configure.in

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