configure.ac 127 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}"
Pierre Ynard's avatar
Pierre Ynard committed
156
    VLC_ADD_LIBS([motion rotate], [-Wl,-framework,IOKit,-framework,CoreFoundation])
157
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
158
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
159
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,SystemConfiguration])
160

161
    dnl Allow binaries created on Lion to run on earlier releases
162
163
164
165
166
167
    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
168
169
170
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
171

172
    dnl
173
    dnl  Handle Mac OS X SDK flags
174
175
    dnl
    AC_ARG_WITH(macosx-sdk,
176
177
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
178
179
180
181
182
183
184
185
    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 ${with_macosx_sdk}"
    fi
186
    AC_ARG_WITH(macosx-version-min,
187
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
188
189
190
191
192
193
194
195
196
197
198
199
        [compile for Mac OS X VERSION and above])])
    if test "${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
200
    fi
201
    ;;
202
  *mingw32* | *cygwin* | *wince* | *mingwce*)
203
    AC_CHECK_TOOL(WINDRES, windres, :)
204
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
205
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
206
207
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
208
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
209
210
    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
211

212
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
213
      *mingw32*)
gbazin's avatar
   
gbazin committed
214
215
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
216
      *cygwin*)
gbazin's avatar
   
gbazin committed
217
218
219
        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,
220
            [#ifdef _WIN32
gbazin's avatar
   
gbazin committed
221
222
             yes
             #endif],
223
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
gbazin's avatar
   
gbazin committed
224
225
226
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
227
    if test "${SYS}" = "mingw32"; then
228
229
230
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

231
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
damienf's avatar
damienf committed
232
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
233
        VLC_ADD_LIBS([win32text],[-lgdi32])
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
lt_cv_deplibs_check_method=pass_all

403
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
404
405
406
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

407
408
409
dnl
dnl Gettext stuff
dnl
410
AM_GNU_GETTEXT_VERSION([0.18.3])
411
AM_GNU_GETTEXT([external], [need-ngettext])
412

gbazin's avatar
gbazin committed
413
414
415
dnl
dnl Iconv stuff
dnl
416
AM_ICONV
gbazin's avatar
gbazin committed
417

418
419
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
420
AS_IF([test "${SYS}" = "mingw32"], [
421
dnl Check for broken versions of mingw-runtime compatability library
422
    AC_MSG_CHECKING(for broken mingw-runtime)
423
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
424
#include <_mingw.h>
425
426
427
428
429
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
430
431
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
432
    ])], [
433
        AC_MSG_RESULT([ok])
434
    ], [
435
        AC_MSG_RESULT([present])
436
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
437
    ])
438
439
440
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

gbazin's avatar
   
gbazin committed
441
dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
442
    VLC_SAVE_FLAGS
gbazin's avatar
   
gbazin committed
443
    AC_CHECK_LIB(mingwex,opendir,
444
        AC_CHECK_LIB(mingw32,opendir,,
445
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
gbazin's avatar
   
gbazin committed
446
    )
Rafaël Carré's avatar
Rafaël Carré committed
447
    VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
448

gbazin's avatar
   
gbazin committed
449
dnl Check for fnative-struct or mms-bitfields support for mingw32
450
451
452
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
gbazin's avatar
   
gbazin committed
453
454
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
455
456
457
458
459
        [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="${CXXFLAGS} -fnative-struct"
460
461
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
462
463
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
464
    fi
465
])
gbazin's avatar
   
gbazin committed
466

467
468
469
470
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

471
vlc_winstore_app=0
472
473
474
475
AS_IF([test "${SYS}" = "mingw32" -a "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
    VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ])
476
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
477
478


479
480
dnl
dnl Buggy glibc prevention. Purposedly not cached.
481
dnl See sourceware.org bugs 5058 and 5443.
482
483
484
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
485
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
486
487
488
489
490
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
491
])], [
492
493
494
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
495
  AS_IF([test "x${enable_nls}" != "xno"], [
496
497
    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
498
glibc run-time. Alternatively, build with --disable-nls.])
499
  ])
500
501
])

Sam Hocevar's avatar
Sam Hocevar committed
502
503
504
505
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

506
dnl Check for system libs needed
507
need_libc=false
508

509
dnl Check for usual libc functions
510
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
511
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])
512
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])
513
514
515
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
516

517
518
519
520
521
522
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;
523
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
524
AC_LINK_IFELSE([
525
526
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
527
528
529
530
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
531
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
532

533
534
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
535
536
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
537
538
539
540
541
542
543
])], [
  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
544
# Windows CE does not have strcoll()
545
546
AC_FUNC_STRCOLL

547
dnl Check for non-standard system calls
548
549
550
551
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
552
553
554
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
555
esac
556

557
558
AH_BOTTOM([#include <vlc_fixups.h>])

559
560
561
562
563
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
564
#elif defined (_WIN32)
565
566
567
568
# include <winsock2.h>
#endif
])

569
dnl Checks for socket stuff
570
VLC_SAVE_FLAGS
571
572
573
574
575
576
577
578
579
580
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"
  ])
])
581
582
583
584
585
586
587

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

588
589
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
590
    AC_LANG_PROGRAM([#ifdef _WIN32
591
592
593
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
594
595
        #include <ws2tcpip.h>
        #else
596
        #include <sys/socket.h>
597
598
599
600
601
        #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])])
602
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
603
VLC_RESTORE_FLAGS
604

605
AS_IF([test -n "$SOCKET_LIBS"], [
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
606
  VLC_ADD_LIBS([access_rtmp access_output_udp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp rtp oldrc netsync gnutls ts audioscrobbler lua remoteosd audiobargraph_a],[${SOCKET_LIBS}])
607
608
])
AC_SUBST(SOCKET_LIBS)
609

610
dnl Check for socklen_t
611
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
612
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
613
614
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
615
[#include <sys/types.h>
616
#ifdef _WIN32
617
# include <winsock2.h>
618
# include <ws2tcpip.h>
619
620
#else
# include <sys/socket.h>
621
622
623
624
625
#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)])
626

627
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
628
629
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
630
631
632
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
633
     #if defined( _WIN32 )
634
635
636
637
638
639
     # 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)])
640
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
641
642
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
643
])
644

645
646
647
648
649
650
651
652
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
653

Sam Hocevar's avatar
Sam Hocevar committed
654
AC_CHECK_LIB(m,cos,[
655
  VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom noise grain scene lua 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])
656
657
658
  LIBM="-lm"
], [
  LIBM=""
659
])
660
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
661

662
663
664
665
666
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
667
dnl Check for dynamic plugins
668
669
LIBDL=""
have_dynamic_objects="no"
670
VLC_SAVE_FLAGS
671
672
673
674
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
675
  have_dynamic_objects="yes"
676
])
677
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
678

679
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
680
AS_IF([test "${SYS}" = "mingw32"], [
681
  LIBDL=""
682
  have_dynamic_objects="yes" #assume we can use shared objects
683
])
684

685
686
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
687
])
Rafaël Carré's avatar
Rafaël Carré committed
688
689
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

690
AC_SUBST(LIBDL)
691
VLC_ADD_LIBS([lua],[$LIBDL])
Sam Hocevar's avatar
Sam Hocevar committed
692

693
dnl Check for thread library
694
695
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
696
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
697
698
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
699
700
701
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
702
703
  ])
  VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
704

705
706
707
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
708
709
710
711
712
713
714
715
716
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
717
718
719
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
720
721
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
722

Sam Hocevar's avatar
   
Sam Hocevar committed
723
dnl Check for headers
724
AC_CHECK_HEADERS([search.h])
725
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
726
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
727
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
728
729
AC_CHECK_HEADERS([net/if.h], [], [],
  [
730
    #include <sys/types.h>
731
    #include <sys/socket.h>
732
  ])
733
734
735
736
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
737

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
738
if test "${SYS}" != "mingw32"; then
739
740
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
741
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
742
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
743

744
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
745
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
746
747
748
749
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
   
Sam Hocevar committed
750
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
751
if test "${SYS}" != "mingw32"; then
752
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
753
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
754

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
755
756
757
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.
758
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
759
AC_ARG_VAR(PKG_CONFIG_PATH,
760
       [Paths where to find .pc not at the default location])
761
762
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
763
dnl On some OS we need static linking
764
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
765
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
766
767
768
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
769
770


771
772
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
773
dnl
774
775
776
777
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
778
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
779
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
780
    AC_CHECK_HEADERS([unzip.h], [
781
782
783
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
784
785
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/access/libunzip.la])
786
787
788
789
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
790
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
791
fi
792
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
793
794


795
796
797
798
799
800
801
802
803
804
805
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"
])


806
807
dnl Check for dbus
AC_ARG_ENABLE(dbus,
808
809
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
810
811
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
812
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
813
814
815
816
817
818
819
820
821
822
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
823

Sam Hocevar's avatar
   
Sam Hocevar committed
824
dnl Check for ntohl, etc.
825
826
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
827
AC_CACHE_CHECK([for ntohl in sys/param.h],
828
    [ac_cv_c_ntohl_sys_param_h],
829
    [     AC_TRY_COMPILE([#include <sys/param.h>],
830
        [int meuh; ntohl(meuh);],
831
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
832
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
833
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
834
fi
835
VLC_RESTORE_FLAGS
836
837
838
839
840

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
841

842
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
843
RDC_PROG_CC_FLAGS([-pipe])
844
845
846
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
847

848
849
850
851
852
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
853
    [build with run-time assertions (default disabled)])],,
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
897
898
  [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}"
])

899
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
900
901
902
903
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
904
905
906
907
908
909
910
911
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
912
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
913
914
])

915

916
917
918
919
920
921
922
923
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
924
dnl Check for various optimization flags
925
926
927
928
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
929
930
931
932
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
933
934
935
936
937
938
939
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
940
941
942
943
944
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
945
946
947
948
949
950
951
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
952
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
953
954
    ])
  ])
955

956
  dnl Check for -ffast-math
957
958
959
960
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
961
962
963
964
965
966
967
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
968
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
969
970
971
972
973
974
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
975

976
  dnl Check for -funroll-loops
977
978
979
980
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
981
982
983
984
985
986
987
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
988
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
989
990
991

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
992
993
994
995
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
996
997
998
999
1000
1001
1002
1003
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
1004
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
1005
1006
  ])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1007

1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
VLC_SAVE_FLAGS
LDFLAGS="${LDFLAGS} -Wl,-Bsymbolic"
AC_CACHE_CHECK([if linker supports -Bsymbolic], [ac_cv_ld_bsymbolic], [
  AC_TRY_LINK([],, [
    ac_cv_ld_bsymbolic="-Wl,-Bsymbolic"
  ], [
    ac_cv_ld_bsymbolic=""
  ])
])
VLC_RESTORE_FLAGS
SYMBOLIC_LDFLAGS="${ac_cv_ld_bsymbolic}"
AC_SUBST(SYMBOLIC_LDFLAGS)

Sam Hocevar's avatar
   
Sam Hocevar committed
1021
dnl Check for Darwin plugin linking flags
1022
AS_IF([test "${SYS}" = "darwin"], [
1023
1024
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -bundle -undefined error"
1025
1026
1027
1028
1029
1030
1031
1032
1033
  AC_CACHE_CHECK([if $CC accepts -bundle -undefined error],
    [ac_cv_ld_darwin], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_ld_darwin=yes
    ], [
      ac_cv_ld_darwin=no
    ])
  ])
  AS_IF([test "${ac_cv_ld_darwin}" != "no"], [
1034
    VLC_ADD_LDFLAGS([plugin],[-bundle -undefined error])
1035
  ])
1036
  VLC_RESTORE_FLAGS
1037
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1038

1039
dnl Checks for __attribute__(aligned()) directive
1040
1041
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Werror"
1042
AC_CACHE_CHECK([__attribute__ ((aligned ())) support],
1043
1044
1045
1046
1047
1048
    [ac_cv_c_attribute_aligned],
    [ac_cv_c_attribute_aligned=0
    for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
        AC_TRY_COMPILE([],
        [static char c __attribute__ ((aligned(${ac_cv_c_attr_align_try}))) = 0; return c;],
        [ac_cv_c_attribute_aligned="${ac_cv_c_attr_align_try}"])
1049
1050
    done])
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
1051
if test "${ac_cv_c_attribute_aligned}" != "0"; then
1052
1053
    AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX],
        [${ac_cv_c_attribute_aligned}],[Maximum supported data alignment])
1054
1055
fi

1056
dnl Check for __attribute__((packed))
1057
1058
1059
AC_CACHE_CHECK([for __attribute__((packed))],
  [ac_cv_c_attribute_packed],
  [ac_cv_c_attribute_packed=no
1060
   AC_TRY_COMPILE(, [struct __attribute__((__packed__)) foo { int a; } b; (void)b;],
1061
                    [ac_cv_c_attribute_packed=yes])])
1062
if test "${ac_cv_c_attribute_packed}" != "no"; then
1063
1064
1065
  AC_DEFINE(HAVE_ATTRIBUTE_PACKED, 1, Support for __attribute__((packed)) for structs)
fi

Sam Hocevar's avatar
   
Sam Hocevar committed
1066
1067
1068
dnl
dnl  Check the CPU
dnl
1069
case "${host_cpu}" in
Sam Hocevar's avatar
Sam Hocevar committed
1070
  "")
1071
1072
1073
    ARCH=unknown
    ;;
  *)
1074
    ARCH="${host_cpu}"
1075
1076
1077
    ;;
esac

1078
1079
1080
1081
dnl Check for backtrace() support
AC_CHECK_HEADERS(execinfo.h)
AC_CHECK_FUNCS(backtrace)

Sam Hocevar's avatar
   
Sam Hocevar committed
1082
1083
1084
dnl
dnl  default modules
dnl
1085
ALIASES="${ALIASES} cvlc rvlc"
gbazin's avatar
   
gbazin committed
1086

Sam Hocevar's avatar
   
Sam Hocevar committed
1087
1088
1089
dnl
dnl  Accelerated modules
dnl
1090
1091

dnl  Check for fully working MMX intrinsics
1092
1093
dnl  We need support for -mmmx, we need <mmintrin.h>, and we also need a
dnl  working compiler (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23963)
1094
AC_ARG_ENABLE(mmx,
1095
1096
  [AS_HELP_STRING([--disable-mmx],
    [disable MMX optimizations (default auto)])],,[
1097
1098
1099
1100
1101
1102
1103
1104
1105
  case "${host_cpu}" in
    i?86|x86_64)
      enable_mmx="yes"
      ;;
    *)
      enable_mmx="no"
      ;;
  esac
])
1106
have_mmx="no"
1107
have_mmxext="no"
1108
1109
AS_IF([test "${enable_mmx}" != "no"], [
  ARCH="${ARCH} mmx"
1110
  VLC_SAVE_FLAGS
1111
  CFLAGS="${CFLAGS} -mmmx"
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
  AC_CACHE_CHECK([if $CC groks MMX intrinsics], [ac_cv_c_mmx_intrinsics], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <mmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m64 a, b, c;
a = b = c = (__m64)frobzor;
a = _mm_slli_pi16(a, 3);
a = _mm_adds_pi16(a, b);
c = _mm_srli_pi16(c, 8);
c = _mm_slli_pi16(c, 3);
b = _mm_adds_pi16(b, c);
a = _mm_unpacklo_pi8(a, b);
frobzor = (uint64_t)a;]])], [
      ac_cv_c_mmx_intrinsics=yes
    ], [
      ac_cv_c_mmx_intrinsics=no
    ])
  ])
1131
  VLC_RESTORE_FLAGS
1132
  AS_IF([test "${ac_cv_c_mmx_intrinsics}" != "no"], [
1133
    AC_DEFINE(HAVE_MMX_INTRINSICS, 1, [Define to 1 if MMX intrinsics are available.])
1134
1135
  ])

1136
1137
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -mmmx"