configure.ac 125 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

5
6
7
AC_INIT(vlc, 2.1.0-git)
VERSION_MAJOR=2
VERSION_MINOR=1
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"
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"
impulze's avatar
impulze committed
109
    VLC_ADD_LIBS([vcd cdda vcdx],[-ldvd])
110
    ;;
111
112
  freebsd*)
    SYS=freebsd
113
    CFLAGS="${CFLAGS} -pthread"
114
115
116
117
118
119
120
121
122
123
124
125
126
    CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
    LDFLAGS="${LDFLAGS} -L/usr/local/lib"
    ;;
  openbsd*)
    SYS=openbsd
    CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/X11R6/include"
    LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/X11R6/lib/"
    ;;
  netbsd*)
    SYS=netbsd
    ;;
  dragonfly*)
    SYS=dragonfly
127
    ;;
128
  darwin*)
129
130
131
132

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
133
      i?86*)
134
135
136
137
138
139
140
141
142
143
144
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
145
146
      arm*)
        ac_cv_c_bigendian="no"
147
        ac_cv_c_attribute_packed="no"
148
      ;;
149
150
    esac

151
    SYS=darwin
152
153
154
155
156
    CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
    CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
    CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
    OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu99 ${ARCH_flag}"
    LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
Pierre Ynard's avatar
Pierre Ynard committed
157
    VLC_ADD_LIBS([motion rotate], [-Wl,-framework,IOKit,-framework,CoreFoundation])
158
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
159
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x264 x26410b],[-Wl,-read_only_relocs,suppress])
Pierre Ynard's avatar
Pierre Ynard committed
160
    VLC_ADD_CFLAGS([motion rotate],[-fconstant-cfstrings])
161
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation])
162

163
    dnl Allow binaries created on Lion to run on earlier releases
164
165
166
167
168
169
    AC_EGREP_CPP(yes,
           [#import <Cocoa/Cocoa.h>
            #ifdef MAC_OS_X_VERSION_10_7
            yes
            #endif],
            [AC_MSG_RESULT([yes])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
170
171
172
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
173

174
    dnl
175
    dnl  Handle Mac OS X SDK flags
176
177
    dnl
    AC_ARG_WITH(macosx-sdk,
178
179
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
180
181
182
183
184
185
186
187
    if test "${with_macosx_sdk}" != "" ; then
        test ! -d "${with_macosx_sdk}" && AC_MSG_ERROR([SDK "${with_macosx_sdk}" not found])
        CPP="${CPP} -isysroot ${with_macosx_sdk}"
        CC="${CC} -isysroot ${with_macosx_sdk}"
        CXX="${CXX} -isysroot ${with_macosx_sdk}"
        OBJC="${OBJC} -isysroot ${with_macosx_sdk}"
        LD="${LD} -syslibroot ${with_macosx_sdk}"
    fi
188
    AC_ARG_WITH(macosx-version-min,
189
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
190
191
192
193
194
195
196
197
198
199
200
201
        [compile for Mac OS X VERSION and above])])
    if test "${with_macosx_version_min}" != "" ; then
        MACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}
        CPP="${CPP} -mmacosx-version-min=${with_macosx_version_min}"
        CC="${CC} -mmacosx-version-min=${with_macosx_version_min}"
        CXX="${CXX} -mmacosx-version-min=${with_macosx_version_min}"
        OBJC="${OBJC} -mmacosx-version-min=${with_macosx_version_min}"
        LD="${LD} -mmacosx_version_min=${with_macosx_version_min}"
        CFLAGS="${CFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        CXXFLAGS="${CXXFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        OBJCFLAGS="${OBJCFLAGS} -DMACOSX_DEPLOYMENT_TARGET=${with_macosx_version_min}"
        export MACOSX_DEPLOYMENT_TARGET
202
    fi
203
    ;;
204
  *mingw32* | *cygwin* | *wince* | *mingwce*)
205
    AC_CHECK_TOOL(WINDRES, windres, :)
206
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
207
208
209
    AH_TOP([#if defined(WIN32) && !defined(_WIN32_WINNT)])
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
210
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
211
212
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
gbazin's avatar
   
gbazin committed
213

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

Sam Hocevar's avatar
Sam Hocevar committed
229
    if test "${SYS}" = "mingw32"; then
230
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
damienf's avatar
damienf committed
231
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
232
        VLC_ADD_LIBS([win32text],[-lgdi32])
233
        VLC_ADD_LIBS([vcdx],[-lwinmm])
234
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
235
236
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
237
238

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
239
        dnl NSIS/MSI Installer prefix and WIN64
240
241
        dnl
        case "${host}" in
242
            amd64*|x86_64*)
243
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
244
                WINDOWS_ARCH="x64"
245
246
247
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
248
                WINDOWS_ARCH="x86"
249
250
251
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
252
        AC_SUBST(WINDOWS_ARCH)
253
254
        AC_SUBST(PROGRAMFILES)

gbazin's avatar
   
gbazin committed
255
    fi
256
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
257
  *nto*)
258
259
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
260
  solaris*)
261
262
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
263
  hpux*)
264
265
    SYS=hpux
    ;;
266
267
268
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
269
270
  *os2*)
    SYS=os2
271
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild"
KO Myung-Hun's avatar
KO Myung-Hun committed
272
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
273
  *)
274
    SYS="${host_os}"
275
    ;;
gbazin's avatar
   
gbazin committed
276
esac
ivoire's avatar
ivoire committed
277
278
279
280
281
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 "${HAVE_WIN64}" = "1")
282
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
283

284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
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")


313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
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
334
335
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
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
377
378
379
380
381
382
        ])
      ])
    ])
  ])
], [
  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)

383
dnl
384
385
386
387
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
damienf's avatar
damienf committed
388
389
390
391

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
392
393
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
damienf's avatar
damienf committed
394

395
396
397
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
398

Luca Barbato's avatar
Luca Barbato committed
399
400
DOLT

damienf's avatar
damienf committed
401
402
403
404
405
m4_undefine([AC_DEPLIBS_CHECK_METHOD])
m4_defun([AC_DEPLIBS_CHECK_METHOD],[])

lt_cv_deplibs_check_method=pass_all

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

410
411
412
dnl
dnl Gettext stuff
dnl
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
413
AM_GNU_GETTEXT_VERSION([0.18.1])
414
AM_GNU_GETTEXT([external], [need-ngettext])
415

gbazin's avatar
gbazin committed
416
417
418
dnl
dnl Iconv stuff
dnl
419
AM_ICONV
gbazin's avatar
gbazin committed
420

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

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

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

470
471
472
473
474
475
476
477
478
479
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

AS_IF([test "${SYS}" = "mingw32"], [
    AS_IF([test "${enable_winstore_app}" == "yes"], [
       AC_DEFINE(WINAPI_FAMILY_APP, 1, [Define if you want to build for Windows Store apps])])
    ])


480
481
dnl
dnl Buggy glibc prevention. Purposedly not cached.
482
dnl See sourceware.org bugs 5058 and 5443.
483
484
485
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
486
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
487
488
489
490
491
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
492
])], [
493
494
495
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
496
  AS_IF([test "x${enable_nls}" != "xno"], [
497
498
    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
499
glibc run-time. Alternatively, build with --disable-nls.])
500
  ])
501
502
])

Sam Hocevar's avatar
Sam Hocevar committed
503
504
505
506
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

507
dnl Check for system libs needed
508
need_libc=false
509

510
dnl Check for usual libc functions
511
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
512
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])
513
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])
514
515
516
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
517

518
519
520
521
522
523
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;
524
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
525
AC_LINK_IFELSE([
526
527
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
528
529
530
531
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
532
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
533

534
535
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
536
537
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
538
539
540
541
542
543
544
])], [
  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
545
# Windows CE does not have strcoll()
546
547
AC_FUNC_STRCOLL

548
dnl Check for non-standard system calls
549
550
551
552
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
553
554
555
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
556
esac
557

558
559
AH_BOTTOM([#include <vlc_fixups.h>])

560
561
562
563
564
565
566
567
568
569
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
])

570
dnl Checks for socket stuff
571
VLC_SAVE_FLAGS
572
573
574
575
576
577
578
579
580
581
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"
  ])
])
582
583
584
585
586
587
588

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

589
590
591
592
593
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
    AC_LANG_PROGRAM([#ifdef WIN32
        #include <ws2tcpip.h>
        #else
594
        #include <sys/socket.h>
595
596
597
598
599
        #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])])
600
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
601
VLC_RESTORE_FLAGS
602

603
AS_IF([test -n "$SOCKET_LIBS"], [
604
  VLC_ADD_LIBS([access_http access_udp access_tcp access_ftp access_rtmp access_output_udp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp rtp oldrc netsync gnutls ts audioscrobbler lua remoteosd zvbi audiobargraph_a],[${SOCKET_LIBS}])
605
606
])
AC_SUBST(SOCKET_LIBS)
607

608
dnl Check for socklen_t
609
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
610
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
611
612
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
613
614
[#include <sys/types.h>
#ifdef WIN32
615
# include <winsock2.h>
616
# include <ws2tcpip.h>
617
618
#else
# include <sys/socket.h>
619
620
621
622
623
#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)])
624

625
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
626
627
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
628
629
630
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
631
     #if defined( WIN32 )
632
633
634
635
636
637
     # 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)])
638
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
639
640
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
641
])
642

643
644
645
646
647
648
649
650
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
651

Sam Hocevar's avatar
Sam Hocevar committed
652
AC_CHECK_LIB(m,cos,[
653
  VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom panoramix rotate noise grain scene kate lua chorus_flanger freetype avcodec access_avio swscale postproc i420_rgb faad twolame equalizer spatializer param_eq samplerate freetype mpc dmo quicktime qt4 compressor headphone_channel_mixer normvol audiobargraph_a speex opus mono colorthres extract ball access_imem hotkeys mosaic gaussianblur x26410b hqdn3d anaglyph oldrc ncurses],[-lm])
654
655
656
  LIBM="-lm"
], [
  LIBM=""
657
])
658
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
659

660
661
662
663
664
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
665
dnl Check for dynamic plugins
666
667
LIBDL=""
have_dynamic_objects="no"
668
VLC_SAVE_FLAGS
669
670
671
672
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
673
  have_dynamic_objects="yes"
674
])
675
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
676

677
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
678
AS_IF([test "${SYS}" = "mingw32"], [
679
  LIBDL=""
680
  have_dynamic_objects="yes" #assume we can use shared objects
681
])
682

683
684
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
685
])
Rafaël Carré's avatar
Rafaël Carré committed
686
687
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

688
AC_SUBST(LIBDL)
689
VLC_ADD_LIBS([lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
690

691
dnl Check for thread library
692
693
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
694
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
695
696
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
697
698
699
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
700
701
  ])
  VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
702

703
704
705
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
706
707
708
709
710
711
712
713
714
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
715
716
717
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
718
719
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
720

Sam Hocevar's avatar
   
Sam Hocevar committed
721
dnl Check for headers
722
AC_CHECK_HEADERS([search.h])
723
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
724
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
725
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
726
727
AC_CHECK_HEADERS([net/if.h], [], [],
  [
728
    #include <sys/types.h>
729
    #include <sys/socket.h>
730
  ])
731
732
733
734
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
735

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
736
if test "${SYS}" != "mingw32"; then
737
738
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
739
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
740
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
741

742
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
743
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
744
745
746
747
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
   
Sam Hocevar committed
748
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
749
if test "${SYS}" != "mingw32"; then
750
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
751
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
752

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
753
754
755
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.
756
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
757
AC_ARG_VAR(PKG_CONFIG_PATH,
758
       [Paths where to find .pc not at the default location])
759
760
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
761
dnl On some OS we need static linking
762
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
763
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
764
765
766
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
767
768


769
770
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
771
dnl
772
773
774
775
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
776
  VLC_ADD_LIBS([access_http skins2 sap unzip zip],[-lz])
777
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
778
    AC_CHECK_HEADERS([unzip.h], [
779
780
781
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
782
783
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/access/libunzip.la])
784
785
786
787
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
788
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
789
fi
790
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
791
792


793
794
795
796
797
798
799
800
801
802
803
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"
])


804
805
dnl Check for dbus
AC_ARG_ENABLE(dbus,
806
807
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
808
809
810
811
812
813
814
815
816
817
818
819
820
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.0.0], [
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
821

Sam Hocevar's avatar
   
Sam Hocevar committed
822
dnl Check for ntohl, etc.
823
824
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
825
AC_CACHE_CHECK([for ntohl in sys/param.h],
826
    [ac_cv_c_ntohl_sys_param_h],
827
    [     AC_TRY_COMPILE([#include <sys/param.h>],
828
        [int meuh; ntohl(meuh);],
829
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
830
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
831
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
832
fi
833
VLC_RESTORE_FLAGS
834
835
836
837
838

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
839

840
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
841
RDC_PROG_CC_FLAGS([-pipe])
842
843
844
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
845

846
847
848
849
850
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
851
    [build with run-time assertions (default disabled)])],,
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
892
893
894
895
896
  [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}"
])

897
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
898
899
900
901
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
902
903
904
905
906
907
908
909
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
910
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
911
912
])

913

914
915
916
917
918
919
920
921
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
922
dnl Check for various optimization flags
923
924
925
926
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
927
928
929
930
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
931
932
933
934
935
936
937
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
938
939
940
941
942
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
943
944
945
946
947
948
949
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
950
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
951
952
    ])
  ])
953

954
  dnl Check for -ffast-math
955
956
957
958
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
959
960
961
962
963
964
965
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
966
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
967
968
969
970
971
972
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
973

974
  dnl Check for -funroll-loops
975
976
977
978
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
979
980
981
982
983
984
985
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
986
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
987
988
989

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
990
991
992
993
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
994
995
996
997
998
999
1000
    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
      ])
For faster browsing, not all history is shown. View entire blame