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 $PKG_CONFIG --exists wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm ecore-ipc; then
1273                 TIZEN_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm aul ecore-ipc`
1274                 TIZEN_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf libdrm aul ecore-ipc`
1275                 video_tizen=yes
1276             fi
1277         fi
1278
1279         AC_MSG_RESULT($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
1298 dnl Check for Mir
1299 CheckMir()
1300 {
1301     AC_ARG_ENABLE(video-mir,
1302 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
1303                   ,enable_video_mir=yes)
1304
1305     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
1306         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1307         AC_MSG_CHECKING(for Mir support)
1308         video_mir=no
1309         if test x$PKG_CONFIG != xno; then
1310             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
1311                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
1312                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
1313                 save_CFLAGS="$CFLAGS"
1314                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
1315
1316                 dnl This will disable Mir on Ubuntu < 14.04
1317                 AC_TRY_COMPILE([
1318                 #include <mir_toolkit/mir_client_library.h>
1319                 ],[
1320                     MirMotionToolType tool = mir_motion_tool_type_mouse;
1321                 ],[
1322                 video_mir=yes
1323                 ])
1324                 CFLAGS="$save_CFLAGS"
1325             fi
1326         fi
1327         AC_MSG_RESULT($video_mir)
1328
1329         if test x$video_mir = xyes; then
1330             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
1331             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
1332             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
1333             AC_ARG_ENABLE(mir-shared,
1334 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
1335                           , enable_mir_shared=maybe)
1336
1337             dnl FIXME: Do BSD and OS X need special cases?
1338             case "$host" in
1339                 *)
1340                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1341                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1342                     ;;
1343             esac
1344
1345             if test x$enable_mir_shared = xmaybe; then
1346                 enable_mir_shared=yes
1347             fi
1348             if test x$have_loadso != xyes && \
1349                test x$enable_mir_shared = xyes; then
1350                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
1351                 enable_mir_shared=no
1352             fi
1353             if test x$have_loadso = xyes && \
1354                test x$enable_mir_shared = xyes && \
1355                test x$mirclient_lib != x && \
1356                test x$xkbcommon_lib != x; then
1357                 echo "-- dynamic libmirclient -> $mirclient_lib"
1358                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
1359                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
1360                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
1361                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
1362             else
1363                 enable_mir_shared=no
1364                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
1365                 SUMMARY_video="${SUMMARY_video} mir"
1366             fi
1367             have_video=yes
1368         fi
1369     fi
1370 }
1371
1372 dnl Check for Native Client stuff
1373 CheckNativeClient()
1374 {
1375         AC_TRY_COMPILE([
1376           #if !defined(__native_client__)
1377           #error "NO NACL"
1378           #endif
1379         ],[
1380         ],[
1381         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
1382         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
1383         AC_DEFINE(HAVE_POW, 1, [ ])
1384         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
1385         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
1386         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
1387
1388         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
1389
1390         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
1391         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
1392         SUMMARY_audio="${SUMMARY_audio} nacl"
1393         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
1394         SUMMARY_video="${SUMMARY_video} nacl opengles2"
1395         ])
1396 }
1397
1398
1399 dnl Find the X11 include and library directories
1400 CheckX11()
1401 {
1402
1403
1404     AC_ARG_ENABLE(video-x11,
1405 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
1406                   , enable_video_x11=yes)
1407     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
1408         case "$host" in
1409             *-*-darwin*)
1410                 # This isn't necessary for X11, but fixes GLX detection
1411                 if test "x$x_includes" = xNONE && \
1412                    test "x$x_libraries" = xNONE && \
1413                    test -d /usr/X11R6/include && \
1414                    test -d /usr/X11R6/lib; then
1415                     x_includes="/usr/X11R6/include"
1416                     x_libraries="/usr/X11R6/lib"
1417                 fi
1418                 ;;
1419         esac
1420         AC_PATH_X
1421         AC_PATH_XTRA
1422         if test x$have_x = xyes; then
1423             AC_ARG_ENABLE(x11-shared,
1424 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
1425                           , enable_x11_shared=maybe)
1426
1427             case "$host" in
1428                 *-*-darwin*)
1429                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
1430                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
1431                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
1432                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
1433                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
1434                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
1435                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
1436                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
1437                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
1438                     ;;
1439                 *-*-openbsd*)
1440                     x11_lib='libX11.so'
1441                     x11ext_lib='libXext.so'
1442                     xcursor_lib='libXcursor.so'
1443                     xinerama_lib='libXinerama.so'
1444                     xinput_lib='libXi.so'
1445                     xrandr_lib='libXrandr.so'
1446                     xrender_lib='libXrender.so'
1447                     xss_lib='libXss.so'
1448                     xvidmode_lib='libXxf86vm.so'
1449                     ;;
1450                 *)
1451                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1452                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1453                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1454                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1455                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1456                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1457                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1458                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1459                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1460                     ;;
1461             esac
1462
1463             if test x$ac_cv_func_shmat != xyes; then
1464                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
1465             fi
1466             CFLAGS="$CFLAGS $X_CFLAGS"
1467             LDFLAGS="$LDFLAGS $X_LIBS"
1468
1469             AC_CHECK_HEADER(X11/extensions/Xext.h,
1470                             have_xext_h_hdr=yes,
1471                             have_xext_h_hdr=no,
1472                             [#include <X11/Xlib.h>
1473                              #include <X11/Xproto.h>
1474                             ])
1475             if test x$have_xext_h_hdr != xyes; then
1476                AC_MSG_ERROR([
1477 *** Missing Xext.h, maybe you need to install the libxext-dev package?
1478                ])
1479             fi
1480
1481             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
1482             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
1483             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
1484
1485             # Needed so SDL applications can include SDL_syswm.h
1486             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
1487
1488             if test x$enable_x11_shared = xmaybe; then
1489                 enable_x11_shared=yes
1490             fi
1491             if test x$have_loadso != xyes && \
1492                test x$enable_x11_shared = xyes; then
1493                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
1494                 enable_x11_shared=no
1495             fi
1496             if test x$have_loadso = xyes && \
1497                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
1498                 echo "-- dynamic libX11 -> $x11_lib"
1499                 echo "-- dynamic libX11ext -> $x11ext_lib"
1500                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
1501                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
1502                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
1503             else
1504                 enable_x11_shared=no
1505                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
1506                 SUMMARY_video="${SUMMARY_video} x11"
1507             fi
1508             have_video=yes
1509
1510             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
1511             have_const_param_XextAddDisplay=no
1512             AC_TRY_COMPILE([
1513               #include <X11/Xlib.h>
1514               #include <X11/Xproto.h>
1515               #include <X11/extensions/Xext.h>
1516               #include <X11/extensions/extutil.h>
1517               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
1518             ],[
1519             ],[
1520             have_const_param_XextAddDisplay=yes
1521             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
1522             ])
1523             AC_MSG_RESULT($have_const_param_XextAddDisplay)
1524
1525             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
1526             AC_MSG_CHECKING([for XGenericEvent])
1527             have_XGenericEvent=no
1528             AC_TRY_COMPILE([
1529                 #include <X11/Xlib.h>
1530             ],[
1531 Display *display;
1532 XEvent event;
1533 XGenericEventCookie *cookie = &event.xcookie;
1534 XNextEvent(display, &event);
1535 XGetEventData(display, cookie);
1536 XFreeEventData(display, cookie);
1537             ],[
1538                 have_XGenericEvent=yes
1539                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
1540             ])
1541             AC_MSG_RESULT($have_XGenericEvent)
1542
1543             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
1544
1545             AC_ARG_ENABLE(video-x11-xcursor,
1546 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
1547                             , enable_video_x11_xcursor=yes)
1548             if test x$enable_video_x11_xcursor = xyes; then
1549                 definitely_enable_video_x11_xcursor=no
1550                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
1551                                 have_xcursor_h_hdr=yes,
1552                                 have_xcursor_h_hdr=no,
1553                                 [#include <X11/Xlib.h>
1554                                 ])
1555                 if test x$have_xcursor_h_hdr = xyes; then
1556                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
1557                         echo "-- dynamic libXcursor -> $xcursor_lib"
1558                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
1559                         definitely_enable_video_x11_xcursor=yes
1560                     else
1561                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
1562                         if test x$have_xcursor_lib = xyes ; then
1563                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
1564                             definitely_enable_video_x11_xcursor=yes
1565                         fi
1566                     fi
1567                 fi
1568             fi
1569             if test x$definitely_enable_video_x11_xcursor = xyes; then
1570                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
1571                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
1572             fi
1573             AC_ARG_ENABLE(video-x11-xdbe,
1574 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
1575                             , enable_video_x11_xdbe=yes)
1576             if test x$enable_video_x11_xdbe = xyes; then
1577                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
1578                                 have_dbe_h_hdr=yes,
1579                                 have_dbe_h_hdr=no,
1580                                 [#include <X11/Xlib.h>
1581                                 ])
1582                 if test x$have_dbe_h_hdr = xyes; then
1583                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
1584                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
1585                 fi
1586             fi
1587             AC_ARG_ENABLE(video-x11-xinerama,
1588 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
1589                             , enable_video_x11_xinerama=yes)
1590             if test x$enable_video_x11_xinerama = xyes; then
1591                 definitely_enable_video_x11_xinerama=no
1592                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
1593                                 have_xinerama_h_hdr=yes,
1594                                 have_xinerama_h_hdr=no,
1595                                 [#include <X11/Xlib.h>
1596                                 ])
1597                 if test x$have_xinerama_h_hdr = xyes; then
1598                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
1599                         echo "-- dynamic libXinerama -> $xinerama_lib"
1600                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
1601                         definitely_enable_video_x11_xinerama=yes
1602                     else
1603                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
1604                         if test x$have_xinerama_lib = xyes ; then
1605                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
1606                             definitely_enable_video_x11_xinerama=yes
1607                         fi
1608                     fi
1609                 fi
1610             fi
1611             if test x$definitely_enable_video_x11_xinerama = xyes; then
1612                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
1613                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
1614             fi
1615             AC_ARG_ENABLE(video-x11-xinput,
1616 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
1617                             , enable_video_x11_xinput=yes)
1618             if test x$enable_video_x11_xinput = xyes; then
1619                 definitely_enable_video_x11_xinput=no
1620                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
1621                                 have_xinput_h_hdr=yes,
1622                                 have_xinput_h_hdr=no,
1623                                 [#include <X11/Xlib.h>
1624                                 ])
1625                 if test x$have_xinput_h_hdr = xyes; then
1626                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
1627                         echo "-- dynamic libXi -> $xinput_lib"
1628                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
1629                         definitely_enable_video_x11_xinput=yes
1630                     else
1631                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
1632                         if test x$have_xinput_lib = xyes ; then
1633                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
1634                             definitely_enable_video_x11_xinput=yes
1635                         fi
1636                     fi
1637                 fi
1638             fi
1639             if test x$definitely_enable_video_x11_xinput = xyes; then
1640                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
1641                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
1642                 AC_MSG_CHECKING(for xinput2 multitouch)
1643                 have_xinput2_multitouch=no
1644                 AC_TRY_COMPILE([
1645                         #include <X11/Xlib.h>
1646                         #include <X11/Xproto.h>
1647                         #include <X11/extensions/XInput2.h>
1648                 ],[
1649 int event_type = XI_TouchBegin;
1650 XITouchClassInfo *t;
1651                 ],[
1652                 have_xinput2_multitouch=yes
1653                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
1654                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
1655                 ])
1656                 AC_MSG_RESULT($have_xinput2_multitouch)
1657             fi
1658             AC_ARG_ENABLE(video-x11-xrandr,
1659 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
1660                             , enable_video_x11_xrandr=yes)
1661             if test x$enable_video_x11_xrandr = xyes; then
1662                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
1663                 definitely_enable_video_x11_xrandr=no
1664                 have_xrandr_h_hdr=no
1665                 AC_TRY_COMPILE([
1666                 #include <X11/Xlib.h>
1667                 #include <X11/extensions/Xrandr.h>
1668                 ],[
1669                 XRRScreenResources *res = NULL;
1670                 ],[
1671                 have_xrandr_h_hdr=yes
1672                 ])
1673                 if test x$have_xrandr_h_hdr = xyes; then
1674                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
1675                         echo "-- dynamic libXrandr -> $xrandr_lib"
1676                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
1677                         definitely_enable_video_x11_xrandr=yes
1678                     else
1679                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
1680                         if test x$have_xrandr_lib = xyes ; then
1681                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
1682                             definitely_enable_video_x11_xrandr=yes
1683                         fi
1684                     fi
1685                 fi
1686             fi
1687             if test x$definitely_enable_video_x11_xrandr = xyes; then
1688                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
1689                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
1690             fi
1691             AC_ARG_ENABLE(video-x11-scrnsaver,
1692 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
1693                             , enable_video_x11_scrnsaver=yes)
1694             if test x$enable_video_x11_scrnsaver = xyes; then
1695                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
1696                                 have_scrnsaver_h_hdr=yes,
1697                                 have_scrnsaver_h_hdr=no,
1698                                 [#include <X11/Xlib.h>
1699                                 ])
1700                 if test x$have_scrnsaver_h_hdr = xyes; then
1701                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
1702                         echo "-- dynamic libXss -> $xss_lib"
1703                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
1704                         definitely_enable_video_x11_scrnsaver=yes
1705                     else
1706                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
1707                         if test x$have_xss_lib = xyes ; then
1708                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
1709                             definitely_enable_video_x11_scrnsaver=yes
1710                         fi
1711                     fi
1712                 fi
1713             fi
1714             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
1715                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
1716                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
1717             fi
1718             AC_ARG_ENABLE(video-x11-xshape,
1719 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
1720                             , enable_video_x11_xshape=yes)
1721             if test x$enable_video_x11_xshape = xyes; then
1722                 AC_CHECK_HEADER(X11/extensions/shape.h,
1723                                 have_shape_h_hdr=yes,
1724                                 have_shape_h_hdr=no,
1725                                 [#include <X11/Xlib.h>
1726                                 ])
1727                 if test x$have_shape_h_hdr = xyes; then
1728                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
1729                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
1730                 fi
1731             fi
1732             AC_ARG_ENABLE(video-x11-vm,
1733 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
1734                             , enable_video_x11_vm=yes)
1735             if test x$enable_video_x11_vm = xyes; then
1736                 definitely_enable_video_x11_vm=no
1737                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
1738                                 have_vm_h_hdr=yes,
1739                                 have_vm_h_hdr=no,
1740                                 [#include <X11/Xlib.h>
1741                                 ])
1742                 if test x$have_vm_h_hdr = xyes; then
1743                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
1744                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
1745                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
1746                         definitely_enable_video_x11_vm=yes
1747                     else
1748                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
1749                         if test x$have_vm_lib = xyes ; then
1750                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
1751                             definitely_enable_video_x11_vm=yes
1752                         fi
1753                     fi
1754                 fi
1755             fi
1756             if test x$definitely_enable_video_x11_vm = xyes; then
1757                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
1758                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
1759             fi
1760         fi
1761     fi
1762 }
1763
1764 dnl Set up the Vivante video driver if enabled
1765 CheckVivanteVideo()
1766 {
1767     AC_ARG_ENABLE(video-vivante,
1768 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
1769                   , enable_video_vivante=yes)
1770     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
1771         AC_MSG_CHECKING(for Vivante VDK API)
1772         have_vivante_vdk=no
1773         AC_TRY_COMPILE([
1774           #define LINUX
1775           #define EGL_API_FB
1776           #include <gc_vdk.h>
1777         ],[
1778         ],[
1779         have_vivante_vdk=yes
1780         ])
1781         AC_MSG_RESULT($have_vivante_vdk)
1782
1783         AC_MSG_CHECKING(for Vivante FB API)
1784         have_vivante_egl=no
1785         AC_TRY_COMPILE([
1786           #define LINUX
1787           #define EGL_API_FB
1788           #include <EGL/eglvivante.h>
1789         ],[
1790         ],[
1791         have_vivante_egl=yes
1792         ])
1793         AC_MSG_RESULT($have_vivante_egl)
1794
1795         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
1796             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
1797             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
1798             if test x$have_vivante_vdk = xyes; then
1799                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
1800                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
1801             fi
1802             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
1803             SUMMARY_video="${SUMMARY_video} vivante"
1804             have_video=yes
1805         fi
1806     fi
1807 }
1808
1809 dnl Set up the Haiku video driver if enabled
1810 CheckHaikuVideo()
1811 {
1812     if test x$enable_video = xyes; then
1813         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
1814         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
1815         have_video=yes
1816         SUMMARY_video="${SUMMARY_video} haiku"
1817     fi
1818 }
1819
1820 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
1821 CheckCOCOA()
1822 {
1823     AC_ARG_ENABLE(video-cocoa,
1824 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
1825                   , enable_video_cocoa=yes)
1826     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
1827         save_CFLAGS="$CFLAGS"
1828         dnl work around that we don't have Objective-C support in autoconf
1829         CFLAGS="$CFLAGS -x objective-c"
1830         AC_MSG_CHECKING(for Cocoa framework)
1831         have_cocoa=no
1832         AC_TRY_COMPILE([
1833           #import <Cocoa/Cocoa.h>
1834         ],[
1835         ],[
1836         have_cocoa=yes
1837         ])
1838         AC_MSG_RESULT($have_cocoa)
1839         CFLAGS="$save_CFLAGS"
1840         if test x$have_cocoa = xyes; then
1841             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
1842             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
1843             SUMMARY_video="${SUMMARY_video} cocoa"
1844             have_video=yes
1845         fi
1846     fi
1847 }
1848
1849 dnl Find DirectFB
1850 CheckDirectFB()
1851 {
1852     AC_ARG_ENABLE(video-directfb,
1853 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
1854                   , enable_video_directfb=no)
1855     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
1856         video_directfb=no
1857
1858         DIRECTFB_REQUIRED_VERSION=1.0.0
1859         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
1860         if test x$DIRECTFBCONFIG = xno; then
1861             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1862             if test x$PKG_CONFIG != xno; then
1863                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
1864                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
1865                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
1866                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
1867                     video_directfb=yes
1868                 fi
1869             fi
1870         else
1871             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
1872             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1873             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
1874             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1875             if test $HAVE_VERSION -ge $NEED_VERSION; then
1876                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
1877                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
1878                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
1879                 video_directfb=yes
1880             fi
1881         fi
1882         if test x$video_directfb = xyes; then
1883             # SuSE 11.1 installs directfb-config without directfb-devel
1884             save_CPPFLAGS="$CPPFLAGS"
1885             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
1886             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
1887             CPPFLAGS="$save_CPPFLAGS"
1888             video_directfb=$have_directfb_hdr
1889         fi
1890         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
1891         AC_MSG_RESULT($video_directfb)
1892
1893         if test x$video_directfb = xyes; then
1894             AC_ARG_ENABLE(directfb-shared,
1895 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
1896                               , enable_directfb_shared=yes)
1897
1898             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
1899             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
1900             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
1901             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
1902
1903             AC_MSG_CHECKING(for directfb dynamic loading support)
1904             directfb_shared=no
1905             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
1906             # | sed 's/.*\/\(.*\)/\1/; q'`]
1907 AC_MSG_WARN("directfb $directfb_lib")
1908             if test x$have_loadso != xyes && \
1909                test x$enable_directfb_shared = xyes; then
1910                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
1911             fi
1912             if test x$have_loadso = xyes && \
1913                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
1914                 directfb_shared=yes
1915                 echo "-- $directfb_lib_spec -> $directfb_lib"
1916                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
1917                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
1918             else
1919                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
1920                 SUMMARY_video="${SUMMARY_video} directfb"
1921             fi
1922             AC_MSG_RESULT($directfb_shared)
1923             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
1924             have_video=yes
1925         fi
1926     fi
1927 }
1928
1929 dnl Find FusionSound
1930 CheckFusionSound()
1931 {
1932     AC_ARG_ENABLE(fusionsound,
1933 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
1934                   , enable_fusionsound=no)
1935     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
1936         fusionsound=no
1937
1938         FUSIONSOUND_REQUIRED_VERSION=1.1.1
1939
1940         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1941         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
1942         if test x$PKG_CONFIG != xno; then
1943             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
1944                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
1945                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
1946                 fusionsound=yes
1947             fi
1948         fi
1949         AC_MSG_RESULT($fusionsound)
1950
1951         if test x$fusionsound = xyes; then
1952             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
1953             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
1954             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
1955
1956             AC_ARG_ENABLE(fusionsound-shared,
1957 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
1958                           , enable_fusionsound_shared=yes)
1959             fusionsound_shared=no
1960             AC_MSG_CHECKING(for FusionSound dynamic loading support)
1961             if test x$have_loadso != xyes && \
1962                test x$enable_fusionsound_shared = xyes; then
1963                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
1964             fi
1965             if test x$have_loadso = xyes && \
1966                test x$enable_fusionsound_shared = xyes; then
1967                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
1968                 fusionsound_shared=yes
1969                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
1970             else
1971                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
1972                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
1973             fi
1974             AC_MSG_RESULT($fusionsound_shared)
1975
1976             have_audio=yes
1977         fi
1978     fi
1979 }
1980
1981 dnl rcg04172001 Set up the Null video driver.
1982 CheckDummyVideo()
1983 {
1984     AC_ARG_ENABLE(video-dummy,
1985 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
1986                   , enable_video_dummy=yes)
1987     if test x$enable_video_dummy = xyes; then
1988         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
1989         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
1990         have_video=yes
1991         SUMMARY_video="${SUMMARY_video} dummy"
1992     fi
1993 }
1994
1995 dnl Check to see if OpenGL support is desired
1996 AC_ARG_ENABLE(video-opengl,
1997 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
1998               , enable_video_opengl=yes)
1999
2000 dnl Find OpenGL
2001 CheckOpenGLX11()
2002 {
2003     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2004         AC_MSG_CHECKING(for OpenGL (GLX) support)
2005         video_opengl=no
2006         AC_TRY_COMPILE([
2007          #include <GL/gl.h>
2008          #include <GL/glx.h>
2009         ],[
2010         ],[
2011         video_opengl=yes
2012         ])
2013         AC_MSG_RESULT($video_opengl)
2014         if test x$video_opengl = xyes; then
2015             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2016             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
2017             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2018             SUMMARY_video="${SUMMARY_video} opengl"
2019         fi
2020     fi
2021 }
2022
2023 dnl Check to see if OpenGL ES support is desired
2024 AC_ARG_ENABLE(video-opengles,
2025 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
2026               , enable_video_opengles=yes)
2027 AC_ARG_ENABLE(video-opengles1,
2028 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
2029               , enable_video_opengles1=yes)
2030 AC_ARG_ENABLE(video-opengles2,
2031 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
2032               , enable_video_opengles2=yes)
2033 AC_ARG_ENABLE(video-vulkan,
2034 AC_HELP_STRING([--enable-video-vulkan], [include Vulkan support [[default=yes]]]),
2035               , enable_video_vulkan=yes)
2036
2037
2038 dnl Find OpenGL ES
2039 CheckOpenGLESX11()
2040 {
2041     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2042         AC_MSG_CHECKING(for EGL support)
2043         video_opengl_egl=no
2044         AC_TRY_COMPILE([
2045           #define LINUX
2046           #define EGL_API_FB
2047           #include <EGL/egl.h>
2048           #include <EGL/eglext.h>
2049         ],[
2050         ],[
2051         video_opengl_egl=yes
2052         ])
2053         AC_MSG_RESULT($video_opengl_egl)
2054         if test x$video_opengl_egl = xyes; then
2055             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2056         fi
2057
2058         if test x$enable_video_opengles1 = xyes; then
2059             AC_MSG_CHECKING(for OpenGL ES v1 headers)
2060             video_opengles_v1=no
2061             AC_TRY_COMPILE([
2062              #include <GLES/gl.h>
2063              #include <GLES/glext.h>
2064             ],[
2065             ],[
2066             video_opengles_v1=yes
2067             ])
2068             AC_MSG_RESULT($video_opengles_v1)
2069             if test x$video_opengles_v1 = xyes; then
2070                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
2071                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
2072                 SUMMARY_video="${SUMMARY_video} opengl_es1"
2073             fi
2074         fi
2075
2076         if test x$enable_video_opengles2 = xyes; then
2077             AC_MSG_CHECKING(for OpenGL ES v2 headers)
2078             video_opengles_v2=no
2079             AC_TRY_COMPILE([
2080              #include <GLES2/gl2.h>
2081              #include <GLES2/gl2ext.h>
2082             ],[
2083             ],[
2084             video_opengles_v2=yes
2085             ])
2086             AC_MSG_RESULT($video_opengles_v2)
2087             if test x$video_opengles_v2 = xyes; then
2088                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2089                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2090                 SUMMARY_video="${SUMMARY_video} opengl_es2"
2091             fi
2092         fi
2093     fi
2094 }
2095
2096 dnl Check for Windows OpenGL
2097 CheckWINDOWSGL()
2098 {
2099     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2100         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2101         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
2102         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2103         SUMMARY_video="${SUMMARY_video} opengl"
2104     fi
2105 }
2106
2107 dnl Check for Windows OpenGL
2108 CheckWINDOWSGLES()
2109 {
2110     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2111
2112         AC_MSG_CHECKING(for EGL support)
2113         video_opengl_egl=no
2114         AC_TRY_COMPILE([
2115          #include <EGL/egl.h>
2116         ],[
2117         ],[
2118         video_opengl_egl=yes
2119         ])
2120         AC_MSG_RESULT($video_opengl_egl)
2121         if test x$video_opengl_egl = xyes; then
2122             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2123             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2124             SUMMARY_video="${SUMMARY_video} opengl_es1"
2125         fi
2126
2127         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2128         video_opengles_v2=no
2129         AC_TRY_COMPILE([
2130          #include <GLES2/gl2.h>
2131          #include <GLES2/gl2ext.h>
2132         ],[
2133         ],[
2134         video_opengles_v2=yes
2135         ])
2136         AC_MSG_RESULT($video_opengles_v2)
2137         if test x$video_opengles_v2 = xyes; then
2138             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2139             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2140             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2141             SUMMARY_video="${SUMMARY_video} opengl_es2"
2142         fi
2143     fi
2144 }
2145
2146 dnl Check for Haiku OpenGL
2147 CheckHaikuGL()
2148 {
2149     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2150         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2151         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
2152         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2153         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
2154         SUMMARY_video="${SUMMARY_video} opengl"
2155     fi
2156 }
2157
2158 dnl Check for MacOS OpenGL
2159 CheckMacGL()
2160 {
2161     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2162         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2163         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
2164         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2165         SUMMARY_video="${SUMMARY_video} opengl"
2166     fi
2167 }
2168
2169 CheckEmscriptenGLES()
2170 {
2171     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2172         AC_MSG_CHECKING(for EGL support)
2173         video_opengl_egl=no
2174         AC_TRY_COMPILE([
2175          #include <EGL/egl.h>
2176         ],[
2177         ],[
2178         video_opengl_egl=yes
2179         ])
2180         AC_MSG_RESULT($video_opengl_egl)
2181         if test x$video_opengl_egl = xyes; then
2182             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2183         fi
2184
2185         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2186         video_opengles_v2=no
2187         AC_TRY_COMPILE([
2188          #include <GLES2/gl2.h>
2189          #include <GLES2/gl2ext.h>
2190         ],[
2191         ],[
2192         video_opengles_v2=yes
2193         ])
2194         AC_MSG_RESULT($video_opengles_v2)
2195         if test x$video_opengles_v2 = xyes; then
2196             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2197             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2198             SUMMARY_video="${SUMMARY_video} opengl_es2"
2199         fi
2200     fi
2201 }
2202
2203 dnl Check for Tizen Vulkan
2204 CheckVulkanTizen()
2205 {
2206     if test x$enable_video = xyes -a x$enable_video_vulkan = xyes; then
2207         AC_MSG_CHECKING(for Vulkan support)
2208         video_vulkan=no
2209         AC_TRY_COMPILE([
2210          #include <vulkan/vulkan.h>
2211         ],[
2212           uint32_t instance_layer_count = 0;
2213           vkEnumerateInstanceLayerProperties(&instance_layer_count, NULL);
2214         ],[
2215         video_vulkan=yes
2216         ])
2217         AC_MSG_RESULT($video_vulkan)
2218         if test x$video_vulkan = xyes; then
2219             AC_DEFINE(SDL_VIDEO_VULKAN, 1, [ ])
2220             SUMMARY_video="${SUMMARY_video} vulkan"
2221         fi
2222     fi
2223 }
2224
2225 dnl See if we can use the new unified event interface in Linux 2.4
2226 CheckInputEvents()
2227 {
2228     dnl Check for Linux 2.4 unified input event interface support
2229         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
2230         use_input_events=no
2231         AC_TRY_COMPILE([
2232           #include <linux/input.h>
2233         ],[
2234           #ifndef EVIOCGNAME
2235           #error EVIOCGNAME() ioctl not available
2236           #endif
2237         ],[
2238         use_input_events=yes
2239         ])
2240         AC_MSG_RESULT($use_input_events)
2241         if test x$use_input_events = xyes; then
2242             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
2243             SUMMARY_input="${SUMMARY_input} linuxev"
2244         fi
2245 }
2246
2247 dnl See if we can use the kernel kd.h header
2248 CheckInputKD()
2249 {
2250
2251     AC_MSG_CHECKING(for Linux kd.h)
2252     use_input_kd=no
2253     AC_TRY_COMPILE([
2254       #include <linux/kd.h>
2255       #include <linux/keyboard.h>
2256     ],[
2257         struct kbentry kbe;
2258         kbe.kb_table = KG_CTRL;
2259         ioctl(0, KDGKBENT, &kbe);
2260     ],[
2261     use_input_kd=yes
2262     ])
2263     AC_MSG_RESULT($use_input_kd)
2264     if test x$use_input_kd = xyes; then
2265         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
2266         SUMMARY_input="${SUMMARY_input} linuxkd"
2267     fi
2268 }
2269
2270 dnl See if the platform offers libudev for device enumeration and hotplugging.
2271 CheckLibUDev()
2272 {
2273     AC_ARG_ENABLE(libudev,
2274 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
2275                         , enable_libudev=yes)
2276     if test x$enable_libudev = xyes; then
2277         AC_CHECK_HEADER(libudev.h,
2278                         have_libudev_h_hdr=yes,
2279                         have_libudev_h_hdr=no)
2280         if test x$have_libudev_h_hdr = xyes; then
2281             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
2282         fi
2283     fi
2284 }
2285
2286 dnl See if the platform offers libdbus for various IPC techniques.
2287 CheckDBus()
2288 {
2289     AC_ARG_ENABLE(dbus,
2290 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
2291                         , enable_dbus=yes)
2292     if test x$enable_dbus = xyes; then
2293         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2294         if test x$PKG_CONFIG != xno; then
2295             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
2296             save_CFLAGS="$CFLAGS"
2297             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
2298             AC_CHECK_HEADER(dbus/dbus.h,
2299                             have_dbus_dbus_h_hdr=yes,
2300                             have_dbus_dbus_h_hdr=no)
2301             CFLAGS="$save_CFLAGS"
2302             if test x$have_dbus_dbus_h_hdr = xyes; then
2303                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
2304                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
2305                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
2306             fi
2307         fi
2308     fi
2309 }
2310
2311 dnl See if the platform has libibus IME support.
2312 CheckIBus()
2313 {
2314     AC_ARG_ENABLE(ibus,
2315 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
2316                   , enable_ibus=yes)
2317     if test x$enable_ibus = xyes; then
2318         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2319         if test x$PKG_CONFIG != xno; then
2320             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
2321             save_CFLAGS="$CFLAGS"
2322             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
2323             AC_CHECK_HEADER(ibus-1.0/ibus.h,
2324                             have_ibus_ibus_h_hdr=yes,
2325                             have_ibus_ibus_h_hdr=no)
2326             AC_CHECK_HEADER(sys/inotify.h,
2327                             have_inotify_inotify_h_hdr=yes,
2328                             have_inotify_inotify_h_hdr=no)
2329             CFLAGS="$save_CFLAGS"
2330             if test x$have_ibus_ibus_h_hdr = xyes; then
2331                 if test x$enable_dbus != xyes; then
2332                     AC_MSG_WARN([DBus support is required for IBus.])
2333                     have_ibus_ibus_h_hdr=no
2334                 elif test x$have_inotify_inotify_h_hdr != xyes; then
2335                     AC_MSG_WARN([INotify support is required for IBus.])
2336                     have_ibus_ibus_h_hdr=no
2337                 else
2338                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
2339                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
2340                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
2341                fi
2342             fi
2343         fi
2344     fi
2345 }
2346
2347 dnl See if we can use the Touchscreen input library
2348 CheckTslib()
2349 {
2350     AC_ARG_ENABLE(input-tslib,
2351 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
2352                   , enable_input_tslib=yes)
2353     if test x$enable_input_tslib = xyes; then
2354         AC_MSG_CHECKING(for Touchscreen library support)
2355         enable_input_tslib=no
2356         AC_TRY_COMPILE([
2357           #include "tslib.h"
2358         ],[
2359         ],[
2360         enable_input_tslib=yes
2361         ])
2362         AC_MSG_RESULT($enable_input_tslib)
2363         if test x$enable_input_tslib = xyes; then
2364             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
2365             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
2366             SUMMARY_input="${SUMMARY_input} ts"
2367         fi
2368     fi
2369 }
2370
2371 dnl See what type of thread model to use on Linux and Solaris
2372 CheckPTHREAD()
2373 {
2374     dnl Check for pthread support
2375     AC_ARG_ENABLE(pthreads,
2376 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
2377                   , enable_pthreads=yes)
2378     dnl This is used on Linux for glibc binary compatibility (Doh!)
2379     AC_ARG_ENABLE(pthread-sem,
2380 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
2381                   , enable_pthread_sem=yes)
2382     case "$host" in
2383          *-*-androideabi*)
2384             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2385             pthread_lib=""
2386             ;;
2387         *-*-linux*|*-*-uclinux*)
2388             pthread_cflags="-D_REENTRANT"
2389             pthread_lib="-lpthread"
2390             ;;
2391         *-*-bsdi*)
2392             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2393             pthread_lib=""
2394             ;;
2395         *-*-darwin*)
2396             pthread_cflags="-D_THREAD_SAFE"
2397 # causes Carbon.p complaints?
2398 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2399             ;;
2400         *-*-freebsd*|*-*-dragonfly*)
2401             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2402             pthread_lib="-pthread"
2403             ;;
2404         *-*-netbsd*)
2405             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2406             pthread_lib="-lpthread"
2407             ;;
2408         *-*-openbsd*)
2409             pthread_cflags="-D_REENTRANT"
2410             pthread_lib="-pthread"
2411             ;;
2412         *-*-solaris2.9)
2413             # From Solaris 9+, posix4's preferred name is rt.
2414             pthread_cflags="-D_REENTRANT"
2415             pthread_lib="-lpthread -lrt"
2416             ;;
2417         *-*-solaris2.10)
2418             # Solaris 10+ merged pthread into libc.
2419             pthread_cflags="-D_REENTRANT"
2420             pthread_lib="-lrt"
2421             ;;
2422         *-*-solaris*)
2423             # Solaris 11+ merged rt into libc.
2424             pthread_cflags="-D_REENTRANT"
2425             pthread_lib=""
2426             ;;
2427         *-*-sysv5*)
2428             pthread_cflags="-D_REENTRANT -Kthread"
2429             pthread_lib=""
2430             ;;
2431         *-*-aix*)
2432             pthread_cflags="-D_REENTRANT -mthreads"
2433             pthread_lib="-lpthread"
2434             ;;
2435         *-*-hpux11*)
2436             pthread_cflags="-D_REENTRANT"
2437             pthread_lib="-L/usr/lib -lpthread"
2438             ;;
2439         *-*-haiku*)
2440             pthread_cflags="-D_REENTRANT"
2441             pthread_lib=""
2442             ;;
2443         *)
2444             pthread_cflags="-D_REENTRANT"
2445             pthread_lib="-lpthread"
2446             ;;
2447     esac
2448     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
2449         # Save the original compiler flags and libraries
2450         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2451         # Add the pthread compiler flags and libraries
2452         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2453         # Check to see if we have pthread support on this system
2454         AC_MSG_CHECKING(for pthreads)
2455         use_pthreads=no
2456         AC_TRY_LINK([
2457          #include <pthread.h>
2458         ],[
2459          pthread_attr_t type;
2460          pthread_attr_init(&type);
2461         ],[
2462         use_pthreads=yes
2463         ])
2464         AC_MSG_RESULT($use_pthreads)
2465         # Restore the compiler flags and libraries
2466         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2467
2468         # Do futher testing if we have pthread support...
2469         if test x$use_pthreads = xyes; then
2470             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
2471             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
2472             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
2473             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
2474
2475             # Save the original compiler flags and libraries
2476             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2477             # Add the pthread compiler flags and libraries
2478             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2479
2480             # Check to see if recursive mutexes are available
2481             AC_MSG_CHECKING(for recursive mutexes)
2482             has_recursive_mutexes=no
2483             if test x$has_recursive_mutexes = xno; then
2484                 AC_TRY_LINK([
2485                   #define _GNU_SOURCE 1
2486                   #include <pthread.h>
2487                 ],[
2488                   pthread_mutexattr_t attr;
2489                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2490                 ],[
2491                 has_recursive_mutexes=yes
2492                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
2493                 ])
2494             fi
2495             if test x$has_recursive_mutexes = xno; then
2496                 AC_TRY_LINK([
2497                   #define _GNU_SOURCE 1
2498                   #include <pthread.h>
2499                 ],[
2500                   pthread_mutexattr_t attr;
2501                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
2502                 ],[
2503                 has_recursive_mutexes=yes
2504                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
2505                 ])
2506             fi
2507             AC_MSG_RESULT($has_recursive_mutexes)
2508
2509             # Check to see if pthread semaphore support is missing
2510             if test x$enable_pthread_sem = xyes; then
2511                 AC_MSG_CHECKING(for pthread semaphores)
2512                 have_pthread_sem=no
2513                 AC_TRY_COMPILE([
2514                   #include <pthread.h>
2515                   #include <semaphore.h>
2516                 ],[
2517                 ],[
2518                 have_pthread_sem=yes
2519                 ])
2520                 AC_MSG_RESULT($have_pthread_sem)
2521             fi
2522             if test x$have_pthread_sem = xyes; then
2523                 AC_MSG_CHECKING(for sem_timedwait)
2524                 have_sem_timedwait=no
2525                 AC_TRY_LINK([
2526                   #include <pthread.h>
2527                   #include <semaphore.h>
2528                 ],[
2529                   sem_timedwait(NULL, NULL);
2530                 ],[
2531                 have_sem_timedwait=yes
2532                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
2533                 ])
2534                 AC_MSG_RESULT($have_sem_timedwait)
2535             fi
2536
2537             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
2538             if test x$have_pthread_np_h = xyes; then
2539                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
2540             fi
2541
2542             # Check to see if pthread naming is available
2543             AC_MSG_CHECKING(for pthread_setname_np)
2544             AC_TRY_LINK_FUNC(pthread_setname_np, [
2545               has_pthread_setname_np=yes
2546               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
2547             ],[
2548               has_pthread_setname_np=no
2549             ])
2550             AC_MSG_RESULT($has_pthread_setname_np)
2551
2552             AC_MSG_CHECKING(for pthread_set_name_np)
2553             AC_TRY_LINK_FUNC(pthread_set_name_np, [
2554               has_pthread_set_name_np=yes
2555               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
2556             ],[
2557               has_pthread_set_name_np=no
2558             ])
2559             AC_MSG_RESULT($has_pthread_set_name_np)
2560
2561             # Restore the compiler flags and libraries
2562             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2563
2564             # Basic thread creation functions
2565             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
2566
2567             # Semaphores
2568             # We can fake these with mutexes and condition variables if necessary
2569             if test x$have_pthread_sem = xyes; then
2570                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
2571             else
2572                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
2573             fi
2574
2575             # Mutexes
2576             # We can fake these with semaphores if necessary
2577             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
2578
2579             # Condition variables
2580             # We can fake these with semaphores and mutexes if necessary
2581             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
2582
2583             # Thread local storage
2584             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
2585
2586             have_threads=yes
2587         fi
2588     fi
2589 }
2590
2591 dnl Determine whether the compiler can produce Windows executables
2592 CheckWINDOWS()
2593 {
2594     AC_MSG_CHECKING(Windows compiler)
2595     have_win32_gcc=no
2596     AC_TRY_COMPILE([
2597      #include <windows.h>
2598     ],[
2599     ],[
2600     have_win32_gcc=yes
2601     ])
2602     AC_MSG_RESULT($have_win32_gcc)
2603     if test x$have_win32_gcc != xyes; then
2604        AC_MSG_ERROR([
2605 *** Your compiler ($CC) does not produce Windows executables!
2606        ])
2607     fi
2608
2609     AC_MSG_CHECKING(Windows CE)
2610     have_wince=no
2611     AC_TRY_COMPILE([
2612 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
2613 #error This is not Windows CE
2614 #endif
2615     ],[
2616     ],[
2617     have_wince=yes
2618        AC_MSG_ERROR([
2619 *** Sorry, Windows CE is no longer supported.
2620        ])
2621     ])
2622     AC_MSG_RESULT($have_wince)
2623
2624     # This fixes Windows stack alignment with newer GCC
2625     CheckStackBoundary
2626 }
2627
2628 dnl Find the DirectX includes and libraries
2629 CheckDIRECTX()
2630 {
2631     AC_ARG_ENABLE(directx,
2632 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
2633                   , enable_directx=yes)
2634     if test x$enable_directx = xyes; then
2635         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
2636         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
2637         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
2638         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
2639         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
2640         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
2641         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
2642         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
2643
2644         if test x$have_ddraw = xyes; then
2645             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
2646         fi
2647         if test x$have_dinput = xyes; then
2648             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
2649         fi
2650         if test x$have_dsound = xyes; then
2651             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
2652         fi
2653         if test x$have_dxgi = xyes; then
2654             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
2655         fi
2656         if test x$have_xinput = xyes; then
2657             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
2658         fi
2659
2660         SUMMARY_video="${SUMMARY_video} directx"
2661         SUMMARY_audio="${SUMMARY_audio} directx"
2662
2663         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
2664         # FIXME:  ...so force it off for now.
2665         case "$host" in
2666             *-*-cygwin*)
2667             have_dinput=false
2668             ;;
2669         esac
2670     fi
2671 }
2672
2673 dnl Check for the dlfcn.h interface for dynamically loading objects
2674 CheckDLOPEN()
2675 {
2676     AC_ARG_ENABLE(sdl-dlopen,
2677 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
2678                   , enable_sdl_dlopen=yes)
2679     if test x$enable_sdl_dlopen = xyes; then
2680         AC_MSG_CHECKING(for dlopen)
2681         have_dlopen=no
2682         AC_TRY_COMPILE([
2683          #include <dlfcn.h>
2684         ],[
2685          void *handle = dlopen("", RTLD_NOW);
2686          const char *loaderror = (char *) dlerror();
2687         ],[
2688         have_dlopen=yes
2689         ])
2690         AC_MSG_RESULT($have_dlopen)
2691
2692         if test x$have_dlopen = xyes; then
2693             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
2694                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
2695                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
2696             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
2697             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
2698             have_loadso=yes
2699         fi
2700     fi
2701 }
2702
2703 dnl Check for the usbhid(3) library on *BSD
2704 CheckUSBHID()
2705 {
2706     case "$host" in
2707         *-*-*bsd*)
2708             if test x$enable_joystick = xyes; then
2709                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
2710                 if test x$have_libusbhid = xyes; then
2711                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
2712                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
2713                     USB_LIBS="$USB_LIBS -lusbhid"
2714                 else
2715                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
2716                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
2717                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
2718                 fi
2719
2720                 save_CFLAGS="$CFLAGS"
2721                 CFLAGS="$CFLAGS $USB_CFLAGS"
2722
2723                 AC_MSG_CHECKING(for usbhid)
2724                 have_usbhid=no
2725                 AC_TRY_COMPILE([
2726                   #include <sys/types.h>
2727                   #if defined(HAVE_USB_H)
2728                   #include <usb.h>
2729                   #endif
2730                   #ifdef __DragonFly__
2731                   # include <bus/usb/usb.h>
2732                   # include <bus/usb/usbhid.h>
2733                   #else
2734                   # include <dev/usb/usb.h>
2735                   # include <dev/usb/usbhid.h>
2736                   #endif
2737                   #if defined(HAVE_USBHID_H)
2738                   #include <usbhid.h>
2739                   #elif defined(HAVE_LIBUSB_H)
2740                   #include <libusb.h>
2741                   #elif defined(HAVE_LIBUSBHID_H)
2742                   #include <libusbhid.h>
2743                   #endif
2744                 ],[
2745                   struct report_desc *repdesc;
2746                   struct usb_ctl_report *repbuf;
2747                   hid_kind_t hidkind;
2748                 ],[
2749                 have_usbhid=yes
2750                 ])
2751                 AC_MSG_RESULT($have_usbhid)
2752
2753                 if test x$have_usbhid = xyes; then
2754                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
2755                     have_usbhid_ucr_data=no
2756                     AC_TRY_COMPILE([
2757                       #include <sys/types.h>
2758                       #if defined(HAVE_USB_H)
2759                       #include <usb.h>
2760                       #endif
2761                       #ifdef __DragonFly__
2762                       # include <bus/usb/usb.h>
2763                       # include <bus/usb/usbhid.h>
2764                       #else
2765                       # include <dev/usb/usb.h>
2766                       # include <dev/usb/usbhid.h>
2767                       #endif
2768                       #if defined(HAVE_USBHID_H)
2769                       #include <usbhid.h>
2770                       #elif defined(HAVE_LIBUSB_H)
2771                       #include <libusb.h>
2772                       #elif defined(HAVE_LIBUSBHID_H)
2773                       #include <libusbhid.h>
2774                       #endif
2775                     ],[
2776                       struct usb_ctl_report buf;
2777                       if (buf.ucr_data) { }
2778                     ],[
2779                     have_usbhid_ucr_data=yes
2780                     ])
2781                     if test x$have_usbhid_ucr_data = xyes; then
2782                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
2783                     fi
2784                     AC_MSG_RESULT($have_usbhid_ucr_data)
2785
2786                     AC_MSG_CHECKING(for new usbhid API)
2787                     have_usbhid_new=no
2788                     AC_TRY_COMPILE([
2789                       #include <sys/types.h>
2790                       #if defined(HAVE_USB_H)
2791                       #include <usb.h>
2792                       #endif
2793                       #ifdef __DragonFly__
2794                       #include <bus/usb/usb.h>
2795                       #include <bus/usb/usbhid.h>
2796                       #else
2797                       #include <dev/usb/usb.h>
2798                       #include <dev/usb/usbhid.h>
2799                       #endif
2800                       #if defined(HAVE_USBHID_H)
2801                       #include <usbhid.h>
2802                       #elif defined(HAVE_LIBUSB_H)
2803                       #include <libusb.h>
2804                       #elif defined(HAVE_LIBUSBHID_H)
2805                       #include <libusbhid.h>
2806                       #endif
2807                     ],[
2808                       report_desc_t d;
2809                       hid_start_parse(d, 1, 1);
2810                     ],[
2811                     have_usbhid_new=yes
2812                     ])
2813                     if test x$have_usbhid_new = xyes; then
2814                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
2815                     fi
2816                     AC_MSG_RESULT($have_usbhid_new)
2817
2818                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
2819                     have_machine_joystick=no
2820                     AC_TRY_COMPILE([
2821                       #include <machine/joystick.h>
2822                     ],[
2823                       struct joystick t;
2824                     ],[
2825                     have_machine_joystick=yes
2826                     ])
2827                     if test x$have_machine_joystick = xyes; then
2828                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
2829                     fi
2830                     AC_MSG_RESULT($have_machine_joystick)
2831
2832                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
2833                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
2834                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
2835                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
2836                     have_joystick=yes
2837                 fi
2838                 CFLAGS="$save_CFLAGS"
2839             fi
2840         ;;
2841     esac
2842 }
2843
2844 dnl Check for clock_gettime()
2845 CheckClockGettime()
2846 {
2847     AC_ARG_ENABLE(clock_gettime,
2848 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
2849                   , enable_clock_gettime=yes)
2850     if test x$enable_clock_gettime = xyes; then
2851         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
2852         if test x$have_clock_gettime = xyes; then
2853             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2854             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
2855         else
2856             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
2857             if test x$have_clock_gettime = xyes; then
2858                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2859                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
2860             fi
2861         fi
2862     fi
2863 }
2864
2865 dnl Check for a valid linux/version.h
2866 CheckLinuxVersion()
2867 {
2868     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
2869     if test x$have_linux_version_h = xyes; then
2870         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
2871     fi
2872 }
2873
2874 dnl Check if we want to use RPATH
2875 CheckRPATH()
2876 {
2877     AC_ARG_ENABLE(rpath,
2878 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
2879                   , enable_rpath=yes)
2880 }
2881
2882 dnl Set up the configuration based on the host platform!
2883 case "$host" in
2884     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
2885         case "$host" in
2886             *-raspberry-linux*)
2887                 # Raspberry Pi
2888                 ARCH=linux
2889                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
2890                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2891                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2892                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2893                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
2894
2895                 if test x$enable_video = xyes; then
2896                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2897                     # FIXME: confdefs? Not AC_DEFINE?
2898                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2899                     SUMMARY_video="${SUMMARY_video} rpi"
2900                 fi
2901                 ;;
2902             *-*-androideabi*)
2903                 # Android
2904                 ARCH=android
2905                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
2906                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
2907                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
2908                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
2909                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
2910
2911                 if test x$enable_video = xyes; then
2912                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
2913                     # FIXME: confdefs? Not AC_DEFINE?
2914                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
2915                     SUMMARY_video="${SUMMARY_video} android"
2916                 fi
2917                 ;;
2918             *-*-linux*)         ARCH=linux ;;
2919             *-*-uclinux*)       ARCH=linux ;;
2920             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
2921             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
2922             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
2923             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
2924             *-*-bsdi*)          ARCH=bsdi ;;
2925             *-*-freebsd*)       ARCH=freebsd ;;
2926             *-*-dragonfly*)     ARCH=freebsd ;;
2927             *-raspberry-netbsd*)
2928                 # Raspberry Pi
2929                 ARCH=netbsd
2930                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
2931                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2932                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2933                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2934                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
2935
2936                 if test x$enable_video = xyes; then
2937                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2938                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2939                     SUMMARY_video="${SUMMARY_video} raspberry"
2940                 fi
2941                 ;;
2942             *-*-netbsd*)        ARCH=netbsd ;;
2943             *-*-openbsd*)       ARCH=openbsd ;;
2944             *-*-sysv5*)         ARCH=sysv5 ;;
2945             *-*-solaris*)       ARCH=solaris ;;
2946             *-*-hpux*)          ARCH=hpux ;;
2947             *-*-aix*)           ARCH=aix ;;
2948             *-*-minix*)         ARCH=minix ;;
2949         esac
2950         CheckVisibilityHidden
2951         CheckDummyVideo
2952         CheckDiskAudio
2953         CheckDummyAudio
2954         CheckDLOPEN
2955         CheckOSS
2956         CheckALSA
2957         CheckPulseAudio
2958         CheckARTSC
2959         CheckESD
2960         CheckNAS
2961         CheckSNDIO
2962         CheckX11
2963         CheckDirectFB
2964         CheckFusionSound
2965         CheckOpenGLX11
2966         CheckOpenGLESX11
2967         CheckVulkanTizen
2968         CheckMir
2969         CheckWayland
2970         CheckTizen
2971         CheckLibUDev
2972         CheckDBus
2973         CheckIBus
2974         case $ARCH in
2975           linux)
2976               CheckInputEvents
2977               CheckInputKD
2978           ;;
2979         esac
2980         CheckTslib
2981         CheckUSBHID
2982         CheckPTHREAD
2983         CheckClockGettime
2984         CheckLinuxVersion
2985         CheckRPATH
2986         CheckVivanteVideo
2987         # Set up files for the audio library
2988         if test x$enable_audio = xyes; then
2989           case $ARCH in
2990             sysv5|solaris|hpux)
2991                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
2992                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
2993                 have_audio=yes
2994             ;;
2995             netbsd)  # Don't use this on OpenBSD, it's busted.
2996                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
2997                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
2998                 have_audio=yes
2999             ;;
3000             aix)
3001                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
3002                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
3003                 have_audio=yes
3004             ;;
3005             android)
3006                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
3007                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
3008                 SUMMARY_audio="${SUMMARY_audio} android"
3009                 have_audio=yes
3010             ;;
3011           esac
3012         fi
3013         # Set up files for the joystick library
3014         if test x$enable_joystick = xyes; then
3015           case $ARCH in
3016             linux)
3017                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
3018                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
3019                 have_joystick=yes
3020             ;;
3021             android)
3022                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
3023                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
3024                 have_joystick=yes
3025             ;;
3026           esac
3027         fi
3028         # Set up files for the haptic library
3029         if test x$enable_haptic = xyes; then
3030            if test x$use_input_events = xyes; then
3031              case $ARCH in
3032                linux)
3033                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
3034                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
3035                    have_haptic=yes
3036                ;;
3037              esac
3038            fi
3039         fi
3040         # Set up files for the power library
3041         if test x$enable_power = xyes; then
3042              case $ARCH in
3043                linux)
3044                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
3045                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
3046                    have_power=yes
3047                ;;
3048                android)
3049                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
3050                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
3051                    have_power=yes
3052                ;;
3053              esac
3054         fi
3055         # Set up files for the filesystem library
3056         if test x$enable_filesystem = xyes; then
3057              case $ARCH in
3058                android)
3059                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
3060                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
3061                    have_filesystem=yes
3062                ;;
3063                *)
3064                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
3065                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
3066                    have_filesystem=yes
3067                ;;
3068              esac
3069         fi
3070         # Set up files for the timer library
3071         if test x$enable_timers = xyes; then
3072             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3073             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3074             have_timers=yes
3075         fi
3076         # Set up files for udev hotplugging support
3077         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
3078             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"
3079         fi
3080         # Set up files for evdev input
3081         if test x$use_input_events = xyes; then
3082             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
3083         fi
3084         ;;
3085     *-*-cygwin* | *-*-mingw32*)
3086         ARCH=win32
3087         if test "$build" != "$host"; then # cross-compiling
3088             # Default cross-compile location
3089             ac_default_prefix=/usr/local/cross-tools/$host
3090         else
3091             # Look for the location of the tools and install there
3092             if test "$BUILD_PREFIX" != ""; then
3093                 ac_default_prefix=$BUILD_PREFIX
3094             fi
3095         fi
3096         CheckDummyVideo
3097         CheckDiskAudio
3098         CheckDummyAudio
3099         CheckWINDOWS
3100         CheckWINDOWSGL
3101         CheckWINDOWSGLES
3102         CheckDIRECTX
3103
3104         # Set up the core platform files
3105         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
3106
3107         # Set up files for the video library
3108         if test x$enable_video = xyes; then
3109             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
3110             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
3111             have_video=yes
3112             AC_ARG_ENABLE(render-d3d,
3113 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
3114                                 , enable_render_d3d=yes)
3115             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
3116                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
3117             fi
3118             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
3119                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
3120             fi
3121         fi
3122         # Set up files for the audio library
3123         if test x$enable_audio = xyes; then
3124             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
3125             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
3126             if test x$have_dsound = xyes; then
3127                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
3128                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
3129             fi
3130             if test x$have_xaudio2 = xyes; then
3131                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
3132                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
3133             fi
3134             have_audio=yes
3135         fi
3136         # Set up files for the joystick library
3137         if test x$enable_joystick = xyes; then
3138             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3139                 if test x$have_xinput = xyes; then
3140                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
3141                 fi
3142                 if test x$have_dinput = xyes; then
3143                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
3144                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
3145                 fi
3146             else
3147                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
3148             fi
3149             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
3150             have_joystick=yes
3151         fi
3152         if test x$enable_haptic = xyes; then
3153             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3154                 if test x$have_xinput = xyes; then
3155                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
3156                 fi
3157                 if test x$have_dinput = xyes; then
3158                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
3159                 fi
3160                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
3161                 have_haptic=yes
3162             fi
3163         fi
3164         if test x$enable_power = xyes; then
3165             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
3166             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
3167             have_power=yes
3168         fi
3169         if test x$enable_filesystem = xyes; then
3170             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
3171             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
3172             have_filesystem=yes
3173         fi
3174         # Set up files for the thread library
3175         if test x$enable_threads = xyes; then
3176             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
3177             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
3178             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
3179             have_threads=yes
3180         fi
3181         # Set up files for the timer library
3182         if test x$enable_timers = xyes; then
3183             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
3184             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
3185             have_timers=yes
3186         fi
3187         # Set up files for the shared object loading library
3188         if test x$enable_loadso = xyes; then
3189             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
3190             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
3191             have_loadso=yes
3192         fi
3193         # Set up the system libraries we need
3194         if test -f /lib/w32api/libuuid.a; then
3195             LIBUUID=/lib/w32api/libuuid.a
3196         else
3197             LIBUUID=-luuid
3198         fi
3199         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
3200         # The Windows platform requires special setup
3201         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
3202         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
3203         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
3204         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
3205
3206         # Check to see if this is a mingw or cygwin build
3207         have_mingw32=
3208         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
3209         if test x$have_mingw32 = xyes; then
3210             SDL_LIBS="-lmingw32 $SDL_LIBS"
3211         else
3212             SDL_LIBS="-lcygwin $SDL_LIBS"
3213         fi
3214         ;;
3215
3216     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
3217     *-*-beos*)
3218         AC_MSG_ERROR([
3219 *** BeOS support has been removed as of SDL 2.0.2.
3220         ])
3221         ;;
3222
3223     *-*-haiku*)
3224         ARCH=haiku
3225         ac_default_prefix=/boot/system
3226         CheckDummyVideo
3227         CheckDiskAudio
3228         CheckDummyAudio
3229         CheckHaikuVideo
3230         CheckHaikuGL
3231         CheckPTHREAD
3232
3233         # Set up files for the audio library
3234         if test x$enable_audio = xyes; then
3235             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
3236             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
3237             have_audio=yes
3238         fi
3239         # Set up files for the joystick library
3240         if test x$enable_joystick = xyes; then
3241             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
3242             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
3243             have_joystick=yes
3244         fi
3245         # Set up files for the timer library
3246         if test x$enable_timers = xyes; then
3247             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
3248             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
3249             have_timers=yes
3250         fi
3251         # Set up files for the shared object loading library
3252         if test x$enable_loadso = xyes; then
3253             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
3254             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
3255             have_loadso=yes
3256         fi
3257         # Set up files for the system power library
3258         if test x$enable_power = xyes; then
3259             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
3260             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
3261             have_power=yes
3262         fi
3263         # Set up files for the system filesystem library
3264         if test x$enable_filesystem = xyes; then
3265             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
3266             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
3267             have_filesystem=yes
3268         fi
3269         # The Haiku platform requires special setup.
3270         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
3271         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
3272         ;;
3273     arm*-apple-darwin*)
3274         # iOS - We are not writing anything to confdefs.h because you have to replace
3275         # SDL_config.h for SDL_config_iphoneos.h anyway
3276         ARCH=ios
3277
3278         CheckVisibilityHidden
3279         CheckDummyVideo
3280         CheckDiskAudio
3281         CheckDummyAudio
3282         CheckDLOPEN
3283         CheckCOCOA
3284         CheckPTHREAD
3285
3286
3287         # Set up files for the audio library
3288         if test x$enable_audio = xyes; then
3289             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3290             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3291             have_audio=yes
3292         fi
3293         # Set up files for the joystick library
3294         if test x$enable_joystick = xyes; then
3295             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
3296             have_joystick=yes
3297         fi
3298         # Set up files for the haptic library
3299         #if test x$enable_haptic = xyes; then
3300         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3301         #    have_haptic=yes
3302         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3303         #fi
3304         # Set up files for the power library
3305         if test x$enable_power = xyes; then
3306             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
3307             have_power=yes
3308         fi
3309         # Set up files for the filesystem library
3310         if test x$enable_filesystem = xyes; then
3311             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3312             have_filesystem=yes
3313         fi
3314         # Set up files for the timer library
3315         if test x$enable_timers = xyes; then
3316             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3317             have_timers=yes
3318         fi
3319         # Set up additional files for the file library
3320         if test x$enable_file = xyes; then
3321             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3322         fi
3323         # The iOS platform requires special setup.
3324         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
3325         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3326         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
3327         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
3328         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
3329         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
3330         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
3331         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
3332         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
3333         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
3334         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
3335         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
3336         ;;
3337     *-*-darwin* )
3338         # This could be either full "Mac OS X", or plain "Darwin" which is
3339         # just the OS X kernel sans upper layers like Carbon and Cocoa.
3340         # Next line is broken, and a few files below require Mac OS X (full)
3341         ARCH=macosx
3342
3343         # Mac OS X builds with both the Carbon and OSX APIs at the moment
3344         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
3345         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
3346
3347         CheckVisibilityHidden
3348         CheckDummyVideo
3349         CheckDiskAudio
3350         CheckDummyAudio
3351         CheckDLOPEN
3352         CheckCOCOA
3353         CheckX11
3354         CheckMacGL
3355         CheckOpenGLX11
3356         CheckPTHREAD
3357
3358         # Set up files for the audio library
3359         if test x$enable_audio = xyes; then
3360             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
3361             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3362             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3363             have_audio=yes
3364         fi
3365         # Set up files for the joystick library
3366         if test x$enable_joystick = xyes; then
3367             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
3368             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
3369             have_joystick=yes
3370         fi
3371         # Set up files for the haptic library
3372         if test x$enable_haptic = xyes; then
3373             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
3374             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3375             have_haptic=yes
3376             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3377         fi
3378         # Set up files for the power library
3379         if test x$enable_power = xyes; then
3380             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
3381             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
3382             have_power=yes
3383         fi
3384         # Set up files for the filesystem library
3385         if test x$enable_filesystem = xyes; then
3386             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
3387             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3388             have_filesystem=yes
3389         fi
3390         # Set up files for the timer library
3391         if test x$enable_timers = xyes; then
3392             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3393             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3394             have_timers=yes
3395         fi
3396         # Set up additional files for the file library
3397         if test x$enable_file = xyes; then
3398             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3399         fi
3400         # The Mac OS X platform requires special setup.
3401         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3402         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
3403         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
3404         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
3405         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
3406         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
3407         # If audio is used, add the AudioUnit framework
3408         if test x$enable_audio = xyes; then
3409             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
3410         fi
3411         ;;
3412     *-nacl|*-pnacl)
3413         ARCH=nacl
3414         CheckNativeClient
3415         CheckDummyAudio
3416         CheckDummyVideo
3417         CheckInputEvents
3418         CheckPTHREAD
3419
3420         # Set up files for the timer library
3421         if test x$enable_timers = xyes; then
3422             AC_DEFINE(SDL_TIMER_UNIX)
3423             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3424             have_timers=yes
3425         fi
3426
3427         if test x$enable_filesystem = xyes; then
3428             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
3429             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
3430             have_filesystem=yes
3431         fi
3432         ;;
3433     *-*-emscripten* )
3434         if test x$enable_video = xyes; then
3435             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
3436             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
3437             have_video=yes
3438             SUMMARY_video="${SUMMARY_video} emscripten"
3439         fi
3440
3441         if test x$enable_audio = xyes; then
3442             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
3443             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
3444             have_audio=yes
3445             SUMMARY_audio="${SUMMARY_audio} emscripten"
3446         fi
3447
3448         CheckVisibilityHidden
3449         CheckDummyVideo
3450         CheckDiskAudio
3451         CheckDummyAudio
3452         CheckDLOPEN
3453         CheckClockGettime
3454         CheckEmscriptenGLES
3455
3456          # Set up files for the power library
3457         if test x$enable_power = xyes; then
3458             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
3459             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
3460             have_power=yes
3461         fi
3462
3463         # Set up files for the power library
3464         if test x$enable_joystick = xyes; then
3465             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
3466             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
3467             have_joystick=yes
3468         fi
3469
3470         # Set up files for the filesystem library
3471         if test x$enable_filesystem = xyes; then
3472             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
3473             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
3474             have_filesystem=yes
3475         fi
3476         # Set up files for the timer library
3477         if test x$enable_timers = xyes; then
3478             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3479             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3480             have_timers=yes
3481         fi
3482         ;;
3483     *)
3484         AC_MSG_ERROR([
3485 *** Unsupported host:  Please add to configure.in
3486         ])
3487         ;;
3488 esac
3489
3490 dnl Do this on all platforms, after everything else.
3491 CheckWarnAll
3492
3493 # Verify that we have all the platform specific files we need
3494
3495 if test x$have_joystick != xyes; then
3496     if test x$enable_joystick = xyes; then
3497         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
3498     fi
3499     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
3500 fi
3501 if test x$have_haptic != xyes; then
3502     if test x$enable_haptic = xyes; then
3503         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
3504     fi
3505     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
3506 fi
3507 if test x$have_threads != xyes; then
3508     if test x$enable_threads = xyes; then
3509         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
3510     fi
3511     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
3512 fi
3513 if test x$have_timers != xyes; then
3514     if test x$enable_timers = xyes; then
3515         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
3516     fi
3517     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
3518 fi
3519 if test x$have_filesystem != xyes; then
3520     if test x$enable_filesystem = xyes; then
3521         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
3522     fi
3523     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
3524 fi
3525 if test x$have_loadso != xyes; then
3526     if test x$enable_loadso = xyes; then
3527         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
3528     fi
3529     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
3530 fi
3531 if test x$SDLMAIN_SOURCES = x; then
3532     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
3533 fi
3534 SDLTEST_SOURCES="$srcdir/src/test/*.c"
3535
3536 OBJECTS=`echo $SOURCES`
3537 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
3538 for EXT in asm cc m c S; do
3539     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
3540     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
3541 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
3542         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3543 done
3544
3545 VERSION_OBJECTS=`echo $VERSION_SOURCES`
3546 VERSION_DEPENDS=`echo $VERSION_SOURCES`
3547 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
3548 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
3549 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
3550         \\$(WINDRES) \\$< \\$@,g"`
3551
3552 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
3553 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
3554 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3555 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3556 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3557         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3558
3559 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
3560 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
3561 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3562 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3563 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3564         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3565
3566 # Set runtime shared library paths as needed
3567
3568 if test "x$enable_rpath" = "xyes"; then
3569   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
3570     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
3571   fi
3572   if test $ARCH = solaris; then
3573     SDL_RLD_FLAGS="-R\${libdir}"
3574   fi
3575 else
3576   SDL_RLD_FLAGS=""
3577 fi
3578
3579 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
3580
3581 dnl Expand the cflags and libraries needed by apps using SDL
3582 AC_SUBST(SDL_CFLAGS)
3583 AC_SUBST(SDL_LIBS)
3584 AC_SUBST(SDL_STATIC_LIBS)
3585 AC_SUBST(SDL_RLD_FLAGS)
3586 if test x$enable_shared = xyes; then
3587     ENABLE_SHARED_TRUE=
3588     ENABLE_SHARED_FALSE="#"
3589 else
3590     ENABLE_SHARED_TRUE="#"
3591     ENABLE_SHARED_FALSE=
3592 fi
3593 if test x$enable_static = xyes; then
3594     ENABLE_STATIC_TRUE=
3595     ENABLE_STATIC_FALSE="#"
3596 else
3597     ENABLE_STATIC_TRUE="#"
3598     ENABLE_STATIC_FALSE=
3599 fi
3600 AC_SUBST(ENABLE_SHARED_TRUE)
3601 AC_SUBST(ENABLE_SHARED_FALSE)
3602 AC_SUBST(ENABLE_STATIC_TRUE)
3603 AC_SUBST(ENABLE_STATIC_FALSE)
3604
3605 dnl Expand the sources and objects needed to build the library
3606 AC_SUBST(ac_aux_dir)
3607 AC_SUBST(INCLUDE)
3608 AC_SUBST(OBJECTS)
3609 AC_SUBST(VERSION_OBJECTS)
3610 AC_SUBST(SDLMAIN_OBJECTS)
3611 AC_SUBST(SDLTEST_OBJECTS)
3612 AC_SUBST(BUILD_CFLAGS)
3613 AC_SUBST(EXTRA_CFLAGS)
3614 AC_SUBST(BUILD_LDFLAGS)
3615 AC_SUBST(EXTRA_LDFLAGS)
3616 AC_SUBST(WINDRES)
3617
3618 cat >Makefile.rules <<__EOF__
3619
3620 # Build rules for objects
3621 -include \$(OBJECTS:.lo=.d)
3622
3623 # Special dependency for SDL.c, since it depends on SDL_revision.h
3624 $srcdir/src/SDL.c: update-revision
3625 $DEPENDS
3626 $VERSION_DEPENDS
3627 $SDLMAIN_DEPENDS
3628 $SDLTEST_DEPENDS
3629 __EOF__
3630
3631 AC_CONFIG_FILES([
3632     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
3633 ])
3634 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
3635
3636 SUMMARY="SDL2 Configure Summary:\n"
3637 if test x$enable_shared = xyes; then
3638     SUMMARY="${SUMMARY}Building Shared Libraries\n"
3639 fi
3640 if test x$enable_static = xyes; then
3641     SUMMARY="${SUMMARY}Building Static Libraries\n"
3642 fi
3643 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
3644 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"
3645 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
3646 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
3647 if test x$have_x = xyes; then
3648     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
3649 fi
3650 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
3651 if test x$enable_libudev = xyes; then
3652     SUMMARY="${SUMMARY}Using libudev   : YES\n"
3653 else
3654     SUMMARY="${SUMMARY}Using libudev   : NO\n"
3655 fi
3656 if test x$have_dbus_dbus_h_hdr = xyes; then
3657     SUMMARY="${SUMMARY}Using dbus      : YES\n"
3658 else
3659     SUMMARY="${SUMMARY}Using dbus      : NO\n"
3660 fi
3661 if test x$have_ibus_ibus_h_hdr = xyes; then
3662     SUMMARY="${SUMMARY}Using ibus      : YES\n"
3663 else
3664     SUMMARY="${SUMMARY}Using ibus      : NO\n"
3665 fi
3666 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
3667
3668 AC_OUTPUT