configure.ac 126 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
impulze's avatar
impulze committed
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

impulze's avatar
impulze committed
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

gbazin's avatar
   
gbazin 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
    ;;
110
111
  freebsd*)
    SYS=freebsd
112
    CFLAGS="${CFLAGS} -pthread"
113
114
115
116
117
118
119
120
121
122
123
124
125
    CPPFLAGS="${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
126
    ;;
127
  darwin*)
128
129
130
131

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
132
      i?86*)
133
134
135
136
137
138
139
140
141
142
143
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
144
145
      arm*)
        ac_cv_c_bigendian="no"
146
        ac_cv_c_attribute_packed="no"
147
      ;;
148
149
    esac

150
    SYS=darwin
151
152
153
154
155
    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}"
156
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
157
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
158
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CFNetwork])
159

160
    dnl Allow binaries created on Lion to run on earlier releases
161
162
163
164
165
166
    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
167
168
169
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
170

171
    dnl
172
    dnl  Handle Mac OS X SDK flags
173
174
    dnl
    AC_ARG_WITH(macosx-sdk,
175
176
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
177
178
179
180
181
182
183
184
    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 ${with_macosx_sdk}"
    fi
185
    AC_ARG_WITH(macosx-version-min,
186
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
187
188
189
190
191
192
193
        [compile for Mac OS X VERSION and above])])
    if test "${with_macosx_version_min}" != "" ; then
        CPP="${CPP} -mmacosx-version-min=${with_macosx_version_min}"
        CC="${CC} -mmacosx-version-min=${with_macosx_version_min}"
        CXX="${CXX} -mmacosx-version-min=${with_macosx_version_min}"
        OBJC="${OBJC} -mmacosx-version-min=${with_macosx_version_min}"
        LD="${LD} -mmacosx_version_min=${with_macosx_version_min}"
194
    fi
195
    ;;
196
  *mingw32* | *cygwin* | *wince* | *mingwce*)
197
    AC_CHECK_TOOL(WINDRES, windres, :)
198
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
199
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
200
201
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
202
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
203
204
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
gbazin's avatar
   
gbazin committed
205

206
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
207
      *mingw32*)
gbazin's avatar
   
gbazin committed
208
209
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
210
      *cygwin*)
gbazin's avatar
   
gbazin committed
211
212
213
        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,
214
            [#ifdef _WIN32
gbazin's avatar
   
gbazin committed
215
216
             yes
             #endif],
217
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
gbazin's avatar
   
gbazin committed
218
219
220
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
221
    if test "${SYS}" = "mingw32"; then
222
223
224
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

225
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
damienf's avatar
damienf committed
226
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
227
        VLC_ADD_LIBS([win32text],[-lgdi32])
228
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
229
230
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
231
232

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
233
        dnl NSIS/MSI Installer prefix and WIN64
234
235
        dnl
        case "${host}" in
236
            amd64*|x86_64*)
237
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
238
                WINDOWS_ARCH="x64"
239
240
241
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
242
                WINDOWS_ARCH="x86"
243
244
245
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
246
        AC_SUBST(WINDOWS_ARCH)
247
248
        AC_SUBST(PROGRAMFILES)

gbazin's avatar
   
gbazin committed
249
    fi
250
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
251
  *nto*)
252
253
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
254
  solaris*)
255
256
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
257
  hpux*)
258
259
    SYS=hpux
    ;;
260
261
262
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
263
264
  *os2*)
    SYS=os2
265
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
266
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
267
  *)
268
    SYS="${host_os}"
269
    ;;
gbazin's avatar
   
gbazin committed
270
esac
ivoire's avatar
ivoire committed
271
272
273
274
275
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 "${HAVE_WIN64}" = "1")
276
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
277

278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
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")


307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
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
328
329
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
        ])
      ])
    ])
  ])
], [
  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)

377
dnl
378
379
380
381
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
damienf's avatar
damienf committed
382
383
384
385

dnl override platform specific check for dependent libraries
dnl otherwise libtool linking of shared libraries will
dnl fail on anything other than pass_all.
damienf's avatar
damienf committed
386
387
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
damienf's avatar
damienf committed
388

389
390
391
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
392

Luca Barbato's avatar
Luca Barbato committed
393
394
DOLT

damienf's avatar
damienf committed
395
396
lt_cv_deplibs_check_method=pass_all

397
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
398
399
400
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

401
402
403
dnl
dnl Gettext stuff
dnl
404
AM_GNU_GETTEXT_VERSION([0.18.3])
405
AM_GNU_GETTEXT([external], [need-ngettext])
406

gbazin's avatar
gbazin committed
407
408
409
dnl
dnl Iconv stuff
dnl
410
AM_ICONV
gbazin's avatar
gbazin committed
411

412
413
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
414
AS_IF([test "${SYS}" = "mingw32"], [
415
dnl Check for broken versions of mingw-runtime compatability library
416
    AC_MSG_CHECKING(for broken mingw-runtime)
417
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
418
#include <_mingw.h>
419
420
421
422
423
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
424
425
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
426
    ])], [
427
        AC_MSG_RESULT([ok])
428
    ], [
429
        AC_MSG_RESULT([present])
430
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
431
    ])
432
433
434
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

gbazin's avatar
   
gbazin committed
435
dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
436
    VLC_SAVE_FLAGS
gbazin's avatar
   
gbazin committed
437
    AC_CHECK_LIB(mingwex,opendir,
438
        AC_CHECK_LIB(mingw32,opendir,,
439
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
gbazin's avatar
   
gbazin committed
440
    )
Rafaël Carré's avatar
Rafaël Carré committed
441
    VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
442

gbazin's avatar
   
gbazin committed
443
dnl Check for fnative-struct or mms-bitfields support for mingw32
444
445
446
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
gbazin's avatar
   
gbazin committed
447
448
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
449
450
451
452
453
        [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="${CXXFLAGS} -fnative-struct"
454
455
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
456
457
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
458
    fi
459
])
gbazin's avatar
   
gbazin committed
460

461
462
463
464
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

465
vlc_winstore_app=0
466
467
468
469
AS_IF([test "${SYS}" = "mingw32" -a "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
    VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ])
470
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
471
472


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

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

VLC_LIBRARY_SUFFIX

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

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

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

527
528
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
529
530
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
531
532
533
534
535
536
537
])], [
  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
538
# Windows CE does not have strcoll()
539
540
AC_FUNC_STRCOLL

541
dnl Check for non-standard system calls
542
543
544
545
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
546
547
548
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
549
esac
550

551
552
AH_BOTTOM([#include <vlc_fixups.h>])

553
554
555
556
557
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
558
#elif defined (_WIN32)
559
560
561
562
# include <winsock2.h>
#endif
])

563
dnl Checks for socket stuff
564
VLC_SAVE_FLAGS
565
566
567
568
569
570
571
572
573
574
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"
  ])
])
575
576
577
578
579
580
581

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

582
583
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
584
    AC_LANG_PROGRAM([#ifdef _WIN32
585
586
587
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
588
589
        #include <ws2tcpip.h>
        #else
590
        #include <sys/socket.h>
591
592
593
594
595
        #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])])
596
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
597
VLC_RESTORE_FLAGS
598

599
AS_IF([test -n "$SOCKET_LIBS"], [
600
  VLC_ADD_LIBS([access_rtmp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp oldrc netsync gnutls ts remoteosd audiobargraph_a],[${SOCKET_LIBS}])
601
602
])
AC_SUBST(SOCKET_LIBS)
603

604
dnl Check for socklen_t
605
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
606
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
607
608
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
609
[#include <sys/types.h>
610
#ifdef _WIN32
611
# include <winsock2.h>
612
# include <ws2tcpip.h>
613
614
#else
# include <sys/socket.h>
615
616
617
618
619
#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)])
620

621
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
622
623
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
624
625
626
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
627
     #if defined( _WIN32 )
628
629
630
631
632
633
     # 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)])
634
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
635
636
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
637
])
638

639
640
641
642
643
644
645
646
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
647

Sam Hocevar's avatar
Sam Hocevar committed
648
AC_CHECK_LIB(m,cos,[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
649
  VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom noise grain scene chorus_flanger freetype swscale postproc equalizer spatializer param_eq samplerate freetype mpc qt4 compressor headphone_channel_mixer normvol audiobargraph_a audiobargraph_v mono colorthres extract ball hotkeys mosaic gaussianblur x262 x26410b hqdn3d anaglyph oldrc ncurses oldmovie glspectrum],[-lm])
650
651
652
  LIBM="-lm"
], [
  LIBM=""
653
])
654
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
655

656
657
658
659
660
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
661
dnl Check for dynamic plugins
662
663
LIBDL=""
have_dynamic_objects="no"
664
VLC_SAVE_FLAGS
665
666
667
668
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
669
  have_dynamic_objects="yes"
670
])
671
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
672

673
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
674
AS_IF([test "${SYS}" = "mingw32"], [
675
  LIBDL=""
676
  have_dynamic_objects="yes" #assume we can use shared objects
677
])
678

679
680
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
681
])
Rafaël Carré's avatar
Rafaël Carré committed
682
683
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

684
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
685

686
dnl Check for thread library
687
688
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
689
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
690
691
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
692
693
694
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
695
696
  ])
  VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
697

698
699
700
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
701
702
703
704
705
706
707
708
709
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
710
711
712
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
713
714
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
715

Sam Hocevar's avatar
   
Sam Hocevar committed
716
dnl Check for headers
717
AC_CHECK_HEADERS([search.h])
718
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
719
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
720
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
721
722
AC_CHECK_HEADERS([net/if.h], [], [],
  [
723
    #include <sys/types.h>
724
    #include <sys/socket.h>
725
  ])
726
727
728
729
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
730

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
731
if test "${SYS}" != "mingw32"; then
732
733
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
734
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
735
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
736

737
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
738
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
739
740
741
742
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
   
Sam Hocevar committed
743
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
744
if test "${SYS}" != "mingw32"; then
745
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
746
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
747

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
748
749
750
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.
751
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
752
AC_ARG_VAR(PKG_CONFIG_PATH,
753
       [Paths where to find .pc not at the default location])
754
755
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
756
dnl On some OS we need static linking
757
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
758
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
759
760
761
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
762
763


764
765
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
766
dnl
767
768
769
770
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
771
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
772
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
773
    AC_CHECK_HEADERS([unzip.h], [
774
775
776
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
777
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
778
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
779
780
781
782
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
783
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
784
fi
785
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
786
787


788
789
790
791
792
793
794
795
796
797
798
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"
])


799
800
dnl Check for dbus
AC_ARG_ENABLE(dbus,
801
802
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
803
804
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
805
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
806
807
808
809
810
811
812
813
814
815
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
816

Sam Hocevar's avatar
   
Sam Hocevar committed
817
dnl Check for ntohl, etc.
818
819
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
820
AC_CACHE_CHECK([for ntohl in sys/param.h],
821
    [ac_cv_c_ntohl_sys_param_h],
822
    [     AC_TRY_COMPILE([#include <sys/param.h>],
823
        [int meuh; ntohl(meuh);],
824
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
825
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
826
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
827
fi
828
VLC_RESTORE_FLAGS
829
830
831
832
833

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
834

835
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
836
RDC_PROG_CC_FLAGS([-pipe])
837
838
839
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
840

841
842
843
844
845
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
846
    [build with run-time assertions (default disabled)])],,
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
886
887
888
889
890
891
  [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}"
])

892
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
893
894
895
896
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
897
898
899
900
901
902
903
904
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
905
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
906
907
])

908

909
910
911
912
913
914
915
916
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
917
dnl Check for various optimization flags
918
919
920
921
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
922
923
924
925
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
926
927
928
929
930
931
932
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
933
934
935
936
937
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
938
939
940
941
942
943
944
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
945
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
946
947
    ])
  ])
948

949
  dnl Check for -ffast-math
950
951
952
953
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
954
955
956
957
958
959
960
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
961
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
962
963
964
965
966
967
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
968

969
  dnl Check for -funroll-loops
970
971
972
973
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
974
975
976
977
978
979
980
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
981
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
982
983
984

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
985
986
987
988
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
989
990
991
992
993
994
995
996
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
997
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
998
999
  ])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1000

For faster browsing, not all history is shown. View entire blame