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 $PKG_CONFIG --exists wayland-client wayland-egl ecore ecore-wayland evas eina appcore-efl dlog; then
1273                 TIZEN_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl ecore ecore-wayland evas eina appcore-efl dlog`
1274                 TIZEN_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl ecore ecore-wayland evas eina appcore-efl dlog`
1275                 video_tizen=yes
1276             fi
1277         fi
1278         AC_MSG_RESULT($video_tizen)
1279
1280         if test x$video_tizen = xyes; then
1281             AC_DEFINE(SDL_VIDEO_DRIVER_TIZEN, 1, [ ])
1282             SOURCES="$SOURCES $srcdir/src/video/tizen/*.c"
1283
1284             SDLMAIN_SOURCES="$srcdir/src/main/tizen/*.c"
1285             EXTRA_CFLAGS="$EXTRA_CFLAGS $TIZEN_CFLAGS -DTIZEN"
1286
1287             EXTRA_CFLAGS="$EXTRA_CFLAGS $TIZEN_CFLAGS"
1288             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $TIZEN_LIBS"
1289             SUMMARY_video="${SUMMARY_video} tizen"
1290             have_video=yes
1291         fi
1292     fi
1293 }
1294
1295 dnl Check for Mir
1296 CheckMir()
1297 {
1298     AC_ARG_ENABLE(video-mir,
1299 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
1300                   ,enable_video_mir=yes)
1301
1302     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
1303         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1304         AC_MSG_CHECKING(for Mir support)
1305         video_mir=no
1306         if test x$PKG_CONFIG != xno; then
1307             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
1308                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
1309                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
1310                 save_CFLAGS="$CFLAGS"
1311                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
1312
1313                 dnl This will disable Mir on Ubuntu < 14.04
1314                 AC_TRY_COMPILE([
1315                 #include <mir_toolkit/mir_client_library.h>
1316                 ],[
1317                     MirMotionToolType tool = mir_motion_tool_type_mouse;
1318                 ],[
1319                 video_mir=yes
1320                 ])
1321                 CFLAGS="$save_CFLAGS"
1322             fi
1323         fi
1324         AC_MSG_RESULT($video_mir)
1325
1326         if test x$video_mir = xyes; then
1327             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
1328             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
1329             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
1330             AC_ARG_ENABLE(mir-shared,
1331 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
1332                           , enable_mir_shared=maybe)
1333
1334             dnl FIXME: Do BSD and OS X need special cases?
1335             case "$host" in
1336                 *)
1337                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1338                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1339                     ;;
1340             esac
1341
1342             if test x$enable_mir_shared = xmaybe; then
1343                 enable_mir_shared=yes
1344             fi
1345             if test x$have_loadso != xyes && \
1346                test x$enable_mir_shared = xyes; then
1347                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
1348                 enable_mir_shared=no
1349             fi
1350             if test x$have_loadso = xyes && \
1351                test x$enable_mir_shared = xyes && \
1352                test x$mirclient_lib != x && \
1353                test x$xkbcommon_lib != x; then
1354                 echo "-- dynamic libmirclient -> $mirclient_lib"
1355                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
1356                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
1357                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
1358                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
1359             else
1360                 enable_mir_shared=no
1361                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
1362                 SUMMARY_video="${SUMMARY_video} mir"
1363             fi
1364             have_video=yes
1365         fi
1366     fi
1367 }
1368
1369 dnl Check for Native Client stuff
1370 CheckNativeClient()
1371 {
1372         AC_TRY_COMPILE([
1373           #if !defined(__native_client__)
1374           #error "NO NACL"
1375           #endif
1376         ],[
1377         ],[
1378         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
1379         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
1380         AC_DEFINE(HAVE_POW, 1, [ ])
1381         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
1382         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
1383         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
1384
1385         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
1386
1387         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
1388         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
1389         SUMMARY_audio="${SUMMARY_audio} nacl"
1390         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
1391         SUMMARY_video="${SUMMARY_video} nacl opengles2"
1392         ])
1393 }
1394
1395
1396 dnl Find the X11 include and library directories
1397 CheckX11()
1398 {
1399
1400
1401     AC_ARG_ENABLE(video-x11,
1402 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
1403                   , enable_video_x11=yes)
1404     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
1405         case "$host" in
1406             *-*-darwin*)
1407                 # This isn't necessary for X11, but fixes GLX detection
1408                 if test "x$x_includes" = xNONE && \
1409                    test "x$x_libraries" = xNONE && \
1410                    test -d /usr/X11R6/include && \
1411                    test -d /usr/X11R6/lib; then
1412                     x_includes="/usr/X11R6/include"
1413                     x_libraries="/usr/X11R6/lib"
1414                 fi
1415                 ;;
1416         esac
1417         AC_PATH_X
1418         AC_PATH_XTRA
1419         if test x$have_x = xyes; then
1420             AC_ARG_ENABLE(x11-shared,
1421 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
1422                           , enable_x11_shared=maybe)
1423
1424             case "$host" in
1425                 *-*-darwin*)
1426                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
1427                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
1428                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
1429                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
1430                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
1431                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
1432                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
1433                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
1434                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
1435                     ;;
1436                 *-*-openbsd*)
1437                     x11_lib='libX11.so'
1438                     x11ext_lib='libXext.so'
1439                     xcursor_lib='libXcursor.so'
1440                     xinerama_lib='libXinerama.so'
1441                     xinput_lib='libXi.so'
1442                     xrandr_lib='libXrandr.so'
1443                     xrender_lib='libXrender.so'
1444                     xss_lib='libXss.so'
1445                     xvidmode_lib='libXxf86vm.so'
1446                     ;;
1447                 *)
1448                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1449                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1450                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1451                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1452                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1453                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1454                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1455                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1456                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1457                     ;;
1458             esac
1459
1460             if test x$ac_cv_func_shmat != xyes; then
1461                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
1462             fi
1463             CFLAGS="$CFLAGS $X_CFLAGS"
1464             LDFLAGS="$LDFLAGS $X_LIBS"
1465
1466             AC_CHECK_HEADER(X11/extensions/Xext.h,
1467                             have_xext_h_hdr=yes,
1468                             have_xext_h_hdr=no,
1469                             [#include <X11/Xlib.h>
1470                              #include <X11/Xproto.h>
1471                             ])
1472             if test x$have_xext_h_hdr != xyes; then
1473                AC_MSG_ERROR([
1474 *** Missing Xext.h, maybe you need to install the libxext-dev package?
1475                ])
1476             fi
1477
1478             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
1479             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
1480             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
1481
1482             # Needed so SDL applications can include SDL_syswm.h
1483             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
1484
1485             if test x$enable_x11_shared = xmaybe; then
1486                 enable_x11_shared=yes
1487             fi
1488             if test x$have_loadso != xyes && \
1489                test x$enable_x11_shared = xyes; then
1490                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
1491                 enable_x11_shared=no
1492             fi
1493             if test x$have_loadso = xyes && \
1494                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
1495                 echo "-- dynamic libX11 -> $x11_lib"
1496                 echo "-- dynamic libX11ext -> $x11ext_lib"
1497                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
1498                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
1499                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
1500             else
1501                 enable_x11_shared=no
1502                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
1503                 SUMMARY_video="${SUMMARY_video} x11"
1504             fi
1505             have_video=yes
1506
1507             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
1508             have_const_param_XextAddDisplay=no
1509             AC_TRY_COMPILE([
1510               #include <X11/Xlib.h>
1511               #include <X11/Xproto.h>
1512               #include <X11/extensions/Xext.h>
1513               #include <X11/extensions/extutil.h>
1514               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
1515             ],[
1516             ],[
1517             have_const_param_XextAddDisplay=yes
1518             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
1519             ])
1520             AC_MSG_RESULT($have_const_param_XextAddDisplay)
1521
1522             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
1523             AC_MSG_CHECKING([for XGenericEvent])
1524             have_XGenericEvent=no
1525             AC_TRY_COMPILE([
1526                 #include <X11/Xlib.h>
1527             ],[
1528 Display *display;
1529 XEvent event;
1530 XGenericEventCookie *cookie = &event.xcookie;
1531 XNextEvent(display, &event);
1532 XGetEventData(display, cookie);
1533 XFreeEventData(display, cookie);
1534             ],[
1535                 have_XGenericEvent=yes
1536                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
1537             ])
1538             AC_MSG_RESULT($have_XGenericEvent)
1539
1540             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
1541
1542             AC_ARG_ENABLE(video-x11-xcursor,
1543 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
1544                             , enable_video_x11_xcursor=yes)
1545             if test x$enable_video_x11_xcursor = xyes; then
1546                 definitely_enable_video_x11_xcursor=no
1547                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
1548                                 have_xcursor_h_hdr=yes,
1549                                 have_xcursor_h_hdr=no,
1550                                 [#include <X11/Xlib.h>
1551                                 ])
1552                 if test x$have_xcursor_h_hdr = xyes; then
1553                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
1554                         echo "-- dynamic libXcursor -> $xcursor_lib"
1555                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
1556                         definitely_enable_video_x11_xcursor=yes
1557                     else
1558                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
1559                         if test x$have_xcursor_lib = xyes ; then
1560                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
1561                             definitely_enable_video_x11_xcursor=yes
1562                         fi
1563                     fi
1564                 fi
1565             fi
1566             if test x$definitely_enable_video_x11_xcursor = xyes; then
1567                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
1568                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
1569             fi
1570             AC_ARG_ENABLE(video-x11-xdbe,
1571 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
1572                             , enable_video_x11_xdbe=yes)
1573             if test x$enable_video_x11_xdbe = xyes; then
1574                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
1575                                 have_dbe_h_hdr=yes,
1576                                 have_dbe_h_hdr=no,
1577                                 [#include <X11/Xlib.h>
1578                                 ])
1579                 if test x$have_dbe_h_hdr = xyes; then
1580                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
1581                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
1582                 fi
1583             fi
1584             AC_ARG_ENABLE(video-x11-xinerama,
1585 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
1586                             , enable_video_x11_xinerama=yes)
1587             if test x$enable_video_x11_xinerama = xyes; then
1588                 definitely_enable_video_x11_xinerama=no
1589                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
1590                                 have_xinerama_h_hdr=yes,
1591                                 have_xinerama_h_hdr=no,
1592                                 [#include <X11/Xlib.h>
1593                                 ])
1594                 if test x$have_xinerama_h_hdr = xyes; then
1595                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
1596                         echo "-- dynamic libXinerama -> $xinerama_lib"
1597                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
1598                         definitely_enable_video_x11_xinerama=yes
1599                     else
1600                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
1601                         if test x$have_xinerama_lib = xyes ; then
1602                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
1603                             definitely_enable_video_x11_xinerama=yes
1604                         fi
1605                     fi
1606                 fi
1607             fi
1608             if test x$definitely_enable_video_x11_xinerama = xyes; then
1609                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
1610                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
1611             fi
1612             AC_ARG_ENABLE(video-x11-xinput,
1613 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
1614                             , enable_video_x11_xinput=yes)
1615             if test x$enable_video_x11_xinput = xyes; then
1616                 definitely_enable_video_x11_xinput=no
1617                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
1618                                 have_xinput_h_hdr=yes,
1619                                 have_xinput_h_hdr=no,
1620                                 [#include <X11/Xlib.h>
1621                                 ])
1622                 if test x$have_xinput_h_hdr = xyes; then
1623                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
1624                         echo "-- dynamic libXi -> $xinput_lib"
1625                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
1626                         definitely_enable_video_x11_xinput=yes
1627                     else
1628                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
1629                         if test x$have_xinput_lib = xyes ; then
1630                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
1631                             definitely_enable_video_x11_xinput=yes
1632                         fi
1633                     fi
1634                 fi
1635             fi
1636             if test x$definitely_enable_video_x11_xinput = xyes; then
1637                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
1638                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
1639                 AC_MSG_CHECKING(for xinput2 multitouch)
1640                 have_xinput2_multitouch=no
1641                 AC_TRY_COMPILE([
1642                         #include <X11/Xlib.h>
1643                         #include <X11/Xproto.h>
1644                         #include <X11/extensions/XInput2.h>
1645                 ],[
1646 int event_type = XI_TouchBegin;
1647 XITouchClassInfo *t;
1648                 ],[
1649                 have_xinput2_multitouch=yes
1650                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
1651                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
1652                 ])
1653                 AC_MSG_RESULT($have_xinput2_multitouch)
1654             fi
1655             AC_ARG_ENABLE(video-x11-xrandr,
1656 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
1657                             , enable_video_x11_xrandr=yes)
1658             if test x$enable_video_x11_xrandr = xyes; then
1659                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
1660                 definitely_enable_video_x11_xrandr=no
1661                 have_xrandr_h_hdr=no
1662                 AC_TRY_COMPILE([
1663                 #include <X11/Xlib.h>
1664                 #include <X11/extensions/Xrandr.h>
1665                 ],[
1666                 XRRScreenResources *res = NULL;
1667                 ],[
1668                 have_xrandr_h_hdr=yes
1669                 ])
1670                 if test x$have_xrandr_h_hdr = xyes; then
1671                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
1672                         echo "-- dynamic libXrandr -> $xrandr_lib"
1673                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
1674                         definitely_enable_video_x11_xrandr=yes
1675                     else
1676                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
1677                         if test x$have_xrandr_lib = xyes ; then
1678                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
1679                             definitely_enable_video_x11_xrandr=yes
1680                         fi
1681                     fi
1682                 fi
1683             fi
1684             if test x$definitely_enable_video_x11_xrandr = xyes; then
1685                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
1686                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
1687             fi
1688             AC_ARG_ENABLE(video-x11-scrnsaver,
1689 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
1690                             , enable_video_x11_scrnsaver=yes)
1691             if test x$enable_video_x11_scrnsaver = xyes; then
1692                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
1693                                 have_scrnsaver_h_hdr=yes,
1694                                 have_scrnsaver_h_hdr=no,
1695                                 [#include <X11/Xlib.h>
1696                                 ])
1697                 if test x$have_scrnsaver_h_hdr = xyes; then
1698                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
1699                         echo "-- dynamic libXss -> $xss_lib"
1700                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
1701                         definitely_enable_video_x11_scrnsaver=yes
1702                     else
1703                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
1704                         if test x$have_xss_lib = xyes ; then
1705                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
1706                             definitely_enable_video_x11_scrnsaver=yes
1707                         fi
1708                     fi
1709                 fi
1710             fi
1711             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
1712                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
1713                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
1714             fi
1715             AC_ARG_ENABLE(video-x11-xshape,
1716 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
1717                             , enable_video_x11_xshape=yes)
1718             if test x$enable_video_x11_xshape = xyes; then
1719                 AC_CHECK_HEADER(X11/extensions/shape.h,
1720                                 have_shape_h_hdr=yes,
1721                                 have_shape_h_hdr=no,
1722                                 [#include <X11/Xlib.h>
1723                                 ])
1724                 if test x$have_shape_h_hdr = xyes; then
1725                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
1726                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
1727                 fi
1728             fi
1729             AC_ARG_ENABLE(video-x11-vm,
1730 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
1731                             , enable_video_x11_vm=yes)
1732             if test x$enable_video_x11_vm = xyes; then
1733                 definitely_enable_video_x11_vm=no
1734                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
1735                                 have_vm_h_hdr=yes,
1736                                 have_vm_h_hdr=no,
1737                                 [#include <X11/Xlib.h>
1738                                 ])
1739                 if test x$have_vm_h_hdr = xyes; then
1740                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
1741                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
1742                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
1743                         definitely_enable_video_x11_vm=yes
1744                     else
1745                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
1746                         if test x$have_vm_lib = xyes ; then
1747                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
1748                             definitely_enable_video_x11_vm=yes
1749                         fi
1750                     fi
1751                 fi
1752             fi
1753             if test x$definitely_enable_video_x11_vm = xyes; then
1754                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
1755                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
1756             fi
1757         fi
1758     fi
1759 }
1760
1761 dnl Set up the Vivante video driver if enabled
1762 CheckVivanteVideo()
1763 {
1764     AC_ARG_ENABLE(video-vivante,
1765 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
1766                   , enable_video_vivante=yes)
1767     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
1768         AC_MSG_CHECKING(for Vivante VDK API)
1769         have_vivante_vdk=no
1770         AC_TRY_COMPILE([
1771           #define LINUX
1772           #define EGL_API_FB
1773           #include <gc_vdk.h>
1774         ],[
1775         ],[
1776         have_vivante_vdk=yes
1777         ])
1778         AC_MSG_RESULT($have_vivante_vdk)
1779
1780         AC_MSG_CHECKING(for Vivante FB API)
1781         have_vivante_egl=no
1782         AC_TRY_COMPILE([
1783           #define LINUX
1784           #define EGL_API_FB
1785           #include <EGL/eglvivante.h>
1786         ],[
1787         ],[
1788         have_vivante_egl=yes
1789         ])
1790         AC_MSG_RESULT($have_vivante_egl)
1791
1792         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
1793             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
1794             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
1795             if test x$have_vivante_vdk = xyes; then
1796                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
1797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
1798             fi
1799             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
1800             SUMMARY_video="${SUMMARY_video} vivante"
1801             have_video=yes
1802         fi
1803     fi
1804 }
1805
1806 dnl Set up the Haiku video driver if enabled
1807 CheckHaikuVideo()
1808 {
1809     if test x$enable_video = xyes; then
1810         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
1811         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
1812         have_video=yes
1813         SUMMARY_video="${SUMMARY_video} haiku"
1814     fi
1815 }
1816
1817 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
1818 CheckCOCOA()
1819 {
1820     AC_ARG_ENABLE(video-cocoa,
1821 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
1822                   , enable_video_cocoa=yes)
1823     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
1824         save_CFLAGS="$CFLAGS"
1825         dnl work around that we don't have Objective-C support in autoconf
1826         CFLAGS="$CFLAGS -x objective-c"
1827         AC_MSG_CHECKING(for Cocoa framework)
1828         have_cocoa=no
1829         AC_TRY_COMPILE([
1830           #import <Cocoa/Cocoa.h>
1831         ],[
1832         ],[
1833         have_cocoa=yes
1834         ])
1835         AC_MSG_RESULT($have_cocoa)
1836         CFLAGS="$save_CFLAGS"
1837         if test x$have_cocoa = xyes; then
1838             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
1839             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
1840             SUMMARY_video="${SUMMARY_video} cocoa"
1841             have_video=yes
1842         fi
1843     fi
1844 }
1845
1846 dnl Find DirectFB
1847 CheckDirectFB()
1848 {
1849     AC_ARG_ENABLE(video-directfb,
1850 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
1851                   , enable_video_directfb=no)
1852     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
1853         video_directfb=no
1854
1855         DIRECTFB_REQUIRED_VERSION=1.0.0
1856         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
1857         if test x$DIRECTFBCONFIG = xno; then
1858             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1859             if test x$PKG_CONFIG != xno; then
1860                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
1861                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
1862                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
1863                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
1864                     video_directfb=yes
1865                 fi
1866             fi
1867         else
1868             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
1869             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1870             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
1871             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1872             if test $HAVE_VERSION -ge $NEED_VERSION; then
1873                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
1874                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
1875                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
1876                 video_directfb=yes
1877             fi
1878         fi
1879         if test x$video_directfb = xyes; then
1880             # SuSE 11.1 installs directfb-config without directfb-devel
1881             save_CPPFLAGS="$CPPFLAGS"
1882             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
1883             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
1884             CPPFLAGS="$save_CPPFLAGS"
1885             video_directfb=$have_directfb_hdr
1886         fi
1887         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
1888         AC_MSG_RESULT($video_directfb)
1889
1890         if test x$video_directfb = xyes; then
1891             AC_ARG_ENABLE(directfb-shared,
1892 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
1893                               , enable_directfb_shared=yes)
1894
1895             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
1896             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
1897             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
1898             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
1899
1900             AC_MSG_CHECKING(for directfb dynamic loading support)
1901             directfb_shared=no
1902             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
1903             # | sed 's/.*\/\(.*\)/\1/; q'`]
1904 AC_MSG_WARN("directfb $directfb_lib")
1905             if test x$have_loadso != xyes && \
1906                test x$enable_directfb_shared = xyes; then
1907                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
1908             fi
1909             if test x$have_loadso = xyes && \
1910                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
1911                 directfb_shared=yes
1912                 echo "-- $directfb_lib_spec -> $directfb_lib"
1913                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
1914                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
1915             else
1916                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
1917                 SUMMARY_video="${SUMMARY_video} directfb"
1918             fi
1919             AC_MSG_RESULT($directfb_shared)
1920             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
1921             have_video=yes
1922         fi
1923     fi
1924 }
1925
1926 dnl Find FusionSound
1927 CheckFusionSound()
1928 {
1929     AC_ARG_ENABLE(fusionsound,
1930 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
1931                   , enable_fusionsound=no)
1932     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
1933         fusionsound=no
1934
1935         FUSIONSOUND_REQUIRED_VERSION=1.1.1
1936
1937         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1938         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
1939         if test x$PKG_CONFIG != xno; then
1940             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
1941                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
1942                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
1943                 fusionsound=yes
1944             fi
1945         fi
1946         AC_MSG_RESULT($fusionsound)
1947
1948         if test x$fusionsound = xyes; then
1949             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
1950             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
1951             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
1952
1953             AC_ARG_ENABLE(fusionsound-shared,
1954 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
1955                           , enable_fusionsound_shared=yes)
1956             fusionsound_shared=no
1957             AC_MSG_CHECKING(for FusionSound dynamic loading support)
1958             if test x$have_loadso != xyes && \
1959                test x$enable_fusionsound_shared = xyes; then
1960                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
1961             fi
1962             if test x$have_loadso = xyes && \
1963                test x$enable_fusionsound_shared = xyes; then
1964                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
1965                 fusionsound_shared=yes
1966                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
1967             else
1968                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
1969                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
1970             fi
1971             AC_MSG_RESULT($fusionsound_shared)
1972
1973             have_audio=yes
1974         fi
1975     fi
1976 }
1977
1978 dnl rcg04172001 Set up the Null video driver.
1979 CheckDummyVideo()
1980 {
1981     AC_ARG_ENABLE(video-dummy,
1982 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
1983                   , enable_video_dummy=yes)
1984     if test x$enable_video_dummy = xyes; then
1985         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
1986         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
1987         have_video=yes
1988         SUMMARY_video="${SUMMARY_video} dummy"
1989     fi
1990 }
1991
1992 dnl Check to see if OpenGL support is desired
1993 AC_ARG_ENABLE(video-opengl,
1994 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
1995               , enable_video_opengl=yes)
1996
1997 dnl Find OpenGL
1998 CheckOpenGLX11()
1999 {
2000     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2001         AC_MSG_CHECKING(for OpenGL (GLX) support)
2002         video_opengl=no
2003         AC_TRY_COMPILE([
2004          #include <GL/gl.h>
2005          #include <GL/glx.h>
2006         ],[
2007         ],[
2008         video_opengl=yes
2009         ])
2010         AC_MSG_RESULT($video_opengl)
2011         if test x$video_opengl = xyes; then
2012             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2013             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
2014             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2015             SUMMARY_video="${SUMMARY_video} opengl"
2016         fi
2017     fi
2018 }
2019
2020 dnl Check to see if OpenGL ES support is desired
2021 AC_ARG_ENABLE(video-opengles,
2022 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
2023               , enable_video_opengles=yes)
2024 AC_ARG_ENABLE(video-opengles1,
2025 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
2026               , enable_video_opengles1=yes)
2027 AC_ARG_ENABLE(video-opengles2,
2028 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
2029               , enable_video_opengles2=yes)
2030
2031 dnl Find OpenGL ES
2032 CheckOpenGLESX11()
2033 {
2034     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2035         AC_MSG_CHECKING(for EGL support)
2036         video_opengl_egl=no
2037         AC_TRY_COMPILE([
2038           #define LINUX
2039           #define EGL_API_FB
2040           #include <EGL/egl.h>
2041           #include <EGL/eglext.h>
2042         ],[
2043         ],[
2044         video_opengl_egl=yes
2045         ])
2046         AC_MSG_RESULT($video_opengl_egl)
2047         if test x$video_opengl_egl = xyes; then
2048             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2049         fi
2050
2051         if test x$enable_video_opengles1 = xyes; then
2052             AC_MSG_CHECKING(for OpenGL ES v1 headers)
2053             video_opengles_v1=no
2054             AC_TRY_COMPILE([
2055              #include <GLES/gl.h>
2056              #include <GLES/glext.h>
2057             ],[
2058             ],[
2059             video_opengles_v1=yes
2060             ])
2061             AC_MSG_RESULT($video_opengles_v1)
2062             if test x$video_opengles_v1 = xyes; then
2063                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
2064                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
2065                 SUMMARY_video="${SUMMARY_video} opengl_es1"
2066             fi
2067         fi
2068
2069         if test x$enable_video_opengles2 = xyes; then
2070             AC_MSG_CHECKING(for OpenGL ES v2 headers)
2071             video_opengles_v2=no
2072             AC_TRY_COMPILE([
2073              #include <GLES2/gl2.h>
2074              #include <GLES2/gl2ext.h>
2075             ],[
2076             ],[
2077             video_opengles_v2=yes
2078             ])
2079             AC_MSG_RESULT($video_opengles_v2)
2080             if test x$video_opengles_v2 = xyes; then
2081                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2082                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2083                 SUMMARY_video="${SUMMARY_video} opengl_es2"
2084             fi
2085         fi
2086     fi
2087 }
2088
2089 dnl Check for Windows OpenGL
2090 CheckWINDOWSGL()
2091 {
2092     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2093         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2094         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
2095         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2096         SUMMARY_video="${SUMMARY_video} opengl"
2097     fi
2098 }
2099
2100 dnl Check for Windows OpenGL
2101 CheckWINDOWSGLES()
2102 {
2103     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2104
2105         AC_MSG_CHECKING(for EGL support)
2106         video_opengl_egl=no
2107         AC_TRY_COMPILE([
2108          #include <EGL/egl.h>
2109         ],[
2110         ],[
2111         video_opengl_egl=yes
2112         ])
2113         AC_MSG_RESULT($video_opengl_egl)
2114         if test x$video_opengl_egl = xyes; then
2115             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2116             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2117             SUMMARY_video="${SUMMARY_video} opengl_es1"
2118         fi
2119
2120         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2121         video_opengles_v2=no
2122         AC_TRY_COMPILE([
2123          #include <GLES2/gl2.h>
2124          #include <GLES2/gl2ext.h>
2125         ],[
2126         ],[
2127         video_opengles_v2=yes
2128         ])
2129         AC_MSG_RESULT($video_opengles_v2)
2130         if test x$video_opengles_v2 = xyes; then
2131             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2132             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2133             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2134             SUMMARY_video="${SUMMARY_video} opengl_es2"
2135         fi
2136     fi
2137 }
2138
2139 dnl Check for Haiku OpenGL
2140 CheckHaikuGL()
2141 {
2142     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2143         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2144         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
2145         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2146         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
2147         SUMMARY_video="${SUMMARY_video} opengl"
2148     fi
2149 }
2150
2151 dnl Check for MacOS OpenGL
2152 CheckMacGL()
2153 {
2154     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2155         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2156         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
2157         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2158         SUMMARY_video="${SUMMARY_video} opengl"
2159     fi
2160 }
2161
2162 CheckEmscriptenGLES()
2163 {
2164     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2165         AC_MSG_CHECKING(for EGL support)
2166         video_opengl_egl=no
2167         AC_TRY_COMPILE([
2168          #include <EGL/egl.h>
2169         ],[
2170         ],[
2171         video_opengl_egl=yes
2172         ])
2173         AC_MSG_RESULT($video_opengl_egl)
2174         if test x$video_opengl_egl = xyes; then
2175             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2176         fi
2177
2178         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2179         video_opengles_v2=no
2180         AC_TRY_COMPILE([
2181          #include <GLES2/gl2.h>
2182          #include <GLES2/gl2ext.h>
2183         ],[
2184         ],[
2185         video_opengles_v2=yes
2186         ])
2187         AC_MSG_RESULT($video_opengles_v2)
2188         if test x$video_opengles_v2 = xyes; then
2189             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2190             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2191             SUMMARY_video="${SUMMARY_video} opengl_es2"
2192         fi
2193     fi
2194 }
2195
2196 dnl See if we can use the new unified event interface in Linux 2.4
2197 CheckInputEvents()
2198 {
2199     dnl Check for Linux 2.4 unified input event interface support
2200         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
2201         use_input_events=no
2202         AC_TRY_COMPILE([
2203           #include <linux/input.h>
2204         ],[
2205           #ifndef EVIOCGNAME
2206           #error EVIOCGNAME() ioctl not available
2207           #endif
2208         ],[
2209         use_input_events=yes
2210         ])
2211         AC_MSG_RESULT($use_input_events)
2212         if test x$use_input_events = xyes; then
2213             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
2214             SUMMARY_input="${SUMMARY_input} linuxev"
2215         fi
2216 }
2217
2218 dnl See if we can use the kernel kd.h header
2219 CheckInputKD()
2220 {
2221
2222     AC_MSG_CHECKING(for Linux kd.h)
2223     use_input_kd=no
2224     AC_TRY_COMPILE([
2225       #include <linux/kd.h>
2226       #include <linux/keyboard.h>
2227     ],[
2228         struct kbentry kbe;
2229         kbe.kb_table = KG_CTRL;
2230         ioctl(0, KDGKBENT, &kbe);
2231     ],[
2232     use_input_kd=yes
2233     ])
2234     AC_MSG_RESULT($use_input_kd)
2235     if test x$use_input_kd = xyes; then
2236         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
2237         SUMMARY_input="${SUMMARY_input} linuxkd"
2238     fi
2239 }
2240
2241 dnl See if the platform offers libudev for device enumeration and hotplugging.
2242 CheckLibUDev()
2243 {
2244     AC_ARG_ENABLE(libudev,
2245 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
2246                         , enable_libudev=yes)
2247     if test x$enable_libudev = xyes; then
2248         AC_CHECK_HEADER(libudev.h,
2249                         have_libudev_h_hdr=yes,
2250                         have_libudev_h_hdr=no)
2251         if test x$have_libudev_h_hdr = xyes; then
2252             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
2253         fi
2254     fi
2255 }
2256
2257 dnl See if the platform offers libdbus for various IPC techniques.
2258 CheckDBus()
2259 {
2260     AC_ARG_ENABLE(dbus,
2261 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
2262                         , enable_dbus=yes)
2263     if test x$enable_dbus = xyes; then
2264         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2265         if test x$PKG_CONFIG != xno; then
2266             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
2267             save_CFLAGS="$CFLAGS"
2268             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
2269             AC_CHECK_HEADER(dbus/dbus.h,
2270                             have_dbus_dbus_h_hdr=yes,
2271                             have_dbus_dbus_h_hdr=no)
2272             CFLAGS="$save_CFLAGS"
2273             if test x$have_dbus_dbus_h_hdr = xyes; then
2274                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
2275                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
2276                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
2277             fi
2278         fi
2279     fi
2280 }
2281
2282 dnl See if the platform has libibus IME support.
2283 CheckIBus()
2284 {
2285     AC_ARG_ENABLE(ibus,
2286 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
2287                   , enable_ibus=yes)
2288     if test x$enable_ibus = xyes; then
2289         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2290         if test x$PKG_CONFIG != xno; then
2291             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
2292             save_CFLAGS="$CFLAGS"
2293             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
2294             AC_CHECK_HEADER(ibus-1.0/ibus.h,
2295                             have_ibus_ibus_h_hdr=yes,
2296                             have_ibus_ibus_h_hdr=no)
2297             AC_CHECK_HEADER(sys/inotify.h,
2298                             have_inotify_inotify_h_hdr=yes,
2299                             have_inotify_inotify_h_hdr=no)
2300             CFLAGS="$save_CFLAGS"
2301             if test x$have_ibus_ibus_h_hdr = xyes; then
2302                 if test x$enable_dbus != xyes; then
2303                     AC_MSG_WARN([DBus support is required for IBus.])
2304                     have_ibus_ibus_h_hdr=no
2305                 elif test x$have_inotify_inotify_h_hdr != xyes; then
2306                     AC_MSG_WARN([INotify support is required for IBus.])
2307                     have_ibus_ibus_h_hdr=no
2308                 else
2309                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
2310                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
2311                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
2312                fi
2313             fi
2314         fi
2315     fi
2316 }
2317
2318 dnl See if we can use the Touchscreen input library
2319 CheckTslib()
2320 {
2321     AC_ARG_ENABLE(input-tslib,
2322 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
2323                   , enable_input_tslib=yes)
2324     if test x$enable_input_tslib = xyes; then
2325         AC_MSG_CHECKING(for Touchscreen library support)
2326         enable_input_tslib=no
2327         AC_TRY_COMPILE([
2328           #include "tslib.h"
2329         ],[
2330         ],[
2331         enable_input_tslib=yes
2332         ])
2333         AC_MSG_RESULT($enable_input_tslib)
2334         if test x$enable_input_tslib = xyes; then
2335             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
2336             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
2337             SUMMARY_input="${SUMMARY_input} ts"
2338         fi
2339     fi
2340 }
2341
2342 dnl See what type of thread model to use on Linux and Solaris
2343 CheckPTHREAD()
2344 {
2345     dnl Check for pthread support
2346     AC_ARG_ENABLE(pthreads,
2347 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
2348                   , enable_pthreads=yes)
2349     dnl This is used on Linux for glibc binary compatibility (Doh!)
2350     AC_ARG_ENABLE(pthread-sem,
2351 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
2352                   , enable_pthread_sem=yes)
2353     case "$host" in
2354          *-*-androideabi*)
2355             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2356             pthread_lib=""
2357             ;;
2358         *-*-linux*|*-*-uclinux*)
2359             pthread_cflags="-D_REENTRANT"
2360             pthread_lib="-lpthread"
2361             ;;
2362         *-*-bsdi*)
2363             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2364             pthread_lib=""
2365             ;;
2366         *-*-darwin*)
2367             pthread_cflags="-D_THREAD_SAFE"
2368 # causes Carbon.p complaints?
2369 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2370             ;;
2371         *-*-freebsd*|*-*-dragonfly*)
2372             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2373             pthread_lib="-pthread"
2374             ;;
2375         *-*-netbsd*)
2376             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2377             pthread_lib="-lpthread"
2378             ;;
2379         *-*-openbsd*)
2380             pthread_cflags="-D_REENTRANT"
2381             pthread_lib="-pthread"
2382             ;;
2383         *-*-solaris2.9)
2384             # From Solaris 9+, posix4's preferred name is rt.
2385             pthread_cflags="-D_REENTRANT"
2386             pthread_lib="-lpthread -lrt"
2387             ;;
2388         *-*-solaris2.10)
2389             # Solaris 10+ merged pthread into libc.
2390             pthread_cflags="-D_REENTRANT"
2391             pthread_lib="-lrt"
2392             ;;
2393         *-*-solaris*)
2394             # Solaris 11+ merged rt into libc.
2395             pthread_cflags="-D_REENTRANT"
2396             pthread_lib=""
2397             ;;
2398         *-*-sysv5*)
2399             pthread_cflags="-D_REENTRANT -Kthread"
2400             pthread_lib=""
2401             ;;
2402         *-*-aix*)
2403             pthread_cflags="-D_REENTRANT -mthreads"
2404             pthread_lib="-lpthread"
2405             ;;
2406         *-*-hpux11*)
2407             pthread_cflags="-D_REENTRANT"
2408             pthread_lib="-L/usr/lib -lpthread"
2409             ;;
2410         *-*-haiku*)
2411             pthread_cflags="-D_REENTRANT"
2412             pthread_lib=""
2413             ;;
2414         *)
2415             pthread_cflags="-D_REENTRANT"
2416             pthread_lib="-lpthread"
2417             ;;
2418     esac
2419     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
2420         # Save the original compiler flags and libraries
2421         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2422         # Add the pthread compiler flags and libraries
2423         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2424         # Check to see if we have pthread support on this system
2425         AC_MSG_CHECKING(for pthreads)
2426         use_pthreads=no
2427         AC_TRY_LINK([
2428          #include <pthread.h>
2429         ],[
2430          pthread_attr_t type;
2431          pthread_attr_init(&type);
2432         ],[
2433         use_pthreads=yes
2434         ])
2435         AC_MSG_RESULT($use_pthreads)
2436         # Restore the compiler flags and libraries
2437         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2438
2439         # Do futher testing if we have pthread support...
2440         if test x$use_pthreads = xyes; then
2441             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
2442             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
2443             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
2444             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
2445
2446             # Save the original compiler flags and libraries
2447             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2448             # Add the pthread compiler flags and libraries
2449             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2450
2451             # Check to see if recursive mutexes are available
2452             AC_MSG_CHECKING(for recursive mutexes)
2453             has_recursive_mutexes=no
2454             if test x$has_recursive_mutexes = xno; then
2455                 AC_TRY_LINK([
2456                   #define _GNU_SOURCE 1
2457                   #include <pthread.h>
2458                 ],[
2459                   pthread_mutexattr_t attr;
2460                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2461                 ],[
2462                 has_recursive_mutexes=yes
2463                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
2464                 ])
2465             fi
2466             if test x$has_recursive_mutexes = xno; then
2467                 AC_TRY_LINK([
2468                   #define _GNU_SOURCE 1
2469                   #include <pthread.h>
2470                 ],[
2471                   pthread_mutexattr_t attr;
2472                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
2473                 ],[
2474                 has_recursive_mutexes=yes
2475                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
2476                 ])
2477             fi
2478             AC_MSG_RESULT($has_recursive_mutexes)
2479
2480             # Check to see if pthread semaphore support is missing
2481             if test x$enable_pthread_sem = xyes; then
2482                 AC_MSG_CHECKING(for pthread semaphores)
2483                 have_pthread_sem=no
2484                 AC_TRY_COMPILE([
2485                   #include <pthread.h>
2486                   #include <semaphore.h>
2487                 ],[
2488                 ],[
2489                 have_pthread_sem=yes
2490                 ])
2491                 AC_MSG_RESULT($have_pthread_sem)
2492             fi
2493             if test x$have_pthread_sem = xyes; then
2494                 AC_MSG_CHECKING(for sem_timedwait)
2495                 have_sem_timedwait=no
2496                 AC_TRY_LINK([
2497                   #include <pthread.h>
2498                   #include <semaphore.h>
2499                 ],[
2500                   sem_timedwait(NULL, NULL);
2501                 ],[
2502                 have_sem_timedwait=yes
2503                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
2504                 ])
2505                 AC_MSG_RESULT($have_sem_timedwait)
2506             fi
2507
2508             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
2509             if test x$have_pthread_np_h = xyes; then
2510                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
2511             fi
2512
2513             # Check to see if pthread naming is available
2514             AC_MSG_CHECKING(for pthread_setname_np)
2515             AC_TRY_LINK_FUNC(pthread_setname_np, [
2516               has_pthread_setname_np=yes
2517               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
2518             ],[
2519               has_pthread_setname_np=no
2520             ])
2521             AC_MSG_RESULT($has_pthread_setname_np)
2522
2523             AC_MSG_CHECKING(for pthread_set_name_np)
2524             AC_TRY_LINK_FUNC(pthread_set_name_np, [
2525               has_pthread_set_name_np=yes
2526               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
2527             ],[
2528               has_pthread_set_name_np=no
2529             ])
2530             AC_MSG_RESULT($has_pthread_set_name_np)
2531
2532             # Restore the compiler flags and libraries
2533             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2534
2535             # Basic thread creation functions
2536             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
2537
2538             # Semaphores
2539             # We can fake these with mutexes and condition variables if necessary
2540             if test x$have_pthread_sem = xyes; then
2541                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
2542             else
2543                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
2544             fi
2545
2546             # Mutexes
2547             # We can fake these with semaphores if necessary
2548             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
2549
2550             # Condition variables
2551             # We can fake these with semaphores and mutexes if necessary
2552             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
2553
2554             # Thread local storage
2555             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
2556
2557             have_threads=yes
2558         fi
2559     fi
2560 }
2561
2562 dnl Determine whether the compiler can produce Windows executables
2563 CheckWINDOWS()
2564 {
2565     AC_MSG_CHECKING(Windows compiler)
2566     have_win32_gcc=no
2567     AC_TRY_COMPILE([
2568      #include <windows.h>
2569     ],[
2570     ],[
2571     have_win32_gcc=yes
2572     ])
2573     AC_MSG_RESULT($have_win32_gcc)
2574     if test x$have_win32_gcc != xyes; then
2575        AC_MSG_ERROR([
2576 *** Your compiler ($CC) does not produce Windows executables!
2577        ])
2578     fi
2579
2580     AC_MSG_CHECKING(Windows CE)
2581     have_wince=no
2582     AC_TRY_COMPILE([
2583 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
2584 #error This is not Windows CE
2585 #endif
2586     ],[
2587     ],[
2588     have_wince=yes
2589        AC_MSG_ERROR([
2590 *** Sorry, Windows CE is no longer supported.
2591        ])
2592     ])
2593     AC_MSG_RESULT($have_wince)
2594
2595     # This fixes Windows stack alignment with newer GCC
2596     CheckStackBoundary
2597 }
2598
2599 dnl Find the DirectX includes and libraries
2600 CheckDIRECTX()
2601 {
2602     AC_ARG_ENABLE(directx,
2603 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
2604                   , enable_directx=yes)
2605     if test x$enable_directx = xyes; then
2606         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
2607         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
2608         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
2609         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
2610         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
2611         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
2612         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
2613         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
2614
2615         if test x$have_ddraw = xyes; then
2616             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
2617         fi
2618         if test x$have_dinput = xyes; then
2619             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
2620         fi
2621         if test x$have_dsound = xyes; then
2622             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
2623         fi
2624         if test x$have_dxgi = xyes; then
2625             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
2626         fi
2627         if test x$have_xinput = xyes; then
2628             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
2629         fi
2630
2631         SUMMARY_video="${SUMMARY_video} directx"
2632         SUMMARY_audio="${SUMMARY_audio} directx"
2633
2634         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
2635         # FIXME:  ...so force it off for now.
2636         case "$host" in
2637             *-*-cygwin*)
2638             have_dinput=false
2639             ;;
2640         esac
2641     fi
2642 }
2643
2644 dnl Check for the dlfcn.h interface for dynamically loading objects
2645 CheckDLOPEN()
2646 {
2647     AC_ARG_ENABLE(sdl-dlopen,
2648 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
2649                   , enable_sdl_dlopen=yes)
2650     if test x$enable_sdl_dlopen = xyes; then
2651         AC_MSG_CHECKING(for dlopen)
2652         have_dlopen=no
2653         AC_TRY_COMPILE([
2654          #include <dlfcn.h>
2655         ],[
2656          void *handle = dlopen("", RTLD_NOW);
2657          const char *loaderror = (char *) dlerror();
2658         ],[
2659         have_dlopen=yes
2660         ])
2661         AC_MSG_RESULT($have_dlopen)
2662
2663         if test x$have_dlopen = xyes; then
2664             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
2665                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
2666                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
2667             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
2668             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
2669             have_loadso=yes
2670         fi
2671     fi
2672 }
2673
2674 dnl Check for the usbhid(3) library on *BSD
2675 CheckUSBHID()
2676 {
2677     case "$host" in
2678         *-*-*bsd*)
2679             if test x$enable_joystick = xyes; then
2680                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
2681                 if test x$have_libusbhid = xyes; then
2682                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
2683                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
2684                     USB_LIBS="$USB_LIBS -lusbhid"
2685                 else
2686                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
2687                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
2688                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
2689                 fi
2690
2691                 save_CFLAGS="$CFLAGS"
2692                 CFLAGS="$CFLAGS $USB_CFLAGS"
2693
2694                 AC_MSG_CHECKING(for usbhid)
2695                 have_usbhid=no
2696                 AC_TRY_COMPILE([
2697                   #include <sys/types.h>
2698                   #if defined(HAVE_USB_H)
2699                   #include <usb.h>
2700                   #endif
2701                   #ifdef __DragonFly__
2702                   # include <bus/usb/usb.h>
2703                   # include <bus/usb/usbhid.h>
2704                   #else
2705                   # include <dev/usb/usb.h>
2706                   # include <dev/usb/usbhid.h>
2707                   #endif
2708                   #if defined(HAVE_USBHID_H)
2709                   #include <usbhid.h>
2710                   #elif defined(HAVE_LIBUSB_H)
2711                   #include <libusb.h>
2712                   #elif defined(HAVE_LIBUSBHID_H)
2713                   #include <libusbhid.h>
2714                   #endif
2715                 ],[
2716                   struct report_desc *repdesc;
2717                   struct usb_ctl_report *repbuf;
2718                   hid_kind_t hidkind;
2719                 ],[
2720                 have_usbhid=yes
2721                 ])
2722                 AC_MSG_RESULT($have_usbhid)
2723
2724                 if test x$have_usbhid = xyes; then
2725                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
2726                     have_usbhid_ucr_data=no
2727                     AC_TRY_COMPILE([
2728                       #include <sys/types.h>
2729                       #if defined(HAVE_USB_H)
2730                       #include <usb.h>
2731                       #endif
2732                       #ifdef __DragonFly__
2733                       # include <bus/usb/usb.h>
2734                       # include <bus/usb/usbhid.h>
2735                       #else
2736                       # include <dev/usb/usb.h>
2737                       # include <dev/usb/usbhid.h>
2738                       #endif
2739                       #if defined(HAVE_USBHID_H)
2740                       #include <usbhid.h>
2741                       #elif defined(HAVE_LIBUSB_H)
2742                       #include <libusb.h>
2743                       #elif defined(HAVE_LIBUSBHID_H)
2744                       #include <libusbhid.h>
2745                       #endif
2746                     ],[
2747                       struct usb_ctl_report buf;
2748                       if (buf.ucr_data) { }
2749                     ],[
2750                     have_usbhid_ucr_data=yes
2751                     ])
2752                     if test x$have_usbhid_ucr_data = xyes; then
2753                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
2754                     fi
2755                     AC_MSG_RESULT($have_usbhid_ucr_data)
2756
2757                     AC_MSG_CHECKING(for new usbhid API)
2758                     have_usbhid_new=no
2759                     AC_TRY_COMPILE([
2760                       #include <sys/types.h>
2761                       #if defined(HAVE_USB_H)
2762                       #include <usb.h>
2763                       #endif
2764                       #ifdef __DragonFly__
2765                       #include <bus/usb/usb.h>
2766                       #include <bus/usb/usbhid.h>
2767                       #else
2768                       #include <dev/usb/usb.h>
2769                       #include <dev/usb/usbhid.h>
2770                       #endif
2771                       #if defined(HAVE_USBHID_H)
2772                       #include <usbhid.h>
2773                       #elif defined(HAVE_LIBUSB_H)
2774                       #include <libusb.h>
2775                       #elif defined(HAVE_LIBUSBHID_H)
2776                       #include <libusbhid.h>
2777                       #endif
2778                     ],[
2779                       report_desc_t d;
2780                       hid_start_parse(d, 1, 1);
2781                     ],[
2782                     have_usbhid_new=yes
2783                     ])
2784                     if test x$have_usbhid_new = xyes; then
2785                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
2786                     fi
2787                     AC_MSG_RESULT($have_usbhid_new)
2788
2789                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
2790                     have_machine_joystick=no
2791                     AC_TRY_COMPILE([
2792                       #include <machine/joystick.h>
2793                     ],[
2794                       struct joystick t;
2795                     ],[
2796                     have_machine_joystick=yes
2797                     ])
2798                     if test x$have_machine_joystick = xyes; then
2799                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
2800                     fi
2801                     AC_MSG_RESULT($have_machine_joystick)
2802
2803                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
2804                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
2805                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
2806                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
2807                     have_joystick=yes
2808                 fi
2809                 CFLAGS="$save_CFLAGS"
2810             fi
2811         ;;
2812     esac
2813 }
2814
2815 dnl Check for clock_gettime()
2816 CheckClockGettime()
2817 {
2818     AC_ARG_ENABLE(clock_gettime,
2819 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
2820                   , enable_clock_gettime=yes)
2821     if test x$enable_clock_gettime = xyes; then
2822         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
2823         if test x$have_clock_gettime = xyes; then
2824             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2825             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
2826         else
2827             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
2828             if test x$have_clock_gettime = xyes; then
2829                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2830                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
2831             fi
2832         fi
2833     fi
2834 }
2835
2836 dnl Check for a valid linux/version.h
2837 CheckLinuxVersion()
2838 {
2839     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
2840     if test x$have_linux_version_h = xyes; then
2841         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
2842     fi
2843 }
2844
2845 dnl Check if we want to use RPATH
2846 CheckRPATH()
2847 {
2848     AC_ARG_ENABLE(rpath,
2849 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
2850                   , enable_rpath=yes)
2851 }
2852
2853 dnl Set up the configuration based on the host platform!
2854 case "$host" in
2855     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
2856         case "$host" in
2857             *-raspberry-linux*)
2858                 # Raspberry Pi
2859                 ARCH=linux
2860                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
2861                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2862                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2863                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2864                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
2865
2866                 if test x$enable_video = xyes; then
2867                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2868                     # FIXME: confdefs? Not AC_DEFINE?
2869                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2870                     SUMMARY_video="${SUMMARY_video} rpi"
2871                 fi
2872                 ;;
2873             *-*-androideabi*)
2874                 # Android
2875                 ARCH=android
2876                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
2877                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
2878                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
2879                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
2880                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
2881
2882                 if test x$enable_video = xyes; then
2883                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
2884                     # FIXME: confdefs? Not AC_DEFINE?
2885                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
2886                     SUMMARY_video="${SUMMARY_video} android"
2887                 fi
2888                 ;;
2889             *-*-linux*)         ARCH=linux ;;
2890             *-*-uclinux*)       ARCH=linux ;;
2891             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
2892             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
2893             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
2894             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
2895             *-*-bsdi*)          ARCH=bsdi ;;
2896             *-*-freebsd*)       ARCH=freebsd ;;
2897             *-*-dragonfly*)     ARCH=freebsd ;;
2898             *-raspberry-netbsd*)
2899                 # Raspberry Pi
2900                 ARCH=netbsd
2901                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
2902                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2903                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2904                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2905                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
2906
2907                 if test x$enable_video = xyes; then
2908                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2909                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2910                     SUMMARY_video="${SUMMARY_video} raspberry"
2911                 fi
2912                 ;;
2913             *-*-netbsd*)        ARCH=netbsd ;;
2914             *-*-openbsd*)       ARCH=openbsd ;;
2915             *-*-sysv5*)         ARCH=sysv5 ;;
2916             *-*-solaris*)       ARCH=solaris ;;
2917             *-*-hpux*)          ARCH=hpux ;;
2918             *-*-aix*)           ARCH=aix ;;
2919             *-*-minix*)         ARCH=minix ;;
2920         esac
2921         CheckVisibilityHidden
2922         CheckDummyVideo
2923         CheckDiskAudio
2924         CheckDummyAudio
2925         CheckDLOPEN
2926         CheckOSS
2927         CheckALSA
2928         CheckPulseAudio
2929         CheckARTSC
2930         CheckESD
2931         CheckNAS
2932         CheckSNDIO
2933         CheckX11
2934         CheckDirectFB
2935         CheckFusionSound
2936         CheckOpenGLX11
2937         CheckOpenGLESX11
2938         CheckMir
2939         CheckWayland
2940         CheckTizen
2941         CheckLibUDev
2942         CheckDBus
2943         CheckIBus
2944         case $ARCH in
2945           linux)
2946               CheckInputEvents
2947               CheckInputKD
2948           ;;
2949         esac
2950         CheckTslib
2951         CheckUSBHID
2952         CheckPTHREAD
2953         CheckClockGettime
2954         CheckLinuxVersion
2955         CheckRPATH
2956         CheckVivanteVideo
2957         # Set up files for the audio library
2958         if test x$enable_audio = xyes; then
2959           case $ARCH in
2960             sysv5|solaris|hpux)
2961                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
2962                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
2963                 have_audio=yes
2964             ;;
2965             netbsd)  # Don't use this on OpenBSD, it's busted.
2966                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
2967                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
2968                 have_audio=yes
2969             ;;
2970             aix)
2971                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
2972                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
2973                 have_audio=yes
2974             ;;
2975             android)
2976                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
2977                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
2978                 SUMMARY_audio="${SUMMARY_audio} android"
2979                 have_audio=yes
2980             ;;
2981           esac
2982         fi
2983         # Set up files for the joystick library
2984         if test x$enable_joystick = xyes; then
2985           case $ARCH in
2986             linux)
2987                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
2988                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
2989                 have_joystick=yes
2990             ;;
2991             android)
2992                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
2993                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
2994                 have_joystick=yes
2995             ;;
2996           esac
2997         fi
2998         # Set up files for the haptic library
2999         if test x$enable_haptic = xyes; then
3000            if test x$use_input_events = xyes; then
3001              case $ARCH in
3002                linux)
3003                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
3004                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
3005                    have_haptic=yes
3006                ;;
3007              esac
3008            fi
3009         fi
3010         # Set up files for the power library
3011         if test x$enable_power = xyes; then
3012              case $ARCH in
3013                linux)
3014                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
3015                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
3016                    have_power=yes
3017                ;;
3018                android)
3019                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
3020                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
3021                    have_power=yes
3022                ;;
3023              esac
3024         fi
3025         # Set up files for the filesystem library
3026         if test x$enable_filesystem = xyes; then
3027              case $ARCH in
3028                android)
3029                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
3030                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
3031                    have_filesystem=yes
3032                ;;
3033                *)
3034                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
3035                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
3036                    have_filesystem=yes
3037                ;;
3038              esac
3039         fi
3040         # Set up files for the timer library
3041         if test x$enable_timers = xyes; then
3042             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3043             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3044             have_timers=yes
3045         fi
3046         # Set up files for udev hotplugging support
3047         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
3048             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"
3049         fi
3050         # Set up files for evdev input
3051         if test x$use_input_events = xyes; then
3052             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
3053         fi
3054         ;;
3055     *-*-cygwin* | *-*-mingw32*)
3056         ARCH=win32
3057         if test "$build" != "$host"; then # cross-compiling
3058             # Default cross-compile location
3059             ac_default_prefix=/usr/local/cross-tools/$host
3060         else
3061             # Look for the location of the tools and install there
3062             if test "$BUILD_PREFIX" != ""; then
3063                 ac_default_prefix=$BUILD_PREFIX
3064             fi
3065         fi
3066         CheckDummyVideo
3067         CheckDiskAudio
3068         CheckDummyAudio
3069         CheckWINDOWS
3070         CheckWINDOWSGL
3071         CheckWINDOWSGLES
3072         CheckDIRECTX
3073
3074         # Set up the core platform files
3075         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
3076
3077         # Set up files for the video library
3078         if test x$enable_video = xyes; then
3079             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
3080             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
3081             have_video=yes
3082             AC_ARG_ENABLE(render-d3d,
3083 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
3084                                 , enable_render_d3d=yes)
3085             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
3086                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
3087             fi
3088             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
3089                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
3090             fi
3091         fi
3092         # Set up files for the audio library
3093         if test x$enable_audio = xyes; then
3094             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
3095             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
3096             if test x$have_dsound = xyes; then
3097                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
3098                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
3099             fi
3100             if test x$have_xaudio2 = xyes; then
3101                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
3102                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
3103             fi
3104             have_audio=yes
3105         fi
3106         # Set up files for the joystick library
3107         if test x$enable_joystick = xyes; then
3108             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3109                 if test x$have_xinput = xyes; then
3110                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
3111                 fi
3112                 if test x$have_dinput = xyes; then
3113                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
3114                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
3115                 fi
3116             else
3117                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
3118             fi
3119             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
3120             have_joystick=yes
3121         fi
3122         if test x$enable_haptic = xyes; then
3123             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3124                 if test x$have_xinput = xyes; then
3125                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
3126                 fi
3127                 if test x$have_dinput = xyes; then
3128                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
3129                 fi
3130                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
3131                 have_haptic=yes
3132             fi
3133         fi
3134         if test x$enable_power = xyes; then
3135             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
3136             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
3137             have_power=yes
3138         fi
3139         if test x$enable_filesystem = xyes; then
3140             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
3141             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
3142             have_filesystem=yes
3143         fi
3144         # Set up files for the thread library
3145         if test x$enable_threads = xyes; then
3146             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
3147             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
3148             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
3149             have_threads=yes
3150         fi
3151         # Set up files for the timer library
3152         if test x$enable_timers = xyes; then
3153             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
3154             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
3155             have_timers=yes
3156         fi
3157         # Set up files for the shared object loading library
3158         if test x$enable_loadso = xyes; then
3159             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
3160             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
3161             have_loadso=yes
3162         fi
3163         # Set up the system libraries we need
3164         if test -f /lib/w32api/libuuid.a; then
3165             LIBUUID=/lib/w32api/libuuid.a
3166         else
3167             LIBUUID=-luuid
3168         fi
3169         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
3170         # The Windows platform requires special setup
3171         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
3172         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
3173         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
3174         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
3175
3176         # Check to see if this is a mingw or cygwin build
3177         have_mingw32=
3178         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
3179         if test x$have_mingw32 = xyes; then
3180             SDL_LIBS="-lmingw32 $SDL_LIBS"
3181         else
3182             SDL_LIBS="-lcygwin $SDL_LIBS"
3183         fi
3184         ;;
3185
3186     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
3187     *-*-beos*)
3188         AC_MSG_ERROR([
3189 *** BeOS support has been removed as of SDL 2.0.2.
3190         ])
3191         ;;
3192
3193     *-*-haiku*)
3194         ARCH=haiku
3195         ac_default_prefix=/boot/system
3196         CheckDummyVideo
3197         CheckDiskAudio
3198         CheckDummyAudio
3199         CheckHaikuVideo
3200         CheckHaikuGL
3201         CheckPTHREAD
3202
3203         # Set up files for the audio library
3204         if test x$enable_audio = xyes; then
3205             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
3206             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
3207             have_audio=yes
3208         fi
3209         # Set up files for the joystick library
3210         if test x$enable_joystick = xyes; then
3211             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
3212             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
3213             have_joystick=yes
3214         fi
3215         # Set up files for the timer library
3216         if test x$enable_timers = xyes; then
3217             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
3218             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
3219             have_timers=yes
3220         fi
3221         # Set up files for the shared object loading library
3222         if test x$enable_loadso = xyes; then
3223             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
3224             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
3225             have_loadso=yes
3226         fi
3227         # Set up files for the system power library
3228         if test x$enable_power = xyes; then
3229             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
3230             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
3231             have_power=yes
3232         fi
3233         # Set up files for the system filesystem library
3234         if test x$enable_filesystem = xyes; then
3235             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
3236             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
3237             have_filesystem=yes
3238         fi
3239         # The Haiku platform requires special setup.
3240         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
3241         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
3242         ;;
3243     arm*-apple-darwin*)
3244         # iOS - We are not writing anything to confdefs.h because you have to replace
3245         # SDL_config.h for SDL_config_iphoneos.h anyway
3246         ARCH=ios
3247
3248         CheckVisibilityHidden
3249         CheckDummyVideo
3250         CheckDiskAudio
3251         CheckDummyAudio
3252         CheckDLOPEN
3253         CheckCOCOA
3254         CheckPTHREAD
3255
3256
3257         # Set up files for the audio library
3258         if test x$enable_audio = xyes; then
3259             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3260             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3261             have_audio=yes
3262         fi
3263         # Set up files for the joystick library
3264         if test x$enable_joystick = xyes; then
3265             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
3266             have_joystick=yes
3267         fi
3268         # Set up files for the haptic library
3269         #if test x$enable_haptic = xyes; then
3270         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3271         #    have_haptic=yes
3272         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3273         #fi
3274         # Set up files for the power library
3275         if test x$enable_power = xyes; then
3276             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
3277             have_power=yes
3278         fi
3279         # Set up files for the filesystem library
3280         if test x$enable_filesystem = xyes; then
3281             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3282             have_filesystem=yes
3283         fi
3284         # Set up files for the timer library
3285         if test x$enable_timers = xyes; then
3286             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3287             have_timers=yes
3288         fi
3289         # Set up additional files for the file library
3290         if test x$enable_file = xyes; then
3291             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3292         fi
3293         # The iOS platform requires special setup.
3294         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
3295         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3296         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
3297         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
3298         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
3299         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
3300         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
3301         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
3302         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
3303         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
3304         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
3305         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
3306         ;;
3307     *-*-darwin* )
3308         # This could be either full "Mac OS X", or plain "Darwin" which is
3309         # just the OS X kernel sans upper layers like Carbon and Cocoa.
3310         # Next line is broken, and a few files below require Mac OS X (full)
3311         ARCH=macosx
3312
3313         # Mac OS X builds with both the Carbon and OSX APIs at the moment
3314         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
3315         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
3316
3317         CheckVisibilityHidden
3318         CheckDummyVideo
3319         CheckDiskAudio
3320         CheckDummyAudio
3321         CheckDLOPEN
3322         CheckCOCOA
3323         CheckX11
3324         CheckMacGL
3325         CheckOpenGLX11
3326         CheckPTHREAD
3327
3328         # Set up files for the audio library
3329         if test x$enable_audio = xyes; then
3330             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
3331             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3332             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3333             have_audio=yes
3334         fi
3335         # Set up files for the joystick library
3336         if test x$enable_joystick = xyes; then
3337             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
3338             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
3339             have_joystick=yes
3340         fi
3341         # Set up files for the haptic library
3342         if test x$enable_haptic = xyes; then
3343             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
3344             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3345             have_haptic=yes
3346             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3347         fi
3348         # Set up files for the power library
3349         if test x$enable_power = xyes; then
3350             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
3351             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
3352             have_power=yes
3353         fi
3354         # Set up files for the filesystem library
3355         if test x$enable_filesystem = xyes; then
3356             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
3357             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3358             have_filesystem=yes
3359         fi
3360         # Set up files for the timer library
3361         if test x$enable_timers = xyes; then
3362             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3363             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3364             have_timers=yes
3365         fi
3366         # Set up additional files for the file library
3367         if test x$enable_file = xyes; then
3368             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3369         fi
3370         # The Mac OS X platform requires special setup.
3371         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3372         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
3373         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
3374         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
3375         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
3376         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
3377         # If audio is used, add the AudioUnit framework
3378         if test x$enable_audio = xyes; then
3379             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
3380         fi
3381         ;;
3382     *-nacl|*-pnacl)
3383         ARCH=nacl
3384         CheckNativeClient
3385         CheckDummyAudio
3386         CheckDummyVideo
3387         CheckInputEvents
3388         CheckPTHREAD
3389
3390         # Set up files for the timer library
3391         if test x$enable_timers = xyes; then
3392             AC_DEFINE(SDL_TIMER_UNIX)
3393             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3394             have_timers=yes
3395         fi
3396
3397         if test x$enable_filesystem = xyes; then
3398             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
3399             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
3400             have_filesystem=yes
3401         fi
3402         ;;
3403     *-*-emscripten* )
3404         if test x$enable_video = xyes; then
3405             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
3406             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
3407             have_video=yes
3408             SUMMARY_video="${SUMMARY_video} emscripten"
3409         fi
3410
3411         if test x$enable_audio = xyes; then
3412             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
3413             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
3414             have_audio=yes
3415             SUMMARY_audio="${SUMMARY_audio} emscripten"
3416         fi
3417
3418         CheckVisibilityHidden
3419         CheckDummyVideo
3420         CheckDiskAudio
3421         CheckDummyAudio
3422         CheckDLOPEN
3423         CheckClockGettime
3424         CheckEmscriptenGLES
3425
3426          # Set up files for the power library
3427         if test x$enable_power = xyes; then
3428             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
3429             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
3430             have_power=yes
3431         fi
3432
3433         # Set up files for the power library
3434         if test x$enable_joystick = xyes; then
3435             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
3436             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
3437             have_joystick=yes
3438         fi
3439
3440         # Set up files for the filesystem library
3441         if test x$enable_filesystem = xyes; then
3442             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
3443             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
3444             have_filesystem=yes
3445         fi
3446         # Set up files for the timer library
3447         if test x$enable_timers = xyes; then
3448             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3449             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3450             have_timers=yes
3451         fi
3452         ;;
3453     *)
3454         AC_MSG_ERROR([
3455 *** Unsupported host:  Please add to configure.in
3456         ])
3457         ;;
3458 esac
3459
3460 dnl Do this on all platforms, after everything else.
3461 CheckWarnAll
3462
3463 # Verify that we have all the platform specific files we need
3464
3465 if test x$have_joystick != xyes; then
3466     if test x$enable_joystick = xyes; then
3467         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
3468     fi
3469     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
3470 fi
3471 if test x$have_haptic != xyes; then
3472     if test x$enable_haptic = xyes; then
3473         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
3474     fi
3475     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
3476 fi
3477 if test x$have_threads != xyes; then
3478     if test x$enable_threads = xyes; then
3479         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
3480     fi
3481     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
3482 fi
3483 if test x$have_timers != xyes; then
3484     if test x$enable_timers = xyes; then
3485         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
3486     fi
3487     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
3488 fi
3489 if test x$have_filesystem != xyes; then
3490     if test x$enable_filesystem = xyes; then
3491         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
3492     fi
3493     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
3494 fi
3495 if test x$have_loadso != xyes; then
3496     if test x$enable_loadso = xyes; then
3497         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
3498     fi
3499     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
3500 fi
3501 if test x$SDLMAIN_SOURCES = x; then
3502     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
3503 fi
3504 SDLTEST_SOURCES="$srcdir/src/test/*.c"
3505
3506 OBJECTS=`echo $SOURCES`
3507 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
3508 for EXT in asm cc m c S; do
3509     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
3510     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
3511 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
3512         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3513 done
3514
3515 VERSION_OBJECTS=`echo $VERSION_SOURCES`
3516 VERSION_DEPENDS=`echo $VERSION_SOURCES`
3517 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
3518 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
3519 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
3520         \\$(WINDRES) \\$< \\$@,g"`
3521
3522 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
3523 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
3524 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3525 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3526 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3527         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3528
3529 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
3530 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
3531 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3532 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3533 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3534         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3535
3536 # Set runtime shared library paths as needed
3537
3538 if test "x$enable_rpath" = "xyes"; then
3539   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
3540     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
3541   fi
3542   if test $ARCH = solaris; then
3543     SDL_RLD_FLAGS="-R\${libdir}"
3544   fi
3545 else
3546   SDL_RLD_FLAGS=""
3547 fi
3548
3549 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
3550
3551 dnl Expand the cflags and libraries needed by apps using SDL
3552 AC_SUBST(SDL_CFLAGS)
3553 AC_SUBST(SDL_LIBS)
3554 AC_SUBST(SDL_STATIC_LIBS)
3555 AC_SUBST(SDL_RLD_FLAGS)
3556 if test x$enable_shared = xyes; then
3557     ENABLE_SHARED_TRUE=
3558     ENABLE_SHARED_FALSE="#"
3559 else
3560     ENABLE_SHARED_TRUE="#"
3561     ENABLE_SHARED_FALSE=
3562 fi
3563 if test x$enable_static = xyes; then
3564     ENABLE_STATIC_TRUE=
3565     ENABLE_STATIC_FALSE="#"
3566 else
3567     ENABLE_STATIC_TRUE="#"
3568     ENABLE_STATIC_FALSE=
3569 fi
3570 AC_SUBST(ENABLE_SHARED_TRUE)
3571 AC_SUBST(ENABLE_SHARED_FALSE)
3572 AC_SUBST(ENABLE_STATIC_TRUE)
3573 AC_SUBST(ENABLE_STATIC_FALSE)
3574
3575 dnl Expand the sources and objects needed to build the library
3576 AC_SUBST(ac_aux_dir)
3577 AC_SUBST(INCLUDE)
3578 AC_SUBST(OBJECTS)
3579 AC_SUBST(VERSION_OBJECTS)
3580 AC_SUBST(SDLMAIN_OBJECTS)
3581 AC_SUBST(SDLTEST_OBJECTS)
3582 AC_SUBST(BUILD_CFLAGS)
3583 AC_SUBST(EXTRA_CFLAGS)
3584 AC_SUBST(BUILD_LDFLAGS)
3585 AC_SUBST(EXTRA_LDFLAGS)
3586 AC_SUBST(WINDRES)
3587
3588 cat >Makefile.rules <<__EOF__
3589
3590 # Build rules for objects
3591 -include \$(OBJECTS:.lo=.d)
3592
3593 # Special dependency for SDL.c, since it depends on SDL_revision.h
3594 $srcdir/src/SDL.c: update-revision
3595 $DEPENDS
3596 $VERSION_DEPENDS
3597 $SDLMAIN_DEPENDS
3598 $SDLTEST_DEPENDS
3599 __EOF__
3600
3601 AC_CONFIG_FILES([
3602     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
3603 ])
3604 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
3605
3606 SUMMARY="SDL2 Configure Summary:\n"
3607 if test x$enable_shared = xyes; then
3608     SUMMARY="${SUMMARY}Building Shared Libraries\n"
3609 fi
3610 if test x$enable_static = xyes; then
3611     SUMMARY="${SUMMARY}Building Static Libraries\n"
3612 fi
3613 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
3614 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"
3615 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
3616 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
3617 if test x$have_x = xyes; then
3618     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
3619 fi
3620 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
3621 if test x$enable_libudev = xyes; then
3622     SUMMARY="${SUMMARY}Using libudev   : YES\n"
3623 else
3624     SUMMARY="${SUMMARY}Using libudev   : NO\n"
3625 fi
3626 if test x$have_dbus_dbus_h_hdr = xyes; then
3627     SUMMARY="${SUMMARY}Using dbus      : YES\n"
3628 else
3629     SUMMARY="${SUMMARY}Using dbus      : NO\n"
3630 fi
3631 if test x$have_ibus_ibus_h_hdr = xyes; then
3632     SUMMARY="${SUMMARY}Using ibus      : YES\n"
3633 else
3634     SUMMARY="${SUMMARY}Using ibus      : NO\n"
3635 fi
3636 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
3637
3638 AC_OUTPUT