configure.ac 121 KB
Newer Older
Sam Hocevar's avatar
   
Sam Hocevar committed
1
dnl Autoconf settings for vlc
2

Jean-Baptiste Kempf's avatar
2015    
Jean-Baptiste Kempf committed
3
AC_COPYRIGHT([Copyright 1999-2015 VLC authors and VideoLAN])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
4

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
5
6
7
AC_INIT(vlc, 3.0.0-git)
VERSION_MAJOR=3
VERSION_MINOR=0
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="Vetinari"
Jean-Baptiste Kempf's avatar
2015    
Jean-Baptiste Kempf committed
17
COPYRIGHT_YEARS="1996-2015"
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

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
30
AM_SILENT_RULES([yes])
31
AM_MAINTAINER_MODE([enable])
32

33
34
35
36
37
38
39
40
41
42
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
43
dnl
44
dnl Check for tools
Sam Hocevar's avatar
Sam Hocevar committed
45
dnl
46
AC_PROG_CC_C99
47
AC_USE_SYSTEM_EXTENSIONS
48
VLC_PROG_CC_C11
49
50
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.])
51
52
53
54
55
AH_TOP([
#ifndef _REENTRANT
# define _REENTRANT
#endif
])
56
57
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
58
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
59

60
61
AM_PROG_CC_C_O
AC_PROG_CXX
62
AC_PROG_CPP
63
64
65
AC_PROG_OBJC
_AM_DEPENDENCIES([OBJC])
AC_PROG_EGREP
66
67
AC_PROG_MAKE_SET
AC_PROG_INSTALL
68
AM_PROG_AS
69

70
71
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)
72
AC_ARG_VAR([BUILDCC], [Build system C11 or C99 compiler command])
73
74
AC_PATH_PROGS(BUILDCC, [c11-gcc c11 c99-gcc c99], [false])
AS_IF([test "$BUILDCC" = "false"], [
75
76
  AC_MSG_ERROR([Cannot find native C99 compiler: please define BUILDCC.])
])
77

78
79
80
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
81
AC_C_RESTRICT
82
AX_CXX_COMPILE_STDCXX_11(noext, optional)
83

impulze's avatar
impulze committed
84
85
86
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

87
dnl Allow binary package maintainer to pass a custom string to avoid
88
dnl cache problem
89
AC_ARG_WITH(binary-version,
90
91
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
92
AS_IF([test -n "${with_binary_version}"],[
93
94
95
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
96

gbazin's avatar
   
gbazin committed
97
98
99
dnl
dnl  Check the operating system
dnl
100
HAVE_WIN64="0"
101
102
HAVE_IOS="0"
HAVE_OSX="0"
Luca Barbato's avatar
Luca Barbato committed
103

104
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
105
  "")
106
107
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
108
  linux*)
109
110
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
111
  bsdi*)
112
    SYS=bsdi
113
    CFLAGS="${CFLAGS} -pthread"
114
    ;;
115
116
  freebsd*)
    SYS=freebsd
117
    CFLAGS="${CFLAGS} -pthread"
118
119
120
121
122
123
124
125
126
127
128
129
130
    CPPFLAGS="${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
131
    ;;
132
  darwin*)
133
134
135
136

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
137
      i?86*)
138
139
140
141
142
143
144
145
146
147
148
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
149
150
      arm*)
        ac_cv_c_bigendian="no"
151
        ac_cv_c_attribute_packed="no"
152
      ;;
153
154
    esac

155
    SYS=darwin
156
    CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
157
158
    CXX="${CXX} -stdlib=libc++ -std=c++11"
    CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
159
    CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
160
    OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
161
    LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
162
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
163
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
164

165
166
167
168
169
170
171
172
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_IPHONE
             yes
             #endif],
             [HAVE_IOS="1"],
             [HAVE_OSX="1"])

173
    dnl Allow binaries created on Lion to run on earlier releases
174
175
176
177
178
179
    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
180
181
182
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
183

184
    dnl
185
    dnl  Handle Mac OS X SDK flags
186
187
    dnl
    AC_ARG_WITH(macosx-sdk,
188
189
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
190
191
192
193
194
195
196
197
    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 ${with_macosx_sdk}"
    fi
198
    AC_ARG_WITH(macosx-version-min,
199
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
200
201
202
203
204
205
206
        [compile for Mac OS X VERSION and above])])
    if test "${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}"
207
    fi
208
    ;;
209
  *mingw32* | *cygwin* | *wince* | *mingwce*)
210
    AC_CHECK_TOOL(WINDRES, windres, :)
211
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
212
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
213
214
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
215
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
216
217
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
218
219
220
221
222
223
224
225
    AC_DEFINE([_ISOC99_SOURCE], [1], [Extensions to ISO C89 from ISO C99.])
    AC_DEFINE([_ISOC11_SOURCE], [1], [Extensions to ISO C99 from ISO C11.])
    AC_DEFINE([_POSIX_SOURCE], [1], [IEEE Std 1003.1.])
    AC_DEFINE([_POSIX_C_SOURCE], [200809L], [IEEE Std 1003.1.])
    AC_DEFINE([_XOPEN_SOURCE], [700], [POSIX and XPG 7th edition])
    AC_DEFINE([_XOPEN_SOURCE_EXTENDED], [1], [XPG things and X/Open Unix extensions.])
    AC_DEFINE([_BSD_SOURCE], [1], [ISO C, POSIX, and 4.3BSD things.])
    AC_DEFINE([_SVID_SOURCE], [1], [ISO C, POSIX, and SVID things.])
gbazin's avatar
   
gbazin committed
226

227
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
228
      *mingw32*)
gbazin's avatar
   
gbazin committed
229
230
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
231
      *cygwin*)
gbazin's avatar
   
gbazin committed
232
233
234
        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,
235
            [#ifdef _WIN32
gbazin's avatar
   
gbazin committed
236
237
             yes
             #endif],
238
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
gbazin's avatar
   
gbazin committed
239
240
241
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
242
    if test "${SYS}" = "mingw32"; then
243
244
245
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

246
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
247
248
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
249
250

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
251
        dnl NSIS/MSI Installer prefix and WIN64
252
253
        dnl
        case "${host}" in
254
            amd64*|x86_64*)
255
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
256
                WINDOWS_ARCH="x64"
257
258
259
                PROGRAMFILES="PROGRAMFILES64"
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
260
                WINDOWS_ARCH="x86"
261
262
263
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
264
        AC_SUBST(WINDOWS_ARCH)
265
266
        AC_SUBST(PROGRAMFILES)

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

295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
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")


324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
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
345
346
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
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
        ])
      ])
    ])
  ])
], [
  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"
376
  export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
377
378
379
380
381
382
383
384
385
386
387
388
389
  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)

390
dnl Add extras/tools to the PATH
391
TOOLS_DIR="${srcdir}/extras/tools/build/bin"
392
393
AS_IF([test -d "${TOOLS_DIR}"], [
    TOOLS_DIR=`cd "${TOOLS_DIR}" && pwd`
394
    export PATH="${TOOLS_DIR}":$PATH
395
396
])

397
dnl
398
399
400
401
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
damienf's avatar
damienf committed
402
403
404
405

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
406
407
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
damienf's avatar
damienf committed
408

409
410
411
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
412

Luca Barbato's avatar
Luca Barbato committed
413
414
DOLT

damienf's avatar
damienf committed
415
416
lt_cv_deplibs_check_method=pass_all

417
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
418
419
420
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

421
422
423
dnl
dnl Gettext stuff
dnl
424
AM_GNU_GETTEXT_VERSION([0.19.4])
425
AM_GNU_GETTEXT([external], [need-ngettext])
426

gbazin's avatar
gbazin committed
427
428
429
dnl
dnl Iconv stuff
dnl
430
AM_ICONV
gbazin's avatar
gbazin committed
431

432
433
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
434
AS_IF([test "${SYS}" = "mingw32"], [
435

436
dnl Check for broken versions of mingw-runtime compatability library
437
    AC_MSG_CHECKING(for broken mingw-runtime)
438
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
439
#include <_mingw.h>
440
441
442
443
444
#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
445
446
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
447
    ])], [
448
        AC_MSG_RESULT([ok])
449
    ], [
450
        AC_MSG_RESULT([present])
451
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
452
    ])
453

454
455
456
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

457
458
459
460
    dnl Add WinMainCRTStartup entry point to show it's a WinMain application
    VLC_ADD_LDFLAGS([vlc],[-mwindows])

    dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
461
    VLC_SAVE_FLAGS
gbazin's avatar
   
gbazin committed
462
    AC_CHECK_LIB(mingwex,opendir,
463
        AC_CHECK_LIB(mingw32,opendir,,
464
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
gbazin's avatar
   
gbazin committed
465
    )
Rafaël Carré's avatar
Rafaël Carré committed
466
    VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
467

468
    dnl Check for fnative-struct or mms-bitfields support for mingw32
469
470
471
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
gbazin's avatar
   
gbazin committed
472
473
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
474
475
476
477
478
        [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="${CXXFLAGS} -fnative-struct"
479
480
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
481
482
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
483
    fi
484
])
gbazin's avatar
   
gbazin committed
485

486
487
488
489
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

490
vlc_winstore_app=0
491
492
AS_IF([test "${SYS}" = "mingw32"],[
  AS_IF([test "${enable_winstore_app}" = "yes"], [
493
    vlc_winstore_app=1
494
495
496
     VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ],[
     VLC_ADD_LIBS([libvlccore],[-lwinmm])
497
    ])
498
  ])
499
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
500
AM_CONDITIONAL([HAVE_WINSTORE], [test "$vlc_winstore_app" = "1"])
501
502


503
504
dnl
dnl Buggy glibc prevention. Purposedly not cached.
505
dnl See sourceware.org bugs 5058 and 5443.
506
507
508
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
509
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
510
511
512
513
514
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
515
])], [
516
517
518
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
519
  AS_IF([test "x${enable_nls}" != "xno"], [
520
521
    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
522
glibc run-time. Alternatively, build with --disable-nls.])
523
  ])
524
525
])

Sam Hocevar's avatar
Sam Hocevar committed
526
527
528
529
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

530
dnl Check for system libs needed
531
need_libc=false
532

533
dnl Check for usual libc functions
534
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
535
AC_CHECK_FUNCS([daemon fcntl fstatvfs fork getenv getpwuid_r isatty lstat memalign mmap open_memstream openat pread posix_fadvise posix_madvise setlocale stricmp strnicmp strptime uselocale pthread_cond_timedwait_monotonic_np pthread_condattr_setclock])
536
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir ffsll flockfile fsync getdelim getpid lldiv nrand48 poll posix_memalign rewind setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strsep strtof strtok_r strtoll swab tdestroy strverscmp])
537
538
539
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
540

541
dnl mingw64 implements those as static inline, not functions with C linkage
542
543
VLC_REPLACE_DECL([asprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([vasprintf], [#include <stdio.h>])
544
545
VLC_REPLACE_DECL([gmtime_r], [#include <time.h>])
VLC_REPLACE_DECL([localtime_r], [#include <time.h>])
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], [
Fabrizio Ge's avatar
Fabrizio Ge committed
597
598
 AS_IF([test "$ac_cv_search_inet_pton" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_inet_pton $SOCKET_LIBS"
599
600
601
  ])
],, [${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
AC_SUBST(SOCKET_LIBS)
619

620
dnl Check for socklen_t
621
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
622
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
623
624
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
625
[#include <sys/types.h>
626
#ifdef _WIN32
627
# include <winsock2.h>
628
# include <ws2tcpip.h>
629
630
#else
# include <sys/socket.h>
631
632
633
634
635
#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)])
636

637
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
638
639
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
640
641
642
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
643
     #if defined( _WIN32 )
644
645
646
647
648
649
     # 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)])
650
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
651
652
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
653
])
654

655
656
657
658
659
660
661
662
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
663

Sam Hocevar's avatar
Sam Hocevar committed
664
AC_CHECK_LIB(m,cos,[
665
666
667
  LIBM="-lm"
], [
  LIBM=""
668
])
669
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
670

671
672
673
674
AC_CHECK_LIB(m,lrintf, [
  AC_DEFINE(HAVE_LRINTF, 1, [Define to 1 if you have the lrintf function])
  VLC_ADD_LIBS([skins2],[-lm])
])
Thomas Guillem's avatar
Thomas Guillem committed
675
676
677
AC_CHECK_LIB(m,nanf,
  AC_DEFINE(HAVE_NANF, 1, [Define to 1 if you have the NANF function])
)
678

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

691
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
692
AS_IF([test "${SYS}" = "mingw32"], [
693
  LIBDL=""
694
  have_dynamic_objects="yes" #assume we can use shared objects
695
])
696

697
698
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
699
])
Rafaël Carré's avatar
Rafaël Carré committed
700
701
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

702
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
703

704
dnl Check for thread library
705
706
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
707
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
708
709
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
710
711
712
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
713
714
  ])
  VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
715

716
717
718
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
719
720
721
722
723
724
725
726
727
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
728
729
730
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
731
732
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
733

734
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
735
dnl Check for headers
736
737
dnl

738
dnl  POSIX
739
AC_CHECK_HEADERS([arpa/inet.h pthread.h search.h sys/shm.h sys/socket.h])
740
741
742
743
744
AC_CHECK_HEADERS([net/if.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
])
745
746
747
AC_CHECK_HEADER([syslog.h], [have_syslog="yes"], [have_syslog="no"])
AM_CONDITIONAL([HAVE_SYSLOG], [test "$have_syslog" = "yes"])

748
749
dnl  BSD
AC_CHECK_HEADERS([netinet/udplite.h sys/param.h sys/mount.h])
750

751
752
dnl  GNU/Linux
AC_CHECK_HEADERS([getopt.h linux/dccp.h linux/magic.h mntent.h sys/eventfd.h])
753

754
755
dnl  MacOS
AC_CHECK_HEADERS([xlocale.h])
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)
])

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
763
764
765
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.
766
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
767
AC_ARG_VAR(PKG_CONFIG_PATH,
768
       [Paths where to find .pc not at the default location])
769
770
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
771
dnl On some OS we need static linking
772
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
773
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
774
775
776
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
777
778


779
780
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
781
dnl
782
783
784
785
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
786
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
787
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
788
    AC_CHECK_HEADERS([unzip.h], [
789
790
791
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
792
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
793
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
794
795
796
797
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
798
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
799
fi
800
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
801
802


803
804
805
806
807
808
809
810
811
812
813
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"
])


814
815
dnl Check for dbus
AC_ARG_ENABLE(dbus,
816
817
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
818
819
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
820
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
821
822
823
824
825
826
827
828
829
830
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
831

832
833
834
835
836
837
838
839
840
841

dnl Check for systemd
PKG_CHECK_MODULES([SYSTEMD], [libsystemd], [
  have_systemd="yes"
], [
  AC_MSG_WARN([${SYSTEMD_PKG_ERRORS}.])
])
AM_CONDITIONAL([HAVE_SYSTEMD], [test "${have_systemd}" = "yes"])


Sam Hocevar's avatar
   
Sam Hocevar committed
842
dnl Check for ntohl, etc.
843
844
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
845
AC_CACHE_CHECK([for ntohl in sys/param.h],
846
    [ac_cv_c_ntohl_sys_param_h],
847
    [     AC_TRY_COMPILE([#include <sys/param.h>],
848
        [int meuh; ntohl(meuh);],
849
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
850
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
851
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
852
fi
853
VLC_RESTORE_FLAGS
854
855
856
857
858

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
859

860
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 init-self logical-op])
Pierre's avatar
Pierre committed
861
RDC_PROG_CC_FLAGS([-pipe])
862
863
864
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
865

866
867
868
869
870
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
871
    [build with run-time assertions (default disabled)])],,
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
912
913
914
915
916
  [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}"
])

917
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
918
919
920
921
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
922
923
924
925
926
927
928
929
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
930
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
931
932
])

933

934
935
936
937
938
939
940
941
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
942
dnl Check for various optimization flags
943
944
AS_IF([test "${enable_optimizations}" != "no"], [

945
  dnl -O3 only in production builds
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
946
  AS_IF([test "${enable_debug}" = "no"], [
947
    VLC_SAVE_FLAGS
948
949
950
951
    CFLAGS="${CFLAGS} -O3"
    CXXFLAGS="${CXXFLAGS} -O3"
    OBJCFLAGS="${OBJCFLAGS} -O3"
    AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
952
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
953
        ac_cv_c_o3=yes
954
      ], [
955
        ac_cv_c_o3=no
956
957
      ])
    ])
958
    AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
959
  ])
960

961
  dnl Check for -ffast-math
962
963
964
965
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
966
967
968
969
970
971
972
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
973
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
974
975
  AH_BOTTOM([
#ifndef __FAST_MATH__
976
977
978
979
980
981
982
# ifndef _MSC_VER
#  pragma STDC FENV_ACCESS OFF
#  pragma STDC FP_CONTRACT ON
# else
#  pragma fenv_access(off)
#  pragma fp_contract(on)
# endif
983
984
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
985

986
  dnl Check for -funroll-loops
987
988
989
990
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
991
992
993
994
995
996
997
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
998
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
999
1000

  AS_IF([test "$enable_debug" = "no"], [
For faster browsing, not all history is shown. View entire blame