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 Mir
1259 CheckMir()
1260 {
1261     AC_ARG_ENABLE(video-mir,
1262 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
1263                   ,enable_video_mir=yes)
1264
1265     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
1266         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1267         AC_MSG_CHECKING(for Mir support)
1268         video_mir=no
1269         if test x$PKG_CONFIG != xno; then
1270             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
1271                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
1272                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
1273                 save_CFLAGS="$CFLAGS"
1274                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
1275
1276                 dnl This will disable Mir on Ubuntu < 14.04
1277                 AC_TRY_COMPILE([
1278                 #include <mir_toolkit/mir_client_library.h>
1279                 ],[
1280                     MirMotionToolType tool = mir_motion_tool_type_mouse;
1281                 ],[
1282                 video_mir=yes
1283                 ])
1284                 CFLAGS="$save_CFLAGS"
1285             fi
1286         fi
1287         AC_MSG_RESULT($video_mir)
1288
1289         if test x$video_mir = xyes; then
1290             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
1291             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
1292             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
1293             AC_ARG_ENABLE(mir-shared,
1294 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
1295                           , enable_mir_shared=maybe)
1296
1297             dnl FIXME: Do BSD and OS X need special cases?
1298             case "$host" in
1299                 *)
1300                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1301                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
1302                     ;;
1303             esac
1304
1305             if test x$enable_mir_shared = xmaybe; then
1306                 enable_mir_shared=yes
1307             fi
1308             if test x$have_loadso != xyes && \
1309                test x$enable_mir_shared = xyes; then
1310                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
1311                 enable_mir_shared=no
1312             fi
1313             if test x$have_loadso = xyes && \
1314                test x$enable_mir_shared = xyes && \
1315                test x$mirclient_lib != x && \
1316                test x$xkbcommon_lib != x; then
1317                 echo "-- dynamic libmirclient -> $mirclient_lib"
1318                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
1319                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
1320                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
1321                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
1322             else
1323                 enable_mir_shared=no
1324                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
1325                 SUMMARY_video="${SUMMARY_video} mir"
1326             fi
1327             have_video=yes
1328         fi
1329     fi
1330 }
1331
1332 dnl Check for Native Client stuff
1333 CheckNativeClient()
1334 {
1335         AC_TRY_COMPILE([
1336           #if !defined(__native_client__)
1337           #error "NO NACL"
1338           #endif
1339         ],[
1340         ],[
1341         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
1342         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
1343         AC_DEFINE(HAVE_POW, 1, [ ])
1344         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
1345         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
1346         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
1347
1348         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
1349
1350         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
1351         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
1352         SUMMARY_audio="${SUMMARY_audio} nacl"
1353         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
1354         SUMMARY_video="${SUMMARY_video} nacl opengles2"
1355         ])
1356 }
1357
1358
1359 dnl Find the X11 include and library directories
1360 CheckX11()
1361 {
1362
1363
1364     AC_ARG_ENABLE(video-x11,
1365 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
1366                   , enable_video_x11=yes)
1367     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
1368         case "$host" in
1369             *-*-darwin*)
1370                 # This isn't necessary for X11, but fixes GLX detection
1371                 if test "x$x_includes" = xNONE && \
1372                    test "x$x_libraries" = xNONE && \
1373                    test -d /usr/X11R6/include && \
1374                    test -d /usr/X11R6/lib; then
1375                     x_includes="/usr/X11R6/include"
1376                     x_libraries="/usr/X11R6/lib"
1377                 fi
1378                 ;;
1379         esac
1380         AC_PATH_X
1381         AC_PATH_XTRA
1382         if test x$have_x = xyes; then
1383             AC_ARG_ENABLE(x11-shared,
1384 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
1385                           , enable_x11_shared=maybe)
1386
1387             case "$host" in
1388                 *-*-darwin*)
1389                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
1390                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
1391                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
1392                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
1393                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
1394                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
1395                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
1396                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
1397                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
1398                     ;;
1399                 *-*-openbsd*)
1400                     x11_lib='libX11.so'
1401                     x11ext_lib='libXext.so'
1402                     xcursor_lib='libXcursor.so'
1403                     xinerama_lib='libXinerama.so'
1404                     xinput_lib='libXi.so'
1405                     xrandr_lib='libXrandr.so'
1406                     xrender_lib='libXrender.so'
1407                     xss_lib='libXss.so'
1408                     xvidmode_lib='libXxf86vm.so'
1409                     ;;
1410                 *)
1411                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1412                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1413                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1414                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1415                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1416                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1417                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1418                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1419                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
1420                     ;;
1421             esac
1422
1423             if test x$ac_cv_func_shmat != xyes; then
1424                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
1425             fi
1426             CFLAGS="$CFLAGS $X_CFLAGS"
1427             LDFLAGS="$LDFLAGS $X_LIBS"
1428
1429             AC_CHECK_HEADER(X11/extensions/Xext.h,
1430                             have_xext_h_hdr=yes,
1431                             have_xext_h_hdr=no,
1432                             [#include <X11/Xlib.h>
1433                              #include <X11/Xproto.h>
1434                             ])
1435             if test x$have_xext_h_hdr != xyes; then
1436                AC_MSG_ERROR([
1437 *** Missing Xext.h, maybe you need to install the libxext-dev package?
1438                ])
1439             fi
1440
1441             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
1442             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
1443             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
1444
1445             # Needed so SDL applications can include SDL_syswm.h
1446             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
1447
1448             if test x$enable_x11_shared = xmaybe; then
1449                 enable_x11_shared=yes
1450             fi
1451             if test x$have_loadso != xyes && \
1452                test x$enable_x11_shared = xyes; then
1453                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
1454                 enable_x11_shared=no
1455             fi
1456             if test x$have_loadso = xyes && \
1457                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
1458                 echo "-- dynamic libX11 -> $x11_lib"
1459                 echo "-- dynamic libX11ext -> $x11ext_lib"
1460                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
1461                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
1462                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
1463             else
1464                 enable_x11_shared=no
1465                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
1466                 SUMMARY_video="${SUMMARY_video} x11"
1467             fi
1468             have_video=yes
1469
1470             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
1471             have_const_param_XextAddDisplay=no
1472             AC_TRY_COMPILE([
1473               #include <X11/Xlib.h>
1474               #include <X11/Xproto.h>
1475               #include <X11/extensions/Xext.h>
1476               #include <X11/extensions/extutil.h>
1477               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
1478             ],[
1479             ],[
1480             have_const_param_XextAddDisplay=yes
1481             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
1482             ])
1483             AC_MSG_RESULT($have_const_param_XextAddDisplay)
1484
1485             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
1486             AC_MSG_CHECKING([for XGenericEvent])
1487             have_XGenericEvent=no
1488             AC_TRY_COMPILE([
1489                 #include <X11/Xlib.h>
1490             ],[
1491 Display *display;
1492 XEvent event;
1493 XGenericEventCookie *cookie = &event.xcookie;
1494 XNextEvent(display, &event);
1495 XGetEventData(display, cookie);
1496 XFreeEventData(display, cookie);
1497             ],[
1498                 have_XGenericEvent=yes
1499                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
1500             ])
1501             AC_MSG_RESULT($have_XGenericEvent)
1502
1503             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
1504
1505             AC_ARG_ENABLE(video-x11-xcursor,
1506 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
1507                             , enable_video_x11_xcursor=yes)
1508             if test x$enable_video_x11_xcursor = xyes; then
1509                 definitely_enable_video_x11_xcursor=no
1510                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
1511                                 have_xcursor_h_hdr=yes,
1512                                 have_xcursor_h_hdr=no,
1513                                 [#include <X11/Xlib.h>
1514                                 ])
1515                 if test x$have_xcursor_h_hdr = xyes; then
1516                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
1517                         echo "-- dynamic libXcursor -> $xcursor_lib"
1518                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
1519                         definitely_enable_video_x11_xcursor=yes
1520                     else
1521                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
1522                         if test x$have_xcursor_lib = xyes ; then
1523                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
1524                             definitely_enable_video_x11_xcursor=yes
1525                         fi
1526                     fi
1527                 fi
1528             fi
1529             if test x$definitely_enable_video_x11_xcursor = xyes; then
1530                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
1531                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
1532             fi
1533             AC_ARG_ENABLE(video-x11-xdbe,
1534 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
1535                             , enable_video_x11_xdbe=yes)
1536             if test x$enable_video_x11_xdbe = xyes; then
1537                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
1538                                 have_dbe_h_hdr=yes,
1539                                 have_dbe_h_hdr=no,
1540                                 [#include <X11/Xlib.h>
1541                                 ])
1542                 if test x$have_dbe_h_hdr = xyes; then
1543                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
1544                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
1545                 fi
1546             fi
1547             AC_ARG_ENABLE(video-x11-xinerama,
1548 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
1549                             , enable_video_x11_xinerama=yes)
1550             if test x$enable_video_x11_xinerama = xyes; then
1551                 definitely_enable_video_x11_xinerama=no
1552                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
1553                                 have_xinerama_h_hdr=yes,
1554                                 have_xinerama_h_hdr=no,
1555                                 [#include <X11/Xlib.h>
1556                                 ])
1557                 if test x$have_xinerama_h_hdr = xyes; then
1558                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
1559                         echo "-- dynamic libXinerama -> $xinerama_lib"
1560                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
1561                         definitely_enable_video_x11_xinerama=yes
1562                     else
1563                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
1564                         if test x$have_xinerama_lib = xyes ; then
1565                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
1566                             definitely_enable_video_x11_xinerama=yes
1567                         fi
1568                     fi
1569                 fi
1570             fi
1571             if test x$definitely_enable_video_x11_xinerama = xyes; then
1572                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
1573                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
1574             fi
1575             AC_ARG_ENABLE(video-x11-xinput,
1576 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
1577                             , enable_video_x11_xinput=yes)
1578             if test x$enable_video_x11_xinput = xyes; then
1579                 definitely_enable_video_x11_xinput=no
1580                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
1581                                 have_xinput_h_hdr=yes,
1582                                 have_xinput_h_hdr=no,
1583                                 [#include <X11/Xlib.h>
1584                                 ])
1585                 if test x$have_xinput_h_hdr = xyes; then
1586                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
1587                         echo "-- dynamic libXi -> $xinput_lib"
1588                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
1589                         definitely_enable_video_x11_xinput=yes
1590                     else
1591                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
1592                         if test x$have_xinput_lib = xyes ; then
1593                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
1594                             definitely_enable_video_x11_xinput=yes
1595                         fi
1596                     fi
1597                 fi
1598             fi
1599             if test x$definitely_enable_video_x11_xinput = xyes; then
1600                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
1601                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
1602                 AC_MSG_CHECKING(for xinput2 multitouch)
1603                 have_xinput2_multitouch=no
1604                 AC_TRY_COMPILE([
1605                         #include <X11/Xlib.h>
1606                         #include <X11/Xproto.h>
1607                         #include <X11/extensions/XInput2.h>
1608                 ],[
1609 int event_type = XI_TouchBegin;
1610 XITouchClassInfo *t;
1611                 ],[
1612                 have_xinput2_multitouch=yes
1613                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
1614                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
1615                 ])
1616                 AC_MSG_RESULT($have_xinput2_multitouch)
1617             fi
1618             AC_ARG_ENABLE(video-x11-xrandr,
1619 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
1620                             , enable_video_x11_xrandr=yes)
1621             if test x$enable_video_x11_xrandr = xyes; then
1622                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
1623                 definitely_enable_video_x11_xrandr=no
1624                 have_xrandr_h_hdr=no
1625                 AC_TRY_COMPILE([
1626                 #include <X11/Xlib.h>
1627                 #include <X11/extensions/Xrandr.h>
1628                 ],[
1629                 XRRScreenResources *res = NULL;
1630                 ],[
1631                 have_xrandr_h_hdr=yes
1632                 ])
1633                 if test x$have_xrandr_h_hdr = xyes; then
1634                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
1635                         echo "-- dynamic libXrandr -> $xrandr_lib"
1636                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
1637                         definitely_enable_video_x11_xrandr=yes
1638                     else
1639                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
1640                         if test x$have_xrandr_lib = xyes ; then
1641                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
1642                             definitely_enable_video_x11_xrandr=yes
1643                         fi
1644                     fi
1645                 fi
1646             fi
1647             if test x$definitely_enable_video_x11_xrandr = xyes; then
1648                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
1649                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
1650             fi
1651             AC_ARG_ENABLE(video-x11-scrnsaver,
1652 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
1653                             , enable_video_x11_scrnsaver=yes)
1654             if test x$enable_video_x11_scrnsaver = xyes; then
1655                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
1656                                 have_scrnsaver_h_hdr=yes,
1657                                 have_scrnsaver_h_hdr=no,
1658                                 [#include <X11/Xlib.h>
1659                                 ])
1660                 if test x$have_scrnsaver_h_hdr = xyes; then
1661                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
1662                         echo "-- dynamic libXss -> $xss_lib"
1663                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
1664                         definitely_enable_video_x11_scrnsaver=yes
1665                     else
1666                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
1667                         if test x$have_xss_lib = xyes ; then
1668                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
1669                             definitely_enable_video_x11_scrnsaver=yes
1670                         fi
1671                     fi
1672                 fi
1673             fi
1674             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
1675                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
1676                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
1677             fi
1678             AC_ARG_ENABLE(video-x11-xshape,
1679 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
1680                             , enable_video_x11_xshape=yes)
1681             if test x$enable_video_x11_xshape = xyes; then
1682                 AC_CHECK_HEADER(X11/extensions/shape.h,
1683                                 have_shape_h_hdr=yes,
1684                                 have_shape_h_hdr=no,
1685                                 [#include <X11/Xlib.h>
1686                                 ])
1687                 if test x$have_shape_h_hdr = xyes; then
1688                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
1689                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
1690                 fi
1691             fi
1692             AC_ARG_ENABLE(video-x11-vm,
1693 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
1694                             , enable_video_x11_vm=yes)
1695             if test x$enable_video_x11_vm = xyes; then
1696                 definitely_enable_video_x11_vm=no
1697                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
1698                                 have_vm_h_hdr=yes,
1699                                 have_vm_h_hdr=no,
1700                                 [#include <X11/Xlib.h>
1701                                 ])
1702                 if test x$have_vm_h_hdr = xyes; then
1703                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
1704                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
1705                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
1706                         definitely_enable_video_x11_vm=yes
1707                     else
1708                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
1709                         if test x$have_vm_lib = xyes ; then
1710                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
1711                             definitely_enable_video_x11_vm=yes
1712                         fi
1713                     fi
1714                 fi
1715             fi
1716             if test x$definitely_enable_video_x11_vm = xyes; then
1717                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
1718                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
1719             fi
1720         fi
1721     fi
1722 }
1723
1724 dnl Set up the Vivante video driver if enabled
1725 CheckVivanteVideo()
1726 {
1727     AC_ARG_ENABLE(video-vivante,
1728 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
1729                   , enable_video_vivante=yes)
1730     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
1731         AC_MSG_CHECKING(for Vivante VDK API)
1732         have_vivante_vdk=no
1733         AC_TRY_COMPILE([
1734           #define LINUX
1735           #define EGL_API_FB
1736           #include <gc_vdk.h>
1737         ],[
1738         ],[
1739         have_vivante_vdk=yes
1740         ])
1741         AC_MSG_RESULT($have_vivante_vdk)
1742
1743         AC_MSG_CHECKING(for Vivante FB API)
1744         have_vivante_egl=no
1745         AC_TRY_COMPILE([
1746           #define LINUX
1747           #define EGL_API_FB
1748           #include <EGL/eglvivante.h>
1749         ],[
1750         ],[
1751         have_vivante_egl=yes
1752         ])
1753         AC_MSG_RESULT($have_vivante_egl)
1754
1755         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
1756             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
1757             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
1758             if test x$have_vivante_vdk = xyes; then
1759                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
1760                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
1761             fi
1762             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
1763             SUMMARY_video="${SUMMARY_video} vivante"
1764             have_video=yes
1765         fi
1766     fi
1767 }
1768
1769 dnl Set up the Haiku video driver if enabled
1770 CheckHaikuVideo()
1771 {
1772     if test x$enable_video = xyes; then
1773         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
1774         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
1775         have_video=yes
1776         SUMMARY_video="${SUMMARY_video} haiku"
1777     fi
1778 }
1779
1780 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
1781 CheckCOCOA()
1782 {
1783     AC_ARG_ENABLE(video-cocoa,
1784 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
1785                   , enable_video_cocoa=yes)
1786     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
1787         save_CFLAGS="$CFLAGS"
1788         dnl work around that we don't have Objective-C support in autoconf
1789         CFLAGS="$CFLAGS -x objective-c"
1790         AC_MSG_CHECKING(for Cocoa framework)
1791         have_cocoa=no
1792         AC_TRY_COMPILE([
1793           #import <Cocoa/Cocoa.h>
1794         ],[
1795         ],[
1796         have_cocoa=yes
1797         ])
1798         AC_MSG_RESULT($have_cocoa)
1799         CFLAGS="$save_CFLAGS"
1800         if test x$have_cocoa = xyes; then
1801             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
1802             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
1803             SUMMARY_video="${SUMMARY_video} cocoa"
1804             have_video=yes
1805         fi
1806     fi
1807 }
1808
1809 dnl Find DirectFB
1810 CheckDirectFB()
1811 {
1812     AC_ARG_ENABLE(video-directfb,
1813 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
1814                   , enable_video_directfb=no)
1815     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
1816         video_directfb=no
1817
1818         DIRECTFB_REQUIRED_VERSION=1.0.0
1819         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
1820         if test x$DIRECTFBCONFIG = xno; then
1821             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1822             if test x$PKG_CONFIG != xno; then
1823                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
1824                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
1825                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
1826                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
1827                     video_directfb=yes
1828                 fi
1829             fi
1830         else
1831             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
1832             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1833             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
1834             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
1835             if test $HAVE_VERSION -ge $NEED_VERSION; then
1836                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
1837                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
1838                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
1839                 video_directfb=yes
1840             fi
1841         fi
1842         if test x$video_directfb = xyes; then
1843             # SuSE 11.1 installs directfb-config without directfb-devel
1844             save_CPPFLAGS="$CPPFLAGS"
1845             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
1846             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
1847             CPPFLAGS="$save_CPPFLAGS"
1848             video_directfb=$have_directfb_hdr
1849         fi
1850         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
1851         AC_MSG_RESULT($video_directfb)
1852
1853         if test x$video_directfb = xyes; then
1854             AC_ARG_ENABLE(directfb-shared,
1855 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
1856                               , enable_directfb_shared=yes)
1857
1858             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
1859             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
1860             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
1861             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
1862
1863             AC_MSG_CHECKING(for directfb dynamic loading support)
1864             directfb_shared=no
1865             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
1866             # | sed 's/.*\/\(.*\)/\1/; q'`]
1867 AC_MSG_WARN("directfb $directfb_lib")
1868             if test x$have_loadso != xyes && \
1869                test x$enable_directfb_shared = xyes; then
1870                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
1871             fi
1872             if test x$have_loadso = xyes && \
1873                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
1874                 directfb_shared=yes
1875                 echo "-- $directfb_lib_spec -> $directfb_lib"
1876                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
1877                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
1878             else
1879                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
1880                 SUMMARY_video="${SUMMARY_video} directfb"
1881             fi
1882             AC_MSG_RESULT($directfb_shared)
1883             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
1884             have_video=yes
1885         fi
1886     fi
1887 }
1888
1889 dnl Find FusionSound
1890 CheckFusionSound()
1891 {
1892     AC_ARG_ENABLE(fusionsound,
1893 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
1894                   , enable_fusionsound=no)
1895     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
1896         fusionsound=no
1897
1898         FUSIONSOUND_REQUIRED_VERSION=1.1.1
1899
1900         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1901         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
1902         if test x$PKG_CONFIG != xno; then
1903             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
1904                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
1905                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
1906                 fusionsound=yes
1907             fi
1908         fi
1909         AC_MSG_RESULT($fusionsound)
1910
1911         if test x$fusionsound = xyes; then
1912             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
1913             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
1914             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
1915
1916             AC_ARG_ENABLE(fusionsound-shared,
1917 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
1918                           , enable_fusionsound_shared=yes)
1919             fusionsound_shared=no
1920             AC_MSG_CHECKING(for FusionSound dynamic loading support)
1921             if test x$have_loadso != xyes && \
1922                test x$enable_fusionsound_shared = xyes; then
1923                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
1924             fi
1925             if test x$have_loadso = xyes && \
1926                test x$enable_fusionsound_shared = xyes; then
1927                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
1928                 fusionsound_shared=yes
1929                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
1930             else
1931                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
1932                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
1933             fi
1934             AC_MSG_RESULT($fusionsound_shared)
1935
1936             have_audio=yes
1937         fi
1938     fi
1939 }
1940
1941 dnl rcg04172001 Set up the Null video driver.
1942 CheckDummyVideo()
1943 {
1944     AC_ARG_ENABLE(video-dummy,
1945 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
1946                   , enable_video_dummy=yes)
1947     if test x$enable_video_dummy = xyes; then
1948         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
1949         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
1950         have_video=yes
1951         SUMMARY_video="${SUMMARY_video} dummy"
1952     fi
1953 }
1954
1955 dnl Check to see if OpenGL support is desired
1956 AC_ARG_ENABLE(video-opengl,
1957 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
1958               , enable_video_opengl=yes)
1959
1960 dnl Find OpenGL
1961 CheckOpenGLX11()
1962 {
1963     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
1964         AC_MSG_CHECKING(for OpenGL (GLX) support)
1965         video_opengl=no
1966         AC_TRY_COMPILE([
1967          #include <GL/gl.h>
1968          #include <GL/glx.h>
1969         ],[
1970         ],[
1971         video_opengl=yes
1972         ])
1973         AC_MSG_RESULT($video_opengl)
1974         if test x$video_opengl = xyes; then
1975             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
1976             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
1977             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
1978             SUMMARY_video="${SUMMARY_video} opengl"
1979         fi
1980     fi
1981 }
1982
1983 dnl Check to see if OpenGL ES support is desired
1984 AC_ARG_ENABLE(video-opengles,
1985 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
1986               , enable_video_opengles=yes)
1987 AC_ARG_ENABLE(video-opengles1,
1988 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
1989               , enable_video_opengles1=yes)
1990 AC_ARG_ENABLE(video-opengles2,
1991 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
1992               , enable_video_opengles2=yes)
1993
1994 dnl Find OpenGL ES
1995 CheckOpenGLESX11()
1996 {
1997     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
1998         AC_MSG_CHECKING(for EGL support)
1999         video_opengl_egl=no
2000         AC_TRY_COMPILE([
2001           #define LINUX
2002           #define EGL_API_FB
2003           #include <EGL/egl.h>
2004           #include <EGL/eglext.h>
2005         ],[
2006         ],[
2007         video_opengl_egl=yes
2008         ])
2009         AC_MSG_RESULT($video_opengl_egl)
2010         if test x$video_opengl_egl = xyes; then
2011             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2012         fi
2013
2014         if test x$enable_video_opengles1 = xyes; then
2015             AC_MSG_CHECKING(for OpenGL ES v1 headers)
2016             video_opengles_v1=no
2017             AC_TRY_COMPILE([
2018              #include <GLES/gl.h>
2019              #include <GLES/glext.h>
2020             ],[
2021             ],[
2022             video_opengles_v1=yes
2023             ])
2024             AC_MSG_RESULT($video_opengles_v1)
2025             if test x$video_opengles_v1 = xyes; then
2026                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
2027                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
2028                 SUMMARY_video="${SUMMARY_video} opengl_es1"
2029             fi
2030         fi
2031
2032         if test x$enable_video_opengles2 = xyes; then
2033             AC_MSG_CHECKING(for OpenGL ES v2 headers)
2034             video_opengles_v2=no
2035             AC_TRY_COMPILE([
2036              #include <GLES2/gl2.h>
2037              #include <GLES2/gl2ext.h>
2038             ],[
2039             ],[
2040             video_opengles_v2=yes
2041             ])
2042             AC_MSG_RESULT($video_opengles_v2)
2043             if test x$video_opengles_v2 = xyes; then
2044                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2045                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2046                 SUMMARY_video="${SUMMARY_video} opengl_es2"
2047             fi
2048         fi
2049     fi
2050 }
2051
2052 dnl Check for Windows OpenGL
2053 CheckWINDOWSGL()
2054 {
2055     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2056         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2057         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
2058         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2059         SUMMARY_video="${SUMMARY_video} opengl"
2060     fi
2061 }
2062
2063 dnl Check for Windows OpenGL
2064 CheckWINDOWSGLES()
2065 {
2066     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2067
2068         AC_MSG_CHECKING(for EGL support)
2069         video_opengl_egl=no
2070         AC_TRY_COMPILE([
2071          #include <EGL/egl.h>
2072         ],[
2073         ],[
2074         video_opengl_egl=yes
2075         ])
2076         AC_MSG_RESULT($video_opengl_egl)
2077         if test x$video_opengl_egl = xyes; then
2078             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2079             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2080             SUMMARY_video="${SUMMARY_video} opengl_es1"
2081         fi
2082
2083         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2084         video_opengles_v2=no
2085         AC_TRY_COMPILE([
2086          #include <GLES2/gl2.h>
2087          #include <GLES2/gl2ext.h>
2088         ],[
2089         ],[
2090         video_opengles_v2=yes
2091         ])
2092         AC_MSG_RESULT($video_opengles_v2)
2093         if test x$video_opengles_v2 = xyes; then
2094             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2095             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2096             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2097             SUMMARY_video="${SUMMARY_video} opengl_es2"
2098         fi
2099     fi
2100 }
2101
2102 dnl Check for Haiku OpenGL
2103 CheckHaikuGL()
2104 {
2105     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2106         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2107         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
2108         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2109         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
2110         SUMMARY_video="${SUMMARY_video} opengl"
2111     fi
2112 }
2113
2114 dnl Check for MacOS OpenGL
2115 CheckMacGL()
2116 {
2117     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
2118         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
2119         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
2120         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
2121         SUMMARY_video="${SUMMARY_video} opengl"
2122     fi
2123 }
2124
2125 CheckEmscriptenGLES()
2126 {
2127     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
2128         AC_MSG_CHECKING(for EGL support)
2129         video_opengl_egl=no
2130         AC_TRY_COMPILE([
2131          #include <EGL/egl.h>
2132         ],[
2133         ],[
2134         video_opengl_egl=yes
2135         ])
2136         AC_MSG_RESULT($video_opengl_egl)
2137         if test x$video_opengl_egl = xyes; then
2138             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
2139         fi
2140
2141         AC_MSG_CHECKING(for OpenGL ES v2 headers)
2142         video_opengles_v2=no
2143         AC_TRY_COMPILE([
2144          #include <GLES2/gl2.h>
2145          #include <GLES2/gl2ext.h>
2146         ],[
2147         ],[
2148         video_opengles_v2=yes
2149         ])
2150         AC_MSG_RESULT($video_opengles_v2)
2151         if test x$video_opengles_v2 = xyes; then
2152             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
2153             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
2154             SUMMARY_video="${SUMMARY_video} opengl_es2"
2155         fi
2156     fi
2157 }
2158
2159 dnl See if we can use the new unified event interface in Linux 2.4
2160 CheckInputEvents()
2161 {
2162     dnl Check for Linux 2.4 unified input event interface support
2163         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
2164         use_input_events=no
2165         AC_TRY_COMPILE([
2166           #include <linux/input.h>
2167         ],[
2168           #ifndef EVIOCGNAME
2169           #error EVIOCGNAME() ioctl not available
2170           #endif
2171         ],[
2172         use_input_events=yes
2173         ])
2174         AC_MSG_RESULT($use_input_events)
2175         if test x$use_input_events = xyes; then
2176             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
2177             SUMMARY_input="${SUMMARY_input} linuxev"
2178         fi
2179 }
2180
2181 dnl See if we can use the kernel kd.h header
2182 CheckInputKD()
2183 {
2184
2185     AC_MSG_CHECKING(for Linux kd.h)
2186     use_input_kd=no
2187     AC_TRY_COMPILE([
2188       #include <linux/kd.h>
2189       #include <linux/keyboard.h>
2190     ],[
2191         struct kbentry kbe;
2192         kbe.kb_table = KG_CTRL;
2193         ioctl(0, KDGKBENT, &kbe);
2194     ],[
2195     use_input_kd=yes
2196     ])
2197     AC_MSG_RESULT($use_input_kd)
2198     if test x$use_input_kd = xyes; then
2199         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
2200         SUMMARY_input="${SUMMARY_input} linuxkd"
2201     fi
2202 }
2203
2204 dnl See if the platform offers libudev for device enumeration and hotplugging.
2205 CheckLibUDev()
2206 {
2207     AC_ARG_ENABLE(libudev,
2208 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
2209                         , enable_libudev=yes)
2210     if test x$enable_libudev = xyes; then
2211         AC_CHECK_HEADER(libudev.h,
2212                         have_libudev_h_hdr=yes,
2213                         have_libudev_h_hdr=no)
2214         if test x$have_libudev_h_hdr = xyes; then
2215             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
2216         fi
2217     fi
2218 }
2219
2220 dnl See if the platform offers libdbus for various IPC techniques.
2221 CheckDBus()
2222 {
2223     AC_ARG_ENABLE(dbus,
2224 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
2225                         , enable_dbus=yes)
2226     if test x$enable_dbus = xyes; then
2227         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2228         if test x$PKG_CONFIG != xno; then
2229             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
2230             save_CFLAGS="$CFLAGS"
2231             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
2232             AC_CHECK_HEADER(dbus/dbus.h,
2233                             have_dbus_dbus_h_hdr=yes,
2234                             have_dbus_dbus_h_hdr=no)
2235             CFLAGS="$save_CFLAGS"
2236             if test x$have_dbus_dbus_h_hdr = xyes; then
2237                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
2238                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
2239                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
2240             fi
2241         fi
2242     fi
2243 }
2244
2245 dnl See if the platform has libibus IME support.
2246 CheckIBus()
2247 {
2248     AC_ARG_ENABLE(ibus,
2249 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
2250                   , enable_ibus=yes)
2251     if test x$enable_ibus = xyes; then
2252         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2253         if test x$PKG_CONFIG != xno; then
2254             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
2255             save_CFLAGS="$CFLAGS"
2256             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
2257             AC_CHECK_HEADER(ibus-1.0/ibus.h,
2258                             have_ibus_ibus_h_hdr=yes,
2259                             have_ibus_ibus_h_hdr=no)
2260             AC_CHECK_HEADER(sys/inotify.h,
2261                             have_inotify_inotify_h_hdr=yes,
2262                             have_inotify_inotify_h_hdr=no)
2263             CFLAGS="$save_CFLAGS"
2264             if test x$have_ibus_ibus_h_hdr = xyes; then
2265                 if test x$enable_dbus != xyes; then
2266                     AC_MSG_WARN([DBus support is required for IBus.])
2267                     have_ibus_ibus_h_hdr=no
2268                 elif test x$have_inotify_inotify_h_hdr != xyes; then
2269                     AC_MSG_WARN([INotify support is required for IBus.])
2270                     have_ibus_ibus_h_hdr=no
2271                 else
2272                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
2273                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
2274                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
2275                fi
2276             fi
2277         fi
2278     fi
2279 }
2280
2281 dnl See if we can use the Touchscreen input library
2282 CheckTslib()
2283 {
2284     AC_ARG_ENABLE(input-tslib,
2285 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
2286                   , enable_input_tslib=yes)
2287     if test x$enable_input_tslib = xyes; then
2288         AC_MSG_CHECKING(for Touchscreen library support)
2289         enable_input_tslib=no
2290         AC_TRY_COMPILE([
2291           #include "tslib.h"
2292         ],[
2293         ],[
2294         enable_input_tslib=yes
2295         ])
2296         AC_MSG_RESULT($enable_input_tslib)
2297         if test x$enable_input_tslib = xyes; then
2298             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
2299             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
2300             SUMMARY_input="${SUMMARY_input} ts"
2301         fi
2302     fi
2303 }
2304
2305 dnl See what type of thread model to use on Linux and Solaris
2306 CheckPTHREAD()
2307 {
2308     dnl Check for pthread support
2309     AC_ARG_ENABLE(pthreads,
2310 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
2311                   , enable_pthreads=yes)
2312     dnl This is used on Linux for glibc binary compatibility (Doh!)
2313     AC_ARG_ENABLE(pthread-sem,
2314 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
2315                   , enable_pthread_sem=yes)
2316     case "$host" in
2317          *-*-androideabi*)
2318             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2319             pthread_lib=""
2320             ;;
2321         *-*-linux*|*-*-uclinux*)
2322             pthread_cflags="-D_REENTRANT"
2323             pthread_lib="-lpthread"
2324             ;;
2325         *-*-bsdi*)
2326             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2327             pthread_lib=""
2328             ;;
2329         *-*-darwin*)
2330             pthread_cflags="-D_THREAD_SAFE"
2331 # causes Carbon.p complaints?
2332 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2333             ;;
2334         *-*-freebsd*|*-*-dragonfly*)
2335             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2336             pthread_lib="-pthread"
2337             ;;
2338         *-*-netbsd*)
2339             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
2340             pthread_lib="-lpthread"
2341             ;;
2342         *-*-openbsd*)
2343             pthread_cflags="-D_REENTRANT"
2344             pthread_lib="-pthread"
2345             ;;
2346         *-*-solaris2.9)
2347             # From Solaris 9+, posix4's preferred name is rt.
2348             pthread_cflags="-D_REENTRANT"
2349             pthread_lib="-lpthread -lrt"
2350             ;;
2351         *-*-solaris2.10)
2352             # Solaris 10+ merged pthread into libc.
2353             pthread_cflags="-D_REENTRANT"
2354             pthread_lib="-lrt"
2355             ;;
2356         *-*-solaris*)
2357             # Solaris 11+ merged rt into libc.
2358             pthread_cflags="-D_REENTRANT"
2359             pthread_lib=""
2360             ;;
2361         *-*-sysv5*)
2362             pthread_cflags="-D_REENTRANT -Kthread"
2363             pthread_lib=""
2364             ;;
2365         *-*-aix*)
2366             pthread_cflags="-D_REENTRANT -mthreads"
2367             pthread_lib="-lpthread"
2368             ;;
2369         *-*-hpux11*)
2370             pthread_cflags="-D_REENTRANT"
2371             pthread_lib="-L/usr/lib -lpthread"
2372             ;;
2373         *-*-haiku*)
2374             pthread_cflags="-D_REENTRANT"
2375             pthread_lib=""
2376             ;;
2377         *)
2378             pthread_cflags="-D_REENTRANT"
2379             pthread_lib="-lpthread"
2380             ;;
2381     esac
2382     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
2383         # Save the original compiler flags and libraries
2384         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2385         # Add the pthread compiler flags and libraries
2386         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2387         # Check to see if we have pthread support on this system
2388         AC_MSG_CHECKING(for pthreads)
2389         use_pthreads=no
2390         AC_TRY_LINK([
2391          #include <pthread.h>
2392         ],[
2393          pthread_attr_t type;
2394          pthread_attr_init(&type);
2395         ],[
2396         use_pthreads=yes
2397         ])
2398         AC_MSG_RESULT($use_pthreads)
2399         # Restore the compiler flags and libraries
2400         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2401
2402         # Do futher testing if we have pthread support...
2403         if test x$use_pthreads = xyes; then
2404             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
2405             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
2406             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
2407             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
2408
2409             # Save the original compiler flags and libraries
2410             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
2411             # Add the pthread compiler flags and libraries
2412             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
2413
2414             # Check to see if recursive mutexes are available
2415             AC_MSG_CHECKING(for recursive mutexes)
2416             has_recursive_mutexes=no
2417             if test x$has_recursive_mutexes = xno; then
2418                 AC_TRY_LINK([
2419                   #define _GNU_SOURCE 1
2420                   #include <pthread.h>
2421                 ],[
2422                   pthread_mutexattr_t attr;
2423                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
2424                 ],[
2425                 has_recursive_mutexes=yes
2426                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
2427                 ])
2428             fi
2429             if test x$has_recursive_mutexes = xno; then
2430                 AC_TRY_LINK([
2431                   #define _GNU_SOURCE 1
2432                   #include <pthread.h>
2433                 ],[
2434                   pthread_mutexattr_t attr;
2435                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
2436                 ],[
2437                 has_recursive_mutexes=yes
2438                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
2439                 ])
2440             fi
2441             AC_MSG_RESULT($has_recursive_mutexes)
2442
2443             # Check to see if pthread semaphore support is missing
2444             if test x$enable_pthread_sem = xyes; then
2445                 AC_MSG_CHECKING(for pthread semaphores)
2446                 have_pthread_sem=no
2447                 AC_TRY_COMPILE([
2448                   #include <pthread.h>
2449                   #include <semaphore.h>
2450                 ],[
2451                 ],[
2452                 have_pthread_sem=yes
2453                 ])
2454                 AC_MSG_RESULT($have_pthread_sem)
2455             fi
2456             if test x$have_pthread_sem = xyes; then
2457                 AC_MSG_CHECKING(for sem_timedwait)
2458                 have_sem_timedwait=no
2459                 AC_TRY_LINK([
2460                   #include <pthread.h>
2461                   #include <semaphore.h>
2462                 ],[
2463                   sem_timedwait(NULL, NULL);
2464                 ],[
2465                 have_sem_timedwait=yes
2466                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
2467                 ])
2468                 AC_MSG_RESULT($have_sem_timedwait)
2469             fi
2470
2471             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
2472             if test x$have_pthread_np_h = xyes; then
2473                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
2474             fi
2475
2476             # Check to see if pthread naming is available
2477             AC_MSG_CHECKING(for pthread_setname_np)
2478             AC_TRY_LINK_FUNC(pthread_setname_np, [
2479               has_pthread_setname_np=yes
2480               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
2481             ],[
2482               has_pthread_setname_np=no
2483             ])
2484             AC_MSG_RESULT($has_pthread_setname_np)
2485
2486             AC_MSG_CHECKING(for pthread_set_name_np)
2487             AC_TRY_LINK_FUNC(pthread_set_name_np, [
2488               has_pthread_set_name_np=yes
2489               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
2490             ],[
2491               has_pthread_set_name_np=no
2492             ])
2493             AC_MSG_RESULT($has_pthread_set_name_np)
2494
2495             # Restore the compiler flags and libraries
2496             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
2497
2498             # Basic thread creation functions
2499             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
2500
2501             # Semaphores
2502             # We can fake these with mutexes and condition variables if necessary
2503             if test x$have_pthread_sem = xyes; then
2504                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
2505             else
2506                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
2507             fi
2508
2509             # Mutexes
2510             # We can fake these with semaphores if necessary
2511             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
2512
2513             # Condition variables
2514             # We can fake these with semaphores and mutexes if necessary
2515             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
2516
2517             # Thread local storage
2518             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
2519
2520             have_threads=yes
2521         fi
2522     fi
2523 }
2524
2525 dnl Determine whether the compiler can produce Windows executables
2526 CheckWINDOWS()
2527 {
2528     AC_MSG_CHECKING(Windows compiler)
2529     have_win32_gcc=no
2530     AC_TRY_COMPILE([
2531      #include <windows.h>
2532     ],[
2533     ],[
2534     have_win32_gcc=yes
2535     ])
2536     AC_MSG_RESULT($have_win32_gcc)
2537     if test x$have_win32_gcc != xyes; then
2538        AC_MSG_ERROR([
2539 *** Your compiler ($CC) does not produce Windows executables!
2540        ])
2541     fi
2542
2543     AC_MSG_CHECKING(Windows CE)
2544     have_wince=no
2545     AC_TRY_COMPILE([
2546 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
2547 #error This is not Windows CE
2548 #endif
2549     ],[
2550     ],[
2551     have_wince=yes
2552        AC_MSG_ERROR([
2553 *** Sorry, Windows CE is no longer supported.
2554        ])
2555     ])
2556     AC_MSG_RESULT($have_wince)
2557
2558     # This fixes Windows stack alignment with newer GCC
2559     CheckStackBoundary
2560 }
2561
2562 dnl Find the DirectX includes and libraries
2563 CheckDIRECTX()
2564 {
2565     AC_ARG_ENABLE(directx,
2566 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
2567                   , enable_directx=yes)
2568     if test x$enable_directx = xyes; then
2569         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
2570         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
2571         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
2572         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
2573         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
2574         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
2575         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
2576         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
2577
2578         if test x$have_ddraw = xyes; then
2579             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
2580         fi
2581         if test x$have_dinput = xyes; then
2582             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
2583         fi
2584         if test x$have_dsound = xyes; then
2585             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
2586         fi
2587         if test x$have_dxgi = xyes; then
2588             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
2589         fi
2590         if test x$have_xinput = xyes; then
2591             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
2592         fi
2593
2594         SUMMARY_video="${SUMMARY_video} directx"
2595         SUMMARY_audio="${SUMMARY_audio} directx"
2596
2597         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
2598         # FIXME:  ...so force it off for now.
2599         case "$host" in
2600             *-*-cygwin*)
2601             have_dinput=false
2602             ;;
2603         esac
2604     fi
2605 }
2606
2607 dnl Check for the dlfcn.h interface for dynamically loading objects
2608 CheckDLOPEN()
2609 {
2610     AC_ARG_ENABLE(sdl-dlopen,
2611 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
2612                   , enable_sdl_dlopen=yes)
2613     if test x$enable_sdl_dlopen = xyes; then
2614         AC_MSG_CHECKING(for dlopen)
2615         have_dlopen=no
2616         AC_TRY_COMPILE([
2617          #include <dlfcn.h>
2618         ],[
2619          void *handle = dlopen("", RTLD_NOW);
2620          const char *loaderror = (char *) dlerror();
2621         ],[
2622         have_dlopen=yes
2623         ])
2624         AC_MSG_RESULT($have_dlopen)
2625
2626         if test x$have_dlopen = xyes; then
2627             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
2628                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
2629                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
2630             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
2631             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
2632             have_loadso=yes
2633         fi
2634     fi
2635 }
2636
2637 dnl Check for the usbhid(3) library on *BSD
2638 CheckUSBHID()
2639 {
2640     case "$host" in
2641         *-*-*bsd*)
2642             if test x$enable_joystick = xyes; then
2643                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
2644                 if test x$have_libusbhid = xyes; then
2645                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
2646                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
2647                     USB_LIBS="$USB_LIBS -lusbhid"
2648                 else
2649                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
2650                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
2651                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
2652                 fi
2653
2654                 save_CFLAGS="$CFLAGS"
2655                 CFLAGS="$CFLAGS $USB_CFLAGS"
2656
2657                 AC_MSG_CHECKING(for usbhid)
2658                 have_usbhid=no
2659                 AC_TRY_COMPILE([
2660                   #include <sys/types.h>
2661                   #if defined(HAVE_USB_H)
2662                   #include <usb.h>
2663                   #endif
2664                   #ifdef __DragonFly__
2665                   # include <bus/usb/usb.h>
2666                   # include <bus/usb/usbhid.h>
2667                   #else
2668                   # include <dev/usb/usb.h>
2669                   # include <dev/usb/usbhid.h>
2670                   #endif
2671                   #if defined(HAVE_USBHID_H)
2672                   #include <usbhid.h>
2673                   #elif defined(HAVE_LIBUSB_H)
2674                   #include <libusb.h>
2675                   #elif defined(HAVE_LIBUSBHID_H)
2676                   #include <libusbhid.h>
2677                   #endif
2678                 ],[
2679                   struct report_desc *repdesc;
2680                   struct usb_ctl_report *repbuf;
2681                   hid_kind_t hidkind;
2682                 ],[
2683                 have_usbhid=yes
2684                 ])
2685                 AC_MSG_RESULT($have_usbhid)
2686
2687                 if test x$have_usbhid = xyes; then
2688                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
2689                     have_usbhid_ucr_data=no
2690                     AC_TRY_COMPILE([
2691                       #include <sys/types.h>
2692                       #if defined(HAVE_USB_H)
2693                       #include <usb.h>
2694                       #endif
2695                       #ifdef __DragonFly__
2696                       # include <bus/usb/usb.h>
2697                       # include <bus/usb/usbhid.h>
2698                       #else
2699                       # include <dev/usb/usb.h>
2700                       # include <dev/usb/usbhid.h>
2701                       #endif
2702                       #if defined(HAVE_USBHID_H)
2703                       #include <usbhid.h>
2704                       #elif defined(HAVE_LIBUSB_H)
2705                       #include <libusb.h>
2706                       #elif defined(HAVE_LIBUSBHID_H)
2707                       #include <libusbhid.h>
2708                       #endif
2709                     ],[
2710                       struct usb_ctl_report buf;
2711                       if (buf.ucr_data) { }
2712                     ],[
2713                     have_usbhid_ucr_data=yes
2714                     ])
2715                     if test x$have_usbhid_ucr_data = xyes; then
2716                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
2717                     fi
2718                     AC_MSG_RESULT($have_usbhid_ucr_data)
2719
2720                     AC_MSG_CHECKING(for new usbhid API)
2721                     have_usbhid_new=no
2722                     AC_TRY_COMPILE([
2723                       #include <sys/types.h>
2724                       #if defined(HAVE_USB_H)
2725                       #include <usb.h>
2726                       #endif
2727                       #ifdef __DragonFly__
2728                       #include <bus/usb/usb.h>
2729                       #include <bus/usb/usbhid.h>
2730                       #else
2731                       #include <dev/usb/usb.h>
2732                       #include <dev/usb/usbhid.h>
2733                       #endif
2734                       #if defined(HAVE_USBHID_H)
2735                       #include <usbhid.h>
2736                       #elif defined(HAVE_LIBUSB_H)
2737                       #include <libusb.h>
2738                       #elif defined(HAVE_LIBUSBHID_H)
2739                       #include <libusbhid.h>
2740                       #endif
2741                     ],[
2742                       report_desc_t d;
2743                       hid_start_parse(d, 1, 1);
2744                     ],[
2745                     have_usbhid_new=yes
2746                     ])
2747                     if test x$have_usbhid_new = xyes; then
2748                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
2749                     fi
2750                     AC_MSG_RESULT($have_usbhid_new)
2751
2752                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
2753                     have_machine_joystick=no
2754                     AC_TRY_COMPILE([
2755                       #include <machine/joystick.h>
2756                     ],[
2757                       struct joystick t;
2758                     ],[
2759                     have_machine_joystick=yes
2760                     ])
2761                     if test x$have_machine_joystick = xyes; then
2762                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
2763                     fi
2764                     AC_MSG_RESULT($have_machine_joystick)
2765
2766                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
2767                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
2768                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
2769                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
2770                     have_joystick=yes
2771                 fi
2772                 CFLAGS="$save_CFLAGS"
2773             fi
2774         ;;
2775     esac
2776 }
2777
2778 dnl Check for clock_gettime()
2779 CheckClockGettime()
2780 {
2781     AC_ARG_ENABLE(clock_gettime,
2782 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
2783                   , enable_clock_gettime=yes)
2784     if test x$enable_clock_gettime = xyes; then
2785         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
2786         if test x$have_clock_gettime = xyes; then
2787             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2788             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
2789         else
2790             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
2791             if test x$have_clock_gettime = xyes; then
2792                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
2793                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
2794             fi
2795         fi
2796     fi
2797 }
2798
2799 dnl Check for a valid linux/version.h
2800 CheckLinuxVersion()
2801 {
2802     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
2803     if test x$have_linux_version_h = xyes; then
2804         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
2805     fi
2806 }
2807
2808 dnl Check if we want to use RPATH
2809 CheckRPATH()
2810 {
2811     AC_ARG_ENABLE(rpath,
2812 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
2813                   , enable_rpath=yes)
2814 }
2815
2816 dnl Set up the configuration based on the host platform!
2817 case "$host" in
2818     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
2819         case "$host" in
2820             *-raspberry-linux*)
2821                 # Raspberry Pi
2822                 ARCH=linux
2823                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
2824                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2825                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2826                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2827                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
2828
2829                 if test x$enable_video = xyes; then
2830                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2831                     # FIXME: confdefs? Not AC_DEFINE?
2832                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2833                     SUMMARY_video="${SUMMARY_video} rpi"
2834                 fi
2835                 ;;
2836             *-*-androideabi*)
2837                 # Android
2838                 ARCH=android
2839                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
2840                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
2841                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
2842                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
2843                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
2844
2845                 if test x$enable_video = xyes; then
2846                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
2847                     # FIXME: confdefs? Not AC_DEFINE?
2848                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
2849                     SUMMARY_video="${SUMMARY_video} android"
2850                 fi
2851                 ;;
2852             *-*-linux*)         ARCH=linux ;;
2853             *-*-uclinux*)       ARCH=linux ;;
2854             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
2855             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
2856             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
2857             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
2858             *-*-bsdi*)          ARCH=bsdi ;;
2859             *-*-freebsd*)       ARCH=freebsd ;;
2860             *-*-dragonfly*)     ARCH=freebsd ;;
2861             *-raspberry-netbsd*)
2862                 # Raspberry Pi
2863                 ARCH=netbsd
2864                 RPI_CFLAGS="-I/usr/pkg/include -I/usr/pkg/include/interface/vcos/pthreads -I/usr/pkg/include/interface/vmcs_host/linux"
2865                 CFLAGS="$CFLAGS $RPI_CFLAGS"
2866                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
2867                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
2868                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lbcm_host -ldl"
2869
2870                 if test x$enable_video = xyes; then
2871                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
2872                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
2873                     SUMMARY_video="${SUMMARY_video} raspberry"
2874                 fi
2875                 ;;
2876             *-*-netbsd*)        ARCH=netbsd ;;
2877             *-*-openbsd*)       ARCH=openbsd ;;
2878             *-*-sysv5*)         ARCH=sysv5 ;;
2879             *-*-solaris*)       ARCH=solaris ;;
2880             *-*-hpux*)          ARCH=hpux ;;
2881             *-*-aix*)           ARCH=aix ;;
2882             *-*-minix*)         ARCH=minix ;;
2883         esac
2884         CheckVisibilityHidden
2885         CheckDummyVideo
2886         CheckDiskAudio
2887         CheckDummyAudio
2888         CheckDLOPEN
2889         CheckOSS
2890         CheckALSA
2891         CheckPulseAudio
2892         CheckARTSC
2893         CheckESD
2894         CheckNAS
2895         CheckSNDIO
2896         CheckX11
2897         CheckDirectFB
2898         CheckFusionSound
2899         CheckOpenGLX11
2900         CheckOpenGLESX11
2901         CheckMir
2902         CheckWayland
2903         CheckLibUDev
2904         CheckDBus
2905         CheckIBus
2906         case $ARCH in
2907           linux)
2908               CheckInputEvents
2909               CheckInputKD
2910           ;;
2911         esac
2912         CheckTslib
2913         CheckUSBHID
2914         CheckPTHREAD
2915         CheckClockGettime
2916         CheckLinuxVersion
2917         CheckRPATH
2918         CheckVivanteVideo
2919         # Set up files for the audio library
2920         if test x$enable_audio = xyes; then
2921           case $ARCH in
2922             sysv5|solaris|hpux)
2923                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
2924                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
2925                 have_audio=yes
2926             ;;
2927             netbsd)  # Don't use this on OpenBSD, it's busted.
2928                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
2929                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
2930                 have_audio=yes
2931             ;;
2932             aix)
2933                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
2934                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
2935                 have_audio=yes
2936             ;;
2937             android)
2938                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
2939                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
2940                 SUMMARY_audio="${SUMMARY_audio} android"
2941                 have_audio=yes
2942             ;;
2943           esac
2944         fi
2945         # Set up files for the joystick library
2946         if test x$enable_joystick = xyes; then
2947           case $ARCH in
2948             linux)
2949                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
2950                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
2951                 have_joystick=yes
2952             ;;
2953             android)
2954                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
2955                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
2956                 have_joystick=yes
2957             ;;
2958           esac
2959         fi
2960         # Set up files for the haptic library
2961         if test x$enable_haptic = xyes; then
2962            if test x$use_input_events = xyes; then
2963              case $ARCH in
2964                linux)
2965                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
2966                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
2967                    have_haptic=yes
2968                ;;
2969              esac
2970            fi
2971         fi
2972         # Set up files for the power library
2973         if test x$enable_power = xyes; then
2974              case $ARCH in
2975                linux)
2976                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
2977                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
2978                    have_power=yes
2979                ;;
2980                android)
2981                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
2982                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
2983                    have_power=yes
2984                ;;
2985              esac
2986         fi
2987         # Set up files for the filesystem library
2988         if test x$enable_filesystem = xyes; then
2989              case $ARCH in
2990                android)
2991                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
2992                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
2993                    have_filesystem=yes
2994                ;;
2995                *)
2996                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
2997                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
2998                    have_filesystem=yes
2999                ;;
3000              esac
3001         fi
3002         # Set up files for the timer library
3003         if test x$enable_timers = xyes; then
3004             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3005             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3006             have_timers=yes
3007         fi
3008         # Set up files for udev hotplugging support
3009         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
3010             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"
3011         fi
3012         # Set up files for evdev input
3013         if test x$use_input_events = xyes; then
3014             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
3015         fi
3016         ;;
3017     *-*-cygwin* | *-*-mingw32*)
3018         ARCH=win32
3019         if test "$build" != "$host"; then # cross-compiling
3020             # Default cross-compile location
3021             ac_default_prefix=/usr/local/cross-tools/$host
3022         else
3023             # Look for the location of the tools and install there
3024             if test "$BUILD_PREFIX" != ""; then
3025                 ac_default_prefix=$BUILD_PREFIX
3026             fi
3027         fi
3028         CheckDummyVideo
3029         CheckDiskAudio
3030         CheckDummyAudio
3031         CheckWINDOWS
3032         CheckWINDOWSGL
3033         CheckWINDOWSGLES
3034         CheckDIRECTX
3035
3036         # Set up the core platform files
3037         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
3038
3039         # Set up files for the video library
3040         if test x$enable_video = xyes; then
3041             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
3042             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
3043             have_video=yes
3044             AC_ARG_ENABLE(render-d3d,
3045 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
3046                                 , enable_render_d3d=yes)
3047             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
3048                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
3049             fi
3050             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
3051                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
3052             fi
3053         fi
3054         # Set up files for the audio library
3055         if test x$enable_audio = xyes; then
3056             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
3057             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
3058             if test x$have_dsound = xyes; then
3059                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
3060                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
3061             fi
3062             if test x$have_xaudio2 = xyes; then
3063                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
3064                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
3065             fi
3066             have_audio=yes
3067         fi
3068         # Set up files for the joystick library
3069         if test x$enable_joystick = xyes; then
3070             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3071                 if test x$have_xinput = xyes; then
3072                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
3073                 fi
3074                 if test x$have_dinput = xyes; then
3075                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
3076                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
3077                 fi
3078             else
3079                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
3080             fi
3081             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
3082             have_joystick=yes
3083         fi
3084         if test x$enable_haptic = xyes; then
3085             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
3086                 if test x$have_xinput = xyes; then
3087                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
3088                 fi
3089                 if test x$have_dinput = xyes; then
3090                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
3091                 fi
3092                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
3093                 have_haptic=yes
3094             fi
3095         fi
3096         if test x$enable_power = xyes; then
3097             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
3098             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
3099             have_power=yes
3100         fi
3101         if test x$enable_filesystem = xyes; then
3102             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
3103             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
3104             have_filesystem=yes
3105         fi
3106         # Set up files for the thread library
3107         if test x$enable_threads = xyes; then
3108             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
3109             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
3110             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
3111             have_threads=yes
3112         fi
3113         # Set up files for the timer library
3114         if test x$enable_timers = xyes; then
3115             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
3116             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
3117             have_timers=yes
3118         fi
3119         # Set up files for the shared object loading library
3120         if test x$enable_loadso = xyes; then
3121             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
3122             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
3123             have_loadso=yes
3124         fi
3125         # Set up the system libraries we need
3126         if test -f /lib/w32api/libuuid.a; then
3127             LIBUUID=/lib/w32api/libuuid.a
3128         else
3129             LIBUUID=-luuid
3130         fi
3131         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
3132         # The Windows platform requires special setup
3133         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
3134         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
3135         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
3136         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
3137
3138         # Check to see if this is a mingw or cygwin build
3139         have_mingw32=
3140         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
3141         if test x$have_mingw32 = xyes; then
3142             SDL_LIBS="-lmingw32 $SDL_LIBS"
3143         else
3144             SDL_LIBS="-lcygwin $SDL_LIBS"
3145         fi
3146         ;;
3147
3148     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
3149     *-*-beos*)
3150         AC_MSG_ERROR([
3151 *** BeOS support has been removed as of SDL 2.0.2.
3152         ])
3153         ;;
3154
3155     *-*-haiku*)
3156         ARCH=haiku
3157         ac_default_prefix=/boot/system
3158         CheckDummyVideo
3159         CheckDiskAudio
3160         CheckDummyAudio
3161         CheckHaikuVideo
3162         CheckHaikuGL
3163         CheckPTHREAD
3164
3165         # Set up files for the audio library
3166         if test x$enable_audio = xyes; then
3167             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
3168             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
3169             have_audio=yes
3170         fi
3171         # Set up files for the joystick library
3172         if test x$enable_joystick = xyes; then
3173             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
3174             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
3175             have_joystick=yes
3176         fi
3177         # Set up files for the timer library
3178         if test x$enable_timers = xyes; then
3179             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
3180             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
3181             have_timers=yes
3182         fi
3183         # Set up files for the shared object loading library
3184         if test x$enable_loadso = xyes; then
3185             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
3186             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
3187             have_loadso=yes
3188         fi
3189         # Set up files for the system power library
3190         if test x$enable_power = xyes; then
3191             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
3192             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
3193             have_power=yes
3194         fi
3195         # Set up files for the system filesystem library
3196         if test x$enable_filesystem = xyes; then
3197             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
3198             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
3199             have_filesystem=yes
3200         fi
3201         # The Haiku platform requires special setup.
3202         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
3203         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
3204         ;;
3205     arm*-apple-darwin*)
3206         # iOS - We are not writing anything to confdefs.h because you have to replace
3207         # SDL_config.h for SDL_config_iphoneos.h anyway
3208         ARCH=ios
3209
3210         CheckVisibilityHidden
3211         CheckDummyVideo
3212         CheckDiskAudio
3213         CheckDummyAudio
3214         CheckDLOPEN
3215         CheckCOCOA
3216         CheckPTHREAD
3217
3218
3219         # Set up files for the audio library
3220         if test x$enable_audio = xyes; then
3221             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3222             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3223             have_audio=yes
3224         fi
3225         # Set up files for the joystick library
3226         if test x$enable_joystick = xyes; then
3227             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
3228             have_joystick=yes
3229         fi
3230         # Set up files for the haptic library
3231         #if test x$enable_haptic = xyes; then
3232         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3233         #    have_haptic=yes
3234         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3235         #fi
3236         # Set up files for the power library
3237         if test x$enable_power = xyes; then
3238             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
3239             have_power=yes
3240         fi
3241         # Set up files for the filesystem library
3242         if test x$enable_filesystem = xyes; then
3243             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3244             have_filesystem=yes
3245         fi
3246         # Set up files for the timer library
3247         if test x$enable_timers = xyes; then
3248             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3249             have_timers=yes
3250         fi
3251         # Set up additional files for the file library
3252         if test x$enable_file = xyes; then
3253             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3254         fi
3255         # The iOS platform requires special setup.
3256         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
3257         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3258         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
3259         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
3260         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
3261         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
3262         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
3263         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
3264         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
3265         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
3266         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
3267         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,GameController"
3268         ;;
3269     *-*-darwin* )
3270         # This could be either full "Mac OS X", or plain "Darwin" which is
3271         # just the OS X kernel sans upper layers like Carbon and Cocoa.
3272         # Next line is broken, and a few files below require Mac OS X (full)
3273         ARCH=macosx
3274
3275         # Mac OS X builds with both the Carbon and OSX APIs at the moment
3276         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
3277         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
3278
3279         CheckVisibilityHidden
3280         CheckDummyVideo
3281         CheckDiskAudio
3282         CheckDummyAudio
3283         CheckDLOPEN
3284         CheckCOCOA
3285         CheckX11
3286         CheckMacGL
3287         CheckOpenGLX11
3288         CheckPTHREAD
3289
3290         # Set up files for the audio library
3291         if test x$enable_audio = xyes; then
3292             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
3293             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
3294             SUMMARY_audio="${SUMMARY_audio} coreaudio"
3295             have_audio=yes
3296         fi
3297         # Set up files for the joystick library
3298         if test x$enable_joystick = xyes; then
3299             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
3300             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
3301             have_joystick=yes
3302         fi
3303         # Set up files for the haptic library
3304         if test x$enable_haptic = xyes; then
3305             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
3306             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
3307             have_haptic=yes
3308             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
3309         fi
3310         # Set up files for the power library
3311         if test x$enable_power = xyes; then
3312             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
3313             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
3314             have_power=yes
3315         fi
3316         # Set up files for the filesystem library
3317         if test x$enable_filesystem = xyes; then
3318             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
3319             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
3320             have_filesystem=yes
3321         fi
3322         # Set up files for the timer library
3323         if test x$enable_timers = xyes; then
3324             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3325             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3326             have_timers=yes
3327         fi
3328         # Set up additional files for the file library
3329         if test x$enable_file = xyes; then
3330             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
3331         fi
3332         # The Mac OS X platform requires special setup.
3333         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
3334         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
3335         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
3336         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
3337         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
3338         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
3339         # If audio is used, add the AudioUnit framework
3340         if test x$enable_audio = xyes; then
3341             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
3342         fi
3343         ;;
3344     *-nacl|*-pnacl)
3345         ARCH=nacl
3346         CheckNativeClient
3347         CheckDummyAudio
3348         CheckDummyVideo
3349         CheckInputEvents
3350         CheckPTHREAD
3351
3352         # Set up files for the timer library
3353         if test x$enable_timers = xyes; then
3354             AC_DEFINE(SDL_TIMER_UNIX)
3355             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3356             have_timers=yes
3357         fi
3358
3359         if test x$enable_filesystem = xyes; then
3360             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
3361             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
3362             have_filesystem=yes
3363         fi
3364         ;;
3365     *-*-emscripten* )
3366         if test x$enable_video = xyes; then
3367             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
3368             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
3369             have_video=yes
3370             SUMMARY_video="${SUMMARY_video} emscripten"
3371         fi
3372
3373         if test x$enable_audio = xyes; then
3374             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
3375             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
3376             have_audio=yes
3377             SUMMARY_audio="${SUMMARY_audio} emscripten"
3378         fi
3379
3380         CheckVisibilityHidden
3381         CheckDummyVideo
3382         CheckDiskAudio
3383         CheckDummyAudio
3384         CheckDLOPEN
3385         CheckClockGettime
3386         CheckEmscriptenGLES
3387
3388          # Set up files for the power library
3389         if test x$enable_power = xyes; then
3390             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
3391             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
3392             have_power=yes
3393         fi
3394
3395         # Set up files for the power library
3396         if test x$enable_joystick = xyes; then
3397             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
3398             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
3399             have_joystick=yes
3400         fi
3401
3402         # Set up files for the filesystem library
3403         if test x$enable_filesystem = xyes; then
3404             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
3405             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
3406             have_filesystem=yes
3407         fi
3408         # Set up files for the timer library
3409         if test x$enable_timers = xyes; then
3410             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
3411             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
3412             have_timers=yes
3413         fi
3414         ;;
3415     *)
3416         AC_MSG_ERROR([
3417 *** Unsupported host:  Please add to configure.in
3418         ])
3419         ;;
3420 esac
3421
3422 dnl Do this on all platforms, after everything else.
3423 CheckWarnAll
3424
3425 # Verify that we have all the platform specific files we need
3426
3427 if test x$have_joystick != xyes; then
3428     if test x$enable_joystick = xyes; then
3429         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
3430     fi
3431     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
3432 fi
3433 if test x$have_haptic != xyes; then
3434     if test x$enable_haptic = xyes; then
3435         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
3436     fi
3437     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
3438 fi
3439 if test x$have_threads != xyes; then
3440     if test x$enable_threads = xyes; then
3441         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
3442     fi
3443     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
3444 fi
3445 if test x$have_timers != xyes; then
3446     if test x$enable_timers = xyes; then
3447         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
3448     fi
3449     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
3450 fi
3451 if test x$have_filesystem != xyes; then
3452     if test x$enable_filesystem = xyes; then
3453         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
3454     fi
3455     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
3456 fi
3457 if test x$have_loadso != xyes; then
3458     if test x$enable_loadso = xyes; then
3459         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
3460     fi
3461     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
3462 fi
3463 if test x$SDLMAIN_SOURCES = x; then
3464     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
3465 fi
3466 SDLTEST_SOURCES="$srcdir/src/test/*.c"
3467
3468 OBJECTS=`echo $SOURCES`
3469 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
3470 for EXT in asm cc m c S; do
3471     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
3472     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
3473 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
3474         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3475 done
3476
3477 VERSION_OBJECTS=`echo $VERSION_SOURCES`
3478 VERSION_DEPENDS=`echo $VERSION_SOURCES`
3479 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
3480 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
3481 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
3482         \\$(WINDRES) \\$< \\$@,g"`
3483
3484 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
3485 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
3486 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3487 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3488 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3489         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3490
3491 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
3492 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
3493 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
3494 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
3495 \\$(objects)/\\2.o: \\1/\\2.c\\\\
3496         \\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
3497
3498 # Set runtime shared library paths as needed
3499
3500 if test "x$enable_rpath" = "xyes"; then
3501   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
3502     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
3503   fi
3504   if test $ARCH = solaris; then
3505     SDL_RLD_FLAGS="-R\${libdir}"
3506   fi
3507 else
3508   SDL_RLD_FLAGS=""
3509 fi
3510
3511 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
3512
3513 dnl Expand the cflags and libraries needed by apps using SDL
3514 AC_SUBST(SDL_CFLAGS)
3515 AC_SUBST(SDL_LIBS)
3516 AC_SUBST(SDL_STATIC_LIBS)
3517 AC_SUBST(SDL_RLD_FLAGS)
3518 if test x$enable_shared = xyes; then
3519     ENABLE_SHARED_TRUE=
3520     ENABLE_SHARED_FALSE="#"
3521 else
3522     ENABLE_SHARED_TRUE="#"
3523     ENABLE_SHARED_FALSE=
3524 fi
3525 if test x$enable_static = xyes; then
3526     ENABLE_STATIC_TRUE=
3527     ENABLE_STATIC_FALSE="#"
3528 else
3529     ENABLE_STATIC_TRUE="#"
3530     ENABLE_STATIC_FALSE=
3531 fi
3532 AC_SUBST(ENABLE_SHARED_TRUE)
3533 AC_SUBST(ENABLE_SHARED_FALSE)
3534 AC_SUBST(ENABLE_STATIC_TRUE)
3535 AC_SUBST(ENABLE_STATIC_FALSE)
3536
3537 dnl Expand the sources and objects needed to build the library
3538 AC_SUBST(ac_aux_dir)
3539 AC_SUBST(INCLUDE)
3540 AC_SUBST(OBJECTS)
3541 AC_SUBST(VERSION_OBJECTS)
3542 AC_SUBST(SDLMAIN_OBJECTS)
3543 AC_SUBST(SDLTEST_OBJECTS)
3544 AC_SUBST(BUILD_CFLAGS)
3545 AC_SUBST(EXTRA_CFLAGS)
3546 AC_SUBST(BUILD_LDFLAGS)
3547 AC_SUBST(EXTRA_LDFLAGS)
3548 AC_SUBST(WINDRES)
3549
3550 cat >Makefile.rules <<__EOF__
3551
3552 # Build rules for objects
3553 -include \$(OBJECTS:.lo=.d)
3554
3555 # Special dependency for SDL.c, since it depends on SDL_revision.h
3556 $srcdir/src/SDL.c: update-revision
3557 $DEPENDS
3558 $VERSION_DEPENDS
3559 $SDLMAIN_DEPENDS
3560 $SDLTEST_DEPENDS
3561 __EOF__
3562
3563 AC_CONFIG_FILES([
3564     Makefile:Makefile.in:Makefile.rules sdl2-config sdl2-config.cmake SDL2.spec sdl2.pc
3565 ])
3566 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
3567
3568 SUMMARY="SDL2 Configure Summary:\n"
3569 if test x$enable_shared = xyes; then
3570     SUMMARY="${SUMMARY}Building Shared Libraries\n"
3571 fi
3572 if test x$enable_static = xyes; then
3573     SUMMARY="${SUMMARY}Building Static Libraries\n"
3574 fi
3575 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
3576 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n"
3577 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
3578 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
3579 if test x$have_x = xyes; then
3580     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
3581 fi
3582 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
3583 if test x$enable_libudev = xyes; then
3584     SUMMARY="${SUMMARY}Using libudev   : YES\n"
3585 else
3586     SUMMARY="${SUMMARY}Using libudev   : NO\n"
3587 fi
3588 if test x$have_dbus_dbus_h_hdr = xyes; then
3589     SUMMARY="${SUMMARY}Using dbus      : YES\n"
3590 else
3591     SUMMARY="${SUMMARY}Using dbus      : NO\n"
3592 fi
3593 if test x$have_ibus_ibus_h_hdr = xyes; then
3594     SUMMARY="${SUMMARY}Using ibus      : YES\n"
3595 else
3596     SUMMARY="${SUMMARY}Using ibus      : NO\n"
3597 fi
3598 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
3599
3600 AC_OUTPUT