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 $PKG_CONFIG --exists wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf; then
1273                 TIZEN_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf`
1274                 TIZEN_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl ecore ecore-wayland eina capi-appfw-application capi-system-system-settings ecore-input dlog ecore-imf`
1275                 video_tizen=yes
1276             fi
1277         fi
1278
1279         AC_MSG_RESULT($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         ],[
2213         video_vulkan=yes
2214         ])
2215         AC_MSG_RESULT($video_vulkan)
2216         if test x$video_vulkan = xyes; then
2217             AC_DEFINE(SDL_VIDEO_VULKAN, 1, [ ])
2218             SUMMARY_video="${SUMMARY_video} vulkan"
2219             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvulkan"
2220         fi
2221     fi
2222 }
2223
2224 dnl See if we can use the new unified event interface in Linux 2.4
2225 CheckInputEvents()
2226 {
2227     dnl Check for Linux 2.4 unified input event interface support
2228         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
2229         use_input_events=no
2230         AC_TRY_COMPILE([
2231           #include <linux/input.h>
2232         ],[
2233           #ifndef EVIOCGNAME
2234           #error EVIOCGNAME() ioctl not available
2235           #endif
2236         ],[
2237         use_input_events=yes
2238         ])
2239         AC_MSG_RESULT($use_input_events)
2240         if test x$use_input_events = xyes; then
2241             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
2242             SUMMARY_input="${SUMMARY_input} linuxev"
2243         fi
2244 }
2245
2246 dnl See if we can use the kernel kd.h header
2247 CheckInputKD()
2248 {
2249
2250     AC_MSG_CHECKING(for Linux kd.h)
2251     use_input_kd=no
2252     AC_TRY_COMPILE([
2253       #include <linux/kd.h>
2254       #include <linux/keyboard.h>
2255     ],[
2256         struct kbentry kbe;
2257         kbe.kb_table = KG_CTRL;
2258         ioctl(0, KDGKBENT, &kbe);
2259     ],[
2260     use_input_kd=yes
2261     ])
2262     AC_MSG_RESULT($use_input_kd)
2263     if test x$use_input_kd = xyes; then
2264         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
2265         SUMMARY_input="${SUMMARY_input} linuxkd"
2266     fi
2267 }
2268
2269 dnl See if the platform offers libudev for device enumeration and hotplugging.
2270 CheckLibUDev()
2271 {
2272     AC_ARG_ENABLE(libudev,
2273 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
2274                         , enable_libudev=yes)
2275     if test x$enable_libudev = xyes; then
2276         AC_CHECK_HEADER(libudev.h,
2277                         have_libudev_h_hdr=yes,
2278                         have_libudev_h_hdr=no)
2279         if test x$have_libudev_h_hdr = xyes; then
2280             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
2281         fi
2282     fi
2283 }
2284
2285 dnl See if the platform offers libdbus for various IPC techniques.
2286 CheckDBus()
2287 {
2288     AC_ARG_ENABLE(dbus,
2289 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
2290                         , enable_dbus=yes)
2291     if test x$enable_dbus = xyes; then
2292         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2293         if test x$PKG_CONFIG != xno; then
2294             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
2295             save_CFLAGS="$CFLAGS"
2296             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
2297             AC_CHECK_HEADER(dbus/dbus.h,
2298                             have_dbus_dbus_h_hdr=yes,
2299                             have_dbus_dbus_h_hdr=no)
2300             CFLAGS="$save_CFLAGS"
2301             if test x$have_dbus_dbus_h_hdr = xyes; then
2302                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
2303                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
2304                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
2305             fi
2306         fi
2307     fi
2308 }
2309
2310 dnl See if the platform has libibus IME support.
2311 CheckIBus()
2312 {
2313     AC_ARG_ENABLE(ibus,
2314 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
2315                   , enable_ibus=yes)
2316     if test x$enable_ibus = xyes; then
2317         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2318         if test x$PKG_CONFIG != xno; then
2319             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
2320             save_CFLAGS="$CFLAGS"
2321             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
2322             AC_CHECK_HEADER(ibus-1.0/ibus.h,
2323                             have_ibus_ibus_h_hdr=yes,
2324                             have_ibus_ibus_h_hdr=no)
2325             AC_CHECK_HEADER(sys/inotify.h,
2326                             have_inotify_inotify_h_hdr=yes,
2327                             have_inotify_inotify_h_hdr=no)
2328             CFLAGS="$save_CFLAGS"
2329             if test x$have_ibus_ibus_h_hdr = xyes; then
2330                 if test x$enable_dbus != xyes; then
2331                     AC_MSG_WARN([DBus support is required for IBus.])
2332                     have_ibus_ibus_h_hdr=no
2333                 elif test x$have_inotify_inotify_h_hdr != xyes; then
2334                     AC_MSG_WARN([INotify support is required for IBus.])
2335                     have_ibus_ibus_h_hdr=no
2336                 else
2337                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
2338                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
2339                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
2340                fi
2341             fi
2342         fi
2343     fi
2344 }
2345
2346 dnl See if we can use the Touchscreen input library
2347 CheckTslib()
2348 {
2349     AC_ARG_ENABLE(input-tslib,
2350 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
2351                   , enable_input_tslib=yes)
2352     if test x$enable_input_tslib = xyes; then
2353         AC_MSG_CHECKING(for Touchscreen library support)
2354         enable_input_tslib=no
2355         AC_TRY_COMPILE([
2356           #include "tslib.h"
2357         ],[
2358         ],[
2359         enable_input_tslib=yes
2360         ])
2361         AC_MSG_RESULT($enable_input_tslib)
2362         if test x$enable_input_tslib = xyes; then
2363             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
2364             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
2365             SUMMARY_input="${SUMMARY_input} ts"
2366         fi
2367     fi
2368 }
2369
2370 dnl See what type of thread model to use on Linux and Solaris
2371 CheckPTHREAD()
2372 {
2373     dnl Check for pthread support
2374     AC_ARG_ENABLE(pthreads,
2375 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
2376                   , enable_pthreads=yes)
2377     dnl This is used on Linux for glibc binary compatibility (Doh!)
2378     AC_ARG_ENABLE(pthread-sem,
2379 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
2380                   , enable_pthread_sem=yes)
2381     case "$host" in
2382          *-*-androideabi*)
2383             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2384             pthread_lib=""
2385             ;;
2386         *-*-linux*|*-*-uclinux*)
2387             pthread_cflags="-D_REENTRANT"
2388             pthread_lib="-lpthread"
2389             ;;
2390         *-*-bsdi*)
2391             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2392             pthread_lib=""
2393             ;;
2394         *-*-darwin*)
2395             pthread_cflags="-D_THREAD_SAFE"
2396 # causes Carbon.p complaints?
2397 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2398             ;;
2399         *-*-freebsd*|*-*-dragonfly*)
2400             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2401             pthread_lib="-pthread"
2402             ;;
2403         *-*-netbsd*)
2404             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2405             pthread_lib="-lpthread"
2406             ;;
2407         *-*-openbsd*)
2408             pthread_cflags="-D_REENTRANT"
2409             pthread_lib="-pthread"
2410             ;;
2411         *-*-solaris2.9)
2412             # From Solaris 9+, posix4's preferred name is rt.
2413             pthread_cflags="-D_REENTRANT"
2414             pthread_lib="-lpthread -lrt"
2415             ;;
2416         *-*-solaris2.10)
2417             # Solaris 10+ merged pthread into libc.
2418             pthread_cflags="-D_REENTRANT"
2419             pthread_lib="-lrt"
2420             ;;
2421         *-*-solaris*)
2422             # Solaris 11+ merged rt into libc.
2423             pthread_cflags="-D_REENTRANT"
2424             pthread_lib=""
2425             ;;
2426         *-*-sysv5*)
2427             pthread_cflags="-D_REENTRANT -Kthread"
2428             pthread_lib=""
2429             ;;
2430         *-*-aix*)
2431             pthread_cflags="-D_REENTRANT -mthreads"
2432             pthread_lib="-lpthread"
2433             ;;
2434         *-*-hpux11*)
2435             pthread_cflags="-D_REENTRANT"
2436             pthread_lib="-L/usr/lib -lpthread"
2437             ;;
2438         *-*-haiku*)
2439             pthread_cflags="-D_REENTRANT"
2440             pthread_lib=""
2441             ;;
2442         *)
2443             pthread_cflags="-D_REENTRANT"
2444             pthread_lib="-lpthread"
2445             ;;
2446     esac
2447     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
2448         # Save the original compiler flags and libraries
2449         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2450         # Add the pthread compiler flags and libraries
2451         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2452         # Check to see if we have pthread support on this system
2453         AC_MSG_CHECKING(for pthreads)
2454         use_pthreads=no
2455         AC_TRY_LINK([
2456          #include <pthread.h>
2457         ],[
2458          pthread_attr_t type;
2459          pthread_attr_init(&type);
2460         ],[
2461         use_pthreads=yes
2462         ])
2463         AC_MSG_RESULT($use_pthreads)
2464         # Restore the compiler flags and libraries
2465         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2466
2467         # Do futher testing if we have pthread support...
2468         if test x$use_pthreads = xyes; then
2469             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
2470             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
2471             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
2472             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
2473
2474             # Save the original compiler flags and libraries
2475             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2476             # Add the pthread compiler flags and libraries
2477             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2478
2479             # Check to see if recursive mutexes are available
2480             AC_MSG_CHECKING(for recursive mutexes)
2481             has_recursive_mutexes=no
2482             if test x$has_recursive_mutexes = xno; then
2483                 AC_TRY_LINK([
2484                   #define _GNU_SOURCE 1
2485                   #include <pthread.h>
2486                 ],[
2487                   pthread_mutexattr_t attr;
2488                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2489                 ],[
2490                 has_recursive_mutexes=yes
2491                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
2492                 ])
2493             fi
2494             if test x$has_recursive_mutexes = xno; then
2495                 AC_TRY_LINK([
2496                   #define _GNU_SOURCE 1
2497                   #include <pthread.h>
2498                 ],[
2499                   pthread_mutexattr_t attr;
2500                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
2501                 ],[
2502                 has_recursive_mutexes=yes
2503                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
2504                 ])
2505             fi
2506             AC_MSG_RESULT($has_recursive_mutexes)
2507
2508             # Check to see if pthread semaphore support is missing
2509             if test x$enable_pthread_sem = xyes; then
2510                 AC_MSG_CHECKING(for pthread semaphores)
2511                 have_pthread_sem=no
2512                 AC_TRY_COMPILE([
2513                   #include <pthread.h>
2514                   #include <semaphore.h>
2515                 ],[
2516                 ],[
2517                 have_pthread_sem=yes
2518                 ])
2519                 AC_MSG_RESULT($have_pthread_sem)
2520             fi
2521             if test x$have_pthread_sem = xyes; then
2522                 AC_MSG_CHECKING(for sem_timedwait)
2523                 have_sem_timedwait=no
2524                 AC_TRY_LINK([
2525                   #include <pthread.h>
2526                   #include <semaphore.h>
2527                 ],[
2528                   sem_timedwait(NULL, NULL);
2529                 ],[
2530                 have_sem_timedwait=yes
2531                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
2532                 ])
2533                 AC_MSG_RESULT($have_sem_timedwait)
2534             fi
2535
2536             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
2537             if test x$have_pthread_np_h = xyes; then
2538                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
2539             fi
2540
2541             # Check to see if pthread naming is available
2542             AC_MSG_CHECKING(for pthread_setname_np)
2543             AC_TRY_LINK_FUNC(pthread_setname_np, [
2544               has_pthread_setname_np=yes
2545               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
2546             ],[
2547               has_pthread_setname_np=no
2548             ])
2549             AC_MSG_RESULT($has_pthread_setname_np)
2550
2551             AC_MSG_CHECKING(for pthread_set_name_np)
2552             AC_TRY_LINK_FUNC(pthread_set_name_np, [
2553               has_pthread_set_name_np=yes
2554               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
2555             ],[
2556               has_pthread_set_name_np=no
2557             ])
2558             AC_MSG_RESULT($has_pthread_set_name_np)
2559
2560             # Restore the compiler flags and libraries
2561             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2562
2563             # Basic thread creation functions
2564             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
2565
2566             # Semaphores
2567             # We can fake these with mutexes and condition variables if necessary
2568             if test x$have_pthread_sem = xyes; then
2569                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
2570             else
2571                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
2572             fi
2573
2574             # Mutexes
2575             # We can fake these with semaphores if necessary
2576             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
2577
2578             # Condition variables
2579             # We can fake these with semaphores and mutexes if necessary
2580             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
2581
2582             # Thread local storage
2583             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
2584
2585             have_threads=yes
2586         fi
2587     fi
2588 }
2589
2590 dnl Determine whether the compiler can produce Windows executables
2591 CheckWINDOWS()
2592 {
2593     AC_MSG_CHECKING(Windows compiler)
2594     have_win32_gcc=no
2595     AC_TRY_COMPILE([
2596      #include <windows.h>
2597     ],[
2598     ],[
2599     have_win32_gcc=yes
2600     ])
2601     AC_MSG_RESULT($have_win32_gcc)
2602     if test x$have_win32_gcc != xyes; then
2603        AC_MSG_ERROR([
2604 *** Your compiler ($CC) does not produce Windows executables!
2605        ])
2606     fi
2607
2608     AC_MSG_CHECKING(Windows CE)
2609     have_wince=no
2610     AC_TRY_COMPILE([
2611 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
2612 #error This is not Windows CE
2613 #endif
2614     ],[
2615     ],[
2616     have_wince=yes
2617        AC_MSG_ERROR([
2618 *** Sorry, Windows CE is no longer supported.
2619        ])
2620     ])
2621     AC_MSG_RESULT($have_wince)
2622
2623     # This fixes Windows stack alignment with newer GCC
2624     CheckStackBoundary
2625 }
2626
2627 dnl Find the DirectX includes and libraries
2628 CheckDIRECTX()
2629 {
2630     AC_ARG_ENABLE(directx,
2631 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
2632                   , enable_directx=yes)
2633     if test x$enable_directx = xyes; then
2634         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
2635         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
2636         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
2637         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
2638         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
2639         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
2640         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
2641         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
2642
2643         if test x$have_ddraw = xyes; then
2644             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
2645         fi
2646         if test x$have_dinput = xyes; then
2647             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
2648         fi
2649         if test x$have_dsound = xyes; then
2650             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
2651         fi
2652         if test x$have_dxgi = xyes; then
2653             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
2654         fi
2655         if test x$have_xinput = xyes; then
2656             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
2657         fi
2658
2659         SUMMARY_video="${SUMMARY_video} directx"
2660         SUMMARY_audio="${SUMMARY_audio} directx"
2661
2662         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
2663         # FIXME:  ...so force it off for now.
2664         case "$host" in
2665             *-*-cygwin*)
2666             have_dinput=false
2667             ;;
2668         esac
2669     fi
2670 }
2671
2672 dnl Check for the dlfcn.h interface for dynamically loading objects
2673 CheckDLOPEN()
2674 {
2675     AC_ARG_ENABLE(sdl-dlopen,
2676 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
2677                   , enable_sdl_dlopen=yes)
2678     if test x$enable_sdl_dlopen = xyes; then
2679         AC_MSG_CHECKING(for dlopen)
2680         have_dlopen=no
2681         AC_TRY_COMPILE([
2682          #include <dlfcn.h>
2683         ],[
2684          void *handle = dlopen("", RTLD_NOW);
2685          const char *loaderror = (char *) dlerror();
2686         ],[
2687         have_dlopen=yes
2688         ])
2689         AC_MSG_RESULT($have_dlopen)
2690
2691         if test x$have_dlopen = xyes; then
2692             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
2693                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
2694                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
2695             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
2696             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
2697             have_loadso=yes
2698         fi
2699     fi
2700 }
2701
2702 dnl Check for the usbhid(3) library on *BSD
2703 CheckUSBHID()
2704 {
2705     case "$host" in
2706         *-*-*bsd*)
2707             if test x$enable_joystick = xyes; then
2708                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
2709                 if test x$have_libusbhid = xyes; then
2710                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
2711                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
2712                     USB_LIBS="$USB_LIBS -lusbhid"
2713                 else
2714                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
2715                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
2716                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
2717                 fi
2718
2719                 save_CFLAGS="$CFLAGS"
2720                 CFLAGS="$CFLAGS $USB_CFLAGS"
2721
2722                 AC_MSG_CHECKING(for usbhid)
2723                 have_usbhid=no
2724                 AC_TRY_COMPILE([
2725                   #include <sys/types.h>
2726                   #if defined(HAVE_USB_H)
2727                   #include <usb.h>
2728                   #endif
2729                   #ifdef __DragonFly__
2730                   # include <bus/usb/usb.h>
2731                   # include <bus/usb/usbhid.h>
2732                   #else
2733                   # include <dev/usb/usb.h>
2734                   # include <dev/usb/usbhid.h>
2735                   #endif
2736                   #if defined(HAVE_USBHID_H)
2737                   #include <usbhid.h>
2738                   #elif defined(HAVE_LIBUSB_H)
2739                   #include <libusb.h>
2740                   #elif defined(HAVE_LIBUSBHID_H)
2741                   #include <libusbhid.h>
2742                   #endif
2743                 ],[
2744                   struct report_desc *repdesc;
2745                   struct usb_ctl_report *repbuf;
2746                   hid_kind_t hidkind;
2747                 ],[
2748                 have_usbhid=yes
2749                 ])
2750                 AC_MSG_RESULT($have_usbhid)
2751
2752                 if test x$have_usbhid = xyes; then
2753                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
2754                     have_usbhid_ucr_data=no
2755                     AC_TRY_COMPILE([
2756                       #include <sys/types.h>
2757                       #if defined(HAVE_USB_H)
2758                       #include <usb.h>
2759                       #endif
2760                       #ifdef __DragonFly__
2761                       # include <bus/usb/usb.h>
2762                       # include <bus/usb/usbhid.h>
2763                       #else
2764                       # include <dev/usb/usb.h>
2765                       # include <dev/usb/usbhid.h>
2766                       #endif
2767                       #if defined(HAVE_USBHID_H)
2768                       #include <usbhid.h>
2769                       #elif defined(HAVE_LIBUSB_H)
2770                       #include <libusb.h>
2771                       #elif defined(HAVE_LIBUSBHID_H)
2772                       #include <libusbhid.h>
2773                       #endif
2774                     ],[
2775                       struct usb_ctl_report buf;
2776                       if (buf.ucr_data) { }
2777                     ],[
2778                     have_usbhid_ucr_data=yes
2779                     ])
2780                     if test x$have_usbhid_ucr_data = xyes; then
2781                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
2782                     fi
2783                     AC_MSG_RESULT($have_usbhid_ucr_data)
2784
2785                     AC_MSG_CHECKING(for new usbhid API)
2786                     have_usbhid_new=no
2787                     AC_TRY_COMPILE([
2788                       #include <sys/types.h>
2789                       #if defined(HAVE_USB_H)
2790                       #include <usb.h>
2791                       #endif
2792                       #ifdef __DragonFly__
2793                       #include <bus/usb/usb.h>
2794                       #include <bus/usb/usbhid.h>
2795                       #else
2796                       #include <dev/usb/usb.h>
2797                       #include <dev/usb/usbhid.h>
2798                       #endif
2799                       #if defined(HAVE_USBHID_H)
2800                       #include <usbhid.h>
2801                       #elif defined(HAVE_LIBUSB_H)
2802                       #include <libusb.h>
2803                       #elif defined(HAVE_LIBUSBHID_H)
2804                       #include <libusbhid.h>
2805                       #endif
2806                     ],[
2807                       report_desc_t d;
2808                       hid_start_parse(d, 1, 1);
2809                     ],[
2810                     have_usbhid_new=yes
2811                     ])
2812                     if test x$have_usbhid_new = xyes; then
2813                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
2814                     fi
2815                     AC_MSG_RESULT($have_usbhid_new)
2816
2817                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
2818                     have_machine_joystick=no
2819                     AC_TRY_COMPILE([
2820                       #include <machine/joystick.h>
2821                     ],[
2822                       struct joystick t;
2823                     ],[
2824                     have_machine_joystick=yes
2825                     ])
2826                     if test x$have_machine_joystick = xyes; then
2827                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
2828                     fi
2829                     AC_MSG_RESULT($have_machine_joystick)
2830
2831                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
2832                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
2833                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
2834                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
2835                     have_joystick=yes
2836                 fi
2837                 CFLAGS="$save_CFLAGS"
2838             fi
2839         ;;
2840     esac
2841 }
2842
2843 dnl Check for clock_gettime()
2844 CheckClockGettime()
2845 {
2846     AC_ARG_ENABLE(clock_gettime,
2847 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
2848                   , enable_clock_gettime=yes)
2849     if test x$enable_clock_gettime = xyes; then
2850         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
2851         if test x$have_clock_gettime = xyes; then
2852             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2853             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
2854         else
2855             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
2856             if test x$have_clock_gettime = xyes; then
2857                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2858                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
2859             fi
2860         fi
2861     fi
2862 }
2863
2864 dnl Check for a valid linux/version.h
2865 CheckLinuxVersion()
2866 {
2867     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
2868     if test x$have_linux_version_h = xyes; then
2869         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
2870     fi
2871 }
2872
2873 dnl Check if we want to use RPATH
2874 CheckRPATH()
2875 {
2876     AC_ARG_ENABLE(rpath,
2877 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
2878                   , enable_rpath=yes)
2879 }
2880
2881 dnl Set up the configuration based on the host platform!
2882 case "$host" in
2883     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
2884         case "$host" in
2885             *-raspberry-linux*)
2886                 # Raspberry Pi
2887                 ARCH=linux
2888                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
2889                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2890                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2891                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2892                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
2893
2894                 if test x$enable_video = xyes; then
2895                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2896                     # FIXME: confdefs? Not AC_DEFINE?
2897                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2898                     SUMMARY_video="${SUMMARY_video} rpi"
2899                 fi
2900                 ;;
2901             *-*-androideabi*)
2902                 # Android
2903                 ARCH=android
2904                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
2905                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
2906                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
2907                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
2908                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
2909
2910                 if test x$enable_video = xyes; then
2911                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
2912                     # FIXME: confdefs? Not AC_DEFINE?
2913                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
2914                     SUMMARY_video="${SUMMARY_video} android"
2915                 fi
2916                 ;;
2917             *-*-linux*)         ARCH=linux ;;
2918             *-*-uclinux*)       ARCH=linux ;;
2919             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
2920             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
2921             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
2922             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
2923             *-*-bsdi*)          ARCH=bsdi ;;
2924             *-*-freebsd*)       ARCH=freebsd ;;
2925             *-*-dragonfly*)     ARCH=freebsd ;;
2926             *-raspberry-netbsd*)
2927                 # Raspberry Pi
2928                 ARCH=netbsd
2929                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
2930                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2931                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2932                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2933                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
2934
2935                 if test x$enable_video = xyes; then
2936                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2937                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2938                     SUMMARY_video="${SUMMARY_video} raspberry"
2939                 fi
2940                 ;;
2941             *-*-netbsd*)        ARCH=netbsd ;;
2942             *-*-openbsd*)       ARCH=openbsd ;;
2943             *-*-sysv5*)         ARCH=sysv5 ;;
2944             *-*-solaris*)       ARCH=solaris ;;
2945             *-*-hpux*)          ARCH=hpux ;;
2946             *-*-aix*)           ARCH=aix ;;
2947             *-*-minix*)         ARCH=minix ;;
2948         esac
2949         CheckVisibilityHidden
2950         CheckDummyVideo
2951         CheckDiskAudio
2952         CheckDummyAudio
2953         CheckDLOPEN
2954         CheckOSS
2955         CheckALSA
2956         CheckPulseAudio
2957         CheckARTSC
2958         CheckESD
2959         CheckNAS
2960         CheckSNDIO
2961         CheckX11
2962         CheckDirectFB
2963         CheckFusionSound
2964         CheckOpenGLX11
2965         CheckOpenGLESX11
2966         CheckVulkanTizen
2967         CheckMir
2968         CheckWayland
2969         CheckTizen
2970         CheckLibUDev
2971         CheckDBus
2972         CheckIBus
2973         case $ARCH in
2974           linux)
2975               CheckInputEvents
2976               CheckInputKD
2977           ;;
2978         esac
2979         CheckTslib
2980         CheckUSBHID
2981         CheckPTHREAD
2982         CheckClockGettime
2983         CheckLinuxVersion
2984         CheckRPATH
2985         CheckVivanteVideo
2986         # Set up files for the audio library
2987         if test x$enable_audio = xyes; then
2988           case $ARCH in
2989             sysv5|solaris|hpux)
2990                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
2991                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
2992                 have_audio=yes
2993             ;;
2994             netbsd)  # Don't use this on OpenBSD, it's busted.
2995                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
2996                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
2997                 have_audio=yes
2998             ;;
2999             aix)
3000                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
3001                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
3002                 have_audio=yes
3003             ;;
3004             android)
3005                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
3006                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
3007                 SUMMARY_audio="${SUMMARY_audio} android"
3008                 have_audio=yes
3009             ;;
3010           esac
3011         fi
3012         # Set up files for the joystick library
3013         if test x$enable_joystick = xyes; then
3014           case $ARCH in
3015             linux)
3016                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
3017                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
3018                 have_joystick=yes
3019             ;;
3020             android)
3021                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
3022                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
3023                 have_joystick=yes
3024             ;;
3025           esac
3026         fi
3027         # Set up files for the haptic library
3028         if test x$enable_haptic = xyes; then
3029            if test x$use_input_events = xyes; then
3030              case $ARCH in
3031                linux)
3032                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
3033                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
3034                    have_haptic=yes
3035                ;;
3036              esac
3037            fi
3038         fi
3039         # Set up files for the power library
3040         if test x$enable_power = xyes; then
3041              case $ARCH in
3042                linux)
3043                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
3044                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
3045                    have_power=yes
3046                ;;
3047                android)
3048                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
3049                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
3050                    have_power=yes
3051                ;;
3052              esac
3053         fi
3054         # Set up files for the filesystem library
3055         if test x$enable_filesystem = xyes; then
3056              case $ARCH in
3057                android)
3058                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
3059                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
3060                    have_filesystem=yes
3061                ;;
3062                *)
3063                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
3064                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
3065                    have_filesystem=yes
3066                ;;
3067              esac
3068         fi
3069         # Set up files for the timer library
3070         if test x$enable_timers = xyes; then
3071             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3072             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3073             have_timers=yes
3074         fi
3075         # Set up files for udev hotplugging support
3076         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
3077             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"
3078         fi
3079         # Set up files for evdev input
3080         if test x$use_input_events = xyes; then
3081             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
3082         fi
3083         ;;
3084     *-*-cygwin* | *-*-mingw32*)
3085         ARCH=win32
3086         if test "$build" != "$host"; then # cross-compiling
3087             # Default cross-compile location
3088             ac_default_prefix=/usr/local/cross-tools/$host
3089         else
3090             # Look for the location of the tools and install there
3091             if test "$BUILD_PREFIX" != ""; then
3092                 ac_default_prefix=$BUILD_PREFIX
3093             fi
3094         fi
3095         CheckDummyVideo
3096         CheckDiskAudio
3097         CheckDummyAudio
3098         CheckWINDOWS
3099         CheckWINDOWSGL
3100         CheckWINDOWSGLES
3101         CheckDIRECTX
3102
3103         # Set up the core platform files
3104         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
3105
3106         # Set up files for the video library
3107         if test x$enable_video = xyes; then
3108             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
3109             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
3110             have_video=yes
3111             AC_ARG_ENABLE(render-d3d,
3112 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
3113                                 , enable_render_d3d=yes)
3114             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
3115                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
3116             fi
3117             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
3118                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
3119             fi
3120         fi
3121         # Set up files for the audio library
3122         if test x$enable_audio = xyes; then
3123             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
3124             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
3125             if test x$have_dsound = xyes; then
3126                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
3127                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
3128             fi
3129             if test x$have_xaudio2 = xyes; then
3130                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
3131                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
3132             fi
3133             have_audio=yes
3134         fi
3135         # Set up files for the joystick library
3136         if test x$enable_joystick = xyes; then
3137             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3138                 if test x$have_xinput = xyes; then
3139                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
3140                 fi
3141                 if test x$have_dinput = xyes; then
3142                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
3143                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
3144                 fi
3145             else
3146                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
3147             fi
3148             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
3149             have_joystick=yes
3150         fi
3151         if test x$enable_haptic = xyes; then
3152             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3153                 if test x$have_xinput = xyes; then
3154                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
3155                 fi
3156                 if test x$have_dinput = xyes; then
3157                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
3158                 fi
3159                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
3160                 have_haptic=yes
3161             fi
3162         fi
3163         if test x$enable_power = xyes; then
3164             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
3165             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
3166             have_power=yes
3167         fi
3168         if test x$enable_filesystem = xyes; then
3169             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
3170             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
3171             have_filesystem=yes
3172         fi
3173         # Set up files for the thread library
3174         if test x$enable_threads = xyes; then
3175             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
3176             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
3177             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
3178             have_threads=yes
3179         fi
3180         # Set up files for the timer library
3181         if test x$enable_timers = xyes; then
3182             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
3183             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
3184             have_timers=yes
3185         fi
3186         # Set up files for the shared object loading library
3187         if test x$enable_loadso = xyes; then
3188             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
3189             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
3190             have_loadso=yes
3191         fi
3192         # Set up the system libraries we need
3193         if test -f /lib/w32api/libuuid.a; then
3194             LIBUUID=/lib/w32api/libuuid.a
3195         else
3196             LIBUUID=-luuid
3197         fi
3198         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
3199         # The Windows platform requires special setup
3200         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
3201         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
3202         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
3203         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
3204
3205         # Check to see if this is a mingw or cygwin build
3206         have_mingw32=
3207         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
3208         if test x$have_mingw32 = xyes; then
3209             SDL_LIBS="-lmingw32 $SDL_LIBS"
3210         else
3211             SDL_LIBS="-lcygwin $SDL_LIBS"
3212         fi
3213         ;;
3214
3215     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
3216     *-*-beos*)
3217         AC_MSG_ERROR([
3218 *** BeOS support has been removed as of SDL 2.0.2.
3219         ])
3220         ;;
3221
3222     *-*-haiku*)
3223         ARCH=haiku
3224         ac_default_prefix=/boot/system
3225         CheckDummyVideo
3226         CheckDiskAudio
3227         CheckDummyAudio
3228         CheckHaikuVideo
3229         CheckHaikuGL
3230         CheckPTHREAD
3231
3232         # Set up files for the audio library
3233         if test x$enable_audio = xyes; then
3234             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
3235             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
3236             have_audio=yes
3237         fi
3238         # Set up files for the joystick library
3239         if test x$enable_joystick = xyes; then
3240             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
3241             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
3242             have_joystick=yes
3243         fi
3244         # Set up files for the timer library
3245         if test x$enable_timers = xyes; then
3246             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
3247             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
3248             have_timers=yes
3249         fi
3250         # Set up files for the shared object loading library
3251         if test x$enable_loadso = xyes; then
3252             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
3253             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
3254             have_loadso=yes
3255         fi
3256         # Set up files for the system power library
3257         if test x$enable_power = xyes; then
3258             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
3259             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
3260             have_power=yes
3261         fi
3262         # Set up files for the system filesystem library
3263         if test x$enable_filesystem = xyes; then
3264             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
3265             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
3266             have_filesystem=yes
3267         fi
3268         # The Haiku platform requires special setup.
3269         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
3270         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
3271         ;;
3272     arm*-apple-darwin*)
3273         # iOS - We are not writing anything to confdefs.h because you have to replace
3274         # SDL_config.h for SDL_config_iphoneos.h anyway
3275         ARCH=ios
3276
3277         CheckVisibilityHidden
3278         CheckDummyVideo
3279         CheckDiskAudio
3280         CheckDummyAudio
3281         CheckDLOPEN
3282         CheckCOCOA
3283         CheckPTHREAD
3284
3285
3286         # Set up files for the audio library
3287         if test x$enable_audio = xyes; then
3288             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3289             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3290             have_audio=yes
3291         fi
3292         # Set up files for the joystick library
3293         if test x$enable_joystick = xyes; then
3294             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
3295             have_joystick=yes
3296         fi
3297         # Set up files for the haptic library
3298         #if test x$enable_haptic = xyes; then
3299         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3300         #    have_haptic=yes
3301         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3302         #fi
3303         # Set up files for the power library
3304         if test x$enable_power = xyes; then
3305             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
3306             have_power=yes
3307         fi
3308         # Set up files for the filesystem library
3309         if test x$enable_filesystem = xyes; then
3310             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3311             have_filesystem=yes
3312         fi
3313         # Set up files for the timer library
3314         if test x$enable_timers = xyes; then
3315             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3316             have_timers=yes
3317         fi
3318         # Set up additional files for the file library
3319         if test x$enable_file = xyes; then
3320             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3321         fi
3322         # The iOS platform requires special setup.
3323         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
3324         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3325         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
3326         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
3327         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
3328         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
3329         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
3330         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
3331         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
3332         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
3333         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
3334         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
3335         ;;
3336     *-*-darwin* )
3337         # This could be either full "Mac OS X", or plain "Darwin" which is
3338         # just the OS X kernel sans upper layers like Carbon and Cocoa.
3339         # Next line is broken, and a few files below require Mac OS X (full)
3340         ARCH=macosx
3341
3342         # Mac OS X builds with both the Carbon and OSX APIs at the moment
3343         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
3344         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
3345
3346         CheckVisibilityHidden
3347         CheckDummyVideo
3348         CheckDiskAudio
3349         CheckDummyAudio
3350         CheckDLOPEN
3351         CheckCOCOA
3352         CheckX11
3353         CheckMacGL
3354         CheckOpenGLX11
3355         CheckPTHREAD
3356
3357         # Set up files for the audio library
3358         if test x$enable_audio = xyes; then
3359             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
3360             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3361             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3362             have_audio=yes
3363         fi
3364         # Set up files for the joystick library
3365         if test x$enable_joystick = xyes; then
3366             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
3367             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
3368             have_joystick=yes
3369         fi
3370         # Set up files for the haptic library
3371         if test x$enable_haptic = xyes; then
3372             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
3373             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3374             have_haptic=yes
3375             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3376         fi
3377         # Set up files for the power library
3378         if test x$enable_power = xyes; then
3379             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
3380             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
3381             have_power=yes
3382         fi
3383         # Set up files for the filesystem library
3384         if test x$enable_filesystem = xyes; then
3385             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
3386             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3387             have_filesystem=yes
3388         fi
3389         # Set up files for the timer library
3390         if test x$enable_timers = xyes; then
3391             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3392             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3393             have_timers=yes
3394         fi
3395         # Set up additional files for the file library
3396         if test x$enable_file = xyes; then
3397             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3398         fi
3399         # The Mac OS X platform requires special setup.
3400         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3401         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
3402         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
3403         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
3404         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
3405         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
3406         # If audio is used, add the AudioUnit framework
3407         if test x$enable_audio = xyes; then
3408             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
3409         fi
3410         ;;
3411     *-nacl|*-pnacl)
3412         ARCH=nacl
3413         CheckNativeClient
3414         CheckDummyAudio
3415         CheckDummyVideo
3416         CheckInputEvents
3417         CheckPTHREAD
3418
3419         # Set up files for the timer library
3420         if test x$enable_timers = xyes; then
3421             AC_DEFINE(SDL_TIMER_UNIX)
3422             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3423             have_timers=yes
3424         fi
3425
3426         if test x$enable_filesystem = xyes; then
3427             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
3428             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
3429             have_filesystem=yes
3430         fi
3431         ;;
3432     *-*-emscripten* )
3433         if test x$enable_video = xyes; then
3434             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
3435             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
3436             have_video=yes
3437             SUMMARY_video="${SUMMARY_video} emscripten"
3438         fi
3439
3440         if test x$enable_audio = xyes; then
3441             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
3442             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
3443             have_audio=yes
3444             SUMMARY_audio="${SUMMARY_audio} emscripten"
3445         fi
3446
3447         CheckVisibilityHidden
3448         CheckDummyVideo
3449         CheckDiskAudio
3450         CheckDummyAudio
3451         CheckDLOPEN
3452         CheckClockGettime
3453         CheckEmscriptenGLES
3454
3455          # Set up files for the power library
3456         if test x$enable_power = xyes; then
3457             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
3458             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
3459             have_power=yes
3460         fi
3461
3462         # Set up files for the power library
3463         if test x$enable_joystick = xyes; then
3464             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
3465             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
3466             have_joystick=yes
3467         fi
3468
3469         # Set up files for the filesystem library
3470         if test x$enable_filesystem = xyes; then
3471             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
3472             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
3473             have_filesystem=yes
3474         fi
3475         # Set up files for the timer library
3476         if test x$enable_timers = xyes; then
3477             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3478             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3479             have_timers=yes
3480         fi
3481         ;;
3482     *)
3483         AC_MSG_ERROR([
3484 *** Unsupported host:  Please add to configure.in
3485         ])
3486         ;;
3487 esac
3488
3489 dnl Do this on all platforms, after everything else.
3490 CheckWarnAll
3491
3492 # Verify that we have all the platform specific files we need
3493
3494 if test x$have_joystick != xyes; then
3495     if test x$enable_joystick = xyes; then
3496         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
3497     fi
3498     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
3499 fi
3500 if test x$have_haptic != xyes; then
3501     if test x$enable_haptic = xyes; then
3502         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
3503     fi
3504     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
3505 fi
3506 if test x$have_threads != xyes; then
3507     if test x$enable_threads = xyes; then
3508         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
3509     fi
3510     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
3511 fi
3512 if test x$have_timers != xyes; then
3513     if test x$enable_timers = xyes; then
3514         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
3515     fi
3516     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
3517 fi
3518 if test x$have_filesystem != xyes; then
3519     if test x$enable_filesystem = xyes; then
3520         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
3521     fi
3522     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
3523 fi
3524 if test x$have_loadso != xyes; then
3525     if test x$enable_loadso = xyes; then
3526         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
3527     fi
3528     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
3529 fi
3530 if test x$SDLMAIN_SOURCES = x; then
3531     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
3532 fi
3533 SDLTEST_SOURCES="$srcdir/src/test/*.c"
3534
3535 OBJECTS=`echo $SOURCES`
3536 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
3537 for EXT in asm cc m c S; do
3538     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
3539     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
3540 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
3541         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3542 done
3543
3544 VERSION_OBJECTS=`echo $VERSION_SOURCES`
3545 VERSION_DEPENDS=`echo $VERSION_SOURCES`
3546 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
3547 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
3548 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
3549         \\$(WINDRES) \\$< \\$@,g"`
3550
3551 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
3552 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
3553 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3554 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3555 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3556         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3557
3558 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
3559 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
3560 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3561 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3562 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3563         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3564
3565 # Set runtime shared library paths as needed
3566
3567 if test "x$enable_rpath" = "xyes"; then
3568   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
3569     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
3570   fi
3571   if test $ARCH = solaris; then
3572     SDL_RLD_FLAGS="-R\${libdir}"
3573   fi
3574 else
3575   SDL_RLD_FLAGS=""
3576 fi
3577
3578 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
3579
3580 dnl Expand the cflags and libraries needed by apps using SDL
3581 AC_SUBST(SDL_CFLAGS)
3582 AC_SUBST(SDL_LIBS)
3583 AC_SUBST(SDL_STATIC_LIBS)
3584 AC_SUBST(SDL_RLD_FLAGS)
3585 if test x$enable_shared = xyes; then
3586     ENABLE_SHARED_TRUE=
3587     ENABLE_SHARED_FALSE="#"
3588 else
3589     ENABLE_SHARED_TRUE="#"
3590     ENABLE_SHARED_FALSE=
3591 fi
3592 if test x$enable_static = xyes; then
3593     ENABLE_STATIC_TRUE=
3594     ENABLE_STATIC_FALSE="#"
3595 else
3596     ENABLE_STATIC_TRUE="#"
3597     ENABLE_STATIC_FALSE=
3598 fi
3599 AC_SUBST(ENABLE_SHARED_TRUE)
3600 AC_SUBST(ENABLE_SHARED_FALSE)
3601 AC_SUBST(ENABLE_STATIC_TRUE)
3602 AC_SUBST(ENABLE_STATIC_FALSE)
3603
3604 dnl Expand the sources and objects needed to build the library
3605 AC_SUBST(ac_aux_dir)
3606 AC_SUBST(INCLUDE)
3607 AC_SUBST(OBJECTS)
3608 AC_SUBST(VERSION_OBJECTS)
3609 AC_SUBST(SDLMAIN_OBJECTS)
3610 AC_SUBST(SDLTEST_OBJECTS)
3611 AC_SUBST(BUILD_CFLAGS)
3612 AC_SUBST(EXTRA_CFLAGS)
3613 AC_SUBST(BUILD_LDFLAGS)
3614 AC_SUBST(EXTRA_LDFLAGS)
3615 AC_SUBST(WINDRES)
3616
3617 cat >Makefile.rules <<__EOF__
3618
3619 # Build rules for objects
3620 -include \$(OBJECTS:.lo=.d)
3621
3622 # Special dependency for SDL.c, since it depends on SDL_revision.h
3623 $srcdir/src/SDL.c: update-revision
3624 $DEPENDS
3625 $VERSION_DEPENDS
3626 $SDLMAIN_DEPENDS
3627 $SDLTEST_DEPENDS
3628 __EOF__
3629
3630 AC_CONFIG_FILES([
3631     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
3632 ])
3633 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
3634
3635 SUMMARY="SDL2 Configure Summary:\n"
3636 if test x$enable_shared = xyes; then
3637     SUMMARY="${SUMMARY}Building Shared Libraries\n"
3638 fi
3639 if test x$enable_static = xyes; then
3640     SUMMARY="${SUMMARY}Building Static Libraries\n"
3641 fi
3642 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
3643 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"
3644 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
3645 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
3646 if test x$have_x = xyes; then
3647     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
3648 fi
3649 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
3650 if test x$enable_libudev = xyes; then
3651     SUMMARY="${SUMMARY}Using libudev   : YES\n"
3652 else
3653     SUMMARY="${SUMMARY}Using libudev   : NO\n"
3654 fi
3655 if test x$have_dbus_dbus_h_hdr = xyes; then
3656     SUMMARY="${SUMMARY}Using dbus      : YES\n"
3657 else
3658     SUMMARY="${SUMMARY}Using dbus      : NO\n"
3659 fi
3660 if test x$have_ibus_ibus_h_hdr = xyes; then
3661     SUMMARY="${SUMMARY}Using ibus      : YES\n"
3662 else
3663     SUMMARY="${SUMMARY}Using ibus      : NO\n"
3664 fi
3665 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
3666
3667 AC_OUTPUT