configure.ac 128 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

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
5
AC_INIT(vlc, 1.3.0-git)
6
VERSION_MAJOR=1
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
7
VERSION_MINOR=3
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.])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
62

63 64
AM_PROG_CC_C_O
AC_PROG_CXX
65
AC_PROG_CPP
66 67 68
AC_PROG_OBJC
_AM_DEPENDENCIES([OBJC])
AC_PROG_EGREP
69 70
AC_PROG_MAKE_SET
AC_PROG_INSTALL
71
AM_PROG_AS
72

73 74 75
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)

76 77 78
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
79
AC_C_RESTRICT
80

81 82 83
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

84
dnl Allow binary package maintainer to pass a custom string to avoid
85
dnl cache problem
86
AC_ARG_WITH(binary-version,
87 88
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
89
AS_IF([test -n "${with_binary_version}"],[
90 91 92
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
93

Gildas Bazin's avatar
 
Gildas Bazin committed
94 95 96
dnl
dnl  Check the operating system
dnl
97
HAVE_WIN64="0"
98
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
99
  "")
100 101
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
102
  linux*)
103 104
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
105
  bsdi*)
106
    SYS=bsdi
107
    CFLAGS="${CFLAGS} -pthread"
108
    VLC_ADD_LIBS([vcd cdda vcdx],[-ldvd])
109
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
110
  *bsd*)
111
    SYS="${host_os}"
112
    CFLAGS="${CFLAGS} -pthread"
113
    case "${host_os}" in
114
      freebsd*)
115 116
        CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
        LDFLAGS="${LDFLAGS} -L/usr/local/lib"
117
        ;;
118
      openbsd*)
119 120
        CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/X11R6/include"
        LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/X11R6/lib/"
121
        ;;
122
    esac
123
    ;;
124
  darwin*)
125 126 127 128

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
129
      i?86*)
130 131 132 133 134 135 136 137 138 139 140 141 142
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
    esac

143
    SYS=darwin
144 145 146 147 148
    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}"
149
    VLC_ADD_LIBS([mkv mp4 motion], [-Wl,-framework,IOKit,-framework,CoreFoundation])
150 151
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup])
    VLC_ADD_LIBS([avcodec avformat access_avio swscale postproc i420_rgb_mmx x264],[-Wl,-read_only_relocs,suppress])
152
    VLC_ADD_CFLAGS([motion],[-fconstant-cfstrings])
153
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation])
154

155 156 157 158
    dnl
    dnl  Check for Mac OS X SDK settings
    dnl
    AC_ARG_WITH(macosx-sdk,
159 160
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
161
    test "${with_macosx_sdk}" = "" && with_macosx_sdk=/Developer/SDKs/MacOSX10.6.sdk
162
    ! test -d "${with_macosx_sdk}" && AC_MSG_ERROR([SDK "${with_macosx_sdk}" not found])
163
    AC_ARG_WITH(macosx-version-min,
164 165
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
        [compile for MacOS X VERSION and above])])
166 167
    if test "${with_macosx_version_min}" = "" ; then
       with_macosx_version_min=10.5
168
    fi
169 170 171 172 173 174 175 176 177 178
    MACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}
    CPP="${CPP} -isysroot ${with_macosx_sdk} -mmacosx-version-min=${with_macosx_version_min}"
    CC="${CC} -isysroot ${with_macosx_sdk} -mmacosx-version-min=${with_macosx_version_min}"
    CXX="${CXX} -isysroot ${with_macosx_sdk} -mmacosx-version-min=${with_macosx_version_min}"
    OBJC="${OBJC} -isysroot ${with_macosx_sdk} -mmacosx-version-min=${with_macosx_version_min}"
    LD="${LD} -syslibroot ${with_macosx_sdk} -mmacosx_version_min=${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
179
    ;;
180
  *mingw32* | *cygwin* | *wince* | *mingwce*)
181
    AC_CHECK_TOOL(WINDRES, windres, :)
182
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
183 184
    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
185

186
    case "${host_os}" in
187
      *wince* | *mingwce* | *mingw32ce*)
Sam Hocevar's avatar
Sam Hocevar committed
188
        SYS=mingwce
189
        dnl Sadly CeGCC still needs non-wince macros
Sam Hocevar's avatar
Sam Hocevar committed
190
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
191
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
192 193
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
194
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
195 196 197 198 199 200
        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],
201
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
202 203 204
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
205
    if test "${SYS}" = "mingw32"; then
206
        VLC_ADD_LIBS([libvlccore],[-lnetapi32 -lwinmm])
207
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
208
        VLC_ADD_LIBS([win32text],[-lgdi32])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
209
        VLC_ADD_LIBS([cdda vcdx sdl_image vout_sdl],[-lwinmm])
210
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
211 212
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
213 214

        dnl
215
        dnl NSIS Installer prefix and WIN64
216 217
        dnl
        case "${host}" in
218
            amd64*|x86_64*)
219
                HAVE_WIN64="1"
220 221 222 223 224 225 226 227
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
228
    fi
229
    if test "${SYS}" = "mingwce"; then
230
        VLC_ADD_LIBS([libvlccore],[-lmmtimer])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
231
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
232 233
        ac_default_prefix="`pwd`/_wince"
        DESTDIR="`pwd`/_wince/"
234
    fi
235
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
236
  *nto*)
237 238
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
239
  solaris*)
240 241
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
242
  hpux*)
243 244
    SYS=hpux
    ;;
245 246 247
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
248 249
  *os2*)
    SYS=os2
250
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
251
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
252
  *)
253
    SYS="${host_os}"
254
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
255
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
256 257 258 259 260 261
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")
262
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
263

264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
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
285 286
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
        ])
      ])
    ])
  ])
], [
  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)

334
dnl
Rafaël Carré's avatar
Rafaël Carré committed
335
dnl Sadly autoconf does not think about testing foo.exe when ask to test
336 337 338 339 340
dnl for program foo on win32

case "${build_os}" in
    cygwin|msys)
        ac_executable_extensions=".exe"
341
    ;;
342
    *)
343
    ;;
344 345
esac

346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
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")

363
dnl
364 365 366 367
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
368 369 370 371

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
372 373
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
374

375 376 377
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
378

379 380 381 382 383
m4_undefine([AC_DEPLIBS_CHECK_METHOD])
m4_defun([AC_DEPLIBS_CHECK_METHOD],[])

lt_cv_deplibs_check_method=pass_all

384
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
385 386 387
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

388 389 390
dnl
dnl Gettext stuff
dnl
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
391
AM_GNU_GETTEXT_VERSION([0.18.1])
392
AM_GNU_GETTEXT([external])
393

394 395 396
dnl
dnl Iconv stuff
dnl
397
AM_ICONV
398

399
dnl Check for broken versions of mingw-runtime compatability library
400
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
401
    AC_MSG_CHECKING(for broken mingw-runtime)
402
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
403
#include <_mingw.h>
404
#if (__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 15)
405
#ifndef __MINGW64_VERSION_MAJOR
406
# error Attempting to use mingw-runtime with broken vsnprintf support
407
#endif
408
#endif
409
    ])], [
410
        AC_MSG_RESULT([ok])
411
    ], [
412
        AC_MSG_RESULT([present])
413
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher!])
414
    ])
415 416
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"
417
])
418

Gildas Bazin's avatar
 
Gildas Bazin committed
419
dnl Check for the need to include the mingwex lib for mingw32
420
if test "${SYS}" = "mingw32" ; then
Gildas Bazin's avatar
 
Gildas Bazin committed
421
    AC_CHECK_LIB(mingwex,opendir,
422
        AC_CHECK_LIB(mingw32,opendir,,
423
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
424 425 426
    )
fi

Gildas Bazin's avatar
 
Gildas Bazin committed
427
dnl Check for fnative-struct or mms-bitfields support for mingw32
428
if test "${SYS}" = "mingw32" ; then
429 430 431
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
432 433
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
434 435 436 437 438
        [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="${CXXFLAGS} -fnative-struct"
439 440
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
441 442
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
443
    fi
Gildas Bazin's avatar
 
Gildas Bazin committed
444 445
fi

446 447
dnl
dnl Buggy glibc prevention. Purposedly not cached.
448
dnl See sourceware.org bugs 5058 and 5443.
449 450 451
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
452
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
453 454 455 456 457
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
458
])], [
459 460 461
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
462
  AS_IF([test "x${enable_nls}" != "xno"], [
463 464
    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
465
glibc run-time. Alternatively, build with --disable-nls.])
466
  ])
467 468
])

Sam Hocevar's avatar
Sam Hocevar committed
469 470 471 472
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

473
dnl Check for system libs needed
474
need_libc=false
475

476
dnl Check for usual libc functions
477
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
478
AC_CHECK_FUNCS([daemon fcntl fstatvfs fork getenv getpwuid_r if_nameindex if_nametoindex isatty lstat memalign mmap openat pread posix_fadvise posix_madvise setlocale stricmp strnicmp strptime uselocale])
479
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir flockfile fsync getdelim getpid gmtime_r inet_pton lldiv localtime_r nrand48 rewind setenv strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab tdestroy])
480 481 482
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
483

484 485 486 487 488 489
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;
490
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
491 492 493 494 495 496
AC_LINK_IFELSE([
    AC_LANG_PROGRAM([#include <stdio.h>], [
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
497
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
498

Rafaël Carré's avatar
Rafaël Carré committed
499
# Windows CE does not have strcoll()
500 501
AC_FUNC_STRCOLL

502
dnl Check for non-standard system calls
503
AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
504

505 506
AH_BOTTOM([#include <vlc_fixups.h>])

507 508 509 510
dnl Check for poll
AC_SEARCH_LIBS(poll, [poll], [
  AC_DEFINE(HAVE_POLL, 1, [Define to 1 if the OS has poll().])
], [
KO Myung-Hun's avatar
KO Myung-Hun committed
511
  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" -a "${SYS}" != "os2"], [
512
    AC_MSG_ERROR([poll() is required.])
Sam Hocevar's avatar
Sam Hocevar committed
513 514
  ])
])
515

516 517 518 519 520 521 522 523 524 525 526
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
])

dnl Check for connect
527
VLC_SAVE_FLAGS
528 529 530 531 532 533 534 535 536 537 538 539 540
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"
  ])
])
541
VLC_RESTORE_FLAGS
542
AS_IF([test -n "$SOCKET_LIBS"], [
543
  VLC_ADD_LIBS([access_http access_mms access_udp access_tcp access_ftp access_rtmp access_output_udp access_output_shout sap stream_out_select stream_out_standard stream_out_rtp stream_out_raop vod_rtsp access_realrtsp rtp oldrc netsync gnutls flac ts audioscrobbler lua remoteosd zvbi audiobargraph_a netsync],[${SOCKET_LIBS}])
544 545
])
AC_SUBST(SOCKET_LIBS)
546

547
dnl Check for socklen_t
548
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
549
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
550 551
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
552 553
[#include <sys/types.h>
#ifdef WIN32
554
# include <winsock2.h>
555
# include <ws2tcpip.h>
556 557
#else
# include <sys/socket.h>
558 559 560 561 562
#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)])
563

564
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
565 566
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
567 568 569 570
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
     #if defined( UNDER_CE )
571
     # include <winsock2.h>
572 573 574 575 576 577 578
     #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)])
579
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
580 581
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
582
])
583

584
dnl getaddrinfo, getnameinfo and gai_strerror check
585
dnl  -lnsl and -lsocket are needed on Solaris;
586
dnl  we purposedly make the test fail on Windows
587
VLC_SAVE_FLAGS
588
AC_SEARCH_LIBS([getaddrinfo], [nsl],,, [${SOCKET_LIBS}])
589
VLC_RESTORE_FLAGS
590

591 592 593 594 595 596 597 598
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
599

Sam Hocevar's avatar
Sam Hocevar committed
600
AC_CHECK_LIB(m,cos,[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
601
  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 mod mpc dmo quicktime realvideo qt4 compressor headphone_channel_mixer normvol audiobargraph_a speex mono colorthres extract ball access_imem hotkeys mosaic gaussianblur dbus x264 hqdn3d],[-lm])
602 603 604
  LIBM="-lm"
], [
  LIBM=""
605
])
606
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
607

608 609 610 611 612
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
613
dnl Check for dynamic plugins
614 615
LIBDL=""
have_dynamic_objects="no"
616
VLC_SAVE_FLAGS
617 618 619 620
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
621
  have_dynamic_objects="yes"
622
])
623
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
624

625 626 627
# Windows
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
  LIBDL=""
628
  have_dynamic_objects="yes" #assume we can use shared objects
629
])
630

Rafaël Carré's avatar
Rafaël Carré committed
631 632 633
test "${enable_shared}" = "no" && have_dynamic_objects=no

AS_IF([test "${have_dynamic_objects}" != "no"], [
634 635 636 637 638 639
  AC_DEFINE(HAVE_DYNAMIC_PLUGINS, 1,
            [Define to 1 if dynamic plugins are supported.])
], [
  dnl Clear $LIBDL so as not to break linking
  LIBDL=""
])
Rafaël Carré's avatar
Rafaël Carré committed
640 641
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

642
AC_SUBST(LIBDL)
643
VLC_ADD_LIBS([realvideo lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
644

645
dnl Check for thread library
646
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
Rafaël Carré's avatar
Rafaël Carré committed
647

Rafaël Carré's avatar
Rafaël Carré committed
648
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
649 650 651
  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
652 653
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
654

655 656 657
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
658 659 660 661 662 663 664 665 666
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
667 668 669
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
670
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Gildas Bazin's avatar
 
Gildas Bazin committed
671

Sam Hocevar's avatar
 
Sam Hocevar committed
672
dnl Check for misc headers
673
AC_MSG_CHECKING(for strncasecmp in strings.h)
Sam Hocevar's avatar
 
Sam Hocevar committed
674
AC_EGREP_HEADER(strncasecmp,strings.h,[
675
  AC_MSG_RESULT(yes)
676
  AC_DEFINE(STRNCASECMP_IN_STRINGS_H, 1,
677 678
            Define if <strings.h> defines strncasecmp.)],[
  AC_MSG_RESULT(no)])
Sam Hocevar's avatar
 
Sam Hocevar committed
679

Sam Hocevar's avatar
 
Sam Hocevar committed
680
dnl Check for headers
681
AC_CHECK_HEADERS([search.h])
682
AC_CHECK_HEADERS(getopt.h strings.h locale.h xlocale.h)
683
AC_CHECK_HEADERS(fcntl.h sys/time.h sys/ioctl.h sys/stat.h)
684
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
685 686
AC_CHECK_HEADERS([net/if.h], [], [],
  [
687
    #include <sys/types.h>
688
    #include <sys/socket.h>
689
  ])
690 691 692 693
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
694

695
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
696 697 698
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
  AC_CHECK_HEADERS(syslog.h)
699
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
700

701
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
702
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
703 704 705 706
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
 
Sam Hocevar committed
707
dnl Check for threads library
708
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
709
  AC_CHECK_HEADERS(pthread.h)
710
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
711

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
712 713 714
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.
715
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
716
AC_ARG_VAR(PKG_CONFIG_PATH,
717
       [Paths where to find .pc not at the default location])
718 719
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
720
dnl On some OS we need static linking
721
AS_IF([test -n "${PKG_CONFIG}" ],[
KO Myung-Hun's avatar
KO Myung-Hun committed
722
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
723 724 725
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
726 727


728 729
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
730
dnl
731 732 733 734
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
735
  VLC_ADD_LIBS([access_http mp4 skins2 sap mkv unzip zip],[-lz])
736
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
737
    AC_CHECK_HEADERS([unzip.h], [
738 739 740 741
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
      have_minizip=no
742 743
      MINIZIP_CFLAGS="-I\\\${top_srcdir}/modules/access/zip/unzip"
      MINIZIP_LIBS="\\\${top_builddir}/modules/access/zip/unzip/libunzip.la"
744 745 746
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
747
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
748
fi
749
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
750 751


752 753
dnl Manual switch for UTF-8
AC_ARG_ENABLE(non-utf8,
754 755
  [AS_HELP_STRING([--enable-non-utf8],
    [support legacy non-UTF-8 systems (default disabled)])],, [
756
  AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "os2"], [
757 758 759 760 761 762 763 764 765
    enable_non_utf8="no"
  ])
])
AS_IF([test "${enable_non_utf8}" != "no"], [
  AC_DEFINE([ASSUME_UTF8], [1],
            [Define to 1 if the operating system uses UTF-8 internally])
])


766 767
dnl Check for dbus
AC_ARG_ENABLE(dbus,
768 769
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
Rafaël Carré's avatar
Rafaël Carré committed
770 771
case "${SYS}" in
    linux*|*bsd*)
772
if test "${enable_dbus}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
773
then
774
  dnl api stable dbus
775
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.0.0],
776
    [ AC_DEFINE( HAVE_DBUS, 1, [Define if you have the D-BUS library] )
777 778
      VLC_ADD_LIBS([libvlccore],[$DBUS_LIBS])
      VLC_ADD_CFLAGS([libvlccore],[$DBUS_CFLAGS])
779
      dnl Check for dbus control interface
780 781 782
        AC_ARG_ENABLE(dbus-control,
          [AS_HELP_STRING([--disable-dbus-control],
            [D-Bus control interface (default enabled)])])
783
        if test "${enable_dbus_control}" != "no"
784
        then
785
          VLC_ADD_PLUGIN([dbus])
786
          VLC_ADD_LIBS([dbus],[$DBUS_LIBS])
787
          VLC_ADD_CFLAGS([dbus],[$DBUS_CFLAGS])
788 789
        fi
      dnl Check for Telepathy
Christophe Mutricy's avatar
Christophe Mutricy committed
790 791
        AC_ARG_ENABLE(telepathy,
          AS_HELP_STRING([--enable-telepathy],[Telepathy Presence plugin through DBus(default enabled)]))
792
        if test "${enable_telepathy}" != "no"; then
793
          VLC_ADD_PLUGIN([telepathy])
794
          VLC_ADD_LIBS([telepathy],[$DBUS_LIBS])
795
          VLC_ADD_CFLAGS([telepathy],[$DBUS_CFLAGS])
796 797
        fi
        dnl Power Management Inhibiter
798
        VLC_ADD_PLUGIN([inhibit])
799 800
        VLC_ADD_LIBS([inhibit],[$DBUS_LIBS])
        VLC_ADD_CFLAGS([inhibit],[$DBUS_CFLAGS])
801
    ],
802
    [AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])]
803 804
  )
fi
Rafaël Carré's avatar
Rafaël Carré committed
805 806
;;
esac
807

Sam Hocevar's avatar
 
Sam Hocevar committed
808
dnl Check for ntohl, etc.
809 810
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
811
AC_CACHE_CHECK([for ntohl in sys/param.h],
812
    [ac_cv_c_ntohl_sys_param_h],
813
    [     AC_TRY_COMPILE([#include <sys/param.h>],
814
        [int meuh; ntohl(meuh);],
815
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
816
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
817
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
818
fi
819
VLC_RESTORE_FLAGS
820 821 822 823 824

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
825

826
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
827
RDC_PROG_CC_FLAGS([-pipe])
828 829 830
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
831

832 833 834 835 836
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
837
    [build with run-time assertions (default disabled)])],,
838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882
  [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}"
])

883
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"], [
884 885 886 887
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
888 889 890 891 892 893 894 895
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
896
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
897 898
])

899

900 901 902 903 904 905 906 907
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
908
dnl Check for various optimization flags
909 910 911 912
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
913 914 915 916
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
917 918 919 920 921 922 923
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
924 925 926 927 928
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
929 930 931 932 933 934 935
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
936
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
937 938
    ])
  ])
939

940
  dnl Check for -ffast-math
941 942 943 944
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
945 946 947 948 949 950 951
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
952
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
Sam Hocevar's avatar
 
Sam Hocevar committed
953

954
  dnl Check for -funroll-loops
955 956 957 958
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
959 960 961 962 963 964 965
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
966
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
967 968 969

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
970 971 972 973
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
Rémi Denis-Courmont's avatar