configure.ac 125 KB
Newer Older
Sam Hocevar's avatar
   
Sam Hocevar committed
1
dnl Autoconf settings for vlc
2

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
3
AC_COPYRIGHT([Copyright 2002-2014 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"
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
17
COPYRIGHT_YEARS="1996-2014"
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
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)
Luca Barbato's avatar
Luca Barbato committed
76
AC_CHECK_PROGS(YASM, yasm)
77

78
79
80
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
81
AC_C_RESTRICT
82

impulze's avatar
impulze committed
83
84
85
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

86
dnl Allow binary package maintainer to pass a custom string to avoid
87
dnl cache problem
88
AC_ARG_WITH(binary-version,
89
90
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
91
AS_IF([test -n "${with_binary_version}"],[
92
93
94
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
95

gbazin's avatar
   
gbazin committed
96
97
98
dnl
dnl  Check the operating system
dnl
99
HAVE_WIN64="0"
Luca Barbato's avatar
Luca Barbato committed
100
101
102
103
104
105
106
107
108
109
110
111

YASMFLAGS=""
case "${host}" in
    i?86*)
    YASMFLAGS="-f elf32"
        ;;
    x86_64*)
    YASMFLAGS="-f elf64"
        ;;
esac


112
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
113
  "")
114
115
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
116
  linux*)
117
118
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
119
  bsdi*)
120
    SYS=bsdi
121
    CFLAGS="${CFLAGS} -pthread"
122
    ;;
123
124
  freebsd*)
    SYS=freebsd
125
    CFLAGS="${CFLAGS} -pthread"
126
127
128
129
130
131
132
133
134
135
136
137
138
    CPPFLAGS="${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
139
    ;;
140
  darwin*)
141
142
143
144

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
145
      i?86*)
146
        ARCH_flag="-arch i386"
Luca Barbato's avatar
Luca Barbato committed
147
        YASMFLAGS="-f macho32"
148
149
150
151
152
153
154
155
156
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
Luca Barbato's avatar
Luca Barbato committed
157
        YASMFLAGS="-f macho64"
158
      ;;
159
160
      arm*)
        ac_cv_c_bigendian="no"
161
        ac_cv_c_attribute_packed="no"
162
      ;;
163
164
    esac

165
    SYS=darwin
166
167
168
169
170
    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}"
171
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
172
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
173
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
174

175
    dnl Allow binaries created on Lion to run on earlier releases
176
177
178
179
180
181
    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
182
183
184
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
185

186
    dnl
187
    dnl  Handle Mac OS X SDK flags
188
189
    dnl
    AC_ARG_WITH(macosx-sdk,
190
191
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
192
193
194
195
196
197
198
199
    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 ${with_macosx_sdk}"
    fi
200
    AC_ARG_WITH(macosx-version-min,
201
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
202
203
204
205
206
207
208
        [compile for Mac OS X VERSION and above])])
    if test "${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}"
209
    fi
210
    ;;
211
  *mingw32* | *cygwin* | *wince* | *mingwce*)
212
    AC_CHECK_TOOL(WINDRES, windres, :)
213
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
214
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
215
216
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
217
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
218
219
    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
220

221
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
222
      *mingw32*)
gbazin's avatar
   
gbazin committed
223
224
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
225
      *cygwin*)
gbazin's avatar
   
gbazin committed
226
227
228
        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,
229
            [#ifdef _WIN32
gbazin's avatar
   
gbazin committed
230
231
             yes
             #endif],
232
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
gbazin's avatar
   
gbazin committed
233
234
235
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
236
    if test "${SYS}" = "mingw32"; then
237
238
239
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

240
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
damienf's avatar
damienf committed
241
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
242
        VLC_ADD_LIBS([win32text],[-lgdi32])
243
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
244
245
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
246
247

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
248
        dnl NSIS/MSI Installer prefix and WIN64
249
250
        dnl
        case "${host}" in
251
            amd64*|x86_64*)
252
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
253
                WINDOWS_ARCH="x64"
254
                PROGRAMFILES="PROGRAMFILES64"
Luca Barbato's avatar
Luca Barbato committed
255
                YASMFLAGS="-f win64"
256
257
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
258
                WINDOWS_ARCH="x86"
259
                PROGRAMFILES="PROGRAMFILES"
Luca Barbato's avatar
Luca Barbato committed
260
                YASMFLAGS="-f win32"
261
262
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
263
        AC_SUBST(WINDOWS_ARCH)
264
265
        AC_SUBST(PROGRAMFILES)

gbazin's avatar
   
gbazin committed
266
    fi
267
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
268
  *nto*)
269
270
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
271
  solaris*)
272
273
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
274
  hpux*)
275
276
    SYS=hpux
    ;;
277
278
279
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
280
281
  *os2*)
    SYS=os2
282
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
KO Myung-Hun's avatar
KO Myung-Hun committed
283
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
284
  *)
285
    SYS="${host_os}"
286
    ;;
gbazin's avatar
   
gbazin committed
287
esac
ivoire's avatar
ivoire committed
288
289
290
291
292
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 "${HAVE_WIN64}" = "1")
293
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
294

Luca Barbato's avatar
Luca Barbato committed
295
296
AC_SUBST(YASMFLAGS)

297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
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")


326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
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
347
348
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
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
383
384
385
386
387
388
389
390
391
392
393
394
395
        ])
      ])
    ])
  ])
], [
  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)

396
dnl
397
398
399
400
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
damienf's avatar
damienf committed
401
402
403
404

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
405
406
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
damienf's avatar
damienf committed
407

408
409
410
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
411

Luca Barbato's avatar
Luca Barbato committed
412
413
DOLT

damienf's avatar
damienf committed
414
415
lt_cv_deplibs_check_method=pass_all

416
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
417
418
419
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

420
421
422
dnl
dnl Gettext stuff
dnl
423
AM_GNU_GETTEXT_VERSION([0.18.3])
424
AM_GNU_GETTEXT([external], [need-ngettext])
425

gbazin's avatar
gbazin committed
426
427
428
dnl
dnl Iconv stuff
dnl
429
AM_ICONV
gbazin's avatar
gbazin committed
430

431
432
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
433
AS_IF([test "${SYS}" = "mingw32"], [
434
dnl Check for broken versions of mingw-runtime compatability library
435
    AC_MSG_CHECKING(for broken mingw-runtime)
436
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
437
#include <_mingw.h>
438
439
440
441
442
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
443
444
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
445
    ])], [
446
        AC_MSG_RESULT([ok])
447
    ], [
448
        AC_MSG_RESULT([present])
449
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
450
    ])
451
452
453
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

gbazin's avatar
   
gbazin committed
454
dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
455
    VLC_SAVE_FLAGS
gbazin's avatar
   
gbazin committed
456
    AC_CHECK_LIB(mingwex,opendir,
457
        AC_CHECK_LIB(mingw32,opendir,,
458
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
gbazin's avatar
   
gbazin committed
459
    )
Rafaël Carré's avatar
Rafaël Carré committed
460
    VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
461

gbazin's avatar
   
gbazin committed
462
dnl Check for fnative-struct or mms-bitfields support for mingw32
463
464
465
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
gbazin's avatar
   
gbazin committed
466
467
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
468
469
470
471
472
        [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="${CXXFLAGS} -fnative-struct"
473
474
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
475
476
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
477
    fi
478
])
gbazin's avatar
   
gbazin committed
479

480
481
482
483
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

484
vlc_winstore_app=0
485
486
487
488
AS_IF([test "${SYS}" = "mingw32" -a "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
    VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ])
489
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
490
AM_CONDITIONAL([HAVE_WINSTORE], [test "$vlc_winstore_app" = "1"])
491
492


493
494
dnl
dnl Buggy glibc prevention. Purposedly not cached.
495
dnl See sourceware.org bugs 5058 and 5443.
496
497
498
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
499
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
500
501
502
503
504
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
505
])], [
506
507
508
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
509
  AS_IF([test "x${enable_nls}" != "xno"], [
510
511
    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
512
glibc run-time. Alternatively, build with --disable-nls.])
513
  ])
514
515
])

Sam Hocevar's avatar
Sam Hocevar committed
516
517
518
519
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

520
dnl Check for system libs needed
521
need_libc=false
522

523
dnl Check for usual libc functions
524
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
525
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])
526
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])
527
528
529
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
530

531
532
533
534
535
536
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;
537
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
538
AC_LINK_IFELSE([
539
540
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
541
542
543
544
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
545
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
546

547
548
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
549
550
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
551
552
553
554
555
556
557
])], [
  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
558
# Windows CE does not have strcoll()
559
560
AC_FUNC_STRCOLL

561
dnl Check for non-standard system calls
562
563
564
565
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
566
567
568
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
569
esac
570

571
572
AH_BOTTOM([#include <vlc_fixups.h>])

573
574
575
576
577
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
578
#elif defined (_WIN32)
579
580
581
582
# include <winsock2.h>
#endif
])

583
dnl Checks for socket stuff
584
VLC_SAVE_FLAGS
585
586
587
588
589
590
591
592
593
594
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"
  ])
])
595

596
AC_SEARCH_LIBS([inet_pton], [nsl], [
597
598
599
600
601
 AS_IF([test "$ac_cv_search_getaddrinfo" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_getaddrinfo $SOCKET_LIBS"
  ])
],, [${SOCKET_LIBS}])

602
603
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
604
    AC_LANG_PROGRAM([#ifdef _WIN32
605
606
607
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
608
609
        #include <ws2tcpip.h>
        #else
610
        #include <sys/socket.h>
611
612
613
614
615
        #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])])
616
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
617
VLC_RESTORE_FLAGS
618

619
AS_IF([test -n "$SOCKET_LIBS"], [
620
  VLC_ADD_LIBS([access_rtmp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp oldrc netsync gnutls ts remoteosd audiobargraph_a],[${SOCKET_LIBS}])
621
622
])
AC_SUBST(SOCKET_LIBS)
623

624
dnl Check for socklen_t
625
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
626
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
627
628
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
629
[#include <sys/types.h>
630
#ifdef _WIN32
631
# include <winsock2.h>
632
# include <ws2tcpip.h>
633
634
#else
# include <sys/socket.h>
635
636
637
638
639
#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)])
640

641
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
642
643
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
644
645
646
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
647
     #if defined( _WIN32 )
648
649
650
651
652
653
     # 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)])
654
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
655
656
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
657
])
658

659
660
661
662
663
664
665
666
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
667

Sam Hocevar's avatar
Sam Hocevar committed
668
AC_CHECK_LIB(m,cos,[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
669
  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])
670
671
672
  LIBM="-lm"
], [
  LIBM=""
673
])
674
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
675

676
677
678
679
680
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
681
dnl Check for dynamic plugins
682
683
LIBDL=""
have_dynamic_objects="no"
684
VLC_SAVE_FLAGS
685
686
687
688
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
689
  have_dynamic_objects="yes"
690
])
691
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
692

693
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
694
AS_IF([test "${SYS}" = "mingw32"], [
695
  LIBDL=""
696
  have_dynamic_objects="yes" #assume we can use shared objects
697
])
698

699
700
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
701
])
Rafaël Carré's avatar
Rafaël Carré committed
702
703
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

704
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
705

706
dnl Check for thread library
707
708
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
709
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
710
711
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
712
713
714
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
715
716
  ])
  VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
717

718
719
720
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
721
722
723
724
725
726
727
728
729
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
730
731
732
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
733
734
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
735

Sam Hocevar's avatar
   
Sam Hocevar committed
736
dnl Check for headers
737
AC_CHECK_HEADERS([search.h])
738
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
739
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
740
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
741
742
AC_CHECK_HEADERS([net/if.h], [], [],
  [
743
    #include <sys/types.h>
744
    #include <sys/socket.h>
745
  ])
746
747
748
749
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
750

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
751
if test "${SYS}" != "mingw32"; then
752
753
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
754
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
755
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
756

757
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
758
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
759
760
761
762
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
   
Sam Hocevar committed
763
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
764
if test "${SYS}" != "mingw32"; then
765
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
766
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
   
Sam Hocevar committed
767

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
768
769
770
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.
771
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
772
AC_ARG_VAR(PKG_CONFIG_PATH,
773
       [Paths where to find .pc not at the default location])
774
775
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
776
dnl On some OS we need static linking
777
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
778
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
779
780
781
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
782
783


784
785
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
786
dnl
787
788
789
790
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
791
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
792
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
793
    AC_CHECK_HEADERS([unzip.h], [
794
795
796
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
797
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
798
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
799
800
801
802
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
803
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
804
fi
805
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
806
807


808
809
810
811
812
813
814
815
816
817
818
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"
])


819
820
dnl Check for dbus
AC_ARG_ENABLE(dbus,
821
822
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
823
824
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
825
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
826
827
828
829
830
831
832
833
834
835
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
836

Sam Hocevar's avatar
   
Sam Hocevar committed
837
dnl Check for ntohl, etc.
838
839
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
840
AC_CACHE_CHECK([for ntohl in sys/param.h],
841
    [ac_cv_c_ntohl_sys_param_h],
842
    [     AC_TRY_COMPILE([#include <sys/param.h>],
843
        [int meuh; ntohl(meuh);],
844
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
845
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
846
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
847
fi
848
VLC_RESTORE_FLAGS
849
850
851
852
853

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
854

855
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
856
RDC_PROG_CC_FLAGS([-pipe])
857
858
859
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
860

861
862
863
864
865
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
866
    [build with run-time assertions (default disabled)])],,
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
899
900
901
902
903
904
905
906
907
908
909
910
911
  [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}"
])

912
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
913
914
915
916
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
917
918
919
920
921
922
923
924
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
925
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
926
927
])

928

929
930
931
932
933
934
935
936
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
937
dnl Check for various optimization flags
938
939
940
941
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
942
943
944
945
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
946
947
948
949
950
951
952
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
953
954
955
956
957
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
958
959
960
961
962
963
964
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
965
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
966
967
    ])
  ])
968

969
  dnl Check for -ffast-math
970
971
972
973
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
974
975
976
977
978
979
980
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
981
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
982
983
984
985
986
987
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
988

989
  dnl Check for -funroll-loops
990
991
992
993
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
994
995
996
997
998
999
1000
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
1001
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
1002
1003
1004

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
1005
1006
1007
1008
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
1009
1010
1011
1012
1013
1014
1015
1016
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
1017
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
1018
1019
  ])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1020

1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
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)

1034
dnl Checks for __attribute__(aligned()) directive
1035
1036
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Werror"
1037
AC_CACHE_CHECK([__attribute__ ((aligned ())) support],
1038
1039
1040
1041
1042
1043
    [ac_cv_c_attribute_aligned],
    [ac_cv_c_attribute_aligned=0
    for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
        AC_TRY_COMPILE([],
        [static char c __attribute__ ((aligned(${ac_cv_c_attr_align_try}))) = 0; return c;],
        [ac_cv_c_attribute_aligned="${ac_cv_c_attr_align_try}"])
1044
1045
    done])
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
1046
if test "${ac_cv_c_attribute_aligned}" != "0"; then
1047
1048
    AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX],
        [${ac_cv_c_attribute_aligned}],[Maximum supported data alignment])
1049
1050
fi

1051
dnl Check for __attribute__((packed))
1052
1053
1054
AC_CACHE_CHECK([for __attribute__((packed))],
  [ac_cv_c_attribute_packed],
  [ac_cv_c_attribute_packed=no
1055
   AC_TRY_COMPILE(, [struct __attribute__((__packed__)) foo { int a; } b; (void)b;],
1056
                    [ac_cv_c_attribute_packed=yes])])
1057
if test "${ac_cv_c_attribute_packed}" != "no"; then
1058
1059
1060
  AC_DEFINE(HAVE_ATTRIBUTE_PACKED, 1, Support for __attribute__((packed)) for structs)
fi

Sam Hocevar's avatar
   
Sam Hocevar committed
1061
1062
1063
dnl
dnl  Check the CPU
dnl
1064
case "${host_cpu}" in
Sam Hocevar's avatar
Sam Hocevar committed
1065
  "")
1066
1067
1068
    ARCH=unknown
    ;;
  *)
1069
    ARCH="${host_cpu}"
1070
1071
1072
    ;;
esac

1073
1074
1075
1076
dnl Check for backtrace() support
AC_CHECK_HEADERS(execinfo.h)
AC_CHECK_FUNCS(backtrace)

Sam Hocevar's avatar
   
Sam Hocevar committed
1077
1078
1079
dnl
dnl  default modules
dnl
1080
ALIASES="${ALIASES} cvlc rvlc"
gbazin's avatar
   
gbazin committed
1081

Sam Hocevar's avatar
   
Sam Hocevar committed
1082
1083
1084
dnl
dnl  Accelerated modules
dnl
1085
1086

dnl  Check for fully working MMX intrinsics
1087
1088
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)
1089
AC_ARG_ENABLE(mmx,
1090
1091
  [AS_HELP_STRING([--disable-mmx],
    [disable MMX optimizations (default auto)])],,[
1092
1093
1094
1095
1096
1097
1098
1099
1100
  case "${host_cpu}" in
    i?86|x86_64)
      enable_mmx="yes"
      ;;
    *)
      enable_mmx="no"
      ;;
  esac
])
1101
have_mmx="no"
1102
have_mmxext="no"
1103
1104
AS_IF([test "${enable_mmx}" != "no"], [
  ARCH="${ARCH} mmx"
1105
  VLC_SAVE_FLAGS
1106
  CFLAGS="${CFLAGS} -mmmx"
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
  AC_CACHE_CHECK([if $CC groks MMX intrinsics], [ac_cv_c_mmx_intrinsics], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <mmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m64 a, b, c;
a = b = c = (__m64)frobzor;
a = _mm_slli_pi16(a, 3);
a = _mm_adds_pi16(a, b);
c = _mm_srli_pi16(c, 8);
c = _mm_slli_pi16(c, 3);
b = _mm_adds_pi16(b, c);
a = _mm_unpacklo_pi8(a, b);
frobzor = (uint64_t)a;]])], [
      ac_cv_c_mmx_intrinsics=yes
    ], [
      ac_cv_c_mmx_intrinsics=no
    ])
  ])
1126
  VLC_RESTORE_FLAGS
1127
  AS_IF([test "${ac_cv_c_mmx_intrinsics}" != "no"], [
1128
    AC_DEFINE(HAVE_MMX_INTRINSICS, 1, [Define to 1 if MMX intrinsics are available.])
1129
1130
  ])