configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_INIT(README.txt)
   3 AC_CONFIG_HEADER(include/SDL_config.h)
   4 AC_CONFIG_AUX_DIR(build-scripts)
   5 AC_CONFIG_MACRO_DIR([acinclude])
   6
   7 dnl Save the CFLAGS to see whether they were passed in or generated
   8 orig_CFLAGS="$CFLAGS"
   9
  10 dnl Set various version strings - taken gratefully from the GTk sources
  11 #
  12 # Making releases:
  13 # Edit include/SDL_version.h and change the version, then:
  14 #   SDL_MICRO_VERSION += 1;
  15 #   SDL_INTERFACE_AGE += 1;
  16 #   SDL_BINARY_AGE += 1;
  17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
  18 # if backwards compatibility has been broken,
  19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
  20 #
  21 SDL_MAJOR_VERSION=2
  22 SDL_MINOR_VERSION=0
  23 SDL_MICRO_VERSION=4
  24 SDL_INTERFACE_AGE=0
  25 SDL_BINARY_AGE=4
  26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
  27
  28 AC_SUBST(SDL_MAJOR_VERSION)
  29 AC_SUBST(SDL_MINOR_VERSION)
  30 AC_SUBST(SDL_MICRO_VERSION)
  31 AC_SUBST(SDL_INTERFACE_AGE)
  32 AC_SUBST(SDL_BINARY_AGE)
  33 AC_SUBST(SDL_VERSION)
  34
  35 # libtool versioning
  36 LT_INIT([win32-dll])
  37
  38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
  39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
  40 LT_REVISION=$SDL_INTERFACE_AGE
  41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
  42 m4_pattern_allow([^LT_])
  43
  44 AC_SUBST(LT_RELEASE)
  45 AC_SUBST(LT_CURRENT)
  46 AC_SUBST(LT_REVISION)
  47 AC_SUBST(LT_AGE)
  48
  49 dnl Detect the canonical build and host environments
  50 dnl AC_CANONICAL_HOST
  51
  52 dnl Check for tools
  53 AC_PROG_LIBTOOL
  54 AC_PROG_CC
  55 AC_PROG_CXX
  56 AC_PROG_INSTALL
  57 AC_PROG_MAKE_SET
  58 AC_CHECK_TOOL(WINDRES, [windres], [:])
  59
  60 dnl Make sure that srcdir is a full pathname
  61 case "$host" in
  62     *-*-mingw32*)
  63         # Except on msys, where make can't handle full pathnames (bug 1972)
  64         ;;
  65     *)
  66         srcdir=`cd $srcdir && pwd`
  67         ;;
  68 esac
  69
  70 dnl Set up the compiler and linker flags
  71 INCLUDE="-I$srcdir/include"
  72 if test x$srcdir != x.; then
  73     INCLUDE="-Iinclude $INCLUDE"
  74 elif test -d .hg; then
  75     AC_MSG_ERROR([
  76 *** When building from Mercurial you should configure and build in a
  77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
  78 ])
  79 fi
  80 BASE_CFLAGS=""
  81 BASE_LDFLAGS=""
  82 case "$host" in
  83     *-*-cygwin*)
  84         # We build SDL on cygwin without the UNIX emulation layer
  85         save_CFLAGS="$CFLAGS"
  86         have_no_cygwin=no
  87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
  88         CFLAGS="$save_CFLAGS -mno-cygwin"
  89
  90         AC_TRY_COMPILE([
  91         ],[
  92         ],[
  93         have_no_cygwin=yes
  94         ])
  95         AC_MSG_RESULT($have_no_cygwin)
  96         CFLAGS="$save_CFLAGS"
  97
  98         if test x$have_no_cygwin = xyes; then
  99             BASE_CFLAGS="-mno-cygwin"
 100             BASE_LDFLAGS="-mno-cygwin"
 101         fi
 102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
 103         ;;
 104 esac
 105 # Uncomment the following line if you want to force SDL and applications
 106 # built with it to be compiled for a particular architecture.
 107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
 108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
 109 # The default optimization for SDL is -O3 (Bug #31)
 110 if test "x$orig_CFLAGS" = x; then
 111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
 112 fi
 113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
 114 BUILD_LDFLAGS="$LDFLAGS"
 115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
 116 ## These are common directories to find software packages
 117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
 118 #    if test -d $path/include; then
 119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
 120 #    fi
 121 #    if test -d $path/lib; then
 122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
 123 #    fi
 124 #done
 125 SDL_CFLAGS="$BASE_CFLAGS"
 126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
 127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
 128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
 129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
 130
 131 dnl set this to use on systems that use lib64 instead of lib
 132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
 133
 134 dnl Function to find a library in the compiler search path
 135 find_lib()
 136 {
 137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
 138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
 139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
 140     if test "$cross_compiling" = yes; then
 141         host_lib_path=""
 142     else
 143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
 144     fi
 145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
 146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
 147         if test x$lib != x; then
 148             echo $lib
 149             return
 150         fi
 151     done
 152 }
 153
 154 dnl Check for compiler characteristics
 155 AC_C_CONST
 156 AC_C_INLINE
 157 AC_C_VOLATILE
 158
 159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
 160 AC_ARG_ENABLE(assertions,
 161 AC_HELP_STRING([--enable-assertions],
 162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
 163               , enable_assertions=auto)
 164 case "$enable_assertions" in
 165     auto) # Use optimization settings to determine assertion level
 166         ;;
 167     disabled)
 168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
 169         ;;
 170     release)
 171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
 172         ;;
 173     enabled)
 174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
 175         ;;
 176     paranoid)
 177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
 178         ;;
 179     *)
 180         AC_MSG_ERROR([*** unknown assertion level. stop.])
 181         ;;
 182 esac
 183
 184 dnl See whether we can use gcc style dependency tracking
 185 AC_ARG_ENABLE(dependency-tracking,
 186 AC_HELP_STRING([--enable-dependency-tracking],
 187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
 188               , enable_dependency_tracking=yes)
 189 if test x$enable_dependency_tracking = xyes; then
 190     have_gcc_mmd_mt=no
 191     AC_MSG_CHECKING(for GCC -MMD -MT option)
 192     AC_TRY_COMPILE([
 193     #if !defined(__GNUC__) || __GNUC__ < 3
 194     #error Dependency tracking requires GCC 3.0 or newer
 195     #endif
 196     ],[
 197     ],[
 198     have_gcc_mmd_mt=yes
 199     ])
 200     AC_MSG_RESULT($have_gcc_mmd_mt)
 201
 202     if test x$have_gcc_mmd_mt = xyes; then
 203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
 204     fi
 205 fi
 206
 207 AC_MSG_CHECKING(for linker option --no-undefined)
 208 have_no_undefined=no
 209 case "$host" in
 210     dnl Skip this on platforms where it is just simply busted.
 211     *-*-openbsd*)
 212         ;;
 213
 214     *)
 215         save_LDFLAGS="$LDFLAGS"
 216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
 217         AC_TRY_LINK([
 218         ],[
 219         ],[
 220         have_no_undefined=yes
 221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
 222         ])
 223         LDFLAGS="$save_LDFLAGS"
 224         ;;
 225 esac
 226 AC_MSG_RESULT($have_no_undefined)
 227
 228 dnl See whether we are allowed to use the system C library
 229 AC_ARG_ENABLE(libc,
 230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
 231               , enable_libc=yes)
 232 if test x$enable_libc = xyes; then
 233     AC_DEFINE(HAVE_LIBC, 1, [ ])
 234
 235     dnl Check for C library headers
 236     AC_HEADER_STDC
 237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
 238
 239     dnl Check for typedefs, structures, etc.
 240     AC_TYPE_SIZE_T
 241
 242     dnl Check for defines
 243     AC_CHECK_DEFINE(M_PI, math.h)
 244
 245     dnl Checks for library functions.
 246     case "$host" in
 247     *-*-cygwin* | *-*-mingw32*)
 248         ;;
 249     *)
 250         AC_FUNC_ALLOCA
 251         ;;
 252     esac
 253
 254     AC_FUNC_MEMCMP
 255     if test x$ac_cv_func_memcmp_working = xyes; then
 256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
 257     fi
 258     AC_FUNC_STRTOD
 259     if test x$ac_cv_func_strtod = xyes; then
 260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
 261     fi
 262     AC_CHECK_FUNC(mprotect,
 263         AC_TRY_COMPILE([
 264           #include <sys/types.h>
 265           #include <sys/mman.h>
 266         ],[
 267         ],[
 268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
 269         ]),
 270     )
 271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
 272
 273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
 274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
 275
 276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
 277     AC_CHECK_FUNCS(iconv)
 278
 279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
 280 fi
 281
 282 dnl AC_CHECK_SIZEOF(void*)
 283
 284 dnl See whether we can use gcc atomic operations on this architecture
 285 AC_ARG_ENABLE(gcc-atomics,
 286 AC_HELP_STRING([--enable-gcc-atomics],
 287                [Use gcc builtin atomics [[default=yes]]]),
 288               , enable_gcc_atomics=yes)
 289 if test x$enable_gcc_atomics = xyes; then
 290     have_gcc_atomics=no
 291     AC_MSG_CHECKING(for GCC builtin atomic operations)
 292     AC_TRY_LINK([
 293     ],[
 294     int a;
 295     void *x, *y, *z;
 296     __sync_lock_test_and_set(&a, 4);
 297     __sync_lock_test_and_set(&x, y);
 298     __sync_fetch_and_add(&a, 1);
 299     __sync_bool_compare_and_swap(&a, 5, 10);
 300     __sync_bool_compare_and_swap(&x, y, z);
 301     ],[
 302     have_gcc_atomics=yes
 303     ])
 304     AC_MSG_RESULT($have_gcc_atomics)
 305
 306     if test x$have_gcc_atomics = xyes; then
 307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
 308     else
 309         # See if we have the minimum operation needed for GCC atomics
 310         AC_TRY_LINK([
 311         ],[
 312         int a;
 313         __sync_lock_test_and_set(&a, 1);
 314         __sync_lock_release(&a);
 315         ],[
 316         have_gcc_sync_lock_test_and_set=yes
 317         ])
 318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
 319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
 320         fi
 321     fi
 322 fi
 323
 324 # Standard C sources
 325 SOURCES="$SOURCES $srcdir/src/*.c"
 326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
 327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
 328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
 329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
 330 SOURCES="$SOURCES $srcdir/src/events/*.c"
 331 SOURCES="$SOURCES $srcdir/src/file/*.c"
 332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
 333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
 334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
 335 SOURCES="$SOURCES $srcdir/src/power/*.c"
 336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
 337 SOURCES="$SOURCES $srcdir/src/render/*.c"
 338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
 339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
 340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
 341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
 342 SOURCES="$SOURCES $srcdir/src/video/*.c"
 343
 344 dnl Enable/disable various subsystems of the SDL library
 345
 346 AC_ARG_ENABLE(atomic,
 347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
 348               , enable_atomic=yes)
 349 if test x$enable_atomic != xyes; then
 350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
 351 else
 352     SUMMARY_modules="${SUMMARY_modules} atomic"
 353 fi
 354 AC_ARG_ENABLE(audio,
 355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
 356               , enable_audio=yes)
 357 if test x$enable_audio != xyes; then
 358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
 359 else
 360     SUMMARY_modules="${SUMMARY_modules} audio"
 361 fi
 362 AC_ARG_ENABLE(video,
 363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
 364               , enable_video=yes)
 365 if test x$enable_video != xyes; then
 366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
 367 else
 368     SUMMARY_modules="${SUMMARY_modules} video"
 369 fi
 370 AC_ARG_ENABLE(render,
 371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
 372               , enable_render=yes)
 373 if test x$enable_render != xyes; then
 374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
 375 else
 376     SUMMARY_modules="${SUMMARY_modules} render"
 377 fi
 378 AC_ARG_ENABLE(events,
 379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
 380               , enable_events=yes)
 381 if test x$enable_events != xyes; then
 382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
 383 else
 384     SUMMARY_modules="${SUMMARY_modules} events"
 385 fi
 386 AC_ARG_ENABLE(joystick,
 387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
 388               , enable_joystick=yes)
 389 if test x$enable_joystick != xyes; then
 390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
 391 else
 392     SUMMARY_modules="${SUMMARY_modules} joystick"
 393 fi
 394 AC_ARG_ENABLE(haptic,
 395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
 396               , enable_haptic=yes)
 397 if test x$enable_haptic != xyes; then
 398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
 399 else
 400     SUMMARY_modules="${SUMMARY_modules} haptic"
 401 fi
 402 AC_ARG_ENABLE(power,
 403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
 404               , enable_power=yes)
 405 if test x$enable_power != xyes; then
 406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
 407 else
 408     SUMMARY_modules="${SUMMARY_modules} power"
 409 fi
 410 AC_ARG_ENABLE(filesystem,
 411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
 412               , enable_filesystem=yes)
 413 if test x$enable_filesystem != xyes; then
 414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
 415 else
 416     SUMMARY_modules="${SUMMARY_modules} filesystem"
 417 fi
 418 AC_ARG_ENABLE(threads,
 419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
 420               , enable_threads=yes)
 421 if test x$enable_threads != xyes; then
 422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
 423 else
 424     SUMMARY_modules="${SUMMARY_modules} threads"
 425 fi
 426 AC_ARG_ENABLE(timers,
 427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
 428               , enable_timers=yes)
 429 if test x$enable_timers != xyes; then
 430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
 431 else
 432     SUMMARY_modules="${SUMMARY_modules} timers"
 433 fi
 434 AC_ARG_ENABLE(file,
 435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
 436               , enable_file=yes)
 437 if test x$enable_file != xyes; then
 438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
 439 else
 440     SUMMARY_modules="${SUMMARY_modules} file"
 441 fi
 442 AC_ARG_ENABLE(loadso,
 443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
 444               , enable_loadso=yes)
 445 if test x$enable_loadso != xyes; then
 446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
 447 else
 448     SUMMARY_modules="${SUMMARY_modules} loadso"
 449 fi
 450 AC_ARG_ENABLE(cpuinfo,
 451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
 452               , enable_cpuinfo=yes)
 453 if test x$enable_cpuinfo != xyes; then
 454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
 455 else
 456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
 457 fi
 458 AC_ARG_ENABLE(assembly,
 459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
 460               , enable_assembly=yes)
 461 if test x$enable_assembly = xyes; then
 462     SUMMARY_modules="${SUMMARY_modules} assembly"
 463
 464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
 465
 466     # Make sure that we don't generate floating point code that would
 467     # cause illegal instruction exceptions on older processors
 468     case "$host" in
 469         *-*-darwin*)
 470             # Don't need to worry about Apple hardware, it's all SSE capable
 471             default_ssemath=yes
 472             ;;
 473         *64-*-*)
 474             # x86 64-bit architectures all have SSE instructions
 475             default_ssemath=yes
 476             ;;
 477         *)
 478             default_ssemath=no
 479             ;;
 480     esac
 481     AC_ARG_ENABLE(ssemath,
 482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
 483                   , enable_ssemath=$default_ssemath)
 484     if test x$enable_ssemath = xno; then
 485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
 486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
 487         fi
 488     fi
 489
 490     dnl Check for various instruction support
 491     AC_ARG_ENABLE(mmx,
 492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
 493                   , enable_mmx=yes)
 494     if test x$enable_mmx = xyes; then
 495         save_CFLAGS="$CFLAGS"
 496         have_gcc_mmx=no
 497         AC_MSG_CHECKING(for GCC -mmmx option)
 498         mmx_CFLAGS="-mmmx"
 499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
 500
 501         AC_TRY_COMPILE([
 502         #ifdef __MINGW32__
 503         #include <_mingw.h>
 504         #ifdef __MINGW64_VERSION_MAJOR
 505         #include <intrin.h>
 506         #else
 507         #include <mmintrin.h>
 508         #endif
 509         #else
 510         #include <mmintrin.h>
 511         #endif
 512         #ifndef __MMX__
 513         #error Assembler CPP flag not enabled
 514         #endif
 515         ],[
 516         ],[
 517         have_gcc_mmx=yes
 518         ])
 519         AC_MSG_RESULT($have_gcc_mmx)
 520         CFLAGS="$save_CFLAGS"
 521
 522         if test x$have_gcc_mmx = xyes; then
 523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
 524             SUMMARY_math="${SUMMARY_math} mmx"
 525         fi
 526     fi
 527
 528     AC_ARG_ENABLE(3dnow,
 529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
 530                   , enable_3dnow=yes)
 531     if test x$enable_3dnow = xyes; then
 532         save_CFLAGS="$CFLAGS"
 533         have_gcc_3dnow=no
 534         AC_MSG_CHECKING(for GCC -m3dnow option)
 535         amd3dnow_CFLAGS="-m3dnow"
 536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
 537
 538         AC_TRY_LINK([
 539         #include <mm3dnow.h>
 540         #ifndef __3dNOW__
 541         #error Assembler CPP flag not enabled
 542         #endif
 543         ],[
 544         void *p = 0;
 545         _m_prefetch(p);
 546         ],[
 547         have_gcc_3dnow=yes
 548         ])
 549         AC_MSG_RESULT($have_gcc_3dnow)
 550         CFLAGS="$save_CFLAGS"
 551
 552         if test x$have_gcc_3dnow = xyes; then
 553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
 554             SUMMARY_math="${SUMMARY_math} 3dnow"
 555         fi
 556     fi
 557
 558     AC_ARG_ENABLE(sse,
 559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
 560                   , enable_sse=yes)
 561     if test x$enable_sse = xyes; then
 562         save_CFLAGS="$CFLAGS"
 563         have_gcc_sse=no
 564         AC_MSG_CHECKING(for GCC -msse option)
 565         sse_CFLAGS="-msse"
 566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
 567
 568         AC_TRY_COMPILE([
 569         #ifdef __MINGW32__
 570         #include <_mingw.h>
 571         #ifdef __MINGW64_VERSION_MAJOR
 572         #include <intrin.h>
 573         #else
 574         #include <xmmintrin.h>
 575         #endif
 576         #else
 577         #include <xmmintrin.h>
 578         #endif
 579         #ifndef __SSE__
 580         #error Assembler CPP flag not enabled
 581         #endif
 582         ],[
 583         ],[
 584         have_gcc_sse=yes
 585         ])
 586         AC_MSG_RESULT($have_gcc_sse)
 587         CFLAGS="$save_CFLAGS"
 588
 589         if test x$have_gcc_sse = xyes; then
 590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
 591             SUMMARY_math="${SUMMARY_math} sse"
 592         fi
 593     fi
 594
 595     AC_ARG_ENABLE(sse2,
 596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
 597                   , enable_sse2=$default_ssemath)
 598     if test x$enable_sse2 = xyes; then
 599         save_CFLAGS="$CFLAGS"
 600         have_gcc_sse2=no
 601         AC_MSG_CHECKING(for GCC -msse2 option)
 602         sse2_CFLAGS="-msse2"
 603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
 604
 605         AC_TRY_COMPILE([
 606         #ifdef __MINGW32__
 607         #include <_mingw.h>
 608         #ifdef __MINGW64_VERSION_MAJOR
 609         #include <intrin.h>
 610         #else
 611         #include <emmintrin.h>
 612         #endif
 613         #else
 614         #include <emmintrin.h>
 615         #endif
 616         #ifndef __SSE2__
 617         #error Assembler CPP flag not enabled
 618         #endif
 619         ],[
 620         ],[
 621         have_gcc_sse2=yes
 622         ])
 623         AC_MSG_RESULT($have_gcc_sse2)
 624         CFLAGS="$save_CFLAGS"
 625
 626         if test x$have_gcc_sse2 = xyes; then
 627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
 628             SUMMARY_math="${SUMMARY_math} sse2"
 629         fi
 630     fi
 631
 632     AC_ARG_ENABLE(altivec,
 633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
 634                   , enable_altivec=yes)
 635     if test x$enable_altivec = xyes; then
 636         save_CFLAGS="$CFLAGS"
 637         have_gcc_altivec=no
 638         have_altivec_h_hdr=no
 639         altivec_CFLAGS="-maltivec"
 640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
 641
 642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
 643         AC_TRY_COMPILE([
 644         #include <altivec.h>
 645         vector unsigned int vzero() {
 646             return vec_splat_u32(0);
 647         }
 648         ],[
 649         ],[
 650         have_gcc_altivec=yes
 651         have_altivec_h_hdr=yes
 652         ])
 653         AC_MSG_RESULT($have_gcc_altivec)
 654
 655         if test x$have_gcc_altivec = xno; then
 656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
 657             AC_TRY_COMPILE([
 658             vector unsigned int vzero() {
 659                 return vec_splat_u32(0);
 660             }
 661             ],[
 662             ],[
 663             have_gcc_altivec=yes
 664             ])
 665             AC_MSG_RESULT($have_gcc_altivec)
 666         fi
 667
 668         if test x$have_gcc_altivec = xno; then
 669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
 670             altivec_CFLAGS="-faltivec"
 671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
 672             AC_TRY_COMPILE([
 673             #include <altivec.h>
 674             vector unsigned int vzero() {
 675                 return vec_splat_u32(0);
 676             }
 677             ],[
 678             ],[
 679             have_gcc_altivec=yes
 680             have_altivec_h_hdr=yes
 681             ])
 682             AC_MSG_RESULT($have_gcc_altivec)
 683         fi
 684
 685         if test x$have_gcc_altivec = xno; then
 686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
 687             AC_TRY_COMPILE([
 688             vector unsigned int vzero() {
 689                 return vec_splat_u32(0);
 690             }
 691             ],[
 692             ],[
 693             have_gcc_altivec=yes
 694             ])
 695             AC_MSG_RESULT($have_gcc_altivec)
 696         fi
 697         CFLAGS="$save_CFLAGS"
 698
 699         if test x$have_gcc_altivec = xyes; then
 700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
 701             if test x$have_altivec_h_hdr = xyes; then
 702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
 703             fi
 704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
 705             SUMMARY_math="${SUMMARY_math} altivec"
 706         fi
 707     fi
 708 fi
 709
 710 dnl See if the OSS audio interface is supported
 711 CheckOSS()
 712 {
 713     AC_ARG_ENABLE(oss,
 714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
 715                   , enable_oss=maybe)
 716
 717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
 718     #  use sndio instead. So on there, we default to disabled. You can force
 719     #  it on if you really want, though.
 720     if test x$enable_oss = xmaybe; then
 721         enable_oss=yes
 722         case "$host" in
 723             *-*-openbsd*)
 724                 enable_oss=no;;
 725         esac
 726     fi
 727
 728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
 729         AC_MSG_CHECKING(for OSS audio support)
 730         have_oss=no
 731         if test x$have_oss != xyes; then
 732             AC_TRY_COMPILE([
 733               #include <sys/soundcard.h>
 734             ],[
 735               int arg = SNDCTL_DSP_SETFRAGMENT;
 736             ],[
 737             have_oss=yes
 738             ])
 739         fi
 740         if test x$have_oss != xyes; then
 741             AC_TRY_COMPILE([
 742               #include <soundcard.h>
 743             ],[
 744               int arg = SNDCTL_DSP_SETFRAGMENT;
 745             ],[
 746             have_oss=yes
 747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
 748             ])
 749         fi
 750         AC_MSG_RESULT($have_oss)
 751         if test x$have_oss = xyes; then
 752             SUMMARY_audio="${SUMMARY_audio} oss"
 753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
 754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
 755             have_audio=yes
 756
 757             # We may need to link with ossaudio emulation library
 758             case "$host" in
 759                 *-*-openbsd*|*-*-netbsd*)
 760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
 761             esac
 762         fi
 763     fi
 764 }
 765
 766 dnl See if the ALSA audio interface is supported
 767 CheckALSA()
 768 {
 769     AC_ARG_ENABLE(alsa,
 770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
 771                   , enable_alsa=yes)
 772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
 773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
 774         # Restore all flags from before the ALSA detection runs
 775         CFLAGS="$alsa_save_CFLAGS"
 776         LDFLAGS="$alsa_save_LDFLAGS"
 777         LIBS="$alsa_save_LIBS"
 778         if test x$have_alsa = xyes; then
 779             AC_ARG_ENABLE(alsa-shared,
 780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
 781                           , enable_alsa_shared=yes)
 782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
 783
 784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
 785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
 786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
 787             if test x$have_loadso != xyes && \
 788                test x$enable_alsa_shared = xyes; then
 789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
 790             fi
 791             if test x$have_loadso = xyes && \
 792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
 793                 echo "-- dynamic libasound -> $alsa_lib"
 794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
 795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
 796             else
 797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
 798                 SUMMARY_audio="${SUMMARY_audio} alsa"
 799             fi
 800             have_audio=yes
 801         fi
 802     fi
 803 }
 804
 805 dnl Find the ESD includes and libraries
 806 CheckESD()
 807 {
 808     AC_ARG_ENABLE(esd,
 809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
 810                   , enable_esd=yes)
 811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
 812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
 813         if test x$have_esd = xyes; then
 814             AC_ARG_ENABLE(esd-shared,
 815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
 816                           , enable_esd_shared=yes)
 817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
 818
 819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
 820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
 821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
 822             if test x$have_loadso != xyes && \
 823                test x$enable_esd_shared = xyes; then
 824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
 825             fi
 826             if test x$have_loadso = xyes && \
 827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
 828                 echo "-- dynamic libesd -> $esd_lib"
 829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
 830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
 831             else
 832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
 833                 SUMMARY_audio="${SUMMARY_audio} esd"
 834             fi
 835             have_audio=yes
 836         fi
 837     fi
 838 }
 839
 840 dnl Find PulseAudio
 841 CheckPulseAudio()
 842 {
 843     AC_ARG_ENABLE(pulseaudio,
 844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
 845                   , enable_pulseaudio=yes)
 846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
 847         audio_pulseaudio=no
 848
 849         PULSEAUDIO_REQUIRED_VERSION=0.9
 850
 851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
 853         if test x$PKG_CONFIG != xno; then
 854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
 855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
 856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
 857                 audio_pulseaudio=yes
 858             fi
 859         fi
 860         AC_MSG_RESULT($audio_pulseaudio)
 861
 862         if test x$audio_pulseaudio = xyes; then
 863             AC_ARG_ENABLE(pulseaudio-shared,
 864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
 865                           , enable_pulseaudio_shared=yes)
 866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
 867
 868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
 869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
 870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
 871             if test x$have_loadso != xyes && \
 872                test x$enable_pulseaudio_shared = xyes; then
 873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
 874             fi
 875             if test x$have_loadso = xyes && \
 876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
 877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
 878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
 879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
 880
 881                 case "$host" in
 882                     # On Solaris, pulseaudio must be linked deferred explicitly
 883                     # to prevent undefined symbol failures.
 884                     *-*-solaris*)
 885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
 886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
 887                 esac
 888             else
 889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
 890                 SUMMARY_audio="${SUMMARY_audio} pulse"
 891             fi
 892             have_audio=yes
 893         fi
 894     fi
 895 }
 896
 897 CheckARTSC()
 898 {
 899     AC_ARG_ENABLE(arts,
 900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
 901                   , enable_arts=yes)
 902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
 903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
 904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
 905             : # arts isn't installed
 906         else
 907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
 908             ARTS_LIBS=`$ARTSCONFIG --libs`
 909             AC_MSG_CHECKING(for aRts development environment)
 910             audio_arts=no
 911             save_CFLAGS="$CFLAGS"
 912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
 913             AC_TRY_COMPILE([
 914              #include <artsc.h>
 915             ],[
 916              arts_stream_t stream;
 917             ],[
 918             audio_arts=yes
 919             ])
 920             CFLAGS="$save_CFLAGS"
 921             AC_MSG_RESULT($audio_arts)
 922             if test x$audio_arts = xyes; then
 923                 AC_ARG_ENABLE(arts-shared,
 924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
 925                               , enable_arts_shared=yes)
 926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
 927
 928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
 929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
 930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
 931                 if test x$have_loadso != xyes && \
 932                    test x$enable_arts_shared = xyes; then
 933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
 934                 fi
 935                 if test x$have_loadso = xyes && \
 936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
 937                     echo "-- dynamic libartsc -> $arts_lib"
 938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
 939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
 940                 else
 941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
 942                     SUMMARY_audio="${SUMMARY_audio} arts"
 943                 fi
 944                 have_audio=yes
 945             fi
 946         fi
 947     fi
 948 }
 949
 950 dnl See if the NAS audio interface is supported
 951 CheckNAS()
 952 {
 953     AC_ARG_ENABLE(nas,
 954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
 955                   , enable_nas=yes)
 956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
 957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
 958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
 959
 960         AC_MSG_CHECKING(for NAS audio support)
 961         have_nas=no
 962
 963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
 964             have_nas=yes
 965             NAS_LIBS="-laudio"
 966
 967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
 968             have_nas=yes
 969             NAS_CFLAGS="-I/usr/X11R6/include/"
 970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
 971
 972         fi
 973
 974         AC_MSG_RESULT($have_nas)
 975
 976         if test x$have_nas = xyes; then
 977             AC_ARG_ENABLE(nas-shared,
 978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
 979                           , enable_nas_shared=yes)
 980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
 981
 982             if test x$have_loadso != xyes && \
 983                test x$enable_nas_shared = xyes; then
 984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
 985             fi
 986             if test x$have_loadso = xyes && \
 987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
 988                 echo "-- dynamic libaudio -> $nas_lib"
 989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
 990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
 991             else
 992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
 993                 SUMMARY_audio="${SUMMARY_audio} nas"
 994             fi
 995
 996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
 997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
 998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
 999             have_audio=yes
1000         fi
1001     fi
1002 }
1003
1004 dnl See if the sndio audio interface is supported
1005 CheckSNDIO()
1006 {
1007     AC_ARG_ENABLE(sndio,
1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
1009                   , enable_sndio=yes)
1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
1013
1014         AC_MSG_CHECKING(for sndio audio support)
1015         have_sndio=no
1016
1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
1018             have_sndio=yes
1019             SNDIO_LIBS="-lsndio"
1020         fi
1021
1022         AC_MSG_RESULT($have_sndio)
1023
1024         if test x$have_sndio = xyes; then
1025             AC_ARG_ENABLE(sndio-shared,
1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
1027                           , enable_sndio_shared=yes)
1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1029
1030             if test x$have_loadso != xyes && \
1031                test x$enable_sndio_shared = xyes; then
1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
1033             fi
1034             if test x$have_loadso = xyes && \
1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
1036                 echo "-- dynamic libsndio -> $sndio_lib"
1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
1039             else
1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
1042             fi
1043
1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
1047             have_audio=yes
1048         fi
1049     fi
1050 }
1051
1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
1053 CheckDiskAudio()
1054 {
1055     AC_ARG_ENABLE(diskaudio,
1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
1057                   , enable_diskaudio=yes)
1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
1061         SUMMARY_audio="${SUMMARY_audio} disk"
1062     fi
1063 }
1064
1065 dnl rcg03142006 See if the user wants the dummy audio driver...
1066 CheckDummyAudio()
1067 {
1068     AC_ARG_ENABLE(dummyaudio,
1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
1070                   , enable_dummyaudio=yes)
1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
1074         SUMMARY_audio="${SUMMARY_audio} dummy"
1075     fi
1076 }
1077
1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
1080 CheckVisibilityHidden()
1081 {
1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
1083     have_gcc_fvisibility=no
1084
1085     visibility_CFLAGS="-fvisibility=hidden"
1086     save_CFLAGS="$CFLAGS"
1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
1088     AC_TRY_COMPILE([
1089     #if !defined(__GNUC__) || __GNUC__ < 4
1090     #error SDL only uses visibility attributes in GCC 4 or newer
1091     #endif
1092     ],[
1093     ],[
1094     have_gcc_fvisibility=yes
1095     ])
1096     AC_MSG_RESULT($have_gcc_fvisibility)
1097     CFLAGS="$save_CFLAGS"
1098
1099     if test x$have_gcc_fvisibility = xyes; then
1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
1101     fi
1102 }
1103
1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
1106 CheckStackBoundary()
1107 {
1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
1109     have_gcc_preferred_stack_boundary=no
1110
1111     save_CFLAGS="$CFLAGS"
1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
1113     AC_TRY_COMPILE([
1114     int x = 0;
1115     ],[
1116     ],[
1117     have_gcc_preferred_stack_boundary=yes
1118     ])
1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
1120     CFLAGS="$save_CFLAGS"
1121
1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
1124     fi
1125 }
1126
1127 dnl See if GCC's -Wall is supported.
1128 CheckWarnAll()
1129 {
1130     AC_MSG_CHECKING(for GCC -Wall option)
1131     have_gcc_Wall=no
1132
1133     save_CFLAGS="$CFLAGS"
1134     CFLAGS="$save_CFLAGS -Wall"
1135     AC_TRY_COMPILE([
1136     int x = 0;
1137     ],[
1138     ],[
1139     have_gcc_Wall=yes
1140     ])
1141     AC_MSG_RESULT($have_gcc_Wall)
1142     CFLAGS="$save_CFLAGS"
1143
1144     if test x$have_gcc_Wall = xyes; then
1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1146
1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
1149         need_gcc_Wno_multichar=no
1150         case "$host" in
1151             *-*-haiku*)
1152                 need_gcc_Wno_multichar=yes
1153                 ;;
1154         esac
1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
1156         if test x$need_gcc_Wno_multichar = xyes; then
1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
1158         fi
1159     fi
1160 }
1161
1162 dnl Check for Wayland
1163 CheckWayland()
1164 {
1165     AC_ARG_ENABLE(video-wayland,
1166 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
1167                   ,enable_video_wayland=yes)
1168
1169     AC_ARG_ENABLE(video-wayland-qt-touch,
1170 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
1171                   ,enable_video_wayland_qt_touch=yes)
1172
1173     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
1174         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1175         AC_MSG_CHECKING(for Wayland support)
1176         video_wayland=no
1177         if  test x$PKG_CONFIG != xno && \
1178             test x$video_opengl_egl = xyes && \
1179             test x$video_opengles_v2 = xyes; then
1180             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon xdg-shell-client text-client tizen-extension-client; then
1181                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon xdg-shell-client text-client tizen-extension-client`
1182                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon xdg-shell-client text-client tizen-extension-client`
1183                 video_wayland=yes
1184             fi
1185         fi
1186         AC_MSG_RESULT($video_wayland)
1187
1188         if test x$video_wayland = xyes; then
1189             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
1190             if test x$enable_video_wayland_qt_touch = xyes; then
1191                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
1192             fi
1193             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
1194             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
1195             AC_ARG_ENABLE(wayland-shared,
1196 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
1197                           , enable_wayland_shared=maybe)
1198
1199             dnl FIXME: Do BSD and OS X need special cases?
1200             case "$host" in
1201                 *)
1202                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1203                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1204                     if test x$wayland_egl_lib = x; then
1205                         dnl This works in Ubuntu 13.10, maybe others
1206                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1207                     fi
1208                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1209                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1210                     xdg_shell_client_lib=[`find_lib "libxdg-shell-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1211                     text_client_lib=[`find_lib "libtext-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1212                     tizen_extension_client_lib=[`find_lib "libtizen-extension-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1213                     ;;
1214             esac
1215
1216             if test x$enable_wayland_shared = xmaybe; then
1217                 enable_wayland_shared=yes
1218             fi
1219             if test x$have_loadso != xyes && \
1220                test x$enable_wayland_shared = xyes; then
1221                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
1222                 enable_wayland_shared=no
1223             fi
1224             if test x$have_loadso = xyes && \
1225                test x$enable_wayland_shared = xyes && \
1226                test x$wayland_client_lib != x && \
1227                test x$wayland_egl_lib != x && \
1228                test x$wayland_cursor_lib != x && \
1229                test x$xdg_shell_client_lib != x && \
1230                test x$text_client_lib != x && \
1231                test x$tizen_extension_client_lib != x && \
1232                test x$xkbcommon_lib != x; then
1233                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
1234                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
1235                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
1236                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
1237                 echo "-- dynamic libxdg_shell_client -> $xdg_shell_client_lib"
1238                 echo "-- dynamic libtext_client -> $xtext_client_lib"
1239                 echo "-- dynamic libtizen_extension_client -> $xtizen_extension_client_lib"
1240                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
1241                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
1242                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
1243                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
1244                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XDGSHELLCLIENT, "$xdg_shell_client_lib", [ ])
1245                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_TEXTCLIENT, "$text_client_lib", [ ])
1246                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_TIZENEXTENSIONCLIENT, "$tizen_extension_client_lib", [ ])
1247                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
1248             else
1249                 enable_wayland_shared=no
1250                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
1251                 SUMMARY_video="${SUMMARY_video} wayland"
1252             fi
1253             have_video=yes
1254         fi
1255     fi
1256 }
1257
1258 dnl Check for Tizen
1259 CheckTizen()
1260 {
1261     AC_ARG_ENABLE(video-tizen,
1262                                 AC_HELP_STRING([--enable-video-tizen], [use tizen video driver [[default=yes]]]),
1263                                 ,enable_video_tizen=yes)
1264
1265     if test x$enable_video = xyes -a x$enable_video_tizen = xyes; then
1266         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1267         AC_MSG_CHECKING(for Tizen support)
1268         video_tizen=no
1269         if  test x$PKG_CONFIG != xno && \
1270             test x$video_opengl_egl = xyes && \
1271             test x$video_opengles_v2 = xyes; then
1272             if $PKG_CONFIG --exists wayland-client wayland-egl ecore ecore-wayland xdg-shell-client text-client tizen-extension-client eina elementary capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm ecore-ipc; then
1273                 TIZEN_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl ecore ecore-wayland xdg-shell-client text-client tizen-extension-client eina elementary capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm aul ecore-ipc`
1274                 TIZEN_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl ecore ecore-wayland xdg-shell-client text-client tizen-extension-client eina elementary capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm aul ecore-ipc`
1275                 video_tizen=yes
1276             fi
1277         fi
1278
1279         AC_MSG_RESULT($video_tizen)
1280
1281         if test x$video_tizen = xyes; then
1282             AC_DEFINE(SDL_VIDEO_DRIVER_TIZEN, 1, [ ])
1283             SOURCES="$SOURCES $srcdir/src/video/tizen/*.c"
1284             SOURCES="$SOURCES $srcdir/src/core/tizen/*.c"
1285             SDLMAIN_SOURCES="$srcdir/src/main/tizen/*.c"
1286
1287             SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
1288             SDL_LIBS="-lSDL2main $SDL_LIBS"
1289
1290             EXTRA_CFLAGS="$EXTRA_CFLAGS $TIZEN_CFLAGS -DTIZEN"
1291             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $TIZEN_LIBS"
1292             SUMMARY_video="${SUMMARY_video} tizen"
1293             have_video=yes
1294         fi
1295     fi
1296
1297     if test x$enable_joystick = xyes; then
1298         SUMMARY="${SUMMARY}SDL2 tizen joystick in:\n"
1299         AC_DEFINE(SDL_JOYSTICK_TIZEN, 1, [ ])
1300         SOURCES="$SOURCES $srcdir/src/joystick/tizen/*.c"
1301         have_joystick=yes
1302     fi
1303 }
1304
1305 dnl Check for Mir
1306 CheckMir()
1307 {
1308     AC_ARG_ENABLE(video-mir,
1309 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
1310                   ,enable_video_mir=yes)
1311
1312     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
1313         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1314         AC_MSG_CHECKING(for Mir support)
1315         video_mir=no
1316         if test x$PKG_CONFIG != xno; then
1317             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
1318                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
1319                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
1320                 save_CFLAGS="$CFLAGS"
1321                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
1322
1323                 dnl This will disable Mir on Ubuntu < 14.04
1324                 AC_TRY_COMPILE([
1325                 #include <mir_toolkit/mir_client_library.h>
1326                 ],[
1327                     MirMotionToolType tool = mir_motion_tool_type_mouse;
1328                 ],[
1329                 video_mir=yes
1330                 ])
1331                 CFLAGS="$save_CFLAGS"
1332             fi
1333         fi
1334         AC_MSG_RESULT($video_mir)
1335
1336         if test x$video_mir = xyes; then
1337             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
1338             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
1339             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
1340             AC_ARG_ENABLE(mir-shared,
1341 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
1342                           , enable_mir_shared=maybe)
1343
1344             dnl FIXME: Do BSD and OS X need special cases?
1345             case "$host" in
1346                 *)
1347                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1348                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1349                     ;;
1350             esac
1351
1352             if test x$enable_mir_shared = xmaybe; then
1353                 enable_mir_shared=yes
1354             fi
1355             if test x$have_loadso != xyes && \
1356                test x$enable_mir_shared = xyes; then
1357                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
1358                 enable_mir_shared=no
1359             fi
1360             if test x$have_loadso = xyes && \
1361                test x$enable_mir_shared = xyes && \
1362                test x$mirclient_lib != x && \
1363                test x$xkbcommon_lib != x; then
1364                 echo "-- dynamic libmirclient -> $mirclient_lib"
1365                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
1366                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
1367                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
1368                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
1369             else
1370                 enable_mir_shared=no
1371                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
1372                 SUMMARY_video="${SUMMARY_video} mir"
1373             fi
1374             have_video=yes
1375         fi
1376     fi
1377 }
1378
1379 dnl Check for Native Client stuff
1380 CheckNativeClient()
1381 {
1382         AC_TRY_COMPILE([
1383           #if !defined(__native_client__)
1384           #error "NO NACL"
1385           #endif
1386         ],[
1387         ],[
1388         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
1389         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
1390         AC_DEFINE(HAVE_POW, 1, [ ])
1391         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
1392         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
1393         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
1394
1395         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
1396
1397         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
1398         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
1399         SUMMARY_audio="${SUMMARY_audio} nacl"
1400         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
1401         SUMMARY_video="${SUMMARY_video} nacl opengles2"
1402         ])
1403 }
1404
1405
1406 dnl Find the X11 include and library directories
1407 CheckX11()
1408 {
1409
1410
1411     AC_ARG_ENABLE(video-x11,
1412 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
1413                   , enable_video_x11=yes)
1414     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
1415         case "$host" in
1416             *-*-darwin*)
1417                 # This isn't necessary for X11, but fixes GLX detection
1418                 if test "x$x_includes" = xNONE && \
1419                    test "x$x_libraries" = xNONE && \
1420                    test -d /usr/X11R6/include && \
1421                    test -d /usr/X11R6/lib; then
1422                     x_includes="/usr/X11R6/include"
1423                     x_libraries="/usr/X11R6/lib"
1424                 fi
1425                 ;;
1426         esac
1427         AC_PATH_X
1428         AC_PATH_XTRA
1429         if test x$have_x = xyes; then
1430             AC_ARG_ENABLE(x11-shared,
1431 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
1432                           , enable_x11_shared=maybe)
1433
1434             case "$host" in
1435                 *-*-darwin*)
1436                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
1437                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
1438                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
1439                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
1440                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
1441                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
1442                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
1443                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
1444                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
1445                     ;;
1446                 *-*-openbsd*)
1447                     x11_lib='libX11.so'
1448                     x11ext_lib='libXext.so'
1449                     xcursor_lib='libXcursor.so'
1450                     xinerama_lib='libXinerama.so'
1451                     xinput_lib='libXi.so'
1452                     xrandr_lib='libXrandr.so'
1453                     xrender_lib='libXrender.so'
1454                     xss_lib='libXss.so'
1455                     xvidmode_lib='libXxf86vm.so'
1456                     ;;
1457                 *)
1458                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1459                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1460                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1461                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1462                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1463                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1464                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1465                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1466                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1467                     ;;
1468             esac
1469
1470             if test x$ac_cv_func_shmat != xyes; then
1471                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
1472             fi
1473             CFLAGS="$CFLAGS $X_CFLAGS"
1474             LDFLAGS="$LDFLAGS $X_LIBS"
1475
1476             AC_CHECK_HEADER(X11/extensions/Xext.h,
1477                             have_xext_h_hdr=yes,
1478                             have_xext_h_hdr=no,
1479                             [#include <X11/Xlib.h>
1480                              #include <X11/Xproto.h>
1481                             ])
1482             if test x$have_xext_h_hdr != xyes; then
1483                AC_MSG_ERROR([
1484 *** Missing Xext.h, maybe you need to install the libxext-dev package?
1485                ])
1486             fi
1487
1488             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
1489             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
1490             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
1491
1492             # Needed so SDL applications can include SDL_syswm.h
1493             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
1494
1495             if test x$enable_x11_shared = xmaybe; then
1496                 enable_x11_shared=yes
1497             fi
1498             if test x$have_loadso != xyes && \
1499                test x$enable_x11_shared = xyes; then
1500                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
1501                 enable_x11_shared=no
1502             fi
1503             if test x$have_loadso = xyes && \
1504                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
1505                 echo "-- dynamic libX11 -> $x11_lib"
1506                 echo "-- dynamic libX11ext -> $x11ext_lib"
1507                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
1508                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
1509                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
1510             else
1511                 enable_x11_shared=no
1512                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
1513                 SUMMARY_video="${SUMMARY_video} x11"
1514             fi
1515             have_video=yes
1516
1517             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
1518             have_const_param_XextAddDisplay=no
1519             AC_TRY_COMPILE([
1520               #include <X11/Xlib.h>
1521               #include <X11/Xproto.h>
1522               #include <X11/extensions/Xext.h>
1523               #include <X11/extensions/extutil.h>
1524               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
1525             ],[
1526             ],[
1527             have_const_param_XextAddDisplay=yes
1528             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
1529             ])
1530             AC_MSG_RESULT($have_const_param_XextAddDisplay)
1531
1532             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
1533             AC_MSG_CHECKING([for XGenericEvent])
1534             have_XGenericEvent=no
1535             AC_TRY_COMPILE([
1536                 #include <X11/Xlib.h>
1537             ],[
1538 Display *display;
1539 XEvent event;
1540 XGenericEventCookie *cookie = &event.xcookie;
1541 XNextEvent(display, &event);
1542 XGetEventData(display, cookie);
1543 XFreeEventData(display, cookie);
1544             ],[
1545                 have_XGenericEvent=yes
1546                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
1547             ])
1548             AC_MSG_RESULT($have_XGenericEvent)
1549
1550             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
1551
1552             AC_ARG_ENABLE(video-x11-xcursor,
1553 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
1554                             , enable_video_x11_xcursor=yes)
1555             if test x$enable_video_x11_xcursor = xyes; then
1556                 definitely_enable_video_x11_xcursor=no
1557                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
1558                                 have_xcursor_h_hdr=yes,
1559                                 have_xcursor_h_hdr=no,
1560                                 [#include <X11/Xlib.h>
1561                                 ])
1562                 if test x$have_xcursor_h_hdr = xyes; then
1563                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
1564                         echo "-- dynamic libXcursor -> $xcursor_lib"
1565                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
1566                         definitely_enable_video_x11_xcursor=yes
1567                     else
1568                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
1569                         if test x$have_xcursor_lib = xyes ; then
1570                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
1571                             definitely_enable_video_x11_xcursor=yes
1572                         fi
1573                     fi
1574                 fi
1575             fi
1576             if test x$definitely_enable_video_x11_xcursor = xyes; then
1577                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
1578                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
1579             fi
1580             AC_ARG_ENABLE(video-x11-xdbe,
1581 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
1582                             , enable_video_x11_xdbe=yes)
1583             if test x$enable_video_x11_xdbe = xyes; then
1584                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
1585                                 have_dbe_h_hdr=yes,
1586                                 have_dbe_h_hdr=no,
1587                                 [#include <X11/Xlib.h>
1588                                 ])
1589                 if test x$have_dbe_h_hdr = xyes; then
1590                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
1591                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
1592                 fi
1593             fi
1594             AC_ARG_ENABLE(video-x11-xinerama,
1595 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
1596                             , enable_video_x11_xinerama=yes)
1597             if test x$enable_video_x11_xinerama = xyes; then
1598                 definitely_enable_video_x11_xinerama=no
1599                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
1600                                 have_xinerama_h_hdr=yes,
1601                                 have_xinerama_h_hdr=no,
1602                                 [#include <X11/Xlib.h>
1603                                 ])
1604                 if test x$have_xinerama_h_hdr = xyes; then
1605                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
1606                         echo "-- dynamic libXinerama -> $xinerama_lib"
1607                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
1608                         definitely_enable_video_x11_xinerama=yes
1609                     else
1610                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
1611                         if test x$have_xinerama_lib = xyes ; then
1612                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
1613                             definitely_enable_video_x11_xinerama=yes
1614                         fi
1615                     fi
1616                 fi
1617             fi
1618             if test x$definitely_enable_video_x11_xinerama = xyes; then
1619                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
1620                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
1621             fi
1622             AC_ARG_ENABLE(video-x11-xinput,
1623 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
1624                             , enable_video_x11_xinput=yes)
1625             if test x$enable_video_x11_xinput = xyes; then
1626                 definitely_enable_video_x11_xinput=no
1627                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
1628                                 have_xinput_h_hdr=yes,
1629                                 have_xinput_h_hdr=no,
1630                                 [#include <X11/Xlib.h>
1631                                 ])
1632                 if test x$have_xinput_h_hdr = xyes; then
1633                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
1634                         echo "-- dynamic libXi -> $xinput_lib"
1635                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
1636                         definitely_enable_video_x11_xinput=yes
1637                     else
1638                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
1639                         if test x$have_xinput_lib = xyes ; then
1640                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
1641                             definitely_enable_video_x11_xinput=yes
1642                         fi
1643                     fi
1644                 fi
1645             fi
1646             if test x$definitely_enable_video_x11_xinput = xyes; then
1647                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
1648                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
1649                 AC_MSG_CHECKING(for xinput2 multitouch)
1650                 have_xinput2_multitouch=no
1651                 AC_TRY_COMPILE([
1652                         #include <X11/Xlib.h>
1653                         #include <X11/Xproto.h>
1654                         #include <X11/extensions/XInput2.h>
1655                 ],[
1656 int event_type = XI_TouchBegin;
1657 XITouchClassInfo *t;
1658                 ],[
1659                 have_xinput2_multitouch=yes
1660                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
1661                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
1662                 ])
1663                 AC_MSG_RESULT($have_xinput2_multitouch)
1664             fi
1665             AC_ARG_ENABLE(video-x11-xrandr,
1666 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
1667                             , enable_video_x11_xrandr=yes)
1668             if test x$enable_video_x11_xrandr = xyes; then
1669                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
1670                 definitely_enable_video_x11_xrandr=no
1671                 have_xrandr_h_hdr=no
1672                 AC_TRY_COMPILE([
1673                 #include <X11/Xlib.h>
1674                 #include <X11/extensions/Xrandr.h>
1675                 ],[
1676                 XRRScreenResources *res = NULL;
1677                 ],[
1678                 have_xrandr_h_hdr=yes
1679                 ])
1680                 if test x$have_xrandr_h_hdr = xyes; then
1681                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
1682                         echo "-- dynamic libXrandr -> $xrandr_lib"
1683                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
1684                         definitely_enable_video_x11_xrandr=yes
1685                     else
1686                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
1687                         if test x$have_xrandr_lib = xyes ; then
1688                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
1689                             definitely_enable_video_x11_xrandr=yes
1690                         fi
1691                     fi
1692                 fi
1693             fi
1694             if test x$definitely_enable_video_x11_xrandr = xyes; then
1695                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
1696                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
1697             fi
1698             AC_ARG_ENABLE(video-x11-scrnsaver,
1699 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
1700                             , enable_video_x11_scrnsaver=yes)
1701             if test x$enable_video_x11_scrnsaver = xyes; then
1702                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
1703                                 have_scrnsaver_h_hdr=yes,
1704                                 have_scrnsaver_h_hdr=no,
1705                                 [#include <X11/Xlib.h>
1706                                 ])
1707                 if test x$have_scrnsaver_h_hdr = xyes; then
1708                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
1709                         echo "-- dynamic libXss -> $xss_lib"
1710                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
1711                         definitely_enable_video_x11_scrnsaver=yes
1712                     else
1713                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
1714                         if test x$have_xss_lib = xyes ; then
1715                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
1716                             definitely_enable_video_x11_scrnsaver=yes
1717                         fi
1718                     fi
1719                 fi
1720             fi
1721             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
1722                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
1723                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
1724             fi
1725             AC_ARG_ENABLE(video-x11-xshape,
1726 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
1727                             , enable_video_x11_xshape=yes)
1728             if test x$enable_video_x11_xshape = xyes; then
1729                 AC_CHECK_HEADER(X11/extensions/shape.h,
1730                                 have_shape_h_hdr=yes,
1731                                 have_shape_h_hdr=no,
1732                                 [#include <X11/Xlib.h>
1733                                 ])
1734                 if test x$have_shape_h_hdr = xyes; then
1735                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
1736                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
1737                 fi
1738             fi
1739             AC_ARG_ENABLE(video-x11-vm,
1740 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
1741                             , enable_video_x11_vm=yes)
1742             if test x$enable_video_x11_vm = xyes; then
1743                 definitely_enable_video_x11_vm=no
1744                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
1745                                 have_vm_h_hdr=yes,
1746                                 have_vm_h_hdr=no,
1747                                 [#include <X11/Xlib.h>
1748                                 ])
1749                 if test x$have_vm_h_hdr = xyes; then
1750                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
1751                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
1752                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
1753                         definitely_enable_video_x11_vm=yes
1754                     else
1755                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
1756                         if test x$have_vm_lib = xyes ; then
1757                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
1758                             definitely_enable_video_x11_vm=yes
1759                         fi
1760                     fi
1761                 fi
1762             fi
1763             if test x$definitely_enable_video_x11_vm = xyes; then
1764                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
1765                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
1766             fi
1767         fi
1768     fi
1769 }
1770
1771 dnl Set up the Vivante video driver if enabled
1772 CheckVivanteVideo()
1773 {
1774     AC_ARG_ENABLE(video-vivante,
1775 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
1776                   , enable_video_vivante=yes)
1777     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
1778         AC_MSG_CHECKING(for Vivante VDK API)
1779         have_vivante_vdk=no
1780         AC_TRY_COMPILE([
1781           #define LINUX
1782           #define EGL_API_FB
1783           #include <gc_vdk.h>
1784         ],[
1785         ],[
1786         have_vivante_vdk=yes
1787         ])
1788         AC_MSG_RESULT($have_vivante_vdk)
1789
1790         AC_MSG_CHECKING(for Vivante FB API)
1791         have_vivante_egl=no
1792         AC_TRY_COMPILE([
1793           #define LINUX
1794           #define EGL_API_FB
1795           #include <EGL/eglvivante.h>
1796         ],[
1797         ],[
1798         have_vivante_egl=yes
1799         ])
1800         AC_MSG_RESULT($have_vivante_egl)
1801
1802         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
1803             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
1804             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
1805             if test x$have_vivante_vdk = xyes; then
1806                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
1807                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
1808             fi
1809             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
1810             SUMMARY_video="${SUMMARY_video} vivante"
1811             have_video=yes
1812         fi
1813     fi
1814 }
1815
1816 dnl Set up the Haiku video driver if enabled
1817 CheckHaikuVideo()
1818 {
1819     if test x$enable_video = xyes; then
1820         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
1821         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
1822         have_video=yes
1823         SUMMARY_video="${SUMMARY_video} haiku"
1824     fi
1825 }
1826
1827 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
1828 CheckCOCOA()
1829 {
1830     AC_ARG_ENABLE(video-cocoa,
1831 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
1832                   , enable_video_cocoa=yes)
1833     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
1834         save_CFLAGS="$CFLAGS"
1835         dnl work around that we don't have Objective-C support in autoconf
1836         CFLAGS="$CFLAGS -x objective-c"
1837         AC_MSG_CHECKING(for Cocoa framework)
1838         have_cocoa=no
1839         AC_TRY_COMPILE([
1840           #import <Cocoa/Cocoa.h>
1841         ],[
1842         ],[
1843         have_cocoa=yes
1844         ])
1845         AC_MSG_RESULT($have_cocoa)
1846         CFLAGS="$save_CFLAGS"
1847         if test x$have_cocoa = xyes; then
1848             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
1849             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
1850             SUMMARY_video="${SUMMARY_video} cocoa"
1851             have_video=yes
1852         fi
1853     fi
1854 }
1855
1856 dnl Find DirectFB
1857 CheckDirectFB()
1858 {
1859     AC_ARG_ENABLE(video-directfb,
1860 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
1861                   , enable_video_directfb=no)
1862     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
1863         video_directfb=no
1864
1865         DIRECTFB_REQUIRED_VERSION=1.0.0
1866         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
1867         if test x$DIRECTFBCONFIG = xno; then
1868             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1869             if test x$PKG_CONFIG != xno; then
1870                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
1871                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
1872                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
1873                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
1874                     video_directfb=yes
1875                 fi
1876             fi
1877         else
1878             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
1879             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1880             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
1881             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1882             if test $HAVE_VERSION -ge $NEED_VERSION; then
1883                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
1884                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
1885                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
1886                 video_directfb=yes
1887             fi
1888         fi
1889         if test x$video_directfb = xyes; then
1890             # SuSE 11.1 installs directfb-config without directfb-devel
1891             save_CPPFLAGS="$CPPFLAGS"
1892             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
1893             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
1894             CPPFLAGS="$save_CPPFLAGS"
1895             video_directfb=$have_directfb_hdr
1896         fi
1897         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
1898         AC_MSG_RESULT($video_directfb)
1899
1900         if test x$video_directfb = xyes; then
1901             AC_ARG_ENABLE(directfb-shared,
1902 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
1903                               , enable_directfb_shared=yes)
1904
1905             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
1906             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
1907             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
1908             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
1909
1910             AC_MSG_CHECKING(for directfb dynamic loading support)
1911             directfb_shared=no
1912             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
1913             # | sed 's/.*\/\(.*\)/\1/; q'`]
1914 AC_MSG_WARN("directfb $directfb_lib")
1915             if test x$have_loadso != xyes && \
1916                test x$enable_directfb_shared = xyes; then
1917                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
1918             fi
1919             if test x$have_loadso = xyes && \
1920                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
1921                 directfb_shared=yes
1922                 echo "-- $directfb_lib_spec -> $directfb_lib"
1923                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
1924                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
1925             else
1926                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
1927                 SUMMARY_video="${SUMMARY_video} directfb"
1928             fi
1929             AC_MSG_RESULT($directfb_shared)
1930             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
1931             have_video=yes
1932         fi
1933     fi
1934 }
1935
1936 dnl Find FusionSound
1937 CheckFusionSound()
1938 {
1939     AC_ARG_ENABLE(fusionsound,
1940 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
1941                   , enable_fusionsound=no)
1942     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
1943         fusionsound=no
1944
1945         FUSIONSOUND_REQUIRED_VERSION=1.1.1
1946
1947         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1948         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
1949         if test x$PKG_CONFIG != xno; then
1950             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
1951                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
1952                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
1953                 fusionsound=yes
1954             fi
1955         fi
1956         AC_MSG_RESULT($fusionsound)
1957
1958         if test x$fusionsound = xyes; then
1959             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
1960             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
1961             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
1962
1963             AC_ARG_ENABLE(fusionsound-shared,
1964 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
1965                           , enable_fusionsound_shared=yes)
1966             fusionsound_shared=no
1967             AC_MSG_CHECKING(for FusionSound dynamic loading support)
1968             if test x$have_loadso != xyes && \
1969                test x$enable_fusionsound_shared = xyes; then
1970                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
1971             fi
1972             if test x$have_loadso = xyes && \
1973                test x$enable_fusionsound_shared = xyes; then
1974                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
1975                 fusionsound_shared=yes
1976                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
1977             else
1978                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
1979                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
1980             fi
1981             AC_MSG_RESULT($fusionsound_shared)
1982
1983             have_audio=yes
1984         fi
1985     fi
1986 }
1987
1988 dnl rcg04172001 Set up the Null video driver.
1989 CheckDummyVideo()
1990 {
1991     AC_ARG_ENABLE(video-dummy,
1992 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
1993                   , enable_video_dummy=yes)
1994     if test x$enable_video_dummy = xyes; then
1995         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
1996         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
1997         have_video=yes
1998         SUMMARY_video="${SUMMARY_video} dummy"
1999     fi
2000 }
2001
2002 dnl Check to see if OpenGL support is desired
2003 AC_ARG_ENABLE(video-opengl,
2004 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
2005               , enable_video_opengl=yes)
2006
2007 dnl Find OpenGL
2008 CheckOpenGLX11()
2009 {
2010     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2011         AC_MSG_CHECKING(for OpenGL (GLX) support)
2012         video_opengl=no
2013         AC_TRY_COMPILE([
2014          #include <GL/gl.h>
2015          #include <GL/glx.h>
2016         ],[
2017         ],[
2018         video_opengl=yes
2019         ])
2020         AC_MSG_RESULT($video_opengl)
2021         if test x$video_opengl = xyes; then
2022             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2023             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
2024             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2025             SUMMARY_video="${SUMMARY_video} opengl"
2026         fi
2027     fi
2028 }
2029
2030 dnl Check to see if OpenGL ES support is desired
2031 AC_ARG_ENABLE(video-opengles,
2032 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
2033               , enable_video_opengles=yes)
2034 AC_ARG_ENABLE(video-opengles1,
2035 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
2036               , enable_video_opengles1=yes)
2037 AC_ARG_ENABLE(video-opengles2,
2038 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
2039               , enable_video_opengles2=yes)
2040 AC_ARG_ENABLE(video-vulkan,
2041 AC_HELP_STRING([--enable-video-vulkan], [include Vulkan support [[default=yes]]]),
2042               , enable_video_vulkan=yes)
2043
2044
2045 dnl Find OpenGL ES
2046 CheckOpenGLESX11()
2047 {
2048     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2049         AC_MSG_CHECKING(for EGL support)
2050         video_opengl_egl=no
2051         AC_TRY_COMPILE([
2052           #define LINUX
2053           #define EGL_API_FB
2054           #include <EGL/egl.h>
2055           #include <EGL/eglext.h>
2056         ],[
2057         ],[
2058         video_opengl_egl=yes
2059         ])
2060         AC_MSG_RESULT($video_opengl_egl)
2061         if test x$video_opengl_egl = xyes; then
2062             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2063         fi
2064
2065         if test x$enable_video_opengles1 = xyes; then
2066             AC_MSG_CHECKING(for OpenGL ES v1 headers)
2067             video_opengles_v1=no
2068             AC_TRY_COMPILE([
2069              #include <GLES/gl.h>
2070              #include <GLES/glext.h>
2071             ],[
2072             ],[
2073             video_opengles_v1=yes
2074             ])
2075             AC_MSG_RESULT($video_opengles_v1)
2076             if test x$video_opengles_v1 = xyes; then
2077                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
2078                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
2079                 SUMMARY_video="${SUMMARY_video} opengl_es1"
2080             fi
2081         fi
2082
2083         if test x$enable_video_opengles2 = xyes; then
2084             AC_MSG_CHECKING(for OpenGL ES v2 headers)
2085             video_opengles_v2=no
2086             AC_TRY_COMPILE([
2087              #include <GLES2/gl2.h>
2088              #include <GLES2/gl2ext.h>
2089             ],[
2090             ],[
2091             video_opengles_v2=yes
2092             ])
2093             AC_MSG_RESULT($video_opengles_v2)
2094             if test x$video_opengles_v2 = xyes; then
2095                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2096                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2097                 SUMMARY_video="${SUMMARY_video} opengl_es2"
2098             fi
2099         fi
2100     fi
2101 }
2102
2103 dnl Check for Windows OpenGL
2104 CheckWINDOWSGL()
2105 {
2106     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2107         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2108         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
2109         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2110         SUMMARY_video="${SUMMARY_video} opengl"
2111     fi
2112 }
2113
2114 dnl Check for Windows OpenGL
2115 CheckWINDOWSGLES()
2116 {
2117     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2118
2119         AC_MSG_CHECKING(for EGL support)
2120         video_opengl_egl=no
2121         AC_TRY_COMPILE([
2122          #include <EGL/egl.h>
2123         ],[
2124         ],[
2125         video_opengl_egl=yes
2126         ])
2127         AC_MSG_RESULT($video_opengl_egl)
2128         if test x$video_opengl_egl = xyes; then
2129             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2130             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2131             SUMMARY_video="${SUMMARY_video} opengl_es1"
2132         fi
2133
2134         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2135         video_opengles_v2=no
2136         AC_TRY_COMPILE([
2137          #include <GLES2/gl2.h>
2138          #include <GLES2/gl2ext.h>
2139         ],[
2140         ],[
2141         video_opengles_v2=yes
2142         ])
2143         AC_MSG_RESULT($video_opengles_v2)
2144         if test x$video_opengles_v2 = xyes; then
2145             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2146             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2147             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2148             SUMMARY_video="${SUMMARY_video} opengl_es2"
2149         fi
2150     fi
2151 }
2152
2153 dnl Check for Haiku OpenGL
2154 CheckHaikuGL()
2155 {
2156     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2157         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2158         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
2159         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2160         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
2161         SUMMARY_video="${SUMMARY_video} opengl"
2162     fi
2163 }
2164
2165 dnl Check for MacOS OpenGL
2166 CheckMacGL()
2167 {
2168     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2169         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2170         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
2171         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2172         SUMMARY_video="${SUMMARY_video} opengl"
2173     fi
2174 }
2175
2176 CheckEmscriptenGLES()
2177 {
2178     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2179         AC_MSG_CHECKING(for EGL support)
2180         video_opengl_egl=no
2181         AC_TRY_COMPILE([
2182          #include <EGL/egl.h>
2183         ],[
2184         ],[
2185         video_opengl_egl=yes
2186         ])
2187         AC_MSG_RESULT($video_opengl_egl)
2188         if test x$video_opengl_egl = xyes; then
2189             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2190         fi
2191
2192         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2193         video_opengles_v2=no
2194         AC_TRY_COMPILE([
2195          #include <GLES2/gl2.h>
2196          #include <GLES2/gl2ext.h>
2197         ],[
2198         ],[
2199         video_opengles_v2=yes
2200         ])
2201         AC_MSG_RESULT($video_opengles_v2)
2202         if test x$video_opengles_v2 = xyes; then
2203             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2204             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2205             SUMMARY_video="${SUMMARY_video} opengl_es2"
2206         fi
2207     fi
2208 }
2209
2210 dnl Check for Tizen Vulkan
2211 CheckVulkanTizen()
2212 {
2213     if test x$enable_video = xyes -a x$enable_video_vulkan = xyes; then
2214         AC_MSG_CHECKING(for Vulkan support)
2215         video_vulkan=no
2216         AC_TRY_COMPILE([
2217          #include <vulkan/vulkan.h>
2218         ],[
2219           uint32_t instance_layer_count = 0;
2220           vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL);
2221         ],[
2222         video_vulkan=yes
2223         ])
2224         AC_MSG_RESULT($video_vulkan)
2225         if test x$video_vulkan = xyes; then
2226             AC_DEFINE(SDL_VIDEO_VULKAN, 1, [ ])
2227             SUMMARY_video="${SUMMARY_video} vulkan"
2228         fi
2229     fi
2230 }
2231
2232 dnl See if we can use the new unified event interface in Linux 2.4
2233 CheckInputEvents()
2234 {
2235     dnl Check for Linux 2.4 unified input event interface support
2236         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
2237         use_input_events=no
2238         AC_TRY_COMPILE([
2239           #include <linux/input.h>
2240         ],[
2241           #ifndef EVIOCGNAME
2242           #error EVIOCGNAME() ioctl not available
2243           #endif
2244         ],[
2245         use_input_events=yes
2246         ])
2247         AC_MSG_RESULT($use_input_events)
2248         if test x$use_input_events = xyes; then
2249             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
2250             SUMMARY_input="${SUMMARY_input} linuxev"
2251         fi
2252 }
2253
2254 dnl See if we can use the kernel kd.h header
2255 CheckInputKD()
2256 {
2257
2258     AC_MSG_CHECKING(for Linux kd.h)
2259     use_input_kd=no
2260     AC_TRY_COMPILE([
2261       #include <linux/kd.h>
2262       #include <linux/keyboard.h>
2263     ],[
2264         struct kbentry kbe;
2265         kbe.kb_table = KG_CTRL;
2266         ioctl(0, KDGKBENT, &kbe);
2267     ],[
2268     use_input_kd=yes
2269     ])
2270     AC_MSG_RESULT($use_input_kd)
2271     if test x$use_input_kd = xyes; then
2272         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
2273         SUMMARY_input="${SUMMARY_input} linuxkd"
2274     fi
2275 }
2276
2277 dnl See if the platform offers libudev for device enumeration and hotplugging.
2278 CheckLibUDev()
2279 {
2280     AC_ARG_ENABLE(libudev,
2281 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
2282                         , enable_libudev=yes)
2283     if test x$enable_libudev = xyes; then
2284         AC_CHECK_HEADER(libudev.h,
2285                         have_libudev_h_hdr=yes,
2286                         have_libudev_h_hdr=no)
2287         if test x$have_libudev_h_hdr = xyes; then
2288             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
2289         fi
2290     fi
2291 }
2292
2293 dnl See if the platform offers libdbus for various IPC techniques.
2294 CheckDBus()
2295 {
2296     AC_ARG_ENABLE(dbus,
2297 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
2298                         , enable_dbus=yes)
2299     if test x$enable_dbus = xyes; then
2300         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2301         if test x$PKG_CONFIG != xno; then
2302             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
2303             save_CFLAGS="$CFLAGS"
2304             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
2305             AC_CHECK_HEADER(dbus/dbus.h,
2306                             have_dbus_dbus_h_hdr=yes,
2307                             have_dbus_dbus_h_hdr=no)
2308             CFLAGS="$save_CFLAGS"
2309             if test x$have_dbus_dbus_h_hdr = xyes; then
2310                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
2311                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
2312                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
2313             fi
2314         fi
2315     fi
2316 }
2317
2318 dnl See if the platform has libibus IME support.
2319 CheckIBus()
2320 {
2321     AC_ARG_ENABLE(ibus,
2322 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
2323                   , enable_ibus=yes)
2324     if test x$enable_ibus = xyes; then
2325         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2326         if test x$PKG_CONFIG != xno; then
2327             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
2328             save_CFLAGS="$CFLAGS"
2329             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
2330             AC_CHECK_HEADER(ibus-1.0/ibus.h,
2331                             have_ibus_ibus_h_hdr=yes,
2332                             have_ibus_ibus_h_hdr=no)
2333             AC_CHECK_HEADER(sys/inotify.h,
2334                             have_inotify_inotify_h_hdr=yes,
2335                             have_inotify_inotify_h_hdr=no)
2336             CFLAGS="$save_CFLAGS"
2337             if test x$have_ibus_ibus_h_hdr = xyes; then
2338                 if test x$enable_dbus != xyes; then
2339                     AC_MSG_WARN([DBus support is required for IBus.])
2340                     have_ibus_ibus_h_hdr=no
2341                 elif test x$have_inotify_inotify_h_hdr != xyes; then
2342                     AC_MSG_WARN([INotify support is required for IBus.])
2343                     have_ibus_ibus_h_hdr=no
2344                 else
2345                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
2346                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
2347                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
2348                fi
2349             fi
2350         fi
2351     fi
2352 }
2353
2354 dnl See if we can use the Touchscreen input library
2355 CheckTslib()
2356 {
2357     AC_ARG_ENABLE(input-tslib,
2358 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
2359                   , enable_input_tslib=yes)
2360     if test x$enable_input_tslib = xyes; then
2361         AC_MSG_CHECKING(for Touchscreen library support)
2362         enable_input_tslib=no
2363         AC_TRY_COMPILE([
2364           #include "tslib.h"
2365         ],[
2366         ],[
2367         enable_input_tslib=yes
2368         ])
2369         AC_MSG_RESULT($enable_input_tslib)
2370         if test x$enable_input_tslib = xyes; then
2371             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
2372             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
2373             SUMMARY_input="${SUMMARY_input} ts"
2374         fi
2375     fi
2376 }
2377
2378 dnl See what type of thread model to use on Linux and Solaris
2379 CheckPTHREAD()
2380 {
2381     dnl Check for pthread support
2382     AC_ARG_ENABLE(pthreads,
2383 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
2384                   , enable_pthreads=yes)
2385     dnl This is used on Linux for glibc binary compatibility (Doh!)
2386     AC_ARG_ENABLE(pthread-sem,
2387 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
2388                   , enable_pthread_sem=yes)
2389     case "$host" in
2390          *-*-androideabi*)
2391             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2392             pthread_lib=""
2393             ;;
2394         *-*-linux*|*-*-uclinux*)
2395             pthread_cflags="-D_REENTRANT"
2396             pthread_lib="-lpthread"
2397             ;;
2398         *-*-bsdi*)
2399             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2400             pthread_lib=""
2401             ;;
2402         *-*-darwin*)
2403             pthread_cflags="-D_THREAD_SAFE"
2404 # causes Carbon.p complaints?
2405 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2406             ;;
2407         *-*-freebsd*|*-*-dragonfly*)
2408             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2409             pthread_lib="-pthread"
2410             ;;
2411         *-*-netbsd*)
2412             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2413             pthread_lib="-lpthread"
2414             ;;
2415         *-*-openbsd*)
2416             pthread_cflags="-D_REENTRANT"
2417             pthread_lib="-pthread"
2418             ;;
2419         *-*-solaris2.9)
2420             # From Solaris 9+, posix4's preferred name is rt.
2421             pthread_cflags="-D_REENTRANT"
2422             pthread_lib="-lpthread -lrt"
2423             ;;
2424         *-*-solaris2.10)
2425             # Solaris 10+ merged pthread into libc.
2426             pthread_cflags="-D_REENTRANT"
2427             pthread_lib="-lrt"
2428             ;;
2429         *-*-solaris*)
2430             # Solaris 11+ merged rt into libc.
2431             pthread_cflags="-D_REENTRANT"
2432             pthread_lib=""
2433             ;;
2434         *-*-sysv5*)
2435             pthread_cflags="-D_REENTRANT -Kthread"
2436             pthread_lib=""
2437             ;;
2438         *-*-aix*)
2439             pthread_cflags="-D_REENTRANT -mthreads"
2440             pthread_lib="-lpthread"
2441             ;;
2442         *-*-hpux11*)
2443             pthread_cflags="-D_REENTRANT"
2444             pthread_lib="-L/usr/lib -lpthread"
2445             ;;
2446         *-*-haiku*)
2447             pthread_cflags="-D_REENTRANT"
2448             pthread_lib=""
2449             ;;
2450         *)
2451             pthread_cflags="-D_REENTRANT"
2452             pthread_lib="-lpthread"
2453             ;;
2454     esac
2455     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
2456         # Save the original compiler flags and libraries
2457         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2458         # Add the pthread compiler flags and libraries
2459         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2460         # Check to see if we have pthread support on this system
2461         AC_MSG_CHECKING(for pthreads)
2462         use_pthreads=no
2463         AC_TRY_LINK([
2464          #include <pthread.h>
2465         ],[
2466          pthread_attr_t type;
2467          pthread_attr_init(&type);
2468         ],[
2469         use_pthreads=yes
2470         ])
2471         AC_MSG_RESULT($use_pthreads)
2472         # Restore the compiler flags and libraries
2473         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2474
2475         # Do futher testing if we have pthread support...
2476         if test x$use_pthreads = xyes; then
2477             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
2478             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
2479             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
2480             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
2481
2482             # Save the original compiler flags and libraries
2483             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2484             # Add the pthread compiler flags and libraries
2485             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2486
2487             # Check to see if recursive mutexes are available
2488             AC_MSG_CHECKING(for recursive mutexes)
2489             has_recursive_mutexes=no
2490             if test x$has_recursive_mutexes = xno; then
2491                 AC_TRY_LINK([
2492                   #define _GNU_SOURCE 1
2493                   #include <pthread.h>
2494                 ],[
2495                   pthread_mutexattr_t attr;
2496                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2497                 ],[
2498                 has_recursive_mutexes=yes
2499                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
2500                 ])
2501             fi
2502             if test x$has_recursive_mutexes = xno; then
2503                 AC_TRY_LINK([
2504                   #define _GNU_SOURCE 1
2505                   #include <pthread.h>
2506                 ],[
2507                   pthread_mutexattr_t attr;
2508                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
2509                 ],[
2510                 has_recursive_mutexes=yes
2511                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
2512                 ])
2513             fi
2514             AC_MSG_RESULT($has_recursive_mutexes)
2515
2516             # Check to see if pthread semaphore support is missing
2517             if test x$enable_pthread_sem = xyes; then
2518                 AC_MSG_CHECKING(for pthread semaphores)
2519                 have_pthread_sem=no
2520                 AC_TRY_COMPILE([
2521                   #include <pthread.h>
2522                   #include <semaphore.h>
2523                 ],[
2524                 ],[
2525                 have_pthread_sem=yes
2526                 ])
2527                 AC_MSG_RESULT($have_pthread_sem)
2528             fi
2529             if test x$have_pthread_sem = xyes; then
2530                 AC_MSG_CHECKING(for sem_timedwait)
2531                 have_sem_timedwait=no
2532                 AC_TRY_LINK([
2533                   #include <pthread.h>
2534                   #include <semaphore.h>
2535                 ],[
2536                   sem_timedwait(NULL, NULL);
2537                 ],[
2538                 have_sem_timedwait=yes
2539                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
2540                 ])
2541                 AC_MSG_RESULT($have_sem_timedwait)
2542             fi
2543
2544             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
2545             if test x$have_pthread_np_h = xyes; then
2546                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
2547             fi
2548
2549             # Check to see if pthread naming is available
2550             AC_MSG_CHECKING(for pthread_setname_np)
2551             AC_TRY_LINK_FUNC(pthread_setname_np, [
2552               has_pthread_setname_np=yes
2553               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
2554             ],[
2555               has_pthread_setname_np=no
2556             ])
2557             AC_MSG_RESULT($has_pthread_setname_np)
2558
2559             AC_MSG_CHECKING(for pthread_set_name_np)
2560             AC_TRY_LINK_FUNC(pthread_set_name_np, [
2561               has_pthread_set_name_np=yes
2562               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
2563             ],[
2564               has_pthread_set_name_np=no
2565             ])
2566             AC_MSG_RESULT($has_pthread_set_name_np)
2567
2568             # Restore the compiler flags and libraries
2569             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2570
2571             # Basic thread creation functions
2572             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
2573
2574             # Semaphores
2575             # We can fake these with mutexes and condition variables if necessary
2576             if test x$have_pthread_sem = xyes; then
2577                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
2578             else
2579                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
2580             fi
2581
2582             # Mutexes
2583             # We can fake these with semaphores if necessary
2584             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
2585
2586             # Condition variables
2587             # We can fake these with semaphores and mutexes if necessary
2588             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
2589
2590             # Thread local storage
2591             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
2592
2593             have_threads=yes
2594         fi
2595     fi
2596 }
2597
2598 dnl Determine whether the compiler can produce Windows executables
2599 CheckWINDOWS()
2600 {
2601     AC_MSG_CHECKING(Windows compiler)
2602     have_win32_gcc=no
2603     AC_TRY_COMPILE([
2604      #include <windows.h>
2605     ],[
2606     ],[
2607     have_win32_gcc=yes
2608     ])
2609     AC_MSG_RESULT($have_win32_gcc)
2610     if test x$have_win32_gcc != xyes; then
2611        AC_MSG_ERROR([
2612 *** Your compiler ($CC) does not produce Windows executables!
2613        ])
2614     fi
2615
2616     AC_MSG_CHECKING(Windows CE)
2617     have_wince=no
2618     AC_TRY_COMPILE([
2619 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
2620 #error This is not Windows CE
2621 #endif
2622     ],[
2623     ],[
2624     have_wince=yes
2625        AC_MSG_ERROR([
2626 *** Sorry, Windows CE is no longer supported.
2627        ])
2628     ])
2629     AC_MSG_RESULT($have_wince)
2630
2631     # This fixes Windows stack alignment with newer GCC
2632     CheckStackBoundary
2633 }
2634
2635 dnl Find the DirectX includes and libraries
2636 CheckDIRECTX()
2637 {
2638     AC_ARG_ENABLE(directx,
2639 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
2640                   , enable_directx=yes)
2641     if test x$enable_directx = xyes; then
2642         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
2643         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
2644         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
2645         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
2646         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
2647         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
2648         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
2649         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
2650
2651         if test x$have_ddraw = xyes; then
2652             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
2653         fi
2654         if test x$have_dinput = xyes; then
2655             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
2656         fi
2657         if test x$have_dsound = xyes; then
2658             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
2659         fi
2660         if test x$have_dxgi = xyes; then
2661             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
2662         fi
2663         if test x$have_xinput = xyes; then
2664             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
2665         fi
2666
2667         SUMMARY_video="${SUMMARY_video} directx"
2668         SUMMARY_audio="${SUMMARY_audio} directx"
2669
2670         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
2671         # FIXME:  ...so force it off for now.
2672         case "$host" in
2673             *-*-cygwin*)
2674             have_dinput=false
2675             ;;
2676         esac
2677     fi
2678 }
2679
2680 dnl Check for the dlfcn.h interface for dynamically loading objects
2681 CheckDLOPEN()
2682 {
2683     AC_ARG_ENABLE(sdl-dlopen,
2684 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
2685                   , enable_sdl_dlopen=yes)
2686     if test x$enable_sdl_dlopen = xyes; then
2687         AC_MSG_CHECKING(for dlopen)
2688         have_dlopen=no
2689         AC_TRY_COMPILE([
2690          #include <dlfcn.h>
2691         ],[
2692          void *handle = dlopen("", RTLD_NOW);
2693          const char *loaderror = (char *) dlerror();
2694         ],[
2695         have_dlopen=yes
2696         ])
2697         AC_MSG_RESULT($have_dlopen)
2698
2699         if test x$have_dlopen = xyes; then
2700             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
2701                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
2702                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
2703             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
2704             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
2705             have_loadso=yes
2706         fi
2707     fi
2708 }
2709
2710 dnl Check for the usbhid(3) library on *BSD
2711 CheckUSBHID()
2712 {
2713     case "$host" in
2714         *-*-*bsd*)
2715             if test x$enable_joystick = xyes; then
2716                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
2717                 if test x$have_libusbhid = xyes; then
2718                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
2719                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
2720                     USB_LIBS="$USB_LIBS -lusbhid"
2721                 else
2722                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
2723                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
2724                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
2725                 fi
2726
2727                 save_CFLAGS="$CFLAGS"
2728                 CFLAGS="$CFLAGS $USB_CFLAGS"
2729
2730                 AC_MSG_CHECKING(for usbhid)
2731                 have_usbhid=no
2732                 AC_TRY_COMPILE([
2733                   #include <sys/types.h>
2734                   #if defined(HAVE_USB_H)
2735                   #include <usb.h>
2736                   #endif
2737                   #ifdef __DragonFly__
2738                   # include <bus/usb/usb.h>
2739                   # include <bus/usb/usbhid.h>
2740                   #else
2741                   # include <dev/usb/usb.h>
2742                   # include <dev/usb/usbhid.h>
2743                   #endif
2744                   #if defined(HAVE_USBHID_H)
2745                   #include <usbhid.h>
2746                   #elif defined(HAVE_LIBUSB_H)
2747                   #include <libusb.h>
2748                   #elif defined(HAVE_LIBUSBHID_H)
2749                   #include <libusbhid.h>
2750                   #endif
2751                 ],[
2752                   struct report_desc *repdesc;
2753                   struct usb_ctl_report *repbuf;
2754                   hid_kind_t hidkind;
2755                 ],[
2756                 have_usbhid=yes
2757                 ])
2758                 AC_MSG_RESULT($have_usbhid)
2759
2760                 if test x$have_usbhid = xyes; then
2761                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
2762                     have_usbhid_ucr_data=no
2763                     AC_TRY_COMPILE([
2764                       #include <sys/types.h>
2765                       #if defined(HAVE_USB_H)
2766                       #include <usb.h>
2767                       #endif
2768                       #ifdef __DragonFly__
2769                       # include <bus/usb/usb.h>
2770                       # include <bus/usb/usbhid.h>
2771                       #else
2772                       # include <dev/usb/usb.h>
2773                       # include <dev/usb/usbhid.h>
2774                       #endif
2775                       #if defined(HAVE_USBHID_H)
2776                       #include <usbhid.h>
2777                       #elif defined(HAVE_LIBUSB_H)
2778                       #include <libusb.h>
2779                       #elif defined(HAVE_LIBUSBHID_H)
2780                       #include <libusbhid.h>
2781                       #endif
2782                     ],[
2783                       struct usb_ctl_report buf;
2784                       if (buf.ucr_data) { }
2785                     ],[
2786                     have_usbhid_ucr_data=yes
2787                     ])
2788                     if test x$have_usbhid_ucr_data = xyes; then
2789                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
2790                     fi
2791                     AC_MSG_RESULT($have_usbhid_ucr_data)
2792
2793                     AC_MSG_CHECKING(for new usbhid API)
2794                     have_usbhid_new=no
2795                     AC_TRY_COMPILE([
2796                       #include <sys/types.h>
2797                       #if defined(HAVE_USB_H)
2798                       #include <usb.h>
2799                       #endif
2800                       #ifdef __DragonFly__
2801                       #include <bus/usb/usb.h>
2802                       #include <bus/usb/usbhid.h>
2803                       #else
2804                       #include <dev/usb/usb.h>
2805                       #include <dev/usb/usbhid.h>
2806                       #endif
2807                       #if defined(HAVE_USBHID_H)
2808                       #include <usbhid.h>
2809                       #elif defined(HAVE_LIBUSB_H)
2810                       #include <libusb.h>
2811                       #elif defined(HAVE_LIBUSBHID_H)
2812                       #include <libusbhid.h>
2813                       #endif
2814                     ],[
2815                       report_desc_t d;
2816                       hid_start_parse(d, 1, 1);
2817                     ],[
2818                     have_usbhid_new=yes
2819                     ])
2820                     if test x$have_usbhid_new = xyes; then
2821                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
2822                     fi
2823                     AC_MSG_RESULT($have_usbhid_new)
2824
2825                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
2826                     have_machine_joystick=no
2827                     AC_TRY_COMPILE([
2828                       #include <machine/joystick.h>
2829                     ],[
2830                       struct joystick t;
2831                     ],[
2832                     have_machine_joystick=yes
2833                     ])
2834                     if test x$have_machine_joystick = xyes; then
2835                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
2836                     fi
2837                     AC_MSG_RESULT($have_machine_joystick)
2838
2839                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
2840                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
2841                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
2842                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
2843                     have_joystick=yes
2844                 fi
2845                 CFLAGS="$save_CFLAGS"
2846             fi
2847         ;;
2848     esac
2849 }
2850
2851 dnl Check for clock_gettime()
2852 CheckClockGettime()
2853 {
2854     AC_ARG_ENABLE(clock_gettime,
2855 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
2856                   , enable_clock_gettime=yes)
2857     if test x$enable_clock_gettime = xyes; then
2858         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
2859         if test x$have_clock_gettime = xyes; then
2860             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2861             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
2862         else
2863             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
2864             if test x$have_clock_gettime = xyes; then
2865                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2866                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
2867             fi
2868         fi
2869     fi
2870 }
2871
2872 dnl Check for a valid linux/version.h
2873 CheckLinuxVersion()
2874 {
2875     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
2876     if test x$have_linux_version_h = xyes; then
2877         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
2878     fi
2879 }
2880
2881 dnl Check if we want to use RPATH
2882 CheckRPATH()
2883 {
2884     AC_ARG_ENABLE(rpath,
2885 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
2886                   , enable_rpath=yes)
2887 }
2888
2889 dnl Set up the configuration based on the host platform!
2890 case "$host" in
2891     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
2892         case "$host" in
2893             *-raspberry-linux*)
2894                 # Raspberry Pi
2895                 ARCH=linux
2896                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
2897                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2898                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2899                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2900                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
2901
2902                 if test x$enable_video = xyes; then
2903                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2904                     # FIXME: confdefs? Not AC_DEFINE?
2905                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2906                     SUMMARY_video="${SUMMARY_video} rpi"
2907                 fi
2908                 ;;
2909             *-*-androideabi*)
2910                 # Android
2911                 ARCH=android
2912                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
2913                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
2914                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
2915                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
2916                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
2917
2918                 if test x$enable_video = xyes; then
2919                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
2920                     # FIXME: confdefs? Not AC_DEFINE?
2921                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
2922                     SUMMARY_video="${SUMMARY_video} android"
2923                 fi
2924                 ;;
2925             *-*-linux*)         ARCH=linux ;;
2926             *-*-uclinux*)       ARCH=linux ;;
2927             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
2928             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
2929             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
2930             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
2931             *-*-bsdi*)          ARCH=bsdi ;;
2932             *-*-freebsd*)       ARCH=freebsd ;;
2933             *-*-dragonfly*)     ARCH=freebsd ;;
2934             *-raspberry-netbsd*)
2935                 # Raspberry Pi
2936                 ARCH=netbsd
2937                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
2938                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2939                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2940                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2941                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
2942
2943                 if test x$enable_video = xyes; then
2944                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2945                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2946                     SUMMARY_video="${SUMMARY_video} raspberry"
2947                 fi
2948                 ;;
2949             *-*-netbsd*)        ARCH=netbsd ;;
2950             *-*-openbsd*)       ARCH=openbsd ;;
2951             *-*-sysv5*)         ARCH=sysv5 ;;
2952             *-*-solaris*)       ARCH=solaris ;;
2953             *-*-hpux*)          ARCH=hpux ;;
2954             *-*-aix*)           ARCH=aix ;;
2955             *-*-minix*)         ARCH=minix ;;
2956         esac
2957         CheckVisibilityHidden
2958         CheckDummyVideo
2959         CheckDiskAudio
2960         CheckDummyAudio
2961         CheckDLOPEN
2962         CheckOSS
2963         CheckALSA
2964         CheckPulseAudio
2965         CheckARTSC
2966         CheckESD
2967         CheckNAS
2968         CheckSNDIO
2969         CheckX11
2970         CheckDirectFB
2971         CheckFusionSound
2972         CheckOpenGLX11
2973         CheckOpenGLESX11
2974         CheckVulkanTizen
2975         CheckMir
2976         CheckWayland
2977         CheckTizen
2978         CheckLibUDev
2979         CheckDBus
2980         CheckIBus
2981         case $ARCH in
2982           linux)
2983               CheckInputEvents
2984               CheckInputKD
2985           ;;
2986         esac
2987         CheckTslib
2988         CheckUSBHID
2989         CheckPTHREAD
2990         CheckClockGettime
2991         CheckLinuxVersion
2992         CheckRPATH
2993         CheckVivanteVideo
2994         # Set up files for the audio library
2995         if test x$enable_audio = xyes; then
2996           case $ARCH in
2997             sysv5|solaris|hpux)
2998                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
2999                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
3000                 have_audio=yes
3001             ;;
3002             netbsd)  # Don't use this on OpenBSD, it's busted.
3003                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
3004                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
3005                 have_audio=yes
3006             ;;
3007             aix)
3008                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
3009                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
3010                 have_audio=yes
3011             ;;
3012             android)
3013                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
3014                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
3015                 SUMMARY_audio="${SUMMARY_audio} android"
3016                 have_audio=yes
3017             ;;
3018           esac
3019         fi
3020         # Set up files for the joystick library
3021         if test x$have_joystick != xyes; then
3022             if test x$enable_joystick = xyes; then
3023               case $ARCH in
3024                 linux)
3025                     AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
3026                     SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
3027                     have_joystick=yes
3028                 ;;
3029                 android)
3030                     AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
3031                     SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
3032                     have_joystick=yes
3033                 ;;
3034               esac
3035             fi
3036         fi
3037         # Set up files for the haptic library
3038         if test x$enable_haptic = xyes; then
3039            if test x$use_input_events = xyes; then
3040              case $ARCH in
3041                linux)
3042                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
3043                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
3044                    have_haptic=yes
3045                ;;
3046              esac
3047            fi
3048         fi
3049         # Set up files for the power library
3050         if test x$enable_power = xyes; then
3051              case $ARCH in
3052                linux)
3053                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
3054                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
3055                    have_power=yes
3056                ;;
3057                android)
3058                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
3059                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
3060                    have_power=yes
3061                ;;
3062              esac
3063         fi
3064         # Set up files for the filesystem library
3065         if test x$enable_filesystem = xyes; then
3066              case $ARCH in
3067                android)
3068                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
3069                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
3070                    have_filesystem=yes
3071                ;;
3072                *)
3073                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
3074                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
3075                    have_filesystem=yes
3076                ;;
3077              esac
3078         fi
3079         # Set up files for the timer library
3080         if test x$enable_timers = xyes; then
3081             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3082             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3083             have_timers=yes
3084         fi
3085         # Set up files for udev hotplugging support
3086         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
3087             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"
3088         fi
3089         # Set up files for evdev input
3090         if test x$use_input_events = xyes; then
3091             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
3092         fi
3093         ;;
3094     *-*-cygwin* | *-*-mingw32*)
3095         ARCH=win32
3096         if test "$build" != "$host"; then # cross-compiling
3097             # Default cross-compile location
3098             ac_default_prefix=/usr/local/cross-tools/$host
3099         else
3100             # Look for the location of the tools and install there
3101             if test "$BUILD_PREFIX" != ""; then
3102                 ac_default_prefix=$BUILD_PREFIX
3103             fi
3104         fi
3105         CheckDummyVideo
3106         CheckDiskAudio
3107         CheckDummyAudio
3108         CheckWINDOWS
3109         CheckWINDOWSGL
3110         CheckWINDOWSGLES
3111         CheckDIRECTX
3112
3113         # Set up the core platform files
3114         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
3115
3116         # Set up files for the video library
3117         if test x$enable_video = xyes; then
3118             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
3119             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
3120             have_video=yes
3121             AC_ARG_ENABLE(render-d3d,
3122 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
3123                                 , enable_render_d3d=yes)
3124             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
3125                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
3126             fi
3127             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
3128                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
3129             fi
3130         fi
3131         # Set up files for the audio library
3132         if test x$enable_audio = xyes; then
3133             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
3134             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
3135             if test x$have_dsound = xyes; then
3136                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
3137                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
3138             fi
3139             if test x$have_xaudio2 = xyes; then
3140                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
3141                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
3142             fi
3143             have_audio=yes
3144         fi
3145         # Set up files for the joystick library
3146         if test x$enable_joystick = xyes; then
3147             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3148                 if test x$have_xinput = xyes; then
3149                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
3150                 fi
3151                 if test x$have_dinput = xyes; then
3152                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
3153                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
3154                 fi
3155             else
3156                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
3157             fi
3158             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
3159             have_joystick=yes
3160         fi
3161         if test x$enable_haptic = xyes; then
3162             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3163                 if test x$have_xinput = xyes; then
3164                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
3165                 fi
3166                 if test x$have_dinput = xyes; then
3167                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
3168                 fi
3169                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
3170                 have_haptic=yes
3171             fi
3172         fi
3173         if test x$enable_power = xyes; then
3174             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
3175             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
3176             have_power=yes
3177         fi
3178         if test x$enable_filesystem = xyes; then
3179             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
3180             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
3181             have_filesystem=yes
3182         fi
3183         # Set up files for the thread library
3184         if test x$enable_threads = xyes; then
3185             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
3186             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
3187             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
3188             have_threads=yes
3189         fi
3190         # Set up files for the timer library
3191         if test x$enable_timers = xyes; then
3192             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
3193             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
3194             have_timers=yes
3195         fi
3196         # Set up files for the shared object loading library
3197         if test x$enable_loadso = xyes; then
3198             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
3199             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
3200             have_loadso=yes
3201         fi
3202         # Set up the system libraries we need
3203         if test -f /lib/w32api/libuuid.a; then
3204             LIBUUID=/lib/w32api/libuuid.a
3205         else
3206             LIBUUID=-luuid
3207         fi
3208         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
3209         # The Windows platform requires special setup
3210         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
3211         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
3212         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
3213         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
3214
3215         # Check to see if this is a mingw or cygwin build
3216         have_mingw32=
3217         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
3218         if test x$have_mingw32 = xyes; then
3219             SDL_LIBS="-lmingw32 $SDL_LIBS"
3220         else
3221             SDL_LIBS="-lcygwin $SDL_LIBS"
3222         fi
3223         ;;
3224
3225     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
3226     *-*-beos*)
3227         AC_MSG_ERROR([
3228 *** BeOS support has been removed as of SDL 2.0.2.
3229         ])
3230         ;;
3231
3232     *-*-haiku*)
3233         ARCH=haiku
3234         ac_default_prefix=/boot/system
3235         CheckDummyVideo
3236         CheckDiskAudio
3237         CheckDummyAudio
3238         CheckHaikuVideo
3239         CheckHaikuGL
3240         CheckPTHREAD
3241
3242         # Set up files for the audio library
3243         if test x$enable_audio = xyes; then
3244             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
3245             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
3246             have_audio=yes
3247         fi
3248         # Set up files for the joystick library
3249         if test x$enable_joystick = xyes; then
3250             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
3251             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
3252             have_joystick=yes
3253         fi
3254         # Set up files for the timer library
3255         if test x$enable_timers = xyes; then
3256             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
3257             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
3258             have_timers=yes
3259         fi
3260         # Set up files for the shared object loading library
3261         if test x$enable_loadso = xyes; then
3262             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
3263             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
3264             have_loadso=yes
3265         fi
3266         # Set up files for the system power library
3267         if test x$enable_power = xyes; then
3268             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
3269             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
3270             have_power=yes
3271         fi
3272         # Set up files for the system filesystem library
3273         if test x$enable_filesystem = xyes; then
3274             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
3275             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
3276             have_filesystem=yes
3277         fi
3278         # The Haiku platform requires special setup.
3279         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
3280         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
3281         ;;
3282     arm*-apple-darwin*)
3283         # iOS - We are not writing anything to confdefs.h because you have to replace
3284         # SDL_config.h for SDL_config_iphoneos.h anyway
3285         ARCH=ios
3286
3287         CheckVisibilityHidden
3288         CheckDummyVideo
3289         CheckDiskAudio
3290         CheckDummyAudio
3291         CheckDLOPEN
3292         CheckCOCOA
3293         CheckPTHREAD
3294
3295
3296         # Set up files for the audio library
3297         if test x$enable_audio = xyes; then
3298             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3299             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3300             have_audio=yes
3301         fi
3302         # Set up files for the joystick library
3303         if test x$enable_joystick = xyes; then
3304             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
3305             have_joystick=yes
3306         fi
3307         # Set up files for the haptic library
3308         #if test x$enable_haptic = xyes; then
3309         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3310         #    have_haptic=yes
3311         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3312         #fi
3313         # Set up files for the power library
3314         if test x$enable_power = xyes; then
3315             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
3316             have_power=yes
3317         fi
3318         # Set up files for the filesystem library
3319         if test x$enable_filesystem = xyes; then
3320             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3321             have_filesystem=yes
3322         fi
3323         # Set up files for the timer library
3324         if test x$enable_timers = xyes; then
3325             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3326             have_timers=yes
3327         fi
3328         # Set up additional files for the file library
3329         if test x$enable_file = xyes; then
3330             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3331         fi
3332         # The iOS platform requires special setup.
3333         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
3334         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3335         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
3336         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
3337         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
3338         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
3339         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
3340         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
3341         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
3342         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
3343         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
3344         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
3345         ;;
3346     *-*-darwin* )
3347         # This could be either full "Mac OS X", or plain "Darwin" which is
3348         # just the OS X kernel sans upper layers like Carbon and Cocoa.
3349         # Next line is broken, and a few files below require Mac OS X (full)
3350         ARCH=macosx
3351
3352         # Mac OS X builds with both the Carbon and OSX APIs at the moment
3353         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
3354         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
3355
3356         CheckVisibilityHidden
3357         CheckDummyVideo
3358         CheckDiskAudio
3359         CheckDummyAudio
3360         CheckDLOPEN
3361         CheckCOCOA
3362         CheckX11
3363         CheckMacGL
3364         CheckOpenGLX11
3365         CheckPTHREAD
3366
3367         # Set up files for the audio library
3368         if test x$enable_audio = xyes; then
3369             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
3370             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3371             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3372             have_audio=yes
3373         fi
3374         # Set up files for the joystick library
3375         if test x$enable_joystick = xyes; then
3376             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
3377             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
3378             have_joystick=yes
3379         fi
3380         # Set up files for the haptic library
3381         if test x$enable_haptic = xyes; then
3382             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
3383             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3384             have_haptic=yes
3385             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3386         fi
3387         # Set up files for the power library
3388         if test x$enable_power = xyes; then
3389             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
3390             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
3391             have_power=yes
3392         fi
3393         # Set up files for the filesystem library
3394         if test x$enable_filesystem = xyes; then
3395             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
3396             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3397             have_filesystem=yes
3398         fi
3399         # Set up files for the timer library
3400         if test x$enable_timers = xyes; then
3401             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3402             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3403             have_timers=yes
3404         fi
3405         # Set up additional files for the file library
3406         if test x$enable_file = xyes; then
3407             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3408         fi
3409         # The Mac OS X platform requires special setup.
3410         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3411         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
3412         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
3413         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
3414         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
3415         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
3416         # If audio is used, add the AudioUnit framework
3417         if test x$enable_audio = xyes; then
3418             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
3419         fi
3420         ;;
3421     *-nacl|*-pnacl)
3422         ARCH=nacl
3423         CheckNativeClient
3424         CheckDummyAudio
3425         CheckDummyVideo
3426         CheckInputEvents
3427         CheckPTHREAD
3428
3429         # Set up files for the timer library
3430         if test x$enable_timers = xyes; then
3431             AC_DEFINE(SDL_TIMER_UNIX)
3432             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3433             have_timers=yes
3434         fi
3435
3436         if test x$enable_filesystem = xyes; then
3437             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
3438             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
3439             have_filesystem=yes
3440         fi
3441         ;;
3442     *-*-emscripten* )
3443         if test x$enable_video = xyes; then
3444             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
3445             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
3446             have_video=yes
3447             SUMMARY_video="${SUMMARY_video} emscripten"
3448         fi
3449
3450         if test x$enable_audio = xyes; then
3451             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
3452             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
3453             have_audio=yes
3454             SUMMARY_audio="${SUMMARY_audio} emscripten"
3455         fi
3456
3457         CheckVisibilityHidden
3458         CheckDummyVideo
3459         CheckDiskAudio
3460         CheckDummyAudio
3461         CheckDLOPEN
3462         CheckClockGettime
3463         CheckEmscriptenGLES
3464
3465          # Set up files for the power library
3466         if test x$enable_power = xyes; then
3467             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
3468             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
3469             have_power=yes
3470         fi
3471
3472         # Set up files for the power library
3473         if test x$enable_joystick = xyes; then
3474             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
3475             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
3476             have_joystick=yes
3477         fi
3478
3479         # Set up files for the filesystem library
3480         if test x$enable_filesystem = xyes; then
3481             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
3482             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
3483             have_filesystem=yes
3484         fi
3485         # Set up files for the timer library
3486         if test x$enable_timers = xyes; then
3487             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3488             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3489             have_timers=yes
3490         fi
3491         ;;
3492     *)
3493         AC_MSG_ERROR([
3494 *** Unsupported host:  Please add to configure.in
3495         ])
3496         ;;
3497 esac
3498
3499 dnl Do this on all platforms, after everything else.
3500 CheckWarnAll
3501
3502 # Verify that we have all the platform specific files we need
3503
3504 if test x$have_joystick != xyes; then
3505     if test x$enable_joystick = xyes; then
3506         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
3507     fi
3508     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
3509 fi
3510 if test x$have_haptic != xyes; then
3511     if test x$enable_haptic = xyes; then
3512         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
3513     fi
3514     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
3515 fi
3516 if test x$have_threads != xyes; then
3517     if test x$enable_threads = xyes; then
3518         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
3519     fi
3520     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
3521 fi
3522 if test x$have_timers != xyes; then
3523     if test x$enable_timers = xyes; then
3524         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
3525     fi
3526     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
3527 fi
3528 if test x$have_filesystem != xyes; then
3529     if test x$enable_filesystem = xyes; then
3530         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
3531     fi
3532     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
3533 fi
3534 if test x$have_loadso != xyes; then
3535     if test x$enable_loadso = xyes; then
3536         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
3537     fi
3538     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
3539 fi
3540 if test x$SDLMAIN_SOURCES = x; then
3541     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
3542 fi
3543 SDLTEST_SOURCES="$srcdir/src/test/*.c"
3544
3545 OBJECTS=`echo $SOURCES`
3546 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
3547 for EXT in asm cc m c S; do
3548     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
3549     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
3550 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
3551         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3552 done
3553
3554 VERSION_OBJECTS=`echo $VERSION_SOURCES`
3555 VERSION_DEPENDS=`echo $VERSION_SOURCES`
3556 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
3557 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
3558 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
3559         \\$(WINDRES) \\$< \\$@,g"`
3560
3561 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
3562 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
3563 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3564 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3565 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3566         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3567
3568 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
3569 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
3570 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3571 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3572 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3573         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3574
3575 # Set runtime shared library paths as needed
3576
3577 if test "x$enable_rpath" = "xyes"; then
3578   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
3579     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
3580   fi
3581   if test $ARCH = solaris; then
3582     SDL_RLD_FLAGS="-R\${libdir}"
3583   fi
3584 else
3585   SDL_RLD_FLAGS=""
3586 fi
3587
3588 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
3589
3590 dnl Expand the cflags and libraries needed by apps using SDL
3591 AC_SUBST(SDL_CFLAGS)
3592 AC_SUBST(SDL_LIBS)
3593 AC_SUBST(SDL_STATIC_LIBS)
3594 AC_SUBST(SDL_RLD_FLAGS)
3595 if test x$enable_shared = xyes; then
3596     ENABLE_SHARED_TRUE=
3597     ENABLE_SHARED_FALSE="#"
3598 else
3599     ENABLE_SHARED_TRUE="#"
3600     ENABLE_SHARED_FALSE=
3601 fi
3602 if test x$enable_static = xyes; then
3603     ENABLE_STATIC_TRUE=
3604     ENABLE_STATIC_FALSE="#"
3605 else
3606     ENABLE_STATIC_TRUE="#"
3607     ENABLE_STATIC_FALSE=
3608 fi
3609 AC_SUBST(ENABLE_SHARED_TRUE)
3610 AC_SUBST(ENABLE_SHARED_FALSE)
3611 AC_SUBST(ENABLE_STATIC_TRUE)
3612 AC_SUBST(ENABLE_STATIC_FALSE)
3613
3614 dnl Expand the sources and objects needed to build the library
3615 AC_SUBST(ac_aux_dir)
3616 AC_SUBST(INCLUDE)
3617 AC_SUBST(OBJECTS)
3618 AC_SUBST(VERSION_OBJECTS)
3619 AC_SUBST(SDLMAIN_OBJECTS)
3620 AC_SUBST(SDLTEST_OBJECTS)
3621 AC_SUBST(BUILD_CFLAGS)
3622 AC_SUBST(EXTRA_CFLAGS)
3623 AC_SUBST(BUILD_LDFLAGS)
3624 AC_SUBST(EXTRA_LDFLAGS)
3625 AC_SUBST(WINDRES)
3626
3627 cat >Makefile.rules <<__EOF__
3628
3629 # Build rules for objects
3630 -include \$(OBJECTS:.lo=.d)
3631
3632 # Special dependency for SDL.c, since it depends on SDL_revision.h
3633 $srcdir/src/SDL.c: update-revision
3634 $DEPENDS
3635 $VERSION_DEPENDS
3636 $SDLMAIN_DEPENDS
3637 $SDLTEST_DEPENDS
3638 __EOF__
3639
3640 AC_CONFIG_FILES([
3641     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
3642 ])
3643 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
3644
3645 SUMMARY="${SUMMARY}SDL2 Configure Summary:\n"
3646 if test x$enable_shared = xyes; then
3647     SUMMARY="${SUMMARY}Building Shared Libraries\n"
3648 fi
3649 if test x$enable_static = xyes; then
3650     SUMMARY="${SUMMARY}Building Static Libraries\n"
3651 fi
3652 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
3653 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"
3654 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
3655 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
3656 if test x$have_x = xyes; then
3657     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
3658 fi
3659 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
3660 if test x$enable_libudev = xyes; then
3661     SUMMARY="${SUMMARY}Using libudev   : YES\n"
3662 else
3663     SUMMARY="${SUMMARY}Using libudev   : NO\n"
3664 fi
3665 if test x$have_dbus_dbus_h_hdr = xyes; then
3666     SUMMARY="${SUMMARY}Using dbus      : YES\n"
3667 else
3668     SUMMARY="${SUMMARY}Using dbus      : NO\n"
3669 fi
3670 if test x$have_ibus_ibus_h_hdr = xyes; then
3671     SUMMARY="${SUMMARY}Using ibus      : YES\n"
3672 else
3673     SUMMARY="${SUMMARY}Using ibus      : NO\n"
3674 fi
3675 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
3676
3677 AC_OUTPUT