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AC_COPYRIGHT([Copyright 1999-2017 VLC authors and VideoLAN])
AC_INIT(vlc, 3.0.0-git)
VERSION_MAJOR=3
VERSION_MINOR=0
PKGDIR="vlc"
AC_SUBST(PKGDIR)

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CONFIGURE_LINE="`echo "$0 $ac_configure_args" | sed -e 's/\\\/\\\\\\\/g'`"
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AC_CONFIG_SRCDIR(src/libvlc.c)
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_LIBOBJ_DIR(compat)
AC_CANONICAL_HOST
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AM_INIT_AUTOMAKE(tar-ustar color-tests foreign)
AC_CONFIG_HEADERS([config.h])
AM_MAINTAINER_MODE([enable])
dnl
dnl Directories
dnl
dnl vlcincludedir="\${includedir}/\${PKGDIR}"
dnl AC_SUBST(vlcincludedir)
vlcdatadir="\${datadir}/\${PKGDIR}"
AC_SUBST(vlcdatadir)
vlclibdir="\${libdir}/\${PKGDIR}"
AC_SUBST(vlclibdir)
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.])
AH_TOP([
#ifndef _REENTRANT
# define _REENTRANT
#endif
])
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
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AM_PROG_CC_C_O
AC_PROG_CXX

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AC_PROG_CPP
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${DESKTOP_FILE_VALIDATE} desktop-file-validate], :)
AC_ARG_VAR([BUILDCC], [Build system C11 or C99 compiler command])
AC_CHECK_PROGS(BUILDCC, [c11-gcc c11 c99-gcc c99], [false])
AS_IF([test "$BUILDCC" = "false"], [
AC_MSG_ERROR([Cannot find native C99 compiler: please define BUILDCC.])
])
dnl Check for compiler properties
AC_C_CONST
AC_C_INLINE

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AC_C_RESTRICT
AX_CXX_COMPILE_STDCXX_11(noext, mandatory)
dnl Extend the --help string at the current spot.
AC_DEFUN([EXTEND_HELP_STRING], [m4_divert_once([HELP_ENABLE], [$1])])
dnl Allow binary package maintainer to pass a custom string to avoid
AS_HELP_STRING([--with-binary-version=STRING],
[To avoid plugins cache problem between binary version]),[],[])
AS_IF([test -n "${with_binary_version}"],[
AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
[Binary specific version])
])
dnl Prevent clang from accepting unknown flags with a mere warning
AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CXXFLAGS])

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HAVE_IOS="0"
HAVE_OSX="0"
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SYS=unknown
;;
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SYS=linux
;;
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SYS=bsdi
CFLAGS="${CFLAGS} -pthread"
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;;
CFLAGS="${CFLAGS} -pthread"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include"
LDFLAGS="${LDFLAGS} -L/usr/local/lib"
ac_cv_ld_z_defs=no
;;
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
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;;
dnl Force gcc "-arch" flag
ARCH_flag=""
case "${host}" in
ARCH_flag="-arch i386"
;;
ppc64*)
ARCH_flag="-arch ppc64"
;;
ppc*)
ARCH_flag="-arch ppc"
;;
x86_64*)
ARCH_flag="-arch x86_64"
;;

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arm*)
ac_cv_c_bigendian="no"
ac_cv_c_attribute_packed="no"

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;;
esac
CFLAGS="${CFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag}"
CXX="${CXX} -stdlib=libc++ -std=c++11"
CXXFLAGS="${CXXFLAGS} -D_INTL_REDIRECT_MACROS ${ARCH_flag}"
CPPFLAGS="${CPPFLAGS} ${ARCH_flag}"
OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu11 ${ARCH_flag} -Werror=partial-availability"
LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])

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AC_EGREP_CPP(yes,
[#import <TargetConditionals.h>
#if TARGET_OS_IPHONE
yes
#endif],
[HAVE_IOS="1"],
[HAVE_OSX="1"])
AC_EGREP_CPP(yes,
[#import <TargetConditionals.h>
#if TARGET_OS_TV
yes
#endif],
[HAVE_TVOS="1"
HAVE_IOS="0"
HAVE_OSX="0"
],)
dnl Allow binaries created on Lion to run on earlier releases
AC_EGREP_CPP(yes,
[#import <Cocoa/Cocoa.h>
#ifdef MAC_OS_X_VERSION_10_7
yes
#endif],
[AC_MSG_RESULT([yes])
AC_LIBOBJ([getdelim])
AC_LIBOBJ([strndup])
AC_LIBOBJ([strnlen])],)
dnl

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dnl Handle Mac OS X SDK flags
dnl
AC_ARG_WITH(macosx-sdk,
[AS_HELP_STRING([--with-macosx-sdk=DIR],
[compile using the SDK in DIR])])

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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
AC_ARG_WITH(macosx-version-min,
[AS_HELP_STRING([--with-macosx-version-min=VERSION],

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[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=${with_macosx_version_min}"
fi
*mingw32* | *cygwin* | *wince* | *mingwce*)
dnl Force libtool to not link to (shared) libgcc_s when detecting C++ dependencies
dnl When doing this test with -static-libgcc it will link on (static) libgcc_eh
CXXFLAGS="${CXXFLAGS} -static-libgcc"
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AC_CHECK_TOOL(WINDRES, windres, :)
AC_CHECK_TOOL(OBJCOPY, objcopy, :)
AH_TOP([#if defined(_WIN32) && !defined(_WIN32_WINNT)])
AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
AH_TOP([#endif])
AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
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.])
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,
SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
# DEP, ASLR, NO SEH
LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"
AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
ac_default_prefix="`pwd`/_win32"
DESTDIR="`pwd`/_win32/"
PROGRAMFILES="PROGRAMFILES64"
LDFLAGS="${LDFLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x140000000"
PROGRAMFILES="PROGRAMFILES"
;;
esac
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;;
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SYS=nto
;;
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SYS=solaris
;;
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SYS=hpux
;;
LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
*nacl*)
SYS=nacl
AC_DEFINE([_XOPEN_SOURCE], [700], [POSIX and XPG 7th edition])
AC_LIBOBJ([recvmsg])
AC_LIBOBJ([sendmsg])
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;;
dnl WinRT
AC_ARG_ENABLE(winstore_app,
AS_HELP_STRING([--enable-winstore-app],
[Build targetted for Windows Store apps (default disabled)]))
vlc_winstore_app=0
AS_IF([test "${SYS}" = "mingw32"],[
AS_IF([test "${enable_winstore_app}" = "yes"], [
vlc_winstore_app=1
VLC_ADD_LIBS([libvlccore], [-lruntimeobject])
AC_LIBOBJ([gai_strerror])
],[])
])
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
AM_CONDITIONAL(HAVE_LINUX, test "${SYS}" = "linux")
AM_CONDITIONAL(HAVE_OS2, test "${SYS}" = "os2")
AM_CONDITIONAL(HAVE_DARWIN, test "${SYS}" = "darwin")
AM_CONDITIONAL(HAVE_IOS, test "${HAVE_IOS}" = "1")
AM_CONDITIONAL(HAVE_OSX, test "${HAVE_OSX}" = "1")
AM_CONDITIONAL(HAVE_TVOS, test "${HAVE_TVOS}" = "1")
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AM_CONDITIONAL(HAVE_NACL, test "${SYS}" = "nacl")
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 "$vlc_winstore_app" = "1"])
AM_CONDITIONAL([HAVE_WIN32_DESKTOP], [test "${SYS}" = "mingw32" -a "$vlc_winstore_app" = "0"])
dnl
dnl Sadly autoconf does not think about testing foo.exe when ask to test
dnl for program foo on win32
case "${build_os}" in
ac_executable_extensions=".exe"
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")
dnl Tizen (minimum SDK version: 2.3)
AS_IF([test "$SYS" = linux],[
AC_MSG_CHECKING([for Tizen])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
[[#include <tizen.h>
]],[[;]])
],[
AC_DEFINE([HAVE_TIZEN_SDK], [1], [Define to 1 if vlc is built against Tizen SDK])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
AM_CONDITIONAL(HAVE_TIZEN, test "${HAVE_TIZEN}" = "1")
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=""
AC_MSG_RESULT([not found])
])
])
], [
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 -F${CONTRIB_DIR} -F${CONTRIB_DIR}/Frameworks"
export PKG_CONFIG_PATH="${CONTRIB_DIR}/lib/pkgconfig:$PKG_CONFIG_PATH"
LDFLAGS="${LDFLAGS} -L${CONTRIB_DIR}/lib"
AS_IF([test -z "$LUAC"], [
dnl Old contribs mixed cross-tools and cross-compiled executables
AS_IF([test -x "${CONTRIB_DIR}/bin/luac${BUILDEXEEXT}"], [
LUAC="${CONTRIB_DIR}/bin/luac${BUILDEXEEXT}"
])
dnl Newer contribs follow usual name space rules
AS_IF([test -x "${CONTRIB_DIR}/../bin/${host_alias}-luac${BUILDEXEEXT}"], [
LUAC="${CONTRIB_DIR}/../bin/${host_alias}-luac${BUILDEXEEXT}"
AS_IF([test "${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)
dnl Add extras/tools to the PATH
TOOLS_DIR="${srcdir}/extras/tools/build/bin"
AS_IF([test -d "${TOOLS_DIR}"], [
TOOLS_DIR=`cd "${TOOLS_DIR}" && pwd`
export PATH="${TOOLS_DIR}":$PATH
dnl Libtool
dnl It's very bad, but our former custom system was worst
dnl -- Courmisch
dnl
dnl override platform specific check for dependent libraries
dnl otherwise libtool linking of shared libraries will
dnl fail on anything other than pass_all.
AC_CACHE_VAL(lt_cv_deplibs_check_method,
[lt_cv_deplibs_check_method=pass_all])
LT_INIT([dlopen win32-dll shared disable-static])
LT_LANG([C++])
LT_LANG([Windows Resource])
AS_IF([test "${enable_shared}" = "no" -a "${enable_vlc}" != "no"], [
AC_MSG_ERROR([VLC is based on plugins. Shared libraries cannot be disabled.])
])
dnl
dnl Gettext stuff
dnl
AM_GNU_GETTEXT_VERSION([0.19.8])
AM_GNU_GETTEXT([external], [need-formatstring-macros])
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AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#if !defined(__MINGW32__)
# error Not compiling with mingw
#endif
])], [
dnl Check for broken versions of mingw-runtime compatability library
AC_MSG_CHECKING(for broken mingw-runtime)
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#include <_mingw.h>
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
# error Attempting to use mingw-runtime with broken vsnprintf support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
AC_MSG_RESULT([ok])
AC_MSG_RESULT([present])
AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
dnl force use of mingw provided c99 *printf over msvcrt
CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"
dnl Check for the need to include the mingwex lib for mingw32
AC_CHECK_LIB(mingw32,opendir,,
[VLC_ADD_LIBS([libvlccore],[-lmingwex])])
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], [
AC_MSG_RESULT([Not compiling with mingw])
])
dnl Check for fnative-struct or mms-bitfields support for mingw32
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -mms-bitfields"
CXXFLAGS="${CXXFLAGS} -mms-bitfields"
[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="${CXXFLAGS} -fnative-struct"
AC_CACHE_CHECK([if \$CC accepts -fnative-struct],
[ac_cv_c_fnative_struct],
[AC_TRY_COMPILE([],,ac_cv_c_fnative_struct=yes, ac_cv_c_fnative_struct=no)])
"${ac_cv_c_fnative_struct}" = "no" && VLC_RESTORE_FLAGS
dnl
dnl Buggy glibc prevention. Purposedly not cached.
dnl See sourceware.org bugs 5058 and 5443.
dnl Ubuntu alone has 20 bug numbers for this...
dnl
AC_MSG_CHECKING(for buggy GNU/libc versions)
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#include <limits.h>
#if defined (__GLIBC__) && (__GLIBC__ == 2) \
&& (__GLIBC_MINOR__ >= 5) && (__GLIBC_MINOR__ <= 7)
# error GNU/libc with dcgettext killer bug!
#endif
AC_MSG_RESULT([not present])
], [
AC_MSG_RESULT([found])
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
glibc run-time. Alternatively, build with --disable-nls.])
])
])
dnl Plugin compilation stuff
VLC_LIBRARY_SUFFIX
dnl Check for system libs needed
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need_libc=false
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dnl Check for usual libc functions
AC_CHECK_FUNCS([daemon fcntl flock fstatvfs fork getenv getpwuid_r isatty lstat memalign mkostemp mmap open_memstream openat pread posix_fadvise posix_madvise posix_memalign setlocale stricmp strnicmp strptime tdestroy uselocale])
AC_REPLACE_FUNCS([aligned_alloc atof atoll dirfd fdopendir ffsll flockfile fsync getdelim getpid lldiv memrchr nrand48 poll recvmsg rewind sendmsg setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strnstr strsep strtof strtok_r strtoll swab tfind timegm timespec_get strverscmp pathconf])
AC_REPLACE_FUNCS([gettimeofday])
[AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
VLC_REPLACE_DECL([realpath], [#include <stdlib.h>])
dnl mingw64 implements those as static inline, not functions with C linkage
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VLC_REPLACE_DECL([asprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([vasprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([gmtime_r], [#include <time.h>])
VLC_REPLACE_DECL([localtime_r], [#include <time.h>])
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define to 1 if <assert.h> defines static_assert.])
], [
AC_MSG_RESULT([no])
])
dnl Check for non-standard system calls
case "$SYS" in
"linux")
AC_CHECK_FUNCS([accept4 pipe2 eventfd vmsplice sched_getaffinity recvmmsg])
"mingw32")
AC_CHECK_FUNCS([_lock_file])
;;

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AH_BOTTOM([#include <vlc_fixups.h>])
dnl Check for struct pollfd
AC_CHECK_TYPES([struct pollfd],,,
[#include <sys/types.h>
#if HAVE_POLL
# include <poll.h>
# include <winsock2.h>
#endif
])
dnl Check for struct timespec
AC_CHECK_TYPES([struct timespec],,,
[#include <time.h>])
dnl Check for max_align_t
AC_CHECK_TYPES([max_align_t],,,
[#include <stddef.h>])
VLC_SAVE_FLAGS
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 "${SYS}" = "mingw32"], [
SOCKET_LIBS="-lws2_32"
])
])
AC_SEARCH_LIBS([inet_pton], [nsl], [
AS_IF([test "$ac_cv_search_inet_pton" != "none required"], [
SOCKET_LIBS="$ac_cv_search_inet_pton $SOCKET_LIBS"
])
],, [${SOCKET_LIBS}])
LIBS="${LIBS} ${SOCKET_LIBS}"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([#ifdef _WIN32
# if _WIN32_WINNT < 0x600
# error Needs vista+
# endif
#include <sys/socket.h>
#include <arpa/inet.h>
#endif], [
char dst[[sizeof(struct in_addr)]];
inet_pton(AF_INET, "127.0.0.1", dst);
])],[AC_DEFINE([HAVE_INET_PTON],[1],[Define to 1 if you have inet_pton function])],[AC_LIBOBJ([inet_pton])])
AC_CHECK_FUNCS([if_nameindex if_nametoindex])
VLC_RESTORE_FLAGS
AH_TEMPLATE(socklen_t, [Define to `int' if <sys/socket.h> does not define.])
AC_CACHE_CHECK([for socklen_t in sys/socket.h], dnl ` (fix VIM syntax highlight
ac_cv_type_socklen_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <sys/types.h>
#else
# include <sys/socket.h>
#endif]], [[socklen_t len; len = 0;]])],
ac_cv_type_socklen_t=yes,
ac_cv_type_socklen_t=no)])
AS_IF([test "$ac_cv_type_socklen_t" = no],
[AC_DEFINE(socklen_t, int)])
dnl Check for struct sockaddr_storage
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
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
[AC_TRY_COMPILE(
[#include <sys/types.h>
# 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)])
AS_IF([test "${ac_cv_struct_sockaddr_storage}" = no], [
AC_DEFINE(sockaddr_storage, sockaddr)
AC_DEFINE(ss_family, sa_family)
dnl FreeBSD has a gnugetopt library for this:
GNUGETOPT_LIBS=""
AC_CHECK_FUNC(getopt_long,, [
AC_CHECK_LIB([gnugetopt],[getopt_long], [
GNUGETOPT_LIBS="-lgnugetopt"
])
])
AC_SUBST(GNUGETOPT_LIBS)
LIBM="-lm"
], [
LIBM=""
AC_CHECK_LIB(m,lrintf, [
AC_DEFINE(HAVE_LRINTF, 1, [Define to 1 if you have the lrintf function])
VLC_ADD_LIBS([skins2],[-lm])
])
AC_CHECK_LIB(m,nanf,
AC_DEFINE(HAVE_NANF, 1, [Define to 1 if you have the NANF function])
)
AC_CHECK_LIB(m,sincos, [
AC_DEFINE(HAVE_SINCOS, 1, [Define to 1 if you have the sincos function.])
], [
AC_LIBOBJ([sincos])
])
AC_MSG_CHECKING([_Thread_local support])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([_Thread_local int foo = 0;
int main() {}])], [
AC_MSG_RESULT([ok])
AC_DEFINE(HAVE_THREAD_LOCAL, 1, [Defined to 1 if C11 _Thread_local storage qualifier is supported])
],[ AC_MSG_RESULT([no])])
dnl __STDC_NO_THREADS__ can't be trusted on some platforms.
dnl check for its availability explicitely
AC_CHECK_HEADERS([threads.h])
LIBDL=""
have_dynamic_objects="no"
VLC_SAVE_FLAGS
AC_SEARCH_LIBS(dlsym, [dl svld], [
AS_IF([test "$ac_cv_search_dlsym" != "none required"], [
LIBDL="$ac_cv_search_dlsym"
VLC_RESTORE_FLAGS
have_dynamic_objects="yes" #assume we can use shared objects
AS_IF([test "${enable_shared}" = "no"], [
have_dynamic_objects=no
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
LIBS=""
AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
])
])
AC_SUBST(LIBPTHREAD)
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"
AC_SUBST(LIBRT)
AC_CHECK_HEADERS([arpa/inet.h pthread.h search.h sys/shm.h sys/socket.h sys/uio.h])
AC_CHECK_HEADERS([net/if.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
])
AC_CHECK_HEADER([syslog.h], [have_syslog="yes"], [have_syslog="no"])
AM_CONDITIONAL([HAVE_SYSLOG], [test "$have_syslog" = "yes"])
AC_CHECK_HEADERS([netinet/tcp.h netinet/udplite.h sys/param.h sys/mount.h])
AC_CHECK_HEADERS([features.h getopt.h linux/dccp.h linux/magic.h mntent.h sys/eventfd.h])
dnl MacOS
AC_CHECK_HEADERS([xlocale.h])
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
AC_CHECK_TYPE(ssize_t,, [
AC_DEFINE(ssize_t, int)
])
dnl It seems that autoconf detects pkg-config only during the first
dnl PKG_CHECK_MODULES from configure.ac - which makes sense. But in our case,
dnl it is nested within a conditional block, so it was not working right.
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
[Paths where to find .pc not at the default location])
AS_IF([test -n "${PKG_CONFIG}" ],[
AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "darwin" -o "${SYS}" = "os2" ],[
PKG_CONFIG="${PKG_CONFIG} --static"
])
])
dnl
dnl Check for zlib.h and -lz along with system -lminizip if available
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
PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
have_minizip=yes
MINIZIP_LIBS="-lminizip -lz"
], [
have_minizip=no
])
])
fi
AM_CONDITIONAL(HAVE_MINIZIP, [ test "${have_minizip}" = "yes" ])
dnl
dnl Domain name i18n support via GNU libidn
dnl
PKG_CHECK_MODULES([IDN], [libidn], [
have_libidn="yes"
AC_DEFINE([HAVE_IDN], 1, [Define to 1 if you have GNU libidn.])
], [
have_libidn="no"
])
dnl Check for dbus
AC_ARG_ENABLE(dbus,
[AS_HELP_STRING([--enable-dbus],
[compile D-Bus message bus support (default enabled)])])
have_dbus="no"
AS_IF([test "${enable_dbus}" != "no"], [
PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.6.0], [
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"])
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"])
EXTEND_HELP_STRING([Optimization options:])
dnl
dnl Compiler warnings
dnl
AX_APPEND_COMPILE_FLAGS([-Wall -Wextra -Wsign-compare -Wundef -Wpointer-arith -Wvolatile-register-var -Wformat -Wformat-security], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Wall -Wextra -Wsign-compare -Wundef -Wpointer-arith -Wvolatile-register-var -Wformat -Wformat-security], [CXXFLAGS])
AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast -Wwrite-strings -Wmissing-prototypes -Werror-implicit-function-declaration -Winit-self -Wlogical-op -Wshadow=local], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-pipe], [CFLAGS])
dnl
dnl Debugging mode
dnl
AC_ARG_ENABLE(debug,
[AS_HELP_STRING([--enable-debug],
[build with run-time assertions (default disabled)])],,
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[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 ${LDFLAGS}"
])
AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "os2"], [
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -fvisibility=hidden"
CXXFLAGS="${CXXFLAGS} -fvisibility=hidden"
OBJCFLAGS="${OBJCFLAGS} -fvisibility=hidden"
AC_CACHE_CHECK([if $CC accepts -fvisibility=hidden],
[ac_cv_c_visibility_hidden], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
ac_cv_c_visibility_hidden=yes
], [
ac_cv_c_visibility_hidden=no
])
])
AS_IF([test "${ac_cv_c_visibility_hidden}" = "no"], [VLC_RESTORE_FLAGS])
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dnl
dnl Sanitizer flags
dnl
AC_ARG_WITH([sanitizer],
[AS_HELP_STRING([--with-sanitizer=(address/memory/undefined/thread)],
[build with sanitizer flags (default disabled)])],
[],
[with_sanitizer=no])
AS_VAR_IF(with_sanitizer, no, [], [
AX_CHECK_COMPILE_FLAG([-fsanitize=${with_sanitizer}], [
AX_APPEND_FLAG([-fsanitize=${with_sanitizer}])
AX_APPEND_FLAG([-fsanitize=${with_sanitizer}], [CXXFLAGS])
AX_APPEND_FLAG([-fsanitize=${with_sanitizer}], [LDFLAGS])
], [
AC_MSG_ERROR(["-fsanitize=${with_sanitizer} not supported!"])
])
AX_APPEND_FLAG([-g])
AX_APPEND_FLAG([-g], [CXXFLAGS])
AS_IF([test -z "${with_sanitizer##*address*}" ], [
AX_APPEND_COMPILE_FLAGS([-fsanitize-address-use-after-scope -fno-omit-frame-pointer])
AX_APPEND_COMPILE_FLAGS([-fsanitize-address-use-after-scope -fno-omit-frame-pointer], [CXXFLAGS])
])
AS_IF([test -z "${with_sanitizer##*memory*}" ], [
AX_APPEND_COMPILE_FLAGS([-fPIE -pie])
AX_APPEND_COMPILE_FLAGS([-fPIE -pie], [CXXFLAGS])
])
AS_IF([test -z "${with_sanitizer##*thread*}" ], [
AX_APPEND_COMPILE_FLAGS([-fPIE -pie])
AX_APPEND_COMPILE_FLAGS([-fPIE -pie], [CXXFLAGS])
])
])
dnl
dnl Enable/disable optimizations
dnl
AC_ARG_ENABLE(optimizations,
[AS_HELP_STRING([--disable-optimizations],
[disable compiler optimizations (default enabled)])],,
[enable_optimizations="yes"])
AS_IF([test "${enable_optimizations}" != "no"], [
dnl -O3 only in production builds
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -O3"
CXXFLAGS="${CXXFLAGS} -O3"
OBJCFLAGS="${OBJCFLAGS} -O3"
AC_CACHE_CHECK([if $CC accepts -O3], [ac_cv_c_o3], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
AS_IF([test "${ac_cv_c_o3}" = "no"], [VLC_RESTORE_FLAGS])
dnl Check for fast maths
AX_APPEND_COMPILE_FLAGS([-fno-math-errno -funsafe-math-optimizations -fno-rounding-math -fno-signaling-nans -fcx-limited-range], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-fno-math-errno -funsafe-math-optimizations -fno-rounding-math -fno-signaling-nans -fcx-limited-range], [CXXFLAGS])
AH_BOTTOM([
#if defined(_MSC_VER) && !defined(__clang__)
# 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
#endif
])
dnl Check for -funroll-loops
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -funroll-loops"
CXXFLAGS="${CXXFLAGS} -funroll-loops"
OBJCFLAGS="${OBJCFLAGS} -funroll-loops"
AC_CACHE_CHECK([if $CC accepts -funroll-loops], [ac_cv_c_unroll_loops], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
ac_cv_c_unroll_loops=yes
], [
ac_cv_c_unroll_loops=no
])
])
AS_IF([test "${ac_cv_c_unroll_loops}" = "no"], [VLC_RESTORE_FLAGS])
AS_IF([test "$enable_debug" = "no"], [
dnl Check for -fomit-frame-pointer
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -fomit-frame-pointer"
CXXFLAGS="${CXXFLAGS} -fomit-frame-pointer"
OBJCFLAGS="${OBJCFLAGS} -fomit-frame-pointer"
AC_CACHE_CHECK([if $CC accepts -fomit-frame-pointer],
[ac_cv_c_omit_frame_pointer], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
ac_cv_c_omit_frame_pointer=yes
], [
ac_cv_c_omit_frame_pointer=no
])
])
AS_IF([test "${ac_cv_c_omit_frame_pointer}" = "no"], [VLC_RESTORE_FLAGS])
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)
VLC_SAVE_FLAGS
LDFLAGS="${LDFLAGS} -Wl,-z,defs"
AC_CACHE_CHECK([if linker supports -z,defs], [ac_cv_ld_z_defs], [
AC_TRY_LINK([],, [
ac_cv_ld_z_defs="yes"
], [
ac_cv_ld_z_defs="no"
])
])
AS_IF([test "${ac_cv_ld_z_defs}" = "no" -o "${with_sanitizer}" != "no"], [VLC_RESTORE_FLAGS])
damienf
committed
dnl Check for __attribute__((packed))
AC_CACHE_CHECK([for __attribute__((packed))],
[ac_cv_c_attribute_packed],
[ac_cv_c_attribute_packed=no
AC_TRY_COMPILE(, [struct __attribute__((__packed__)) foo { int a; } b; (void)b;],
[ac_cv_c_attribute_packed=yes])])
if test "${ac_cv_c_attribute_packed}" != "no"; then
AC_DEFINE(HAVE_ATTRIBUTE_PACKED, 1, Support for __attribute__((packed)) for structs)
fi
Samuel Hocevar
committed
ARCH=unknown
;;
*)
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committed
;;
esac
dnl Check for backtrace() support
AC_CHECK_HEADERS(execinfo.h)
AC_CHECK_FUNCS(backtrace)
dnl Check for fully working MMX intrinsics
dnl We need support for -mmmx, we need <mmintrin.h>, and we also need a
dnl working compiler (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23963)
[AS_HELP_STRING([--disable-mmx],
[disable MMX optimizations (default auto)])],,[
case "${host_cpu}" in
i?86|x86_64)
enable_mmx="yes"
;;
*)
enable_mmx="no"
;;
esac
])
have_mmx="no"
AS_IF([test "${enable_mmx}" != "no"], [
ARCH="${ARCH} mmx"
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -mmmx"
AC_CACHE_CHECK([if $CC groks MMX intrinsics], [ac_cv_c_mmx_intrinsics], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <mmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m64 a, b, c;
a = b = c = (__m64)frobzor;
a = _mm_slli_pi16(a, 3);
a = _mm_adds_pi16(a, b);
c = _mm_srli_pi16(c, 8);
c = _mm_slli_pi16(c, 3);
b = _mm_adds_pi16(b, c);
a = _mm_unpacklo_pi8(a, b);
frobzor = (uint64_t)a;]])], [
ac_cv_c_mmx_intrinsics=yes
], [
ac_cv_c_mmx_intrinsics=no
])
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_c_mmx_intrinsics}" != "no"], [
AC_DEFINE(HAVE_MMX_INTRINSICS, 1, [Define to 1 if MMX intrinsics are available.])
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -mmmx"

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AC_CACHE_CHECK([if $CC groks MMX inline assembly], [ac_cv_mmx_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("packuswb %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_mmx_inline=yes
], [
ac_cv_mmx_inline=no
])
])
AS_IF([test "${ac_cv_mmx_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMX, 1, [Define to 1 inline MMX assembly is available.])
have_mmx="yes"
AC_CACHE_CHECK([if $CC groks MMX EXT inline assembly],
[ac_cv_mmxext_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("maskmovq %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_mmxext_inline=yes
], [
ac_cv_mmxext_inline=no
])
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_mmxext_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_MMXEXT, 1, [Define to 1 if MMX EXT inline assembly is available.])
have_mmxext="yes"
])
AM_CONDITIONAL([HAVE_MMX], [test "${have_mmx}" = "yes"])
AM_CONDITIONAL([HAVE_MMXEXT], [test "${have_mmxext}" = "yes"])
dnl Check for fully workin SSE2 intrinsics
dnl We need support for -mmmx, we need <emmintrin.h>, and we also need a
dnl working compiler (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23963)
[AS_HELP_STRING([--disable-sse],
[disable SSE (1-4) optimizations (default auto)])],, [
i?86|x86_64)
enable_sse=yes
;;
*)
enable_sse=no
;;
esac
])
AS_IF([test "${enable_sse}" != "no"], [
ARCH="${ARCH} sse sse2"
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -msse2"
AC_CACHE_CHECK([if $CC groks SSE2 intrinsics], [ac_cv_c_sse2_intrinsics], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <emmintrin.h>
#include <stdint.h>
uint64_t frobzor;]], [
[__m128i a, b, c;
a = b = c = _mm_set1_epi64((__m64)frobzor);
a = _mm_slli_epi16(a, 3);
a = _mm_adds_epi16(a, b);
c = _mm_srli_epi16(c, 8);
c = _mm_slli_epi16(c, 3);
b = _mm_adds_epi16(b, c);
a = _mm_unpacklo_epi8(a, b);
frobzor = (uint64_t)_mm_movepi64_pi64(a);]])], [
ac_cv_c_sse2_intrinsics=yes
], [
ac_cv_c_sse2_intrinsics=no
])
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_c_sse2_intrinsics}" != "no"], [
AC_DEFINE(HAVE_SSE2_INTRINSICS, 1, [Define to 1 if SSE2 intrinsics are available.])
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -msse"

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AC_CACHE_CHECK([if $CC groks SSE inline assembly], [ac_cv_sse_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("xorps %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
]])
], [
ac_cv_sse_inline=yes
], [
ac_cv_sse_inline=no
])
])
AS_IF([test "${ac_cv_sse_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE, 1, [Define to 1 if SSE inline assembly is available.])

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committed
AC_CACHE_CHECK([if $CC groks SSE2 inline assembly], [ac_cv_sse2_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("punpckhqdq %%xmm1,%%xmm2"::"r"(p):"xmm1", "xmm2");
]])
], [
ac_cv_sse2_inline=yes
], [
ac_cv_sse2_inline=no
])
])
AS_IF([test "${ac_cv_sse2_inline}" != "no" -a "${SYS}" != "solaris"], [
AC_DEFINE(CAN_COMPILE_SSE2, 1, [Define to 1 if SSE2 inline assembly is available.])

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committed
AC_CACHE_CHECK([if $CC groks SSE3 inline assembly], [ac_cv_sse3_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("movsldup %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse3_inline=yes
], [
ac_cv_sse3_inline=no
])
])
AS_IF([test "${ac_cv_sse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE3, 1, [Define to 1 if SSE3 inline assembly is available.]) ])

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committed
AC_CACHE_CHECK([if $CC groks SSSE3 inline assembly], [ac_cv_ssse3_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pabsw %%xmm0,%%xmm0"::"r"(p):"xmm0");
]])
], [
ac_cv_ssse3_inline=yes
], [
ac_cv_ssse3_inline=no
])
])
AS_IF([test "${ac_cv_ssse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSSE3, 1, [Define to 1 if SSSE3 inline assembly is available.]) ])
# SSE4.1
AC_CACHE_CHECK([if $CC groks SSE4.1 inline assembly],

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[ac_cv_sse4_1_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pmaxsb %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4_1_inline=yes
], [
ac_cv_sse4_1_inline=no
])
])
AS_IF([test "${ac_cv_sse4_1_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_1, 1, [Define to 1 if SSE4_1 inline assembly is available.]) ])
# SSE4.2
AC_CACHE_CHECK([if $CC groks SSE4.2 inline assembly],

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committed
[ac_cv_sse4_2_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pcmpgtq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4_2_inline=yes
], [
ac_cv_sse4_2_inline=no
])
])
AS_IF([test "${ac_cv_sse4_2_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4_2, 1, [Define to 1 if SSE4_2 inline assembly is available.]) ])

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committed
AC_CACHE_CHECK([if $CC groks SSE4A inline assembly], [ac_cv_sse4a_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("insertq %%xmm1,%%xmm0"::"r"(p):"xmm0", "xmm1");
]])
], [
ac_cv_sse4a_inline=yes
], [
ac_cv_sse4a_inline=no
])
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_sse4a_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE4A, 1, [Define to 1 if SSE4A inline assembly is available.]) ])
AM_CONDITIONAL([HAVE_SSE2], [test "$have_sse2" = "yes"])
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VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -mmmx"
have_3dnow="no"
AC_CACHE_CHECK([if $CC groks 3D Now! inline assembly], [ac_cv_3dnow_inline], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[
void *p;
asm volatile("pfadd %%mm1,%%mm2"::"r"(p):"mm1", "mm2");
]])
], [
ac_cv_3dnow_inline=yes
], [
ac_cv_3dnow_inline=no
])
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_3dnow_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_3DNOW, 1,
[Define to 1 if 3D Now! inline assembly is available.])
have_3dnow="yes"
])
AM_CONDITIONAL([HAVE_3DNOW], [test "$have_3dnow" = "yes"])
[AS_HELP_STRING([--disable-neon],
[disable NEON optimizations (default auto)])],, [
AS_IF([test "${host_cpu}" = "arm"], [enable_neon="yes"] ,[enable_neon="no"])
])
AS_IF([test "${enable_neon}" != "no"], [
VLC_SAVE_FLAGS
CFLAGS="${CFLAGS} -mfpu=neon -mhard-float"
AC_CACHE_CHECK([if $CCAS groks ARM NEON assembly], [ac_cv_arm_neon], [
AC_LANG_PROGRAM(,[[
asm volatile("vqmovun.s64 d0, q1":::"d0");
]])
VLC_RESTORE_FLAGS
AM_CONDITIONAL(HAVE_NEON, [test "${ac_cv_arm_neon}" = "yes"])
AC_ARG_ENABLE(arm64,
[AS_HELP_STRING([--disable-arm64],
[disable arm 64-bit optimizations (default auto)])],, [
AS_IF([test "${host_cpu}" = "aarch64"], [enable_arm64="yes"] ,[enable_arm64="no"])
])
AS_IF([test "${enable_arm64}" != "no"], [
AC_CACHE_CHECK([if $CCAS groks ARM 64 SIMD assembly], [ac_cv_arm64], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(,[[
asm volatile("uhadd v0.8b, v0.8b, v1.8b":::"v0");
]])
], [
ac_cv_arm64="yes"
], [
ac_cv_arm64="no"
])
])
])
AM_CONDITIONAL(HAVE_ARM64, [test "${ac_cv_arm64}" = "yes"])
AC_ARG_ENABLE(altivec,
[AS_HELP_STRING([--disable-altivec],
[disable AltiVec optimizations (default auto)])],, [
AS_CASE("${host_cpu}", [powerpc*],
[enable_altivec=yes], [enable_altivec=no])
])
ALTIVEC_CFLAGS=""
AS_IF([test "${enable_altivec}" = "yes"], [
ARCH="${ARCH} altivec";
VLC_SAVE_FLAGS
AC_CACHE_CHECK([if $CC groks AltiVec inline assembly],
[ac_cv_altivec_inline],
[AC_TRY_COMPILE(,[asm volatile("vperm 0,1,2,3");],
ac_cv_altivec_inline="yes",
[CFLAGS="${CFLAGS} -Wa,-maltivec"
[ac_cv_altivec_inline="-Wa,-maltivec"],
ac_cv_altivec_inline=no)
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_altivec_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_ALTIVEC, 1,
[Define to 1 if AltiVec inline assembly is available.])
AS_IF([test "${ac_cv_altivec_inline}" != "yes"], [
ALTIVEC_CFLAGS="${ac_cv_altivec_inline}"

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VLC_ADD_CFLAGS([libvlccore],[${ac_cv_altivec_inline}])
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committed
VLC_SAVE_FLAGS
AC_CACHE_CHECK([if \$CC groks AltiVec C extensions],
[ac_cv_c_altivec], [
CFLAGS="${CFLAGS} -maltivec"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
[#include <altivec.h>]], [
[vec_ld(0, (unsigned char *)0);]])], [
ac_cv_c_altivec="-maltivec"
], [
ac_cv_c_altivec="no"
])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_c_altivec}" != "no"], [
CPPFLAGS="${CPPFLAGS} ${ac_cv_c_altivec}"
AC_DEFINE(CAN_COMPILE_C_ALTIVEC, 1, [Define to 1 if C AltiVec extensions are available.])

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VLC_ADD_CFLAGS([libvlccore],[${ac_cv_c_altivec}])
ALTIVEC_CFLAGS="$ALTIVEC_CFLAGS ${ac_cv_c_altivec}"
VLC_ADD_CFLAGS([deinterlace],[${ac_cv_c_altivec}])
AC_CHECK_HEADERS(altivec.h)
VLC_SAVE_FLAGS
LDFLAGS="${LDFLAGS} -Wl,-framework,vecLib"
AC_CACHE_CHECK([if linker needs -framework vecLib],
[ac_cv_ld_altivec],
[AC_TRY_LINK([],,ac_cv_ld_altivec=yes,ac_cv_ld_altivec=no)])
VLC_RESTORE_FLAGS
AS_IF([test "${ac_cv_ld_altivec}" != "no"], [
VLC_ADD_LIBS([libvlccore],[-Wl,-framework,vecLib])
AC_SUBST(ALTIVEC_CFLAGS)
AM_CONDITIONAL([HAVE_ALTIVEC], [test "$have_altivec" = "yes"])
dnl
dnl Memory usage
dnl
AC_ARG_ENABLE(optimize-memory,
[AS_HELP_STRING([--enable-optimize-memory],
[optimize memory usage over performance])])
if test "${enable_optimize_memory}" = "yes"; then
AC_DEFINE(OPTIMIZE_MEMORY, 1, Define if you want to optimize memory usage over performance)
fi
dnl Allow running as root (useful for people running on embedded platforms)
AC_ARG_ENABLE(run-as-root,
[AS_HELP_STRING([--enable-run-as-root],
[allow running VLC as root (default disabled)])])
AS_IF([test "${enable_run_as_root}" = "yes"],[
AC_DEFINE(ALLOW_RUN_AS_ROOT, 1,
dnl
dnl Stream output
dnl
AC_ARG_ENABLE(sout,
[AS_HELP_STRING([--disable-sout],
[disable streaming output (default enabled)])])
AS_IF([test "${enable_sout}" != "no"], [
AC_DEFINE(ENABLE_SOUT, 1, [Define to 1 for stream output support.])
])
AM_CONDITIONAL(ENABLE_SOUT, [test "${enable_sout}" != "no"])
dnl Lua modules
AC_ARG_ENABLE(lua,
[AS_HELP_STRING([--disable-lua],
[disable LUA scripting support (default enabled)])])
if test "${enable_lua}" != "no"
then
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PKG_CHECK_MODULES(LUA, lua5.2,
[ have_lua=yes ],
[
AC_MSG_WARN([${LUA_PKG_ERRORS}, trying lua 5.1 instead])
PKG_CHECK_MODULES(LUA, lua5.1,
[ have_lua=yes ],
[
AC_MSG_WARN([${LUA_PKG_ERRORS}, trying lua >= 5.1 instead])
PKG_CHECK_MODULES(LUA, lua >= 5.1,
[ have_lua=yes ],
[
AC_MSG_WARN([${LUA_PKG_ERRORS}, trying manual detection instead])
have_lua=yes
AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
[],
[ have_lua=no ] )
AC_CHECK_LIB( lua5.2 , luaL_newstate,
[LUA_LIBS="-llua5.2"],
AC_CHECK_LIB( lua5.1 , luaL_newstate,
[LUA_LIBS="-llua5.1"],
AC_CHECK_LIB( lua51 , luaL_newstate,
[LUA_LIBS="-llua51"],
AC_CHECK_LIB( lua , luaL_newstate,
[LUA_LIBS="-llua"],
[ have_lua=no
], [-lm])
)))

Konstantin Pavlov
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])
])
AC_MSG_ERROR([Could not find lua. Lua is needed for some interfaces (rc, telnet, http) as well as many other custom scripts. Use --disable-lua to ignore this error.])

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fi

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AC_ARG_VAR([LUAC], [LUA byte compiler])
AS_IF([test -z "$LUAC"], [
AC_CHECK_TOOL(LUAC, [luac], [false])
])

Rémi Denis-Courmont
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AC_MSG_ERROR([Could not find the LUA byte compiler.])
])
AS_IF([test -d "${CONTRIB_DIR}" -a -f "${CONTRIB_DIR}/lib/liblua.a" -a `echo|${LUAC} -o - -|od -j 8 -N 2 -t x2|head -n 1|tr -s ' '|cut -d' ' -f2` != 0404], [
AC_MSG_ERROR([You need 32-bits luac when using lua from contrib.])
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