configure.ac 129 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 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="1996-2014"
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
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
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.])
59 60 61 62 63
AH_TOP([
#ifndef _REENTRANT
# define _REENTRANT
#endif
])
64 65
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
66
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
67

68 69
AM_PROG_CC_C_O
AC_PROG_CXX
70
AC_PROG_CPP
71 72 73
AC_PROG_OBJC
_AM_DEPENDENCIES([OBJC])
AC_PROG_EGREP
74 75
AC_PROG_MAKE_SET
AC_PROG_INSTALL
76
AM_PROG_AS
77

78 79
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
80
AC_CHECK_PROGS(YASM, yasm)
81

82 83 84
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE
85
AC_C_RESTRICT
86

87 88 89
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])

90
dnl Allow binary package maintainer to pass a custom string to avoid
91
dnl cache problem
92
AC_ARG_WITH(binary-version,
93 94
    AS_HELP_STRING([--with-binary-version=STRING],
         [To avoid plugins cache problem between binary version]),[],[])
95
AS_IF([test -n "${with_binary_version}"],[
96 97 98
    AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
         [Binary specific version])
])
99

Gildas Bazin's avatar
 
Gildas Bazin committed
100 101 102
dnl
dnl  Check the operating system
dnl
103
HAVE_WIN64="0"
104 105
HAVE_IOS="0"
HAVE_OSX="0"
Luca Barbato's avatar
Luca Barbato committed
106 107 108 109 110 111 112 113 114 115 116 117

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


118
case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
119
  "")
120 121
    SYS=unknown
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
122
  linux*)
123 124
    SYS=linux
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
125
  bsdi*)
126
    SYS=bsdi
127
    CFLAGS="${CFLAGS} -pthread"
128
    ;;
129 130
  freebsd*)
    SYS=freebsd
131
    CFLAGS="${CFLAGS} -pthread"
132 133 134 135 136 137 138 139 140 141 142 143 144
    CPPFLAGS="${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
145
    ;;
146
  darwin*)
147 148 149 150

    dnl Force gcc "-arch" flag
    ARCH_flag=""
    case "${host}" in
151
      i?86*)
152
        ARCH_flag="-arch i386"
Luca Barbato's avatar
Luca Barbato committed
153
        YASMFLAGS="-f macho32"
154 155 156 157 158 159 160 161 162
      ;;
      ppc64*)
        ARCH_flag="-arch ppc64"
      ;;
      ppc*)
        ARCH_flag="-arch ppc"
      ;;
      x86_64*)
        ARCH_flag="-arch x86_64"
Luca Barbato's avatar
Luca Barbato committed
163
        YASMFLAGS="-f macho64"
164
      ;;
165 166
      arm*)
        ac_cv_c_bigendian="no"
167
        ac_cv_c_attribute_packed="no"
168
      ;;
169 170
    esac

171
    SYS=darwin
172 173 174 175 176
    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}"
177
    VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
178
    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
179
    VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
180

181 182 183 184 185 186 187 188
    AC_EGREP_CPP(yes,
            [#import <TargetConditionals.h>
             #if TARGET_OS_IPHONE
             yes
             #endif],
             [HAVE_IOS="1"],
             [HAVE_OSX="1"])

189
    dnl Allow binaries created on Lion to run on earlier releases
190 191 192 193 194 195
    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
196 197 198
            AC_LIBOBJ([getdelim])
            AC_LIBOBJ([strndup])
            AC_LIBOBJ([strnlen])],)
199

200
    dnl
201
    dnl  Handle Mac OS X SDK flags
202 203
    dnl
    AC_ARG_WITH(macosx-sdk,
204 205
      [AS_HELP_STRING([--with-macosx-sdk=DIR],
        [compile using the SDK in DIR])])
206 207 208 209 210 211 212 213
    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 ${with_macosx_sdk}"
    fi
214
    AC_ARG_WITH(macosx-version-min,
215
      [AS_HELP_STRING([--with-macosx-version-min=VERSION],
216 217 218 219 220 221 222
        [compile for Mac OS X VERSION and above])])
    if test "${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}"
223
    fi
224
    ;;
225
  *mingw32* | *cygwin* | *wince* | *mingwce*)
226
    AC_CHECK_TOOL(WINDRES, windres, :)
227
    AC_CHECK_TOOL(OBJCOPY, objcopy, :)
228
    AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
229 230
    AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
    AH_TOP([#endif])
231
    AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
232 233
    AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
    AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
234 235 236 237 238 239 240 241
    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.])
Gildas Bazin's avatar
 
Gildas Bazin committed
242

243
    case "${host_os}" in
Sam Hocevar's avatar
Sam Hocevar committed
244
      *mingw32*)
Gildas Bazin's avatar
 
Gildas Bazin committed
245 246
        SYS=mingw32
        ;;
Sam Hocevar's avatar
Sam Hocevar committed
247
      *cygwin*)
Gildas Bazin's avatar
 
Gildas Bazin committed
248 249 250
        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,
251
            [#ifdef _WIN32
Gildas Bazin's avatar
 
Gildas Bazin committed
252 253
             yes
             #endif],
254
            SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
Gildas Bazin's avatar
 
Gildas Bazin committed
255 256 257
        ;;
    esac

Sam Hocevar's avatar
Sam Hocevar committed
258
    if test "${SYS}" = "mingw32"; then
259 260 261
        # DEP, ASLR, NO SEH
        LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"

262
        VLC_ADD_LIBS([libvlccore],[-lwinmm])
263
        VLC_ADD_LDFLAGS([vlc],[-mwindows])
Rafaël Carré's avatar
Rafaël Carré committed
264
        VLC_ADD_LIBS([win32text],[-lgdi32])
265
        AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
266 267
        ac_default_prefix="`pwd`/_win32"
        DESTDIR="`pwd`/_win32/"
268 269

        dnl
Ludovic Fauvet's avatar
Ludovic Fauvet committed
270
        dnl NSIS/MSI Installer prefix and WIN64
271 272
        dnl
        case "${host}" in
273
            amd64*|x86_64*)
274
                HAVE_WIN64="1"
Ludovic Fauvet's avatar
Ludovic Fauvet committed
275
                WINDOWS_ARCH="x64"
276
                PROGRAMFILES="PROGRAMFILES64"
Luca Barbato's avatar
Luca Barbato committed
277
                YASMFLAGS="-f win64"
278 279
            ;;
            *)
Ludovic Fauvet's avatar
Ludovic Fauvet committed
280
                WINDOWS_ARCH="x86"
281
                PROGRAMFILES="PROGRAMFILES"
Luca Barbato's avatar
Luca Barbato committed
282
                YASMFLAGS="-f win32"
283 284
            ;;
        esac
Ludovic Fauvet's avatar
Ludovic Fauvet committed
285
        AC_SUBST(WINDOWS_ARCH)
286 287
        AC_SUBST(PROGRAMFILES)

Gildas Bazin's avatar
 
Gildas Bazin committed
288
    fi
289
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
290
  *nto*)
291 292
    SYS=nto
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
293
  solaris*)
294 295
    SYS=solaris
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
296
  hpux*)
297 298
    SYS=hpux
    ;;
299 300 301
  symbian*)
    SYS=symbian
    ;;
KO Myung-Hun's avatar
KO Myung-Hun committed
302 303
  *os2*)
    SYS=os2
304
    LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
KO Myung-Hun's avatar
KO Myung-Hun committed
305
    ;;
Sam Hocevar's avatar
Sam Hocevar committed
306
  *)
307
    SYS="${host_os}"
308
    ;;
Gildas Bazin's avatar
 
Gildas Bazin committed
309
esac
Rémi Duraffort's avatar
Rémi Duraffort committed
310 311 312 313 314
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 "${HAVE_WIN64}" = "1")
315
AM_CONDITIONAL(HAVE_SYMBIAN, test "${SYS}" = "symbian")
316 317
AM_CONDITIONAL(HAVE_IOS,   test "${HAVE_IOS}" = "1")
AM_CONDITIONAL(HAVE_OSX,   test "${HAVE_OSX}" = "1")
318

Luca Barbato's avatar
Luca Barbato committed
319 320
AC_SUBST(YASMFLAGS)

321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349
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")


350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
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
371 372
          CONTRIB_DIR=""
          AC_MSG_RESULT([not found])
373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401
        ])
      ])
    ])
  ])
], [
  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"
402
  export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
403 404 405 406 407 408 409 410 411 412 413 414 415
  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)

416
dnl
417 418 419 420
dnl  Libtool
dnl  It's very bad, but our former custom system was worst
dnl  -- Courmisch
dnl
421 422 423 424

dnl override platform specific check for dependent libraries
dnl otherwise libtool linking of shared libraries will
dnl fail on anything other than pass_all.
Damien Fouilleul's avatar
Damien Fouilleul committed
425 426
AC_CACHE_VAL(lt_cv_deplibs_check_method,
    [lt_cv_deplibs_check_method=pass_all])
427

428 429 430
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
431

Luca Barbato's avatar
Luca Barbato committed
432 433
DOLT

434 435
lt_cv_deplibs_check_method=pass_all

436
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
437 438 439
  AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])

440 441 442
dnl
dnl Gettext stuff
dnl
443
AM_GNU_GETTEXT_VERSION([0.18.3])
444
AM_GNU_GETTEXT([external], [need-ngettext])
445

446 447 448
dnl
dnl Iconv stuff
dnl
449
AM_ICONV
450

451 452
dnl
dnl checks for mingw
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
453
AS_IF([test "${SYS}" = "mingw32"], [
454
dnl Check for broken versions of mingw-runtime compatability library
455
    AC_MSG_CHECKING(for broken mingw-runtime)
456
    AC_PREPROC_IFELSE([AC_LANG_SOURCE([
457
#include <_mingw.h>
458 459 460 461 462
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
#  error Attempting to use mingw-runtime with broken vsnprintf and direct2d support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
463 464
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
465
    ])], [
466
        AC_MSG_RESULT([ok])
467
    ], [
468
        AC_MSG_RESULT([present])
469
        AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
470
    ])
471 472 473
    dnl force use of mingw provided c99 *printf over msvcrt
    CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"

Gildas Bazin's avatar
 
Gildas Bazin committed
474
dnl Check for the need to include the mingwex lib for mingw32
Rafaël Carré's avatar
Rafaël Carré committed
475
    VLC_SAVE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
476
    AC_CHECK_LIB(mingwex,opendir,
477
        AC_CHECK_LIB(mingw32,opendir,,
478
            [VLC_ADD_LIBS([libvlccore],[-lmingwex])])
Gildas Bazin's avatar
 
Gildas Bazin committed
479
    )
Rafaël Carré's avatar
Rafaël Carré committed
480
    VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
481

Gildas Bazin's avatar
 
Gildas Bazin committed
482
dnl Check for fnative-struct or mms-bitfields support for mingw32
483 484 485
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -mms-bitfields"
    CXXFLAGS="${CXXFLAGS} -mms-bitfields"
Gildas Bazin's avatar
 
Gildas Bazin committed
486 487
    AC_CACHE_CHECK([if \$CC accepts -mms-bitfields],
        [ac_cv_c_mms_bitfields],
488 489 490 491 492
        [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="${CXXFLAGS} -fnative-struct"
493 494
        AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
            [ac_cv_c_fnative_struct],
495 496
            [AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
        "${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
497
    fi
498
])
Gildas Bazin's avatar
 
Gildas Bazin committed
499

500 501 502 503
AC_ARG_ENABLE(winstore_app,
     AS_HELP_STRING([--enable-winstore-app],
                    [Build targetted for Windows Store apps (default disabled)]))

504
vlc_winstore_app=0
505 506 507 508
AS_IF([test "${SYS}" = "mingw32" -a "${enable_winstore_app}" = "yes"], [
    vlc_winstore_app=1
    VLC_ADD_LIBS([libvlccore], [-lole32 -lruntimeobject])
    ])
509
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
510
AM_CONDITIONAL([HAVE_WINSTORE], [test "$vlc_winstore_app" = "1"])
511 512


513 514
dnl
dnl Buggy glibc prevention. Purposedly not cached.
515
dnl See sourceware.org bugs 5058 and 5443.
516 517 518
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
519
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
520 521 522 523 524
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
  && (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
525
])], [
526 527 528
  AC_MSG_RESULT([not present])
], [
  AC_MSG_RESULT([found])
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
529
  AS_IF([test "x${enable_nls}" != "xno"], [
530 531
    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
532
glibc run-time. Alternatively, build with --disable-nls.])
533
  ])
534 535
])

Sam Hocevar's avatar
Sam Hocevar committed
536 537 538 539
dnl Plugin compilation stuff

VLC_LIBRARY_SUFFIX

540
dnl Check for system libs needed
541
need_libc=false
542

543
dnl Check for usual libc functions
544
AC_CHECK_DECLS([nanosleep],,,[#include <time.h>])
545
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])
546
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])
547 548 549
AC_CHECK_FUNCS(fdatasync,,
  [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
Sam Hocevar's avatar
 
Sam Hocevar committed
550

551 552 553 554 555 556
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;
557
    ])],[AC_DEFINE([HAVE_ASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([asprintf])])
558
AC_LINK_IFELSE([
559 560
    AC_LANG_PROGRAM([#include <stdio.h>
                     #include <stdarg.h>], [
561 562 563 564
        char *c;
        va_list ap;
        if (vasprintf(&c, "%s %d", ap) == -1)
            c = NULL;
565
    ])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
566

567 568
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
569 570
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
571 572 573 574 575 576 577
])], [
  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
578
# Windows CE does not have strcoll()
579 580
AC_FUNC_STRCOLL

581
dnl Check for non-standard system calls
582 583 584 585
case "$SYS" in
  "linux")
    AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity])
    ;;
586 587 588
  "mingw32")
    AC_CHECK_FUNCS([_lock_file])
    ;;
589
esac
590

591 592
AH_BOTTOM([#include <vlc_fixups.h>])

593 594 595 596 597
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
598
#elif defined (_WIN32)
599 600 601 602
# include <winsock2.h>
#endif
])

603
dnl Checks for socket stuff
604
VLC_SAVE_FLAGS
605 606 607 608 609 610 611 612 613 614
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"
  ])
])
615

616
AC_SEARCH_LIBS([inet_pton], [nsl], [
617 618 619 620 621
 AS_IF([test "$ac_cv_search_getaddrinfo" != "none required"], [
    SOCKET_LIBS="$ac_cv_search_getaddrinfo $SOCKET_LIBS"
  ])
],, [${SOCKET_LIBS}])

622 623
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
624
    AC_LANG_PROGRAM([#ifdef _WIN32
625 626 627
        # if _WIN32_WINNT < 0x600
        #  error Needs vista+
        # endif
628 629
        #include <ws2tcpip.h>
        #else
630
        #include <sys/socket.h>
631 632 633 634 635
        #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])])
636
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
637
VLC_RESTORE_FLAGS
638

639
AS_IF([test -n "$SOCKET_LIBS"], [
640
  VLC_ADD_LIBS([access_rtmp access_output_shout sap stream_out_standard stream_out_rtp stream_out_raop vod_rtsp oldrc netsync gnutls ts remoteosd audiobargraph_a],[${SOCKET_LIBS}])
641 642
])
AC_SUBST(SOCKET_LIBS)
643

644
dnl Check for socklen_t
645
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
Rafaël Carré's avatar
Rafaël Carré committed
646
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
647 648
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
649
[#include <sys/types.h>
650
#ifdef _WIN32
651
# include <winsock2.h>
652
# include <ws2tcpip.h>
653 654
#else
# include <sys/socket.h>
655 656 657 658 659
#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)])
660

661
dnl Check for struct sockaddr_storage
Rafaël Carré's avatar
Rafaël Carré committed
662 663
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
664 665 666
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
667
     #if defined( _WIN32 )
668 669 670 671 672 673
     # 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)])
674
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
675 676
  AC_DEFINE(sockaddr_storage, sockaddr)
  AC_DEFINE(ss_family, sa_family)
677
])
678

679 680 681 682 683 684 685 686
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
687

Sam Hocevar's avatar
Sam Hocevar committed
688
AC_CHECK_LIB(m,cos,[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
689
  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])
690 691 692
  LIBM="-lm"
], [
  LIBM=""
693
])
694
AC_SUBST(LIBM)
Sam Hocevar's avatar
 
Sam Hocevar committed
695

696 697 698 699 700
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
701
dnl Check for dynamic plugins
702 703
LIBDL=""
have_dynamic_objects="no"
704
VLC_SAVE_FLAGS
705 706 707 708
AC_SEARCH_LIBS(dlopen, [dl svld], [
  AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
    LIBDL="$ac_cv_search_dlopen"
  ])
709
  have_dynamic_objects="yes"
710
])
711
VLC_RESTORE_FLAGS
Sam Hocevar's avatar
Sam Hocevar committed
712

713
# Windows
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
714
AS_IF([test "${SYS}" = "mingw32"], [
715
  LIBDL=""
716
  have_dynamic_objects="yes" #assume we can use shared objects
717
])
718

719 720
AS_IF([test "${enable_shared}" = "no"], [
  have_dynamic_objects=no
721
])
Rafaël Carré's avatar
Rafaël Carré committed
722 723
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])

724
AC_SUBST(LIBDL)
Sam Hocevar's avatar
Sam Hocevar committed
725

726
dnl Check for thread library
727 728
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
Rafaël Carré's avatar
Rafaël Carré committed
729
  VLC_SAVE_FLAGS
Rafaël Carré's avatar
Rafaël Carré committed
730 731
  LIBS=""
  AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
732 733 734
    AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
      LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
    ])
Rafaël Carré's avatar
Rafaël Carré committed
735 736
  ])
  VLC_RESTORE_FLAGS
Gildas Bazin's avatar
 
Gildas Bazin committed
737

738 739 740
  AC_CHECK_LIB(rt, clock_nanosleep, [
    VLC_ADD_LIBS([libvlccore],[-lrt])
  ], [
741 742 743 744 745 746 747 748 749
    AC_CHECK_FUNC(nanosleep,,[
      AC_CHECK_LIB(rt,nanosleep, [
        VLC_ADD_LIBS([libvlccore],[-lrt])
      ], [
        AC_CHECK_LIB(posix4,nanosleep, [
          VLC_ADD_LIBS([libvlccore],[-lposix4])
        ])
      ])
    ])
750 751 752
    dnl HP/UX port
    AC_CHECK_LIB(rt,sem_init, [VLC_ADD_LIBS([libvlccore],[-lrt])])
  ])
753 754
])
AC_SUBST(LIBPTHREAD)
Gildas Bazin's avatar
 
Gildas Bazin committed
755

Sam Hocevar's avatar
 
Sam Hocevar committed
756
dnl Check for headers
757
AC_CHECK_HEADERS([search.h])
758
AC_CHECK_HEADERS(getopt.h locale.h xlocale.h)
759
AC_CHECK_HEADERS([sys/time.h sys/ioctl.h])
760
AC_CHECK_HEADERS([arpa/inet.h netinet/udplite.h sys/eventfd.h])
761 762
AC_CHECK_HEADERS([net/if.h], [], [],
  [
763
    #include <sys/types.h>
764
    #include <sys/socket.h>
765
  ])
766 767 768 769
AC_CHECK_HEADERS([sys/mount.h], [], [],
  [
    #include <sys/param.h>
  ])
770

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
771
if test "${SYS}" != "mingw32"; then
772 773
  AC_CHECK_HEADERS(machine/param.h sys/shm.h)
  AC_CHECK_HEADERS([linux/version.h linux/dccp.h scsi/scsi.h linux/magic.h])
774
  AC_CHECK_HEADERS(syslog.h mntent.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
775
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
 
Sam Hocevar committed
776

777
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
Rafaël Carré's avatar
Rafaël Carré committed
778
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
779 780 781 782
AC_CHECK_TYPE(ssize_t,, [
  AC_DEFINE(ssize_t, int)
])

Sam Hocevar's avatar
 
Sam Hocevar committed
783
dnl Check for threads library
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
784
if test "${SYS}" != "mingw32"; then
785
  AC_CHECK_HEADERS(pthread.h)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
786
fi # end "${SYS}" != "mingw32"
Sam Hocevar's avatar
 
Sam Hocevar committed
787

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
788 789 790
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.
791
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
792
AC_ARG_VAR(PKG_CONFIG_PATH,
793
       [Paths where to find .pc not at the default location])
794 795
PKG_PROG_PKG_CONFIG()

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
796
dnl On some OS we need static linking
797
AS_IF([test -n "${PKG_CONFIG}" ],[
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
798
    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
799 800 801
        PKG_CONFIG="${PKG_CONFIG} --static"
    ])
])
802 803


804 805
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
806
dnl
807 808 809 810
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
811
  VLC_ADD_LIBS([skins2 sap unzip zip],[-lz])
812
  PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
813
    AC_CHECK_HEADERS([unzip.h], [
814 815 816
      have_minizip=yes
      MINIZIP_LIBS="-lminizip -lz"
    ], [
817
      VLC_ADD_CPPFLAGS([skins2], [-I\\\$(top_srcdir)/modules/access/zip/unzip])
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
818
      VLC_ADD_LIBS([skins2], [\\\$(top_builddir)/modules/libunzip.la])
819 820 821 822
      have_minizip=no
    ])
  ])
  VLC_ADD_CPPFLAGS([skins2],[$MINIZIP_CFLAGS])
823
  VLC_ADD_LIBS([skins2],[$MINIZIP_LIBS])
824
fi
825
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
826 827


828 829 830 831 832 833 834 835 836 837 838
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"
])


839 840
dnl Check for dbus
AC_ARG_ENABLE(dbus,
841 842
  [AS_HELP_STRING([--enable-dbus],
    [compile D-Bus message bus support (default enabled)])])
843 844
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
845
  PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
846 847 848 849 850 851 852 853 854 855
    have_dbus="yes"
  ], [
    AS_IF([test -n "${enable_dbus}"], [
      AC_MSG_ERROR([${DBUS_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${DBUS_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_DBUS], [test "${have_dbus}" = "yes"])
856

Sam Hocevar's avatar
 
Sam Hocevar committed
857
dnl Check for ntohl, etc.
858 859
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -Wall -Werror"
860
AC_CACHE_CHECK([for ntohl in sys/param.h],
861
    [ac_cv_c_ntohl_sys_param_h],
862
    [     AC_TRY_COMPILE([#include <sys/param.h>],
863
        [int meuh; ntohl(meuh);],
864
        ac_cv_c_ntohl_sys_param_h=yes, ac_cv_c_ntohl_sys_param_h=no)])
Sam Hocevar's avatar
Sam Hocevar committed
865
if test "${ac_cv_c_ntohl_sys_param_h}" != "no"; then
866
    AC_DEFINE(NTOHL_IN_SYS_PARAM_H, 1, Define if <sys/param.h> defines ntohl.)
867
fi
868
VLC_RESTORE_FLAGS
869 870 871 872 873

EXTEND_HELP_STRING([Optimization options:])
dnl
dnl  Compiler warnings
dnl
Sam Hocevar's avatar
 
Sam Hocevar committed
874

875
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
876
RDC_PROG_CC_FLAGS([-pipe])
877 878 879
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
880

881 882 883 884 885
dnl
dnl  Debugging mode
dnl
AC_ARG_ENABLE(debug,
  [AS_HELP_STRING([--enable-debug],
886
    [build with run-time assertions (default disabled)])],,
887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
  [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}"
])

932
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
933 934 935 936
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -fvisibility=hidden"
  CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
  OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
937 938 939 940 941 942 943 944
  AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
                 [ac_cv_c_visibility_hidden], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_visibility_hidden=yes
    ], [
      ac_cv_c_visibility_hidden=no
    ])
  ])
945
  AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
946 947
])

948

949 950 951 952 953 954 955 956
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
957
dnl Check for various optimization flags
958 959 960 961
AS_IF([test "${enable_optimizations}" != "no"], [

  dnl -O4 and -O3 only in production builds
  AS_IF([test "{enable_debug}" = "no"], [
962 963 964 965
    VLC_SAVE_FLAGS
    CFLAGS="${CFLAGS} -O4"
    CXXFLAGS="${CXXFLAGS} -O4"
    OBJCFLAGS="${OBJCFLAGS} -O4"
966 967 968 969 970 971 972
    AC_CACHE_CHECK([if $CC accepts -O4], [ac_cv_c_o4], [
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
        ac_cv_c_o4=yes
      ], [
        ac_cv_c_o4=no
      ])
    ])
973 974 975 976 977
    AS_IF([test "${ac_cv_c_o4}" = "no"], [
      VLC_RESTORE_FLAGS
      CFLAGS="${CFLAGS} -O3"
      CXXFLAGS="${CXXFLAGS} -O3"
      OBJCFLAGS="${OBJCFLAGS} -O3"
978 979 980 981 982 983 984
      AC_CACHE_CHECK([if $CC accepts -O3],  [ac_cv_c_o3], [
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
          ac_cv_c_o3=yes
        ], [
          ac_cv_c_o3=no
        ])
      ])
985
      AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
986 987
    ])
  ])
988

989
  dnl Check for -ffast-math
990 991 992 993
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -ffast-math"
  CXXFLAGS="${CXXFLAGS} -ffast-math"
  OBJCFLAGS="${OBJCFLAGS} -ffast-math"
994 995 996 997 998 999 1000
  AC_CACHE_CHECK([if $CC accepts -ffast-math], [ac_cv_c_fast_math], [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
      ac_cv_c_fast_math=yes
    ], [
      ac_cv_c_fast_math=no
    ])
  ])
1001
  AS_IF([test "${ac_cv_c_fast_math}" = "no"], [VLC_RESTORE_FLAGS])
1002 1003 1004 1005 1006 1007
  AH_BOTTOM([
#ifndef __FAST_MATH__
# pragma STDC FENV_ACCESS OFF
# pragma STDC FP_CONTRACT ON
#endif
])
Sam Hocevar's avatar
 
Sam Hocevar committed
1008

1009
  dnl Check for -funroll-loops
1010 1011 1012 1013
  VLC_SAVE_FLAGS
  CFLAGS="${CFLAGS} -funroll-loops"
  CXXFLAGS="${CXXFLAGS} -funroll-loops"
  OBJCFLAGS="${OBJCFLAGS} -funroll-loops"