configure.ac 122 KB
Newer Older
Sam Hocevar's avatar
 
Sam Hocevar committed
1
dnl Autoconf settings for vlc
2

Jean-Baptiste Kempf's avatar
2015  
Jean-Baptiste Kempf committed
3
AC_COPYRIGHT([Copyright 1999-2015 VLC authors and VideoLAN])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
4

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
5 6 7
AC_INIT(vlc, 3.0.0-git)
VERSION_MAJOR=3
VERSION_MINOR=0
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="Vetinari"
Jean-Baptiste Kempf's avatar
2015  
Jean-Baptiste Kempf committed
17
COPYRIGHT_YEARS="1996-2015"
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 foreign)
28
AC_CONFIG_HEADERS([config.h])
29

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
30
AM_SILENT_RULES([yes])
31
AM_MAINTAINER_MODE([enable])
32

33 34 35 36 37 38 39 40 41 42
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
43
dnl
44
dnl Check for tools
Sam Hocevar's avatar
Sam Hocevar committed
45
dnl
46
AC_PROG_CC_C99
47
AC_USE_SYSTEM_EXTENSIONS
48
VLC_PROG_CC_C11
49 50
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.])
51 52 53 54 55
AH_TOP([
#ifndef _REENTRANT
# define _REENTRANT
#endif
])
56 57
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
58
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
59

60 61
AM_PROG_CC_C_O
AC_PROG_CXX
62
AC_PROG_CPP
63 64 65
AC_PROG_OBJC
_AM_DEPENDENCIES([OBJC])
AC_PROG_EGREP
66 67
AC_PROG_MAKE_SET
AC_PROG_INSTALL
68
AM_PROG_AS
69

70 71
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)
72
AC_ARG_VAR([BUILDCC], [Build system C11 or C99 compiler command])
73
AC_CHECK_PROGS(BUILDCC, [c11-gcc c11 c99-gcc c99], [false])
74
AS_IF([test "$BUILDCC" = "false"], [
75 76
  AC_MSG_ERROR([Cannot find native C99 compiler: please define BUILDCC.])
])
77

78 79 80
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
81
AC_C_RESTRICT
82
AX_CXX_COMPILE_STDCXX_11(noext, optional)
83

84 85 86
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

87
dnl Allow binary package maintainer to pass a custom string to avoid
88
dnl cache problem
89
AC_ARG_WITH(binary-version,
90 91
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
92
AS_IF([test -n "${with_binary_version}"],[
93 94 95
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
96

Gildas Bazin's avatar
 
Gildas Bazin committed
97 98 99
dnl
dnl  Check the operating system
dnl
100
HAVE_WIN64="0"
101 102
HAVE_IOS="0"
HAVE_OSX="0"
103
HAVE_TVOS="0"
Luca Barbato's avatar
Luca Barbato committed
104

105
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
106
  "")
107 108
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
109
  linux*)
110 111
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
112
  bsdi*)
113
    SYS=bsdi
114
    CFLAGS="${CFLAGS} -pthread"
115
    ;;
116 117
  freebsd*)
    SYS=freebsd
118
    CFLAGS="${CFLAGS} -pthread"
119 120 121 122 123 124 125 126 127 128 129 130 131
    CPPFLAGS="${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
132
    ;;
133
  darwin*)
134 135 136 137

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
138
      i?86*)
139 140 141 142 143 144 145 146 147 148 149
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
150 151
      arm*)
        ac_cv_c_bigendian="no"
152
        ac_cv_c_attribute_packed="no"
153
      ;;
154 155
    esac

156
    SYS=darwin
157
    CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
158 159
    CXX="${CXX} -stdlib=libc++ -std=c++11"
    CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
160
    CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
161
    OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
162
    LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
163
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
164
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
165

166 167 168 169 170 171 172 173
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_IPHONE
             yes
             #endif],
             [HAVE_IOS="1"],
             [HAVE_OSX="1"])

174 175 176 177 178 179 180 181 182 183
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_TV
             yes
             #endif],
             [HAVE_TVOS="1"
             HAVE_IOS="0"
             HAVE_OSX="0"
             ],)

184
    dnl Allow binaries created on Lion to run on earlier releases
185 186 187 188 189 190
    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
191 192 193
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
194

195
    dnl
196
    dnl  Handle Mac OS X SDK flags
197 198
    dnl
    AC_ARG_WITH(macosx-sdk,
199 200
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
201 202 203 204 205 206 207 208
    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 ${with_macosx_sdk}"
    fi
209
    AC_ARG_WITH(macosx-version-min,
210
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
211 212 213 214 215 216 217
        [compile for Mac OS X VERSION and above])])
    if test "${with_macosx_version_min}" != "" ; then
        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}"
218
    fi
219
    ;;
220
  *mingw32* | *cygwin* | *wince* | *mingwce*)
221
    AC_CHECK_TOOL(WINDRES, windres, :)
222
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
223
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
224 225
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
226
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
227 228
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
229 230 231 232 233 234 235 236
    AC_DEFINE([_ISOC99_SOURCE], [1], [Extensions to ISO C89 from ISO C99.])
    AC_DEFINE([_ISOC11_SOURCE], [1], [Extensions to ISO C99 from ISO C11.])
    AC_DEFINE([_POSIX_SOURCE], [1], [IEEE Std 1003.1.])
    AC_DEFINE([_POSIX_C_SOURCE], [200809L], [IEEE Std 1003.1.])
    AC_DEFINE([_XOPEN_SOURCE], [700], [POSIX and XPG 7th edition])
    AC_DEFINE([_XOPEN_SOURCE_EXTENDED], [1], [XPG things and X/Open Unix extensions.])
    AC_DEFINE([_BSD_SOURCE], [1], [ISO C, POSIX, and 4.3BSD things.])
    AC_DEFINE([_SVID_SOURCE], [1], [ISO C, POSIX, and SVID things.])
Gildas Bazin's avatar
 
Gildas Bazin committed
237

238
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
239
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
240 241
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
242
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
243 244 245
        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,
246
            [#ifdef _WIN32
Gildas Bazin's avatar
 
Gildas Bazin committed
247 248
             yes
             #endif],
249
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
250 251 252
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
253
    if test "${SYS}" = "mingw32"; then
254 255 256
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

257
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
258 259
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
260 261

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
262
        dnl NSIS/MSI Installer prefix and WIN64
263 264
        dnl
        case "${host}" in
265
            amd64*|x86_64*)
266
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
267
                WINDOWS_ARCH="x64"
268 269 270
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
271
                WINDOWS_ARCH="x86"
272 273 274
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
275
        AC_SUBST(WINDOWS_ARCH)
276 277
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
278
    fi
279
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
280
  *nto*)
281 282
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
283
  solaris*)
284 285
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
286
  hpux*)
287 288
    SYS=hpux
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
289 290
  *os2*)
    SYS=os2
291
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
292
    AC_LIBOBJ([freeaddrinfo])
KO Myung-Hun's avatar
KO Myung-Hun committed
293
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
294
  *)
295
    SYS="${host_os}"
296
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
297
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
298 299 300 301 302
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 "${HAVE_WIN64}" = "1")
303 304 305
AM_CONDITIONAL(HAVE_IOS,     test "${HAVE_IOS}" = "1")
AM_CONDITIONAL(HAVE_OSX,     test "${HAVE_OSX}" = "1")
AM_CONDITIONAL(HAVE_TVOS,    test "${HAVE_TVOS}" = "1")
306

307 308 309 310 311 312 313
dnl
dnl Sadly autoconf does not think about testing foo.exe when ask to test
dnl for program foo on win32
case "${build_os}" in
    cygwin|msys)
        ac_executable_extensions=".exe"
    ;;
314 315 316
    os2*)
        BUILDEXEEXT=".exe"
    ;;
317 318 319
    *)
    ;;
esac
320
AC_SUBST(BUILDEXEEXT)
321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339

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")


340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
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
361 362
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391
        ])
      ])
    ])
  ])
], [
  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"
392
  export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
393 394 395 396 397 398 399 400 401 402 403 404 405
  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)

406
dnl Add extras/tools to the PATH
407
TOOLS_DIR="${srcdir}/extras/tools/build/bin"
408 409
AS_IF([test -d "${TOOLS_DIR}"], [
    TOOLS_DIR=`cd "${TOOLS_DIR}" && pwd`
410
    export PATH="${TOOLS_DIR}":$PATH
411 412
])

413
dnl
414 415 416 417
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
418 419 420 421

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
422 423
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
424

425 426 427
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
428

Luca Barbato's avatar
Luca Barbato committed
429 430
DOLT

431 432
lt_cv_deplibs_check_method=pass_all

433
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
434 435 436
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

437 438 439
dnl
dnl Gettext stuff
dnl
440
AM_GNU_GETTEXT_VERSION([0.19.4])
441
AM_GNU_GETTEXT([external], [need-ngettext])
442

443 444 445
dnl
dnl Iconv stuff
dnl
446
AM_ICONV
447

448 449
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
450
AS_IF([test "${SYS}" = "mingw32"], [
451

452
dnl Check for broken versions of mingw-runtime compatability library
453
    AC_MSG_CHECKING(for broken mingw-runtime)
454
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
455
#include <_mingw.h>
456 457 458 459 460
#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
461 462
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
463
    ])], [
464
        AC_MSG_RESULT([ok])
465
    ], [
466
        AC_MSG_RESULT([present])
467
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
468
    ])
469

470 471 472
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

473 474 475 476
    dnl Add WinMainCRTStartup entry point to show it's a WinMain application
    VLC_ADD_LDFLAGS([vlc],[-mwindows])

    dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
477
    VLC_SAVE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
478
    AC_CHECK_LIB(mingwex,opendir,
479
        AC_CHECK_LIB(mingw32,opendir,,
480
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
481
    )
Rafaël Carré's avatar
Rafaël Carré committed
482
    VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
483

484
    dnl Check for fnative-struct or mms-bitfields support for mingw32
485 486 487
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
488 489
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
490 491 492 493 494
        [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="${CXXFLAGS} -fnative-struct"
495 496
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
497 498
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
499
    fi
500
])
Gildas Bazin's avatar
 
Gildas Bazin committed
501

502 503 504 505
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

506
vlc_winstore_app=0
507 508
AS_IF([test "${SYS}" = "mingw32"],[
  AS_IF([test "${enable_winstore_app}" = "yes"], [
509
    vlc_winstore_app=1
510 511 512
     VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ],[
     VLC_ADD_LIBS([libvlccore],[-lwinmm])
513
    ])
514
  ])
515
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
516
AM_CONDITIONAL([HAVE_WINSTORE], [test "$vlc_winstore_app" = "1"])
517 518


519 520
dnl
dnl Buggy glibc prevention. Purposedly not cached.
521
dnl See sourceware.org bugs 5058 and 5443.
522 523 524
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
525
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
526 527 528 529 530
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
531
])], [
532 533 534
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
535
  AS_IF([test "x${enable_nls}" != "xno"], [
536 537
    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
538
glibc run-time. Alternatively, build with --disable-nls.])
539
  ])
540 541
])

Sam Hocevar's avatar
Sam Hocevar committed
542 543 544 545
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

546
dnl Check for system libs needed
547
need_libc=false
548

549
dnl Check for usual libc functions
550
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
551
AC_CHECK_FUNCS([daemon fcntl fstatvfs fork getenv getpwuid_r isatty lstat memalign mkostemp mmap open_memstream openat pread posix_fadvise posix_madvise setlocale stricmp strnicmp strptime uselocale pthread_cond_timedwait_monotonic_np pthread_condattr_setclock])
552
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir ffsll flockfile fsync getdelim getpid lldiv nrand48 poll posix_memalign rewind setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strsep strtof strtok_r strtoll swab tdestroy strverscmp])
553 554 555
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
556

557
dnl mingw64 implements those as static inline, not functions with C linkage
558 559
VLC_REPLACE_DECL([asprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([vasprintf], [#include <stdio.h>])
560 561
VLC_REPLACE_DECL([gmtime_r], [#include <time.h>])
VLC_REPLACE_DECL([localtime_r], [#include <time.h>])
562

563 564
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
565 566
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
567 568 569 570 571 572 573
])], [
  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
574
# Windows CE does not have strcoll()
575 576
AC_FUNC_STRCOLL

577
dnl Check for non-standard system calls
578 579 580 581
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
582 583 584
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
585
esac
586

587 588
AH_BOTTOM([#include <vlc_fixups.h>])

589 590 591 592 593
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
594
#elif defined (_WIN32)
595 596 597 598
# include <winsock2.h>
#endif
])

599
dnl Checks for socket stuff
600
VLC_SAVE_FLAGS
601 602 603 604 605 606 607 608 609 610
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"
  ])
])
611

612
AC_SEARCH_LIBS([inet_pton], [nsl], [
Fabrizio Ge's avatar
Fabrizio Ge committed
613 614
 AS_IF([test "$ac_cv_search_inet_pton" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_inet_pton $SOCKET_LIBS"
615 616 617
  ])
],, [${SOCKET_LIBS}])

618 619
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
620
    AC_LANG_PROGRAM([#ifdef _WIN32
621 622 623
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
624 625
        #include <ws2tcpip.h>
        #else
626
        #include <sys/socket.h>
627 628 629 630 631
        #include <arpa/inet.h>
        #endif], [
        char dst[[sizeof(struct in_addr)]];
        inet_pton(AF_INET, "127.0.0.1", dst);
    ])],[AC_DEFINE([HAVE_INET_PTON],[1],[Define to 1 if you have inet_pton function])],[AC_LIBOBJ([inet_pton])])
632
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
633
VLC_RESTORE_FLAGS
634
AC_SUBST(SOCKET_LIBS)
635

636
dnl Check for socklen_t
637
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
638
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
639 640
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
641
[#include <sys/types.h>
642
#ifdef _WIN32
643
# include <winsock2.h>
644
# include <ws2tcpip.h>
645 646
#else
# include <sys/socket.h>
647 648 649 650 651
#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)])
652

653
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
654 655
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
656 657 658
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
659
     #if defined( _WIN32 )
660 661 662 663 664 665
     # 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)])
666
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
667 668
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
669
])
670

671 672 673 674 675 676 677 678
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
679

Sam Hocevar's avatar
Sam Hocevar committed
680
AC_CHECK_LIB(m,cos,[
681 682 683
  LIBM="-lm"
], [
  LIBM=""
684
])
685
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
686

687 688 689 690
AC_CHECK_LIB(m,lrintf, [
  AC_DEFINE(HAVE_LRINTF, 1, [Define to 1 if you have the lrintf function])
  VLC_ADD_LIBS([skins2],[-lm])
])
Thomas Guillem's avatar
Thomas Guillem committed
691 692 693
AC_CHECK_LIB(m,nanf,
  AC_DEFINE(HAVE_NANF, 1, [Define to 1 if you have the NANF function])
)
694

Sam Hocevar's avatar
Sam Hocevar committed
695
dnl Check for dynamic plugins
696 697
LIBDL=""
have_dynamic_objects="no"
698
VLC_SAVE_FLAGS
699
AC_SEARCH_LIBS(dlsym, [dl svld], [
700 701
  AS_IF([test "$ac_cv_search_dlsym" != "none required"], [
    LIBDL="$ac_cv_search_dlsym"
702
  ])
703
  have_dynamic_objects="yes"
704
])
705
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
706

707
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
708
AS_IF([test "${SYS}" = "mingw32"], [
709
  LIBDL=""
710
  have_dynamic_objects="yes" #assume we can use shared objects
711
])
712

713 714
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
715
])
Rafaël Carré's avatar
Rafaël Carré committed
716 717
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

718
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
719

720
dnl Check for thread library
721 722
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
723
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
724 725
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
726 727 728
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
729 730
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
731

732 733 734
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
735 736 737 738 739 740 741 742 743
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
744 745 746
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
747 748
])
AC_SUBST(LIBPTHREAD)
Gildas Bazin's avatar
 
Gildas Bazin committed
749

750
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
751
dnl Check for headers
752 753
dnl

754
dnl  POSIX
755
AC_CHECK_HEADERS([arpa/inet.h pthread.h search.h sys/shm.h sys/socket.h])
756 757 758 759 760
AC_CHECK_HEADERS([net/if.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
])
761 762 763
AC_CHECK_HEADER([syslog.h], [have_syslog="yes"], [have_syslog="no"])
AM_CONDITIONAL([HAVE_SYSLOG], [test "$have_syslog" = "yes"])

764 765
dnl  BSD
AC_CHECK_HEADERS([netinet/udplite.h sys/param.h sys/mount.h])
766

767 768
dnl  GNU/Linux
AC_CHECK_HEADERS([getopt.h linux/dccp.h linux/magic.h mntent.h sys/eventfd.h])
769

770 771
dnl  MacOS
AC_CHECK_HEADERS([xlocale.h])
Sam Hocevar's avatar
 
Sam Hocevar committed
772

773
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
774
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
775 776 777 778
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
779 780 781
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.
782
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
783
AC_ARG_VAR(PKG_CONFIG_PATH,
784
       [Paths where to find .pc not at the default location])
785 786
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
787
dnl On some OS we need static linking
788
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
789
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
790 791 792
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
793 794


795 796
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
797
dnl
798 799 800 801
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
802
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
803
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
804
    AC_CHECK_HEADERS([unzip.h], [
805 806 807
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
808
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
809
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
810 811 812 813
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
814
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
815
fi
816
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
817 818


819 820 821 822 823 824 825 826 827 828 829
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"
])


830 831
dnl Check for dbus
AC_ARG_ENABLE(dbus,
832 833
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
834 835
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
836
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
837 838 839 840 841 842 843 844 845 846
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
847

848 849 850 851 852 853 854 855 856 857

dnl Check for systemd
PKG_CHECK_MODULES([SYSTEMD], [libsystemd], [
  have_systemd="yes"
], [
  AC_MSG_WARN([${SYSTEMD_PKG_ERRORS}.])
])
AM_CONDITIONAL([HAVE_SYSTEMD], [test "${have_systemd}" = "yes"])


Sam Hocevar's avatar
 
Sam Hocevar committed
858
dnl Check for ntohl, etc.
859 860
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
861
AC_CACHE_CHECK([for ntohl in sys/param.h],
862
    [ac_cv_c_ntohl_sys_param_h],
863
    [     AC_TRY_COMPILE([#include <sys/param.h>],
864
        [int meuh; ntohl(meuh);],
865
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
866
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
867
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
868
fi
869
VLC_RESTORE_FLAGS
870 871 872 873 874

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
875

876
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 init-self logical-op])
Pierre's avatar
Pierre committed
877
RDC_PROG_CC_FLAGS([-pipe])
878 879 880
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
881

882 883 884 885 886
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
887
    [build with run-time assertions (default disabled)])],,
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932
  [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}"
])

933
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
934 935 936 937
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
938 939 940 941 942 943 944 945
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
946
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
947 948
])

949

950 951 952 953 954 955 956 957
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
958
dnl Check for various optimization flags
959 960
AS_IF([test "${enable_optimizations}" != "no"], [

961
  dnl -O3 only in production builds
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
962
  AS_IF([test "${enable_debug}" = "no"], [
963
    VLC_SAVE_FLAGS
964 965 966 967
    CFLAGS="${CFLAGS} -O3"
    CXXFLAGS="${CXXFLAGS} -O3"
    OBJCFLAGS="${OBJCFLAGS} -O3"
    AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
968
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
969
        ac_cv_c_o3=yes
970
      ], [
971
        ac_cv_c_o3=no
972 973
      ])
    ])
974
    AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
975
  ])
976

977
  dnl Check for -ffast-math
978 979 980 981
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
982 983 984 985 986 987 988
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
989
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
990 991
  AH_BOTTOM([
#ifndef __FAST_MATH__
992 993 994 995 996 997 998
# ifndef _MSC_VER
#  pragma STDC FENV_ACCESS OFF
#  pragma STDC FP_CONTRACT ON
# else
#  pragma fenv_access(off)
#  pragma fp_contract(on)
# endif