configure.ac 129 KB
Newer Older
Sam Hocevar's avatar
 
Sam Hocevar committed
1
dnl Autoconf settings for vlc
2

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
3
AC_COPYRIGHT([Copyright 2002-2012 VLC authors and VideoLAN])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
4

5 6 7
AC_INIT(vlc, 2.1.0-git)
VERSION_MAJOR=2
VERSION_MINOR=1
8 9
VERSION_REVISION=0
VERSION_EXTRA=0
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
10
VERSION_DEV=git
11

12 13
PKGDIR="vlc"
AC_SUBST(PKGDIR)
14

15
CONFIGURE_LINE="`echo "$0 $ac_configure_args" | sed -e 's/\\\/\\\\\\\/g'`"
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
16
CODENAME="Rincewind"
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
17
COPYRIGHT_YEARS="1996-2012"
18

19
AC_CONFIG_SRCDIR(src/libvlc.c)
20
AC_CONFIG_AUX_DIR(autotools)
21
AC_CONFIG_MACRO_DIR(m4)
22
AC_CONFIG_LIBOBJ_DIR(compat)
23
AC_CANONICAL_BUILD
24
AC_CANONICAL_HOST
25
AC_PRESERVE_HELP_ORDER
26

27
AM_INIT_AUTOMAKE(tar-ustar color-tests)
28 29
AM_CONFIG_HEADER(config.h)

Pierre's avatar
Pierre committed
30
# Disable with "./configure --disable-silent-rules" or "make V=1"
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
31
AM_SILENT_RULES([yes])
Pierre's avatar
Pierre committed
32

33 34 35 36 37 38
dnl Too many people are not aware of maintainer mode:
dnl If you want to use it, you definitely know what you are doing, so
dnl you can specify "--disable-maintainer-mode". But if you want the default
dnl automake behavior, you've likely never heard of maintainer mode, so we
dnl can't expect you to enable it manually.
AS_IF([test "x${enable_maintainer_mode}" != "xno"],
39
    [enable_maintainer_mode="yes"])
40 41
AM_MAINTAINER_MODE

42 43 44 45 46 47 48 49 50 51
dnl
dnl Directories
dnl
dnl vlcincludedir="\${includedir}/\${PKGDIR}"
dnl AC_SUBST(vlcincludedir)
vlcdatadir="\${datadir}/\${PKGDIR}"
AC_SUBST(vlcdatadir)
vlclibdir="\${libdir}/\${PKGDIR}"
AC_SUBST(vlclibdir)

Sam Hocevar's avatar
Sam Hocevar committed
52
dnl
53
dnl Check for tools
Sam Hocevar's avatar
Sam Hocevar committed
54
dnl
55
AC_PROG_CC_C99
56
AC_USE_SYSTEM_EXTENSIONS
57 58 59 60 61
AC_DEFINE([_FORTIFY_SOURCE], 2, [Define to 2 to get glibc warnings.])
AC_DEFINE([_FILE_OFFSET_BITS], 64, [Define to 64 for large files support.])
AC_DEFINE([_REENTRANT],, [Define to expose reentrant functions.])
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
62
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
63

64 65
AM_PROG_CC_C_O
AC_PROG_CXX
66
AC_PROG_CPP
67 68 69
AC_PROG_OBJC
_AM_DEPENDENCIES([OBJC])
AC_PROG_EGREP
70 71
AC_PROG_MAKE_SET
AC_PROG_INSTALL
72
AM_PROG_AS
73

74 75 76
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)

77 78 79
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
80
AC_C_RESTRICT
81

82 83 84
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

85
dnl Allow binary package maintainer to pass a custom string to avoid
86
dnl cache problem
87
AC_ARG_WITH(binary-version,
88 89
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
90
AS_IF([test -n "${with_binary_version}"],[
91 92 93
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
94

Gildas Bazin's avatar
 
Gildas Bazin committed
95 96 97
dnl
dnl  Check the operating system
dnl
98
HAVE_WIN64="0"
99
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
100
  "")
101 102
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
103
  linux*)
104 105
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
106
  bsdi*)
107
    SYS=bsdi
108
    CFLAGS="${CFLAGS} -pthread"
109
    VLC_ADD_LIBS([vcd cdda vcdx],[-ldvd])
110
    ;;
111 112
  freebsd*)
    SYS=freebsd
113
    CFLAGS="${CFLAGS} -pthread"
114 115 116 117 118 119 120 121 122 123 124 125 126
    CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
    LDFLAGS="${LDFLAGS} -L/usr/local/lib"
    ;;
  openbsd*)
    SYS=openbsd
    CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/X11R6/include"
    LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/X11R6/lib/"
    ;;
  netbsd*)
    SYS=netbsd
    ;;
  dragonfly*)
    SYS=dragonfly
127
    ;;
128
  darwin*)
129 130 131 132

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
133
      i?86*)
134 135 136 137 138 139 140 141 142 143 144
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
145 146 147
      arm*)
        ARCH_flag="-arch armv7"
        ac_cv_c_bigendian="no"
148
        ac_cv_c_attribute_packed="no"
149
      ;;
150 151
    esac

152
    SYS=darwin
153 154 155 156 157
    CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
    CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
    CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
    OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu99 ${ARCH_flag}"
    LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
158
    VLC_ADD_LIBS([mkv mp4 motion], [-Wl,-framework,IOKit,-framework,CoreFoundation])
159
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,Appkit])
160
    VLC_ADD_LIBS([avcodec avformat access_avio swscale postproc i420_rgb_mmx x264 x26410b],[-Wl,-read_only_relocs,suppress])
161
    VLC_ADD_CFLAGS([motion],[-fconstant-cfstrings])
162
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation])
163

164
    dnl Allow binaries created on Lion to run on earlier releases
165 166 167 168 169 170
    AC_EGREP_CPP(yes,
           [#import <Cocoa/Cocoa.h>
            #ifdef MAC_OS_X_VERSION_10_7
            yes
            #endif],
            [AC_MSG_RESULT([yes])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
171 172 173
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
174

175
    dnl
176
    dnl  Handle Mac OS X SDK flags
177 178
    dnl
    AC_ARG_WITH(macosx-sdk,
179 180
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
181 182 183 184 185 186 187 188
    if test "${with_macosx_sdk}" != "" ; then
        test ! -d "${with_macosx_sdk}" && AC_MSG_ERROR([SDK "${with_macosx_sdk}" not found])
        CPP="${CPP} -isysroot ${with_macosx_sdk}"
        CC="${CC} -isysroot ${with_macosx_sdk}"
        CXX="${CXX} -isysroot ${with_macosx_sdk}"
        OBJC="${OBJC} -isysroot ${with_macosx_sdk}"
        LD="${LD} -syslibroot ${with_macosx_sdk}"
    fi
189
    AC_ARG_WITH(macosx-version-min,
190
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
191 192 193 194 195 196 197 198 199 200 201 202
        [compile for Mac OS X VERSION and above])])
    if test "${with_macosx_version_min}" != "" ; then
        MACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}
        CPP="${CPP} -mmacosx-version-min=${with_macosx_version_min}"
        CC="${CC} -mmacosx-version-min=${with_macosx_version_min}"
        CXX="${CXX} -mmacosx-version-min=${with_macosx_version_min}"
        OBJC="${OBJC} -mmacosx-version-min=${with_macosx_version_min}"
        LD="${LD} -mmacosx_version_min=${with_macosx_version_min}"
        CFLAGS="${CFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        CXXFLAGS="${CXXFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        OBJCFLAGS="${OBJCFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        export MACOSX_DEPLOYMENT_TARGET
203
    fi
204
    ;;
205
  *mingw32* | *cygwin* | *wince* | *mingwce*)
206
    AC_CHECK_TOOL(WINDRES, windres, :)
207
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
208 209
    AC_DEFINE([_WIN32_WINNT], 0x0502, [Define to '0x0502' for Windows XP SP2 APIs.])
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
Gildas Bazin's avatar
 
Gildas Bazin committed
210

211
    case "${host_os}" in
212
      *wince* | *mingwce* | *mingw32ce*)
Sam Hocevar's avatar
Sam Hocevar committed
213
        SYS=mingwce
214
        dnl Sadly CeGCC still needs non-wince macros
Sam Hocevar's avatar
Sam Hocevar committed
215
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
216
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
217 218
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
219
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
220 221 222 223 224 225
        dnl Check if we are using the mno-cygwin mode in which case we are
        dnl actually dealing with a mingw32 compiler.
        AC_EGREP_CPP(yes,
            [#ifdef WIN32
             yes
             #endif],
226
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
227 228 229
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
230
    if test "${SYS}" = "mingw32"; then
231
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
232
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
233
        VLC_ADD_LIBS([win32text],[-lgdi32])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
234
        VLC_ADD_LIBS([cdda vcdx sdl_image vout_sdl],[-lwinmm])
235
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
236 237
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
238 239

        dnl
240
        dnl NSIS Installer prefix and WIN64
241 242
        dnl
        case "${host}" in
243
            amd64*|x86_64*)
244
                HAVE_WIN64="1"
245 246 247 248 249 250 251 252
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
253
    fi
254
    if test "${SYS}" = "mingwce"; then
255
        VLC_ADD_LIBS([libvlccore],[-lmmtimer])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
256
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
257 258
        ac_default_prefix="`pwd`/_wince"
        DESTDIR="`pwd`/_wince/"
259
    fi
260
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
261
  *nto*)
262 263
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
264
  solaris*)
265 266
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
267
  hpux*)
268 269
    SYS=hpux
    ;;
270 271 272
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
273 274
  *os2*)
    SYS=os2
275
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
276
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
277
  *)
278
    SYS="${host_os}"
279
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
280
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
281 282 283 284 285 286
AM_CONDITIONAL(HAVE_DARWIN,  test "${SYS}" = "darwin")
AM_CONDITIONAL(HAVE_LINUX,   test "${SYS}" = "linux")
AM_CONDITIONAL(HAVE_OS2,     test "${SYS}" = "os2")
AM_CONDITIONAL(HAVE_WIN32,   test "${SYS}" = "mingw32")
AM_CONDITIONAL(HAVE_WIN64,   test "${HAVE_WIN64}" = "1")
AM_CONDITIONAL(HAVE_WINCE,   test "${SYS}" = "mingwce")
287
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
288

289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
dnl
dnl  Check for the contrib directory
dnl
AC_ARG_WITH(contrib,
  [AS_HELP_STRING([--with-contrib[=DIR]],
    [search for 3rd party libraries in DIR/include and DIR/lib])
])
AC_MSG_CHECKING([for 3rd party libraries path])
AS_IF([test -z "${with_contrib}" || test "${with_contrib}" = "yes"], [
  CONTRIB_DIR="${srcdir}/contrib/${host}"
  AS_IF([test ! -d "${CONTRIB_DIR}"], [
    echo "${CONTRIB_DIR} not found" >&AS_MESSAGE_LOG_FD
    CONTRIB_DIR="${srcdir}/contrib/`$CC -dumpmachine`"
    AS_IF([test ! -d "${CONTRIB_DIR}"], [
      echo "${CONTRIB_DIR} not found" >&AS_MESSAGE_LOG_FD
      CONTRIB_DIR="${srcdir}/extras/contrib/hosts/${host}"
      AS_IF([test ! -d "${CONTRIB_DIR}"], [
        echo "${CONTRIB_DIR} not found" >&AS_MESSAGE_LOG_FD
        CONTRIB_DIR="${srcdir}/extras/contrib/hosts/`$CC -dumpmachine`"
        AS_IF([test ! -d "${CONTRIB_DIR}"], [
          echo "${CONTRIB_DIR} not found" >&AS_MESSAGE_LOG_FD
310 311
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358
        ])
      ])
    ])
  ])
], [
  AS_IF([test "${with_contrib}" != "no"], [
    CONTRIB_DIR="${with_contrib}"
  ], [
    CONTRIB_DIR=""
    AC_MSG_RESULT([disabled])
  ])
])
AS_IF([test -n "${CONTRIB_DIR}"], [
  AS_IF([test -d "${CONTRIB_DIR}/lib"],[
    CONTRIB_DIR=`cd "${CONTRIB_DIR}" && pwd`
  ], [
    echo "${CONTRIB_DIR}/lib not found" >&AS_MESSAGE_LOG_FD
    CONTRIB_DIR=""
    AC_MSG_RESULT([not usable])
  ])

])
AS_IF([test -n "${CONTRIB_DIR}"], [
  AC_MSG_RESULT([${CONTRIB_DIR}])
  export PATH=${CONTRIB_DIR}/bin:$PATH
  CPPFLAGS="${CPPFLAGS} -I${CONTRIB_DIR}/include"
  CFLAGS="${CFLAGS} -I${CONTRIB_DIR}/include"
  CXXFLAGS="${CXXFLAGS} -I${CONTRIB_DIR}/include"
  OBJCFLAGS="${OBJCFLAGS} -I${CONTRIB_DIR}/include"
  AS_IF([test "$build" = "$host" -o "$PKG_CONFIG_LIBDIR"], [
    export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
  ], [
    export PKG_CONFIG_LIBDIR="${CONTRIB_DIR}/lib/pkgconfig"
  ])
  LDFLAGS="${LDFLAGS} -L${CONTRIB_DIR}/lib"

  AS_IF([test "${SYS}" = "darwin"], [
    export LD_LIBRARY_PATH="${CONTRIB_DIR}/lib:$LD_LIBRARY_PATH"
    export DYLD_LIBRARY_PATH="${CONTRIB_DIR}/lib:$DYLD_LIBRARY_PATH"
  ])
], [
  AS_IF([test -n "${with_contrib}" && test "${with_contrib}" != "no"], [
    AC_MSG_ERROR([Third party libraries not found!])
  ])
])
AC_SUBST(CONTRIB_DIR)

359
dnl
Rafaël Carré's avatar
Rafaël Carré committed
360
dnl Sadly autoconf does not think about testing foo.exe when ask to test
361 362 363 364 365
dnl for program foo on win32

case "${build_os}" in
    cygwin|msys)
        ac_executable_extensions=".exe"
366
    ;;
367
    *)
368
    ;;
369 370
esac

371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387
dnl Android is linux, but a bit different
AS_IF([test "$SYS" = linux],[
    AC_MSG_CHECKING([for an Android system])
    AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
        [[#ifndef __ANDROID__
         # error Not Android
         #endif
        ]],[[;]])
    ],[
      HAVE_ANDROID="1"
      AC_MSG_RESULT([yes])
    ],[
      AC_MSG_RESULT([no])
    ])
])
AM_CONDITIONAL(HAVE_ANDROID, test "${HAVE_ANDROID}" = "1")

388
dnl
389 390 391 392
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
393 394 395 396

dnl override platform specific check for dependent libraries
dnl otherwise libtool linking of shared libraries will
dnl fail on anything other than pass_all.
Damien Fouilleul's avatar
Damien Fouilleul committed
397 398
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
399

400 401 402
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
403

404 405 406 407 408
m4_undefine([AC_DEPLIBS_CHECK_METHOD])
m4_defun([AC_DEPLIBS_CHECK_METHOD],[])

lt_cv_deplibs_check_method=pass_all

409
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
410 411 412
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

413 414 415
dnl
dnl Gettext stuff
dnl
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
416
AM_GNU_GETTEXT_VERSION([0.18.1])
417
AM_GNU_GETTEXT([external], [need-ngettext])
418

419 420 421
dnl
dnl Iconv stuff
dnl
422
AM_ICONV
423

424
dnl Check for broken versions of mingw-runtime compatability library
425
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
426
    AC_MSG_CHECKING(for broken mingw-runtime)
427
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
428
#include <_mingw.h>
429 430 431 432 433
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
434 435
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
436
    ])], [
437
        AC_MSG_RESULT([ok])
438
    ], [
439
        AC_MSG_RESULT([present])
440
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
441
    ])
442 443
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"
444
])
445

Gildas Bazin's avatar
 
Gildas Bazin committed
446
dnl Check for the need to include the mingwex lib for mingw32
447
if test "${SYS}" = "mingw32" ; then
Gildas Bazin's avatar
 
Gildas Bazin committed
448
    AC_CHECK_LIB(mingwex,opendir,
449
        AC_CHECK_LIB(mingw32,opendir,,
450
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
451 452 453
    )
fi

Gildas Bazin's avatar
 
Gildas Bazin committed
454
dnl Check for fnative-struct or mms-bitfields support for mingw32
455
if test "${SYS}" = "mingw32" ; then
456 457 458
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
459 460
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
461 462 463 464 465
        [AC_TRY_COMPILE([],,ac_cv_c_mms_bitfields=yes, ac_cv_c_mms_bitfields=no)])
    if test "${ac_cv_c_mms_bitfields}" = "no"; then
        VLC_RESTORE_FLAGS
        CFLAGS="${CFLAGS} -fnative-struct"
        CXXFLAGS="${CXXFLAGS} -fnative-struct"
466 467
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
468 469
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
470
    fi
Gildas Bazin's avatar
 
Gildas Bazin committed
471 472
fi

473 474
dnl
dnl Buggy glibc prevention. Purposedly not cached.
475
dnl See sourceware.org bugs 5058 and 5443.
476 477 478
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
479
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
480 481 482 483 484
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
485
])], [
486 487 488
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
489
  AS_IF([test "x${enable_nls}" != "xno"], [
490 491
    AC_MSG_ERROR([Buggy GNU/libc (version 2.5 - 2.7) present. VLC would crash; there is no viable
work-around for this. Check with your distribution vendor on how to update the
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
492
glibc run-time. Alternatively, build with --disable-nls.])
493
  ])
494 495
])

Sam Hocevar's avatar
Sam Hocevar committed
496 497 498 499
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

500
dnl Check for system libs needed
501
need_libc=false
502

503
dnl Check for usual libc functions
504
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
505
AC_CHECK_FUNCS([daemon fcntl fstatvfs fork getenv getpwuid_r isatty lstat memalign mmap openat pread posix_fadvise posix_madvise setlocale stricmp strnicmp strptime uselocale])
506
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir flockfile fsync getdelim getpid gmtime_r inet_pton lldiv localtime_r nrand48 poll posix_memalign rewind setenv strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab tdestroy strverscmp])
507 508 509
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
510

511 512 513 514 515 516
dnl mingw64 implements those as static inline, not functions with C linkage
AC_LINK_IFELSE([
    AC_LANG_PROGRAM([#include <stdio.h>], [
        char *c;
        if (asprintf(&c, "%s %d", "string", 1) == -1)
            c = NULL;
517
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
518
AC_LINK_IFELSE([
519 520
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
521 522 523 524
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
525
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
526

527 528 529 530 531 532 533 534 535 536 537 538 539 540
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#include <assert.h>
#ifndef static_assert
# error BOOM!
#endif
])], [
  AC_MSG_RESULT([yes])
  AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define to 1 if <assert.h> defines static_assert.])
], [
  AC_MSG_RESULT([no])
])

Rafaël Carré's avatar
Rafaël Carré committed
541
# Windows CE does not have strcoll()
542 543
AC_FUNC_STRCOLL

544
dnl Check for non-standard system calls
545
AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
546

547 548
AH_BOTTOM([#include <vlc_fixups.h>])

549 550 551 552 553 554 555 556 557 558
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
#elif defined (WIN32)
# include <winsock2.h>
#endif
])

559
dnl Checks for socket stuff
560
VLC_SAVE_FLAGS
561 562 563 564 565 566 567 568 569 570 571 572 573
SOCKET_LIBS=""
AC_SEARCH_LIBS(connect, [socket], [
  AS_IF([test "$ac_cv_search_connect" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_connect"
  ])
], [
  AS_IF([test "${SYS}" = "mingw32"], [
    SOCKET_LIBS="-lws2_32"
  ])
  AS_IF([test "${SYS}" = "mingwce"], [
    SOCKET_LIBS="-lws2"
  ])
])
574 575 576 577 578 579 580 581

AC_SEARCH_LIBS([getaddrinfo], [nsl], [
 AS_IF([test "$ac_cv_search_getaddrinfo" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_getaddrinfo $SOCKET_LIBS"
  ])
],, [${SOCKET_LIBS}])

AC_CHECK_FUNCS([if_nameindex if_nametoindex])
582
VLC_RESTORE_FLAGS
583

584
AS_IF([test -n "$SOCKET_LIBS"], [
585
  VLC_ADD_LIBS([access_http access_mms access_udp access_tcp access_ftp access_rtmp access_output_udp access_output_shout sap stream_out_select stream_out_standard stream_out_rtp stream_out_raop vod_rtsp access_realrtsp rtp oldrc netsync gnutls flac ts audioscrobbler lua remoteosd zvbi audiobargraph_a netsync stream_filter_dash],[${SOCKET_LIBS}])
586 587
])
AC_SUBST(SOCKET_LIBS)
588

589
dnl Check for socklen_t
590
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
591
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
592 593
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
594 595
[#include <sys/types.h>
#ifdef WIN32
596
# include <winsock2.h>
597
# include <ws2tcpip.h>
598 599
#else
# include <sys/socket.h>
600 601 602 603 604
#endif]], [[socklen_t len; len = 0;]])],
ac_cv_type_socklen_t=yes,
ac_cv_type_socklen_t=no)])
AS_IF([test "$ac_cv_type_socklen_t" = no],
 [AC_DEFINE(socklen_t, int)])
605

606
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
607 608
AH_TEMPLATE(sockaddr_storage, [Define to `sockaddr' if <sys/socket.h> does not define.]) dnl ` (fix VIM syntax highlight
AH_TEMPLATE(ss_family, [Define to `sa_family' if <sys/socket.h> does not define.]) dnl ` (fix VIM syntax highlight
609 610 611 612
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
     #if defined( UNDER_CE )
613
     # include <winsock2.h>
614 615 616 617 618 619 620
     #elif defined( WIN32 )
     # include <winsock2.h>
     #else
     # include <sys/socket.h>
     #endif], [struct sockaddr_storage addr;],
     ac_cv_struct_sockaddr_storage=yes,
     ac_cv_struct_sockaddr_storage=no)])
621
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
622 623
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
624
])
625

626 627 628 629 630 631 632 633
dnl FreeBSD has a gnugetopt library for this:
GNUGETOPT_LIBS=""
AC_CHECK_FUNC(getopt_long,, [
  AC_CHECK_LIB([gnugetopt],[getopt_long], [
    GNUGETOPT_LIBS="-lgnugetopt"
  ])
])
AC_SUBST(GNUGETOPT_LIBS)
Sam Hocevar's avatar
 
Sam Hocevar committed
634

Sam Hocevar's avatar
Sam Hocevar committed
635
AC_CHECK_LIB(m,cos,[
636
  VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom visual panoramix rotate noise grain scene kate flac lua chorus_flanger freetype avcodec avformat access_avio swscale postproc i420_rgb faad twolame equalizer spatializer param_eq samplerate freetype mpc dmo mp4 quicktime qt4 compressor headphone_channel_mixer normvol audiobargraph_a speex mono colorthres extract ball access_imem hotkeys mosaic gaussianblur dbus x26410b hqdn3d anaglyph oldrc ncurses],[-lm])
637 638 639
  LIBM="-lm"
], [
  LIBM=""
640
])
641
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
642

643 644 645 646 647
AC_CHECK_LIB(m,lrintf, [
  AC_DEFINE(HAVE_LRINTF, 1, [Define to 1 if you have the lrintf function])
  VLC_ADD_LIBS([skins2],[-lm])
])

Sam Hocevar's avatar
Sam Hocevar committed
648
dnl Check for dynamic plugins
649 650
LIBDL=""
have_dynamic_objects="no"
651
VLC_SAVE_FLAGS
652 653 654 655
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
656
  have_dynamic_objects="yes"
657
])
658
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
659

660 661 662
# Windows
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
  LIBDL=""
663
  have_dynamic_objects="yes" #assume we can use shared objects
664
])
665

Rafaël Carré's avatar
Rafaël Carré committed
666 667 668
test "${enable_shared}" = "no" && have_dynamic_objects=no

AS_IF([test "${have_dynamic_objects}" != "no"], [
669 670 671 672 673 674
  AC_DEFINE(HAVE_DYNAMIC_PLUGINS, 1,
            [Define to 1 if dynamic plugins are supported.])
], [
  dnl Clear $LIBDL so as not to break linking
  LIBDL=""
])
Rafaël Carré's avatar
Rafaël Carré committed
675 676
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

677
AC_SUBST(LIBDL)
678
VLC_ADD_LIBS([lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
679

680
dnl Check for thread library
681
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
Rafaël Carré's avatar
Rafaël Carré committed
682

Rafaël Carré's avatar
Rafaël Carré committed
683
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
684 685 686
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
    VLC_ADD_LIBS([libvlccore libvlc vlc plugin],[${LIBS}])
Rafaël Carré's avatar
Rafaël Carré committed
687 688
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
689

690 691 692
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
693 694 695 696 697 698 699 700 701
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
702 703 704
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
705
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Gildas Bazin's avatar
 
Gildas Bazin committed
706

Sam Hocevar's avatar
 
Sam Hocevar committed
707
dnl Check for headers
708
AC_CHECK_HEADERS([search.h])
709
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
710
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
711
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
712 713
AC_CHECK_HEADERS([net/if.h], [], [],
  [
714
    #include <sys/types.h>
715
    #include <sys/socket.h>
716
  ])
717 718 719 720
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
721

722
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
723 724
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
725
  AC_CHECK_HEADERS(syslog.h mntent.h)
726
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
727

728
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
729
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
730 731 732 733
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
 
Sam Hocevar committed
734
dnl Check for threads library
735
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
736
  AC_CHECK_HEADERS(pthread.h)
737
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
738

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
739 740 741
dnl It seems that autoconf detects pkg-config only during the first
dnl PKG_CHECK_MODULES from configure.ac - which makes sense. But in our case,
dnl it is nested within a conditional block, so it was not working right.
742
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
743
AC_ARG_VAR(PKG_CONFIG_PATH,
744
       [Paths where to find .pc not at the default location])
745 746
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
747
dnl On some OS we need static linking
748
AS_IF([test -n "${PKG_CONFIG}" ],[
KO Myung-Hun's avatar
KO Myung-Hun committed
749
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
750 751 752
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
753 754


755 756
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
757
dnl
758 759 760 761
AC_CHECK_HEADERS(zlib.h, [ have_zlib=yes ], [ have_zlib=no ])
AM_CONDITIONAL(HAVE_ZLIB, [ test "${have_zlib}" = "yes" ])
if test "${have_zlib}" = "yes"
then
762
  VLC_ADD_LIBS([access_http mp4 skins2 sap mkv unzip zip],[-lz])
763
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
764
    AC_CHECK_HEADERS([unzip.h], [
765 766 767 768
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
      have_minizip=no
769 770
      MINIZIP_CFLAGS="-I\\\${top_srcdir}/modules/access/zip/unzip"
      MINIZIP_LIBS="\\\${top_builddir}/modules/access/zip/unzip/libunzip.la"
771 772 773
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
774
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
775
fi
776
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
777 778


779 780 781 782 783 784 785 786 787 788 789
dnl
dnl Domain name i18n support via GNU libidn
dnl
PKG_CHECK_MODULES([IDN], [libidn], [
  have_libidn="yes"
  AC_DEFINE([HAVE_IDN], 1, [Define to 1 if you have GNU libidn.])
], [
  have_libidn="no"
])


790 791
dnl Check for dbus
AC_ARG_ENABLE(dbus,
792 793
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
Rafaël Carré's avatar
Rafaël Carré committed
794 795
case "${SYS}" in
    linux*|*bsd*)
796
if test "${enable_dbus}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
797
then
798
  dnl api stable dbus
799
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.0.0],
800
    [ AC_DEFINE( HAVE_DBUS, 1, [Define if you have the D-BUS library] )
801 802
      VLC_ADD_LIBS([libvlccore],[$DBUS_LIBS])
      VLC_ADD_CFLAGS([libvlccore],[$DBUS_CFLAGS])
803
      dnl Check for dbus control interface
804 805 806
        AC_ARG_ENABLE(dbus-control,
          [AS_HELP_STRING([--disable-dbus-control],
            [D-Bus control interface (default enabled)])])
807
        if test "${enable_dbus_control}" != "no"
808
        then
809
          VLC_ADD_PLUGIN([dbus])
810
          VLC_ADD_LIBS([dbus],[$DBUS_LIBS])
811
          VLC_ADD_CFLAGS([dbus],[$DBUS_CFLAGS])
812
        fi
813
        dnl Power Management Inhibiter
814
        VLC_ADD_PLUGIN([inhibit])
815 816
        VLC_ADD_LIBS([inhibit],[$DBUS_LIBS])
        VLC_ADD_CFLAGS([inhibit],[$DBUS_CFLAGS])
817
    ],
818
    [AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])]
819 820
  )
fi
Rafaël Carré's avatar
Rafaël Carré committed
821 822
;;
esac
823

Sam Hocevar's avatar
 
Sam Hocevar committed
824
dnl Check for ntohl, etc.
825 826
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
827
AC_CACHE_CHECK([for ntohl in sys/param.h],
828
    [ac_cv_c_ntohl_sys_param_h],
829
    [     AC_TRY_COMPILE([#include <sys/param.h>],
830
        [int meuh; ntohl(meuh);],
831
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
832
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
833
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
834
fi
835
VLC_RESTORE_FLAGS
836 837 838 839 840

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
841

842
RDC_PROG_CC_WFLAGS([all extra sign-compare undef pointer-arith bad-function-cast write-strings missing-prototypes volatile-register-var error-implicit-function-declaration])
Pierre's avatar
Pierre committed
843
RDC_PROG_CC_FLAGS([-pipe])
844 845 846
AC_LANG_PUSH([C++])
RDC_PROG_CXX_WFLAGS([all extra sign-compare undef pointer-arith volatile-register-var])
AC_LANG_POP([C++])
Sam Hocevar's avatar
 
Sam Hocevar committed
847

848 849 850 851 852
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
853
    [build with run-time assertions (default disabled)])],,
854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898
  [enable_debug="no"])
AH_TEMPLATE(NDEBUG,
            [Define to 1 if debug code should NOT be compiled])
AS_IF([test "${enable_debug}" != "no"], [
  AC_CHECK_HEADERS([valgrind/valgrind.h])
], [
  AC_DEFINE(NDEBUG)
])

dnl
dnl  Profiling
dnl
AC_ARG_ENABLE(gprof,
  [AS_HELP_STRING([--enable-gprof],[profile with gprof (default disabled)])],,
  [enable_gprof="no"])
AS_IF([test "${enable_gprof}" != "no"], [
  CFLAGS="${CFLAGS} -pg"
  CXXFLAGS="${CXXFLAGS} -pg"
  OBJCFLAGS="${OBJCFLAGS} -pg"
  LDFLAGS="${LDFLAGS} -pg"
])

AC_ARG_ENABLE(cprof,
  [AS_HELP_STRING([--enable-cprof],[profile with cprof (default disabled)])],,
  [enable_cprof="no"])
AS_IF([test "${enable_gprof}" != "no"], [
  CFLAGS="${CFLAGS} -finstrument-functions"
  CXXFLAGS="${CXXFLAGS} -finstrument-functions"
  OBJCFLAGS="${OBJCFLAGS} -finstrument-functions"
  LDFLAGS="${LDFLAGS} -finstrument-functions"
])

dnl
dnl  Test coverage
dnl
AC_ARG_ENABLE(coverage,
  [AS_HELP_STRING([--enable-coverage],
    [build for test coverage (default disabled)])],,
  [enable_coverage="no"])
AS_IF([test "${enable_coverage}" != "no"], [
  CFLAGS="-fprofile-arcs -ftest-coverage ${CFLAGS}"
  CXXFLAGS="-fprofile-arcs -ftest-coverage ${CXXFLAGS}"
  LDFLAGS="-lgcov ${LDFLAGS}"
])

899
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"], [
900 901 902 903
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
904 905 906 907 908 909 910 911
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
912
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
913 914
])

915

916 917 918 919 920 921 922 923
dnl
dnl  Enable/disable optimizations
dnl
AC_ARG_ENABLE(optimizations,
  [AS_HELP_STRING([--disable-optimizations],
    [disable compiler optimizations (default enabled)])],,
  [enable_optimizations="yes"])

Sam Hocevar's avatar
 
Sam Hocevar committed
924
dnl Check for various optimization flags
925 926 927 928
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
929 930 931 932
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
933 934 935 936 937 938 939
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
940 941 942 943 944
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
945 946 947 948 949 950 951
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
952
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
953 954
    ])
  ])
955

956
  dnl Check for -ffast-math
957 958 959 960
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
961 962 963 964 965 966 967
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
968
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
969 970 971 972 973 974
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
 
Sam Hocevar committed
975

976
  dnl Check for -funroll-loops
977 978 979 980
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
981 982 983 984 985 986 987
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
988
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
989 990 991

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
992 993 994 995
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
996 997 998 999 1000 1001 1002 1003
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
1004
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
1005 1006
  ])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
1007

Sam Hocevar's avatar
 
Sam Hocevar committed
1008
dnl Check for Darwin plugin linking flags
1009
AS_IF([test "${SYS}" = "darwin"], [
1010 1011
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -bundle -undefined error"
1012 1013 1014 1015 1016 1017 1018 1019 1020
  AC_CACHE_CHECK([if $CC accepts -bundle -undefined error],
    [ac_cv_ld_darwin], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_ld_darwin=yes
    ], [
      ac_cv_ld_darwin=no
    ])
  ])
  AS_IF([test "${ac_cv_ld_darwin}" != "no"], [
1021
    VLC_ADD_LDFLAGS([plugin],[-bundle -undefined error])
1022
  ])
1023
  VLC_RESTORE_FLAGS