configure.ac 126 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 1999-2016 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
Jean-Baptiste Kempf committed
17
COPYRIGHT_YEARS="1996-2016"
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, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)
72
AC_ARG_VAR([BUILDCC], [Build system C11 or C99 compiler command])
73
AC_CHECK_PROGS(BUILDCC, [c11-gcc c11 c99-gcc c99], [false])
74
AS_IF([test "$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"
103
HAVE_TVOS="0"
Luca Barbato's avatar
Luca Barbato committed
104

105
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
106
  "")
107
108
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
109
  linux*)
110
111
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
112
  bsdi*)
113
    SYS=bsdi
114
    CFLAGS="${CFLAGS} -pthread"
115
    ;;
116
117
  freebsd*)
    SYS=freebsd
118
    CFLAGS="${CFLAGS} -pthread"
119
120
121
122
123
124
125
126
127
128
129
130
131
    CPPFLAGS="${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
132
    ;;
133
  darwin*)
134
135
136
137

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
138
      i?86*)
139
140
141
142
143
144
145
146
147
148
149
        ARCH_flag="-arch i386"
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
      ;;
150
151
      arm*)
        ac_cv_c_bigendian="no"
152
        ac_cv_c_attribute_packed="no"
153
      ;;
154
155
    esac

156
    SYS=darwin
157
    CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
158
159
    CXX="${CXX} -stdlib=libc++ -std=c++11"
    CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
160
    CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
161
    OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
162
    LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
163
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
164
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
165

166
167
168
169
170
171
172
173
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_IPHONE
             yes
             #endif],
             [HAVE_IOS="1"],
             [HAVE_OSX="1"])

174
175
176
177
178
179
180
181
182
183
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_TV
             yes
             #endif],
             [HAVE_TVOS="1"
             HAVE_IOS="0"
             HAVE_OSX="0"
             ],)

184
    dnl Allow binaries created on Lion to run on earlier releases
185
186
187
188
189
190
    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
191
192
193
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
194

195
    dnl
196
    dnl  Handle Mac OS X SDK flags
197
198
    dnl
    AC_ARG_WITH(macosx-sdk,
199
200
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
201
202
203
204
205
206
207
208
    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 ${with_macosx_sdk}"
    fi
209
    AC_ARG_WITH(macosx-version-min,
210
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
211
212
213
214
215
216
217
        [compile for Mac OS X VERSION and above])])
    if test "${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}"
218
    fi
219
    ;;
220
  *mingw32* | *cygwin* | *wince* | *mingwce*)
221
222
223
    dnl Force libtool to not link to (shared) libgcc_s when detecting C++ dependencies
    dnl When doing this test with -static-libgcc it will link on (static) libgcc_eh
    CXXFLAGS="${CXXFLAGS} -static-libgcc"
224
    AC_CHECK_TOOL(WINDRES, windres, :)
225
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
226
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
227
228
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
229
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
230
231
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
232
233
234
235
236
237
238
239
    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
240

241
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
242
      *mingw32*)
gbazin's avatar
   
gbazin committed
243
244
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
245
      *cygwin*)
gbazin's avatar
   
gbazin committed
246
247
248
        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,
249
            [#ifdef _WIN32
gbazin's avatar
   
gbazin committed
250
251
             yes
             #endif],
252
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
gbazin's avatar
   
gbazin committed
253
254
255
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
256
    if test "${SYS}" = "mingw32"; then
257
258
259
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

260
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
261
262
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
263
264

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
265
        dnl NSIS/MSI Installer prefix and WIN64
266
267
        dnl
        case "${host}" in
268
            amd64*|x86_64*)
269
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
270
                WINDOWS_ARCH="x64"
271
                PROGRAMFILES="PROGRAMFILES64"
272
                LDFLAGS="${LDFLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x140000000"
273
274
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
275
                WINDOWS_ARCH="x86"
276
277
278
                PROGRAMFILES="PROGRAMFILES"
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
279
        AC_SUBST(WINDOWS_ARCH)
280
281
        AC_SUBST(PROGRAMFILES)

gbazin's avatar
   
gbazin committed
282
    fi
283
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
284
  *nto*)
285
286
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
287
  solaris*)
288
289
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
290
  hpux*)
291
292
    SYS=hpux
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
293
294
  *os2*)
    SYS=os2
295
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
296
    AC_LIBOBJ([freeaddrinfo])
297
    AC_LIBOBJ([gai_strerror])
KO Myung-Hun's avatar
KO Myung-Hun committed
298
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
299
  *)
300
    SYS="${host_os}"
301
    ;;
gbazin's avatar
   
gbazin committed
302
esac
303
304
305
306
307
308
309
310

dnl WinRT
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

vlc_winstore_app=0
AS_IF([test "${SYS}" = "mingw32"],[
311
  LIBCOM="-lole32"
312
313
  AS_IF([test "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
314
    LIBCOM=""
315
     VLC_ADD_LIBS([libvlccore], [-lruntimeobject])
316
317
318
319
     AC_LIBOBJ([gai_strerror])
    ],[
     VLC_ADD_LIBS([libvlccore],[-lwinmm])
    ])
320
  AC_SUBST(LIBCOM)
321
322
323
  ])
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])

ivoire's avatar
ivoire committed
324
325
AM_CONDITIONAL(HAVE_LINUX,   test "${SYS}" = "linux")
AM_CONDITIONAL(HAVE_OS2,     test "${SYS}" = "os2")
326
327

AM_CONDITIONAL(HAVE_DARWIN,  test "${SYS}" = "darwin")
328
329
330
AM_CONDITIONAL(HAVE_IOS,     test "${HAVE_IOS}" = "1")
AM_CONDITIONAL(HAVE_OSX,     test "${HAVE_OSX}" = "1")
AM_CONDITIONAL(HAVE_TVOS,    test "${HAVE_TVOS}" = "1")
331

332
333
334
AM_CONDITIONAL(HAVE_WIN32,   test "${SYS}" = "mingw32")
AM_CONDITIONAL(HAVE_WIN64,   test "${HAVE_WIN64}" = "1") dnl Only used for the packaging
AM_CONDITIONAL([HAVE_WINSTORE], [test "$vlc_winstore_app" = "1"])
335
AM_CONDITIONAL([HAVE_WIN32_DESKTOP], [test "${SYS}" = "mingw32" -a "$vlc_winstore_app" = "0"])
336

337
338
339
340
341
342
343
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"
    ;;
344
345
346
    os2*)
        BUILDEXEEXT=".exe"
    ;;
347
348
349
    *)
    ;;
esac
350
AC_SUBST(BUILDEXEEXT)
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368

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")

Thomas Guillem's avatar
Thomas Guillem committed
369
370
371
dnl Tizen (minimum SDK version: 2.3)
AS_IF([test "$SYS" = linux],[
    AC_MSG_CHECKING([for Tizen])
372
373
374
375
    AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
        [[#include <tizen.h>
        ]],[[;]])
    ],[
Thomas Guillem's avatar
Thomas Guillem committed
376
      HAVE_TIZEN="1"
377
      AC_DEFINE([HAVE_TIZEN_SDK], [1], [Define to 1 if vlc is built against Tizen SDK])
Thomas Guillem's avatar
Thomas Guillem committed
378
379
380
381
382
383
      AC_MSG_RESULT([yes])
    ],[
      AC_MSG_RESULT([no])
    ])
])
AM_CONDITIONAL(HAVE_TIZEN, test "${HAVE_TIZEN}" = "1")
384

385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
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
406
407
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
        ])
      ])
    ])
  ])
], [
  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}])
  CPPFLAGS="${CPPFLAGS} -I${CONTRIB_DIR}/include"
  CFLAGS="${CFLAGS} -I${CONTRIB_DIR}/include"
  CXXFLAGS="${CXXFLAGS} -I${CONTRIB_DIR}/include"
  OBJCFLAGS="${OBJCFLAGS} -I${CONTRIB_DIR}/include"
436
  export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
437
438
439
440
441
442
443
444
445
446
447
448
449
  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)

450
dnl Add extras/tools to the PATH
451
TOOLS_DIR="${srcdir}/extras/tools/build/bin"
452
453
AS_IF([test -d "${TOOLS_DIR}"], [
    TOOLS_DIR=`cd "${TOOLS_DIR}" && pwd`
454
    export PATH="${TOOLS_DIR}":$PATH
455
456
])

457
dnl
458
459
460
461
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
damienf's avatar
damienf committed
462
463
464
465

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
466
467
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
damienf's avatar
damienf committed
468

469
470
471
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
472

Luca Barbato's avatar
Luca Barbato committed
473
474
DOLT

damienf's avatar
damienf committed
475
476
lt_cv_deplibs_check_method=pass_all

477
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
478
479
480
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

481
482
483
dnl
dnl Gettext stuff
dnl
484
AM_GNU_GETTEXT_VERSION([0.19.6])
485
AM_GNU_GETTEXT([external], [need-formatstring-macros])
486

gbazin's avatar
gbazin committed
487
488
489
dnl
dnl Iconv stuff
dnl
490
AM_ICONV
gbazin's avatar
gbazin committed
491

492
493
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
494
AS_IF([test "${SYS}" = "mingw32"], [
495

496
497
498
499
500
501
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#if !defined(__MINGW32__)
# error Not compiling with mingw
#endif
    ])], [

502
dnl Check for broken versions of mingw-runtime compatability library
503
    AC_MSG_CHECKING(for broken mingw-runtime)
504
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
505
#include <_mingw.h>
506
507
508
509
510
#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
511
512
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
513
    ])], [
514
        AC_MSG_RESULT([ok])
515
    ], [
516
        AC_MSG_RESULT([present])
517
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
518
    ])
519

520
521
522
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

523
524
525
526
    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
527
    VLC_SAVE_FLAGS
gbazin's avatar
   
gbazin committed
528
    AC_CHECK_LIB(mingwex,opendir,
529
        AC_CHECK_LIB(mingw32,opendir,,
530
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
gbazin's avatar
   
gbazin committed
531
    )
Rafaël Carré's avatar
Rafaël Carré committed
532
    VLC_RESTORE_FLAGS
533
534
535
    ], [
        AC_MSG_RESULT([Not compiling with mingw])
    ])
gbazin's avatar
   
gbazin committed
536

537
    dnl Check for fnative-struct or mms-bitfields support for mingw32
538
539
540
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
gbazin's avatar
   
gbazin committed
541
542
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
543
544
545
546
547
        [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="${CXXFLAGS} -fnative-struct"
548
549
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
550
551
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
gbazin's avatar
   
gbazin committed
552
    fi
553
])
gbazin's avatar
   
gbazin committed
554

555

556
557
dnl
dnl Buggy glibc prevention. Purposedly not cached.
558
dnl See sourceware.org bugs 5058 and 5443.
559
560
561
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
562
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
563
564
565
566
567
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
568
])], [
569
570
571
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
572
  AS_IF([test "x${enable_nls}" != "xno"], [
573
574
    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
575
glibc run-time. Alternatively, build with --disable-nls.])
576
  ])
577
578
])

Sam Hocevar's avatar
Sam Hocevar committed
579
580
581
582
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

583
dnl Check for system libs needed
584
need_libc=false
585

586
dnl Check for usual libc functions
587
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
Thomas Guillem's avatar
Thomas Guillem committed
588
AC_CHECK_FUNCS([daemon fcntl flock fstatvfs fork getenv getpwuid_r isatty lstat memalign mkostemp mmap open_memstream openat pread posix_fadvise posix_madvise setlocale stricmp strnicmp strptime uselocale pthread_cond_timedwait_monotonic_np pthread_condattr_setclock])
589
AC_REPLACE_FUNCS([atof atoll dirfd fdopendir ffsll flockfile fsync getdelim getpid lldiv memrchr nrand48 poll posix_memalign recvmsg rewind sendmsg setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strnstr strsep strtof strtok_r strtoll swab tdestroy timegm timespec_get strverscmp])
590
AC_REPLACE_FUNCS([gettimeofday])
591
592
593
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
594

595
dnl mingw64 implements those as static inline, not functions with C linkage
596
597
VLC_REPLACE_DECL([asprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([vasprintf], [#include <stdio.h>])
598
599
VLC_REPLACE_DECL([gmtime_r], [#include <time.h>])
VLC_REPLACE_DECL([localtime_r], [#include <time.h>])
600

601
602
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
603
604
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
605
606
607
608
609
610
611
])], [
  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
612
# Windows CE does not have strcoll()
613
614
AC_FUNC_STRCOLL

615
dnl Check for non-standard system calls
616
617
case "$SYS" in
  "linux")
618
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity recvmmsg])
619
    ;;
620
621
622
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
623
esac
624

625
626
AH_BOTTOM([#include <vlc_fixups.h>])

627
628
629
630
631
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
632
#elif defined (_WIN32)
633
634
635
636
# include <winsock2.h>
#endif
])

637
638
639
640
dnl Check for struct timespec
AC_CHECK_TYPES([struct timespec],,,
[#include <time.h>])

641
dnl Checks for socket stuff
642
VLC_SAVE_FLAGS
643
644
645
646
647
648
649
650
651
652
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"
  ])
])
653

654
AC_SEARCH_LIBS([inet_pton], [nsl], [
Fabrizio Ge's avatar
Fabrizio Ge committed
655
656
 AS_IF([test "$ac_cv_search_inet_pton" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_inet_pton $SOCKET_LIBS"
657
658
659
  ])
],, [${SOCKET_LIBS}])

660
661
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
662
    AC_LANG_PROGRAM([#ifdef _WIN32
663
664
665
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
666
667
        #include <ws2tcpip.h>
        #else
668
        #include <sys/socket.h>
669
670
671
672
673
        #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])])
674
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
675
VLC_RESTORE_FLAGS
676
AC_SUBST(SOCKET_LIBS)
677

678
dnl Check for socklen_t
679
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
680
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
681
682
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
683
[#include <sys/types.h>
684
#ifdef _WIN32
685
# include <winsock2.h>
686
# include <ws2tcpip.h>
687
688
#else
# include <sys/socket.h>
689
690
691
692
693
#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)])
694

695
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
696
697
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
698
699
700
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
701
     #if defined( _WIN32 )
702
703
704
705
706
707
     # 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)])
708
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
709
710
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
711
])
712

713
714
715
716
717
718
719
720
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
721

Sam Hocevar's avatar
Sam Hocevar committed
722
AC_CHECK_LIB(m,cos,[
723
724
725
  LIBM="-lm"
], [
  LIBM=""
726
])
727
AC_SUBST(LIBM)
Sam Hocevar's avatar
   
Sam Hocevar committed
728

729
730
731
732
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
733
734
735
AC_CHECK_LIB(m,nanf,
  AC_DEFINE(HAVE_NANF, 1, [Define to 1 if you have the NANF function])
)
736

Sam Hocevar's avatar
Sam Hocevar committed
737
dnl Check for dynamic plugins
738
739
LIBDL=""
have_dynamic_objects="no"
740
VLC_SAVE_FLAGS
741
AC_SEARCH_LIBS(dlsym, [dl svld], [
742
743
  AS_IF([test "$ac_cv_search_dlsym" != "none required"], [
    LIBDL="$ac_cv_search_dlsym"
744
  ])
745
  have_dynamic_objects="yes"
746
])
747
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
748

749
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
750
AS_IF([test "${SYS}" = "mingw32"], [
751
  LIBDL=""
752
  have_dynamic_objects="yes" #assume we can use shared objects
753
])
754

755
756
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
757
])
Rafaël Carré's avatar
Rafaël Carré committed
758
759
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

760
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
761

762
dnl Check for thread library
763
764
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
765
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
766
767
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
768
769
770
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
771
772
  ])
  VLC_RESTORE_FLAGS
773
774
])
AC_SUBST(LIBPTHREAD)
gbazin's avatar
   
gbazin committed
775

776
777
778
779
780
781
782
783
AC_SEARCH_LIBS([clock_nanosleep], [rt pthread], [
  AS_IF([test "$ac_cv_search_clock_nanosleep" != "none required"], [
    LIBRT="$ac_cv_search_clock_nanosleep"
  ])
], [
  AC_SEARCH_LIBS([nanosleep], [rt pthread posix4], [
    AS_IF([test "$ac_cv_search_nanosleep" != "none required"], [
      LIBRT="$ac_cv_search_nanosleep"
784
    ])
785
  ])
786
])
787
AC_SUBST(LIBRT)
gbazin's avatar
   
gbazin committed
788

789
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
790
dnl Check for headers
791
792
dnl

793
dnl  POSIX
794
AC_CHECK_HEADERS([arpa/inet.h pthread.h search.h sys/shm.h sys/socket.h sys/uio.h])
795
796
797
798
799
AC_CHECK_HEADERS([net/if.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
])
800
801
802
AC_CHECK_HEADER([syslog.h], [have_syslog="yes"], [have_syslog="no"])
AM_CONDITIONAL([HAVE_SYSLOG], [test "$have_syslog" = "yes"])

803
804
dnl  BSD
AC_CHECK_HEADERS([netinet/udplite.h sys/param.h sys/mount.h])
805

806
dnl  GNU/Linux
807
AC_CHECK_HEADERS([features.h getopt.h linux/dccp.h linux/magic.h mntent.h sys/eventfd.h])
808

809
810
dnl  MacOS
AC_CHECK_HEADERS([xlocale.h])
Sam Hocevar's avatar
   
Sam Hocevar committed
811

812
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
813
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
814
815
816
817
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
818
819
820
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.
821
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
822
AC_ARG_VAR(PKG_CONFIG_PATH,
823
       [Paths where to find .pc not at the default location])
824
825
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
826
dnl On some OS we need static linking
827
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
828
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
829
830
831
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
832
833


834
835
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
836
dnl
837
838
839
840
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
841
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
842
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
843
    AC_CHECK_HEADERS([unzip.h], [
844
845
846
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
847
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
848
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
849
850
851
852
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
853
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
854
fi
855
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
856
857


858
859
860
861
862
863
864
865
866
867
868
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"
])


869
870
dnl Check for dbus
AC_ARG_ENABLE(dbus,
871
872
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
873
874
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
875
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
876
877
878
879
880
881
882
883
884
885
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
886

887
888
889
890
891
892
893
894
895
896

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
897
dnl Check for ntohl, etc.
898
899
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
900
AC_CACHE_CHECK([for ntohl in sys/param.h],
901
    [ac_cv_c_ntohl_sys_param_h],
902
    [     AC_TRY_COMPILE([#include <sys/param.h>],
903
        [int meuh; ntohl(meuh);],
904
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
905
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
906
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
907
fi
908
VLC_RESTORE_FLAGS
909
910
911
912
913

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
   
Sam Hocevar committed
914

915
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 format-security])
Pierre's avatar
Pierre committed
916
RDC_PROG_CC_FLAGS([-pipe])
917
AC_LANG_PUSH([C++])
918
RDC_PROG_CXX_WFLAGS([all extra sign-compare undef pointer-arith volatile-register-var format-security])
919
AC_LANG_POP([C++])
Sam Hocevar's avatar
   
Sam Hocevar committed
920

921
922
923
924
925
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
926
    [build with run-time assertions (default disabled)])],,
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
  [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}"
])

972
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
973
974
975
976
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
977
978
979
980
981
982
983
984
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
985
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
986
987
])

988

989
990
991
992
993
994
995
996
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
997
dnl Check for various optimization flags
998
999
AS_IF([test "${enable_optimizations}" != "no"], [

1000
  dnl -O3 only in production builds
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1001
  AS_IF([test "${enable_debug}" = "no"], [
1002
    VLC_SAVE_FLAGS
1003
1004
1005
1006
    CFLAGS="${CFLAGS} -O3"
    CXXFLAGS="${CXXFLAGS} -O3"
    OBJCFLAGS="${OBJCFLAGS} -O3"
    AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
1007
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
1008
        ac_cv_c_o3=yes
1009
      ], [
1010
        ac_cv_c_o3=no
1011
1012
      ])
    ])
1013
    AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
1014
  ])
1015

1016
1017
1018
1019
1020
1021
1022
  dnl Check for fast maths
  RDC_PROG_CC_FFLAGS([no-math-errno unsafe-math-optimizations no-rounding-math no-signaling-nans cx-limited-range])
  AC_LANG_PUSH(C++)
  RDC_PROG_CXX_FFLAGS([no-math-errno unsafe-math-optimizations no-rounding-math no-signaling-nans cx-limited-range])
  AC_LANG_POP

AH_BOTTOM([
1023
#if defined(_MSC_VER) && !defined(__clang__)
1024
1025
1026
1027
1028
1029
1030
# pragma fenv_access(off)
# pragma fp_contract(on)
#elif defined(__GNUC__)
/* Not supported so far */
#else
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
1031
1032
#endif
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1033

1034
  dnl Check for -funroll-loops
1035
1036
1037
1038
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
1039
1040
1041
1042
1043
1044
1045
  AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_unroll_loops=yes
    ], [
      ac_cv_c_unroll_loops=no
    ])
  ])
1046
  AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
1047
1048
1049

  AS_IF([test "$enable_debug" = "no"], [
    dnl Check for -fomit-frame-pointer
1050
1051
1052
1053
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -fomit-frame-pointer"
    CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
    OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
1054
1055
1056
1057
1058
1059
1060
1061
    AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
      [ac_cv_c_omit_frame_pointer], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_omit_frame_pointer=yes
      ], [
        ac_cv_c_omit_frame_pointer=no
      ])
    ])
1062
    AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
1063
1064
  ])
])
Sam Hocevar's avatar
   
Sam Hocevar committed
1065

1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
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)

1079
dnl Checks for __attribute__(aligned()) directive
1080
1081
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Werror"
1082
AC_CACHE_CHECK([__attribute__ ((aligned ())) support],
1083
1084
1085
1086
1087
1088
    [ac_cv_c_attribute_aligned],
    [ac_cv_c_attribute_aligned=0
    for ac_cv_c_attr_align_try in 2 4 8 16 32 64; do
        AC_TRY_COMPILE([],
        [static char c __attribute__ ((aligned(${ac_cv_c_attr_align_try}))) = 0; return c;],
        [ac_cv_c_attribute_aligned="${ac_cv_c_attr_align_try}"])
1089
1090
    done])
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
1091
if test "${ac_cv_c_attribute_aligned}" != "0"; then
1092
1093
    AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX],
        [${ac_cv_c_attribute_aligned}],[Maximum supported data alignment])
1094
1095
fi

1096
dnl Check for __attribute__((packed))