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
    dnl Allow binaries created on Lion to run on earlier releases
    AC_LIBOBJ([getdelim])

158 159 160 161
    dnl
    dnl  Check for Mac OS X SDK settings
    dnl
    AC_ARG_WITH(macosx-sdk,
162 163
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
164
    test "${with_macosx_sdk}" = "" && with_macosx_sdk=/Developer/SDKs/MacOSX10.6.sdk
165
    ! test -d "${with_macosx_sdk}" && AC_MSG_ERROR([SDK "${with_macosx_sdk}" not found])
166
    AC_ARG_WITH(macosx-version-min,
167 168
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
        [compile for MacOS X VERSION and above])])
169 170
    if test "${with_macosx_version_min}" = "" ; then
       with_macosx_version_min=10.5
171
    fi
172 173 174 175 176 177 178 179 180 181
    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
182
    ;;
183
  *mingw32* | *cygwin* | *wince* | *mingwce*)
184
    AC_CHECK_TOOL(WINDRES, windres, :)
185
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
186 187
    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
188

189
    case "${host_os}" in
190
      *wince* | *mingwce* | *mingw32ce*)
Sam Hocevar's avatar
Sam Hocevar committed
191
        SYS=mingwce
192
        dnl Sadly CeGCC still needs non-wince macros
Sam Hocevar's avatar
Sam Hocevar committed
193
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
194
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
195 196
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
197
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
198 199 200 201 202 203
        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],
204
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
205 206 207
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
208
    if test "${SYS}" = "mingw32"; then
209
        VLC_ADD_LIBS([libvlccore],[-lnetapi32 -lwinmm])
210
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
211
        VLC_ADD_LIBS([win32text],[-lgdi32])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
212
        VLC_ADD_LIBS([cdda vcdx sdl_image vout_sdl],[-lwinmm])
213
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
214 215
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
216 217

        dnl
218
        dnl NSIS Installer prefix and WIN64
219 220
        dnl
        case "${host}" in
221
            amd64*|x86_64*)
222
                HAVE_WIN64="1"
223 224 225 226 227 228 229 230
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
231
    fi
232
    if test "${SYS}" = "mingwce"; then
233
        VLC_ADD_LIBS([libvlccore],[-lmmtimer])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
234
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
235 236
        ac_default_prefix="`pwd`/_wince"
        DESTDIR="`pwd`/_wince/"
237
    fi
238
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
239
  *nto*)
240 241
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
242
  solaris*)
243 244
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
245
  hpux*)
246 247
    SYS=hpux
    ;;
248 249 250
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
251 252
  *os2*)
    SYS=os2
253
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
254
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
255
  *)
256
    SYS="${host_os}"
257
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
258
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
259 260 261 262 263 264
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")
265
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
266

267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
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
288 289
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
        ])
      ])
    ])
  ])
], [
  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)

337
dnl
Rafaël Carré's avatar
Rafaël Carré committed
338
dnl Sadly autoconf does not think about testing foo.exe when ask to test
339 340 341 342 343
dnl for program foo on win32

case "${build_os}" in
    cygwin|msys)
        ac_executable_extensions=".exe"
344
    ;;
345
    *)
346
    ;;
347 348
esac

349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365
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")

366
dnl
367 368 369 370
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
371 372 373 374

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
375 376
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
377

378 379 380
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
381

382 383 384 385 386
m4_undefine([AC_DEPLIBS_CHECK_METHOD])
m4_defun([AC_DEPLIBS_CHECK_METHOD],[])

lt_cv_deplibs_check_method=pass_all

387
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
388 389 390
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

391 392 393
dnl
dnl Gettext stuff
dnl
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
394
AM_GNU_GETTEXT_VERSION([0.18.1])
395
AM_GNU_GETTEXT([external])
396

397 398 399
dnl
dnl Iconv stuff
dnl
400
AM_ICONV
401

402
dnl Check for broken versions of mingw-runtime compatability library
403
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
404
    AC_MSG_CHECKING(for broken mingw-runtime)
405
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
406
#include <_mingw.h>
407
#if (__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 15)
408
#ifndef __MINGW64_VERSION_MAJOR
409
# error Attempting to use mingw-runtime with broken vsnprintf support
410
#endif
411
#endif
412
    ])], [
413
        AC_MSG_RESULT([ok])
414
    ], [
415
        AC_MSG_RESULT([present])
416
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher!])
417
    ])
418 419
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"
420
])
421

Gildas Bazin's avatar
 
Gildas Bazin committed
422
dnl Check for the need to include the mingwex lib for mingw32
423
if test "${SYS}" = "mingw32" ; then
Gildas Bazin's avatar
 
Gildas Bazin committed
424
    AC_CHECK_LIB(mingwex,opendir,
425
        AC_CHECK_LIB(mingw32,opendir,,
426
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
427 428 429
    )
fi

Gildas Bazin's avatar
 
Gildas Bazin committed
430
dnl Check for fnative-struct or mms-bitfields support for mingw32
431
if test "${SYS}" = "mingw32" ; then
432 433 434
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
435 436
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
437 438 439 440 441
        [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="${CXXFLAGS} -fnative-struct"
442 443
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
444 445
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
446
    fi
Gildas Bazin's avatar
 
Gildas Bazin committed
447 448
fi

449 450
dnl
dnl Buggy glibc prevention. Purposedly not cached.
451
dnl See sourceware.org bugs 5058 and 5443.
452 453 454
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
455
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
456 457 458 459 460
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
461
])], [
462 463 464
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
465
  AS_IF([test "x${enable_nls}" != "xno"], [
466 467
    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
468
glibc run-time. Alternatively, build with --disable-nls.])
469
  ])
470 471
])

Sam Hocevar's avatar
Sam Hocevar committed
472 473 474 475
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

476
dnl Check for system libs needed
477
need_libc=false
478

479
dnl Check for usual libc functions
480
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
481
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])
482
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])
483 484 485
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
486

487 488 489 490 491 492
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;
493
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
494 495 496 497 498 499
AC_LINK_IFELSE([
    AC_LANG_PROGRAM([#include <stdio.h>], [
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
500
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
501

Rafaël Carré's avatar
Rafaël Carré committed
502
# Windows CE does not have strcoll()
503 504
AC_FUNC_STRCOLL

505
dnl Check for non-standard system calls
506
AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
507

508 509
AH_BOTTOM([#include <vlc_fixups.h>])

510 511 512 513
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
514
  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" -a "${SYS}" != "os2"], [
515
    AC_MSG_ERROR([poll() is required.])
Sam Hocevar's avatar
Sam Hocevar committed
516 517
  ])
])
518

519 520 521 522 523 524 525 526 527 528 529
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
530
VLC_SAVE_FLAGS
531 532 533 534 535 536 537 538 539 540 541 542 543
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"
  ])
])
544
VLC_RESTORE_FLAGS
545
AS_IF([test -n "$SOCKET_LIBS"], [
546
  VLC_ADD_LIBS([access_http access_mms access_udp access_tcp access_ftp access_rtmp access_output_udp access_output_shout sap stream_out_select stream_out_standard stream_out_rtp stream_out_raop vod_rtsp access_realrtsp rtp oldrc netsync gnutls flac ts audioscrobbler lua remoteosd zvbi audiobargraph_a netsync],[${SOCKET_LIBS}])
547 548
])
AC_SUBST(SOCKET_LIBS)
549

550
dnl Check for socklen_t
551
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
552
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
553 554
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
555 556
[#include <sys/types.h>
#ifdef WIN32
557
# include <winsock2.h>
558
# include <ws2tcpip.h>
559 560
#else
# include <sys/socket.h>
561 562 563 564 565
#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)])
566

567
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
568 569
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
570 571 572 573
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
     #if defined( UNDER_CE )
574
     # include <winsock2.h>
575 576 577 578 579 580 581
     #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)])
582
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
583 584
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
585
])
586

587
dnl getaddrinfo, getnameinfo and gai_strerror check
588
dnl  -lnsl and -lsocket are needed on Solaris;
589
dnl  we purposedly make the test fail on Windows
590
VLC_SAVE_FLAGS
591
AC_SEARCH_LIBS([getaddrinfo], [nsl],,, [${SOCKET_LIBS}])
592
VLC_RESTORE_FLAGS
593

594 595 596 597 598 599 600 601
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
602

Sam Hocevar's avatar
Sam Hocevar committed
603
AC_CHECK_LIB(m,cos,[
604
  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 mp4 quicktime realvideo qt4 compressor headphone_channel_mixer normvol audiobargraph_a speex mono colorthres extract ball access_imem hotkeys mosaic gaussianblur dbus x264 hqdn3d],[-lm])
605 606 607
  LIBM="-lm"
], [
  LIBM=""
608
])
609
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
610

611 612 613 614 615
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
616
dnl Check for dynamic plugins
617 618
LIBDL=""
have_dynamic_objects="no"
619
VLC_SAVE_FLAGS
620 621 622 623
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
624
  have_dynamic_objects="yes"
625
])
626
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
627

628 629 630
# Windows
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
  LIBDL=""
631
  have_dynamic_objects="yes" #assume we can use shared objects
632
])
633

Rafaël Carré's avatar
Rafaël Carré committed
634 635 636
test "${enable_shared}" = "no" && have_dynamic_objects=no

AS_IF([test "${have_dynamic_objects}" != "no"], [
637 638 639 640 641 642
  AC_DEFINE(HAVE_DYNAMIC_PLUGINS, 1,
            [Define to 1 if dynamic plugins are supported.])
], [
  dnl Clear $LIBDL so as not to break linking
  LIBDL=""
])
Rafaël Carré's avatar
Rafaël Carré committed
643 644
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

645
AC_SUBST(LIBDL)
646
VLC_ADD_LIBS([realvideo lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
647

648
dnl Check for thread library
649
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
Rafaël Carré's avatar
Rafaël Carré committed
650

Rafaël Carré's avatar
Rafaël Carré committed
651
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
652 653 654
  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
655 656
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
657

658 659 660
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
661 662 663 664 665 666 667 668 669
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
670 671 672
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
673
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Gildas Bazin's avatar
 
Gildas Bazin committed
674

Sam Hocevar's avatar
 
Sam Hocevar committed
675
dnl Check for misc headers
676
AC_MSG_CHECKING(for strncasecmp in strings.h)
Sam Hocevar's avatar
 
Sam Hocevar committed
677
AC_EGREP_HEADER(strncasecmp,strings.h,[
678
  AC_MSG_RESULT(yes)
679
  AC_DEFINE(STRNCASECMP_IN_STRINGS_H, 1,
680 681
            Define if <strings.h> defines strncasecmp.)],[
  AC_MSG_RESULT(no)])
Sam Hocevar's avatar
 
Sam Hocevar committed
682

Sam Hocevar's avatar
 
Sam Hocevar committed
683
dnl Check for headers
684
AC_CHECK_HEADERS([search.h])
685
AC_CHECK_HEADERS(getopt.h strings.h locale.h xlocale.h)
686
AC_CHECK_HEADERS(fcntl.h sys/time.h sys/ioctl.h sys/stat.h)
687
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
688 689
AC_CHECK_HEADERS([net/if.h], [], [],
  [
690
    #include <sys/types.h>
691
    #include <sys/socket.h>
692
  ])
693 694 695 696
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
697

698
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
699 700 701
  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)
702
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
703

704
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
705
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
706 707 708 709
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
 
Sam Hocevar committed
710
dnl Check for threads library
711
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
712
  AC_CHECK_HEADERS(pthread.h)
713
fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
Sam Hocevar's avatar
 
Sam Hocevar committed
714

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
715 716 717
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.
718
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
719
AC_ARG_VAR(PKG_CONFIG_PATH,
720
       [Paths where to find .pc not at the default location])
721 722
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
723
dnl On some OS we need static linking
724
AS_IF([test -n "${PKG_CONFIG}" ],[
KO Myung-Hun's avatar
KO Myung-Hun committed
725
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
726 727 728
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
729 730


731 732
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
733
dnl
734 735 736 737
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
738
  VLC_ADD_LIBS([access_http mp4 skins2 sap mkv unzip zip],[-lz])
739
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
740
    AC_CHECK_HEADERS([unzip.h], [
741 742 743 744
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
      have_minizip=no
745 746
      MINIZIP_CFLAGS="-I\\\${top_srcdir}/modules/access/zip/unzip"
      MINIZIP_LIBS="\\\${top_builddir}/modules/access/zip/unzip/libunzip.la"
747 748 749
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
750
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
751
fi
752
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
753 754


755 756
dnl Manual switch for UTF-8
AC_ARG_ENABLE(non-utf8,
757 758
  [AS_HELP_STRING([--enable-non-utf8],
    [support legacy non-UTF-8 systems (default disabled)])],, [
759
  AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "os2"], [
760 761 762 763 764 765 766 767 768
    enable_non_utf8="no"
  ])
])
AS_IF([test "${enable_non_utf8}" != "no"], [
  AC_DEFINE([ASSUME_UTF8], [1],
            [Define to 1 if the operating system uses UTF-8 internally])
])


769 770
dnl Check for dbus
AC_ARG_ENABLE(dbus,
771 772
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
Rafaël Carré's avatar
Rafaël Carré committed
773 774
case "${SYS}" in
    linux*|*bsd*)
775
if test "${enable_dbus}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
776
then
777
  dnl api stable dbus
778
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.0.0],
779
    [ AC_DEFINE( HAVE_DBUS, 1, [Define if you have the D-BUS library] )
780 781
      VLC_ADD_LIBS([libvlccore],[$DBUS_LIBS])
      VLC_ADD_CFLAGS([libvlccore],[$DBUS_CFLAGS])
782
      dnl Check for dbus control interface
783 784 785
        AC_ARG_ENABLE(dbus-control,
          [AS_HELP_STRING([--disable-dbus-control],
            [D-Bus control interface (default enabled)])])
786
        if test "${enable_dbus_control}" != "no"
787
        then
788
          VLC_ADD_PLUGIN([dbus])
789
          VLC_ADD_LIBS([dbus],[$DBUS_LIBS])
790
          VLC_ADD_CFLAGS([dbus],[$DBUS_CFLAGS])
791 792
        fi
      dnl Check for Telepathy
Christophe Mutricy's avatar
Christophe Mutricy committed
793 794
        AC_ARG_ENABLE(telepathy,
          AS_HELP_STRING([--enable-telepathy],[Telepathy Presence plugin through DBus(default enabled)]))
795
        if test "${enable_telepathy}" != "no"; then
796
          VLC_ADD_PLUGIN([telepathy])
797
          VLC_ADD_LIBS([telepathy],[$DBUS_LIBS])
798
          VLC_ADD_CFLAGS([telepathy],[$DBUS_CFLAGS])
799 800
        fi
        dnl Power Management Inhibiter
801
        VLC_ADD_PLUGIN([inhibit])
802 803
        VLC_ADD_LIBS([inhibit],[$DBUS_LIBS])
        VLC_ADD_CFLAGS([inhibit],[$DBUS_CFLAGS])
804
    ],
805
    [AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])]
806 807
  )
fi
Rafaël Carré's avatar
Rafaël Carré committed
808 809
;;
esac
810

Sam Hocevar's avatar
 
Sam Hocevar committed
811
dnl Check for ntohl, etc.
812 813
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
814
AC_CACHE_CHECK([for ntohl in sys/param.h],
815
    [ac_cv_c_ntohl_sys_param_h],
816
    [     AC_TRY_COMPILE([#include <sys/param.h>],
817
        [int meuh; ntohl(meuh);],
818
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
819
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
820
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
821
fi
822
VLC_RESTORE_FLAGS
823 824 825 826 827

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
828

829
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
830
RDC_PROG_CC_FLAGS([-pipe])
831 832 833
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
834

835 836 837 838 839
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
840
    [build with run-time assertions (default disabled)])],,
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
  [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}"
])

886
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"], [
887 888 889 890
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
891 892 893 894 895 896 897 898
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
899
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
900 901
])

902

903 904 905 906 907 908 909 910
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
911
dnl Check for various optimization flags
912 913 914 915
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
916 917 918 919
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
920 921 922 923 924 925 926
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
927 928 929 930 931
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
932 933 934 935 936 937 938
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
939
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
940 941
    ])
  ])
942

943
  dnl Check for -ffast-math
944 945 946 947
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
948 949 950 951 952 953 954
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
955
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
Sam Hocevar's avatar
 
Sam Hocevar committed
956

957
  dnl Check for -funroll-loops
958 959 960 961
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
962 963 964 965 966 967 968
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
969
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
970 971 972

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer