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

Rafaël Carré's avatar
Rafaël Carré committed
3
AC_COPYRIGHT([Copyright 2002-2013 VLC authors and VideoLAN])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
4

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
5
AC_INIT(vlc, 2.2.0-git)
6
VERSION_MAJOR=2
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
7
VERSION_MINOR=2
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="Weatherwax"
Rafaël Carré's avatar
Rafaël Carré committed
17
COPYRIGHT_YEARS="1996-2013"
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

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
      arm*)
        ac_cv_c_bigendian="no"
147
        ac_cv_c_attribute_packed="no"
148
      ;;
149 150
    esac

151
    SYS=darwin
152 153 154 155 156
    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}"
Pierre Ynard's avatar
Pierre Ynard committed
157
    VLC_ADD_LIBS([motion rotate], [-Wl,-framework,IOKit,-framework,CoreFoundation])
158
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
159
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
Pierre Ynard's avatar
Pierre Ynard committed
160
    VLC_ADD_CFLAGS([motion rotate],[-fconstant-cfstrings])
161
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,SystemConfiguration])
162

163
    dnl Allow binaries created on Lion to run on earlier releases
164 165 166 167 168 169
    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
170 171 172
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
173

174
    dnl
175
    dnl  Handle Mac OS X SDK flags
176 177
    dnl
    AC_ARG_WITH(macosx-sdk,
178 179
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
180 181 182 183 184 185 186 187
    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 ${with_macosx_sdk}"
    fi
188
    AC_ARG_WITH(macosx-version-min,
189
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
190 191 192 193 194 195 196 197 198 199 200 201
        [compile for Mac OS X VERSION and above])])
    if test "${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
202
    fi
203
    ;;
204
  *mingw32* | *cygwin* | *wince* | *mingwce*)
205
    AC_CHECK_TOOL(WINDRES, windres, :)
206
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
207
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
208 209
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
210
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
211 212
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
Gildas Bazin's avatar
 
Gildas Bazin committed
213

214
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
215
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
216 217
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
218
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
219 220 221
        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,
222
            [#ifdef _WIN32
Gildas Bazin's avatar
 
Gildas Bazin committed
223 224
             yes
             #endif],
225
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
226 227 228
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
229
    if test "${SYS}" = "mingw32"; then
230 231 232
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

233
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
234
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
235
        VLC_ADD_LIBS([win32text],[-lgdi32])
236
        VLC_ADD_LIBS([vcdx],[-lwinmm])
237
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
238 239
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
240 241

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
242
        dnl NSIS/MSI Installer prefix and WIN64
243 244
        dnl
        case "${host}" in
245
            amd64*|x86_64*)
246
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
247
                WINDOWS_ARCH="x64"
248 249 250
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
251
                WINDOWS_ARCH="x86"
252 253 254
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
255
        AC_SUBST(WINDOWS_ARCH)
256 257
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
258
    fi
259
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
260
  *nto*)
261 262
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
263
  solaris*)
264 265
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
266
  hpux*)
267 268
    SYS=hpux
    ;;
269 270 271
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
272 273
  *os2*)
    SYS=os2
274
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
275
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
276
  *)
277
    SYS="${host_os}"
278
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
279
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
280 281 282 283 284
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 "${HAVE_WIN64}" = "1")
285
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
286

287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
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"
    ;;
    *)
    ;;
esac

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")


316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
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
337 338
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
        ])
      ])
    ])
  ])
], [
  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)

386
dnl
387 388 389 390
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
391 392 393 394

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
395 396
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
397

398 399 400
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
401

Luca Barbato's avatar
Luca Barbato committed
402 403
DOLT

404 405
lt_cv_deplibs_check_method=pass_all

406
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
407 408 409
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

410 411 412
dnl
dnl Gettext stuff
dnl
413
AM_GNU_GETTEXT_VERSION([0.18.3])
414
AM_GNU_GETTEXT([external], [need-ngettext])
415

416 417 418
dnl
dnl Iconv stuff
dnl
419
AM_ICONV
420

421 422
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
423
AS_IF([test "${SYS}" = "mingw32"], [
424
dnl Check for broken versions of mingw-runtime compatability library
425
    AC_MSG_CHECKING(for broken mingw-runtime)
426
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
427
#include <_mingw.h>
428 429 430 431 432
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
433 434
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
435
    ])], [
436
        AC_MSG_RESULT([ok])
437
    ], [
438
        AC_MSG_RESULT([present])
439
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
440
    ])
441 442 443
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

Gildas Bazin's avatar
 
Gildas Bazin committed
444
dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
445
    VLC_SAVE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
446
    AC_CHECK_LIB(mingwex,opendir,
447
        AC_CHECK_LIB(mingw32,opendir,,
448
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
449
    )
Rafaël Carré's avatar
Rafaël Carré committed
450
    VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
451

Gildas Bazin's avatar
 
Gildas Bazin committed
452
dnl Check for fnative-struct or mms-bitfields support for mingw32
453 454 455
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
456 457
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
458 459 460 461 462
        [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="${CXXFLAGS} -fnative-struct"
463 464
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
465 466
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
467
    fi
468
])
Gildas Bazin's avatar
 
Gildas Bazin committed
469

470 471 472 473
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

474
vlc_winstore_app=0
475 476 477 478
AS_IF([test "${SYS}" = "mingw32" -a "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
    VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ])
479
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
480 481


482 483
dnl
dnl Buggy glibc prevention. Purposedly not cached.
484
dnl See sourceware.org bugs 5058 and 5443.
485 486 487
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
488
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
489 490 491 492 493
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
494
])], [
495 496 497
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
498
  AS_IF([test "x${enable_nls}" != "xno"], [
499 500
    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
501
glibc run-time. Alternatively, build with --disable-nls.])
502
  ])
503 504
])

Sam Hocevar's avatar
Sam Hocevar committed
505 506 507 508
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

509
dnl Check for system libs needed
510
need_libc=false
511

512
dnl Check for usual libc functions
513
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
514
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])
515
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir flockfile fsync getdelim getpid gmtime_r lldiv localtime_r nrand48 poll posix_memalign rewind setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strsep strtof strtok_r strtoll swab tdestroy strverscmp])
516 517 518
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
519

520 521 522 523 524 525
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;
526
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
527
AC_LINK_IFELSE([
528 529
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
530 531 532 533
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
534
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
535

536 537
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
538 539
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
540 541 542 543 544 545 546
])], [
  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
547
# Windows CE does not have strcoll()
548 549
AC_FUNC_STRCOLL

550
dnl Check for non-standard system calls
551 552 553 554
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
555 556 557
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
558
esac
559

560 561
AH_BOTTOM([#include <vlc_fixups.h>])

562 563 564 565 566
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
567
#elif defined (_WIN32)
568 569 570 571
# include <winsock2.h>
#endif
])

572
dnl Checks for socket stuff
573
VLC_SAVE_FLAGS
574 575 576 577 578 579 580 581 582 583
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"
  ])
])
584 585 586 587 588 589 590

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

591 592
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
593
    AC_LANG_PROGRAM([#ifdef _WIN32
594 595 596
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
597 598
        #include <ws2tcpip.h>
        #else
599
        #include <sys/socket.h>
600 601 602 603 604
        #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])])
605
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
606
VLC_RESTORE_FLAGS
607

608
AS_IF([test -n "$SOCKET_LIBS"], [
609
  VLC_ADD_LIBS([access_http access_udp access_tcp access_ftp access_rtmp access_output_udp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp rtp oldrc netsync gnutls ts audioscrobbler lua remoteosd zvbi audiobargraph_a],[${SOCKET_LIBS}])
610 611
])
AC_SUBST(SOCKET_LIBS)
612

613
dnl Check for socklen_t
614
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
615
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
616 617
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
618
[#include <sys/types.h>
619
#ifdef _WIN32
620
# include <winsock2.h>
621
# include <ws2tcpip.h>
622 623
#else
# include <sys/socket.h>
624 625 626 627 628
#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)])
629

630
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
631 632
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
633 634 635
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
636
     #if defined( _WIN32 )
637 638 639 640 641 642
     # 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)])
643
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
644 645
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
646
])
647

648 649 650 651 652 653 654 655
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
656

Sam Hocevar's avatar
Sam Hocevar committed
657
AC_CHECK_LIB(m,cos,[
658
  VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom rotate noise grain scene kate lua chorus_flanger freetype swscale postproc faad twolame equalizer spatializer param_eq samplerate freetype mpc dmo quicktime qt4 compressor headphone_channel_mixer normvol audiobargraph_a audiobargraph_v speex opus mono colorthres extract ball access_imem hotkeys mosaic gaussianblur x262 x26410b hqdn3d anaglyph oldrc ncurses oldmovie glspectrum],[-lm])
659 660 661
  LIBM="-lm"
], [
  LIBM=""
662
])
663
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
664

665 666 667 668 669
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
670
dnl Check for dynamic plugins
671 672
LIBDL=""
have_dynamic_objects="no"
673
VLC_SAVE_FLAGS
674 675 676 677
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
678
  have_dynamic_objects="yes"
679
])
680
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
681

682
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
683
AS_IF([test "${SYS}" = "mingw32"], [
684
  LIBDL=""
685
  have_dynamic_objects="yes" #assume we can use shared objects
686
])
687

688 689
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
690
])
Rafaël Carré's avatar
Rafaël Carré committed
691 692
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

693
AC_SUBST(LIBDL)
694
VLC_ADD_LIBS([lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
695

696
dnl Check for thread library
697 698
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
699
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
700 701
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
702 703 704
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
705 706
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
707

708 709 710
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
711 712 713 714 715 716 717 718 719
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
720 721 722
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
723 724
])
AC_SUBST(LIBPTHREAD)
Gildas Bazin's avatar
 
Gildas Bazin committed
725

Sam Hocevar's avatar
 
Sam Hocevar committed
726
dnl Check for headers
727
AC_CHECK_HEADERS([search.h])
728
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
729
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
730
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
731 732
AC_CHECK_HEADERS([net/if.h], [], [],
  [
733
    #include <sys/types.h>
734
    #include <sys/socket.h>
735
  ])
736 737 738 739
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
740

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
741
if test "${SYS}" != "mingw32"; then
742 743
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
744
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
745
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
 
Sam Hocevar committed
746

747
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
748
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
749 750 751 752
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
 
Sam Hocevar committed
753
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
754
if test "${SYS}" != "mingw32"; then
755
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
756
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
 
Sam Hocevar committed
757

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
758 759 760
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.
761
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
762
AC_ARG_VAR(PKG_CONFIG_PATH,
763
       [Paths where to find .pc not at the default location])
764 765
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
766
dnl On some OS we need static linking
767
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
768
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
769 770 771
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
772 773


774 775
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
776
dnl
777 778 779 780
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
781
  VLC_ADD_LIBS([access_http skins2 sap unzip zip],[-lz])
782
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
783
    AC_CHECK_HEADERS([unzip.h], [
784 785 786
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
787 788
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/access/libunzip.la])
789 790 791 792
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
793
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
794
fi
795
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
796 797


798 799 800 801 802 803 804 805 806 807 808
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"
])


809 810
dnl Check for dbus
AC_ARG_ENABLE(dbus,
811 812
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
813 814
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
815
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
816 817 818 819 820 821 822 823 824 825
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
826

Sam Hocevar's avatar
 
Sam Hocevar committed
827
dnl Check for ntohl, etc.
828 829
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
830
AC_CACHE_CHECK([for ntohl in sys/param.h],
831
    [ac_cv_c_ntohl_sys_param_h],
832
    [     AC_TRY_COMPILE([#include <sys/param.h>],
833
        [int meuh; ntohl(meuh);],
834
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
835
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
836
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
837
fi
838
VLC_RESTORE_FLAGS
839 840 841 842 843

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
844

845
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
846
RDC_PROG_CC_FLAGS([-pipe])
847 848 849
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
850

851 852 853 854 855
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
856
    [build with run-time assertions (default disabled)])],,
857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901
  [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}"
])

902
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
903 904 905 906
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
907 908 909 910 911 912 913 914
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
915
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
916 917
])

918

919 920 921 922 923 924 925 926
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
927
dnl Check for various optimization flags
928 929 930 931
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
932 933 934 935
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
936 937 938 939 940 941 942
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
943 944 945 946 947
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
948 949 950 951 952 953 954
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
955
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
956 957
    ])
  ])
958

959
  dnl Check for -ffast-math
960 961 962 963
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
964 965 966 967 968 969 970
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
971
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
972 973 974 975 976 977
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
 
Sam Hocevar committed
978

979
  dnl Check for -funroll-loops
980 981 982 983
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
984 985 986 987 988 989 990
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
991
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
992 993 994

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
995 996 997 998
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
999 1000 1001 1002 1003 1004 1005 1006
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
1007
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
1008 1009
  ])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
1010

1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023
VLC_SAVE_FLAGS
LDFLAGS="${LDFLAGS} -Wl,-Bsymbolic"
AC_CACHE_CHECK([if linker supports -Bsymbolic], [ac_cv_ld_bsymbolic], [
  AC_TRY_LINK([],, [
    ac_cv_ld_bsymbolic="-Wl,-Bsymbolic"
  ], [
    ac_cv_ld_bsymbolic=""
  ])
])
VLC_RESTORE_FLAGS
SYMBOLIC_LDFLAGS="${ac_cv_ld_bsymbolic}"
AC_SUBST(SYMBOLIC_LDFLAGS)

Sam Hocevar's avatar
 
Sam Hocevar committed
1024
dnl Check for Darwin plugin linking flags
1025
AS_IF([test "${SYS}" = "darwin"], [
1026 1027
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -bundle -undefined error"
1028 1029 1030 1031 1032 1033