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configure.ac
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configure.ac
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dnl Autoconf settings for vlc
AC_COPYRIGHT([Copyright 1999-2023 VLC authors and VideoLAN])
AC_INIT(vlc, 3.0.20)
VERSION_MAJOR=3
VERSION_MINOR=0
VERSION_REVISION=20
VERSION_EXTRA=0
VERSION_DEV=
PKGDIR="vlc"
AC_SUBST(PKGDIR)
CONFIGURE_LINE="`echo "$0 $ac_configure_args" | sed -e 's/\\\/\\\\\\\/g'`"
CODENAME="Vetinari"
COPYRIGHT_YEARS="1996-2023"
AC_CONFIG_SRCDIR(src/libvlc.c)
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_MACRO_DIR(m4)
AC_CONFIG_LIBOBJ_DIR(compat)
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_PRESERVE_HELP_ORDER
AM_INIT_AUTOMAKE(tar-ustar color-tests foreign)
AC_CONFIG_HEADERS([config.h])
AM_SILENT_RULES([yes])
AM_MAINTAINER_MODE([enable])
dnl
dnl Directories
dnl
dnl vlcincludedir="\${includedir}/\${PKGDIR}"
dnl AC_SUBST(vlcincludedir)
vlcdatadir="\${datadir}/\${PKGDIR}"
AC_SUBST(vlcdatadir)
vlclibdir="\${libdir}/\${PKGDIR}"
AC_SUBST(vlclibdir)
dnl
dnl Check for tools
dnl
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS
VLC_PROG_CC_C11
AC_DEFINE([_FORTIFY_SOURCE], 2, [Define to 2 to get glibc warnings.])
AC_DEFINE([_FILE_OFFSET_BITS], 64, [Define to 64 for large files support.])
AH_TOP([
#ifndef _REENTRANT
# define _REENTRANT
#endif
])
AC_DEFINE([_THREAD_SAFE],, [Same as _REENTANT for some other OSes.])
AC_DEFINE([__LIBVLC__],, [Define within the LibVLC source code tree.])
AC_DEFINE([WIN32_LEAN_AND_MEAN],, [Define to limit the scope of <windows.h>.])
AM_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_CPP
AC_PROG_OBJC
AC_PROG_EGREP
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AM_PROG_AS
AC_PROG_LEX([noyywrap])
AC_PROG_YACC
AC_ARG_VAR([DESKTOP_FILE_VALIDATE], [Validator for desktop entry files])
AC_CHECK_PROGS(DESKTOP_FILE_VALIDATE, [${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
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], [$1])])
dnl Allow binary package maintainer to pass a custom string to avoid
dnl cache problem
AC_ARG_WITH(binary-version,
AS_HELP_STRING([--with-binary-version=STRING],
[To avoid plugins cache problem between binary version]),[],[])
AS_IF([test -n "${with_binary_version}"],[
AC_DEFINE_UNQUOTED([DISTRO_VERSION],["${with_binary_version}"],
[Binary specific version])
])
dnl Prevent clang from accepting unknown flags with a mere warning
AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Werror=unknown-warning-option -Werror=invalid-command-line-argument], [CXXFLAGS])
dnl
dnl Check the operating system
dnl
HAVE_WIN64="0"
HAVE_IOS="0"
HAVE_OSX="0"
HAVE_TVOS="0"
case "${host_os}" in
"")
SYS=unknown
;;
linux*)
SYS=linux
;;
bsdi*)
SYS=bsdi
CFLAGS="${CFLAGS} -pthread"
;;
freebsd*)
SYS=freebsd
CFLAGS="${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
;;
darwin*)
dnl Workaround possible Xcode 11 bug
CFLAGS="${CFLAGS} -fno-stack-check"
CXXFLAGS="${CXXFLAGS} -fno-stack-check"
OBJCFLAGS="${OBJCFLAGS} -fno-stack-check"
dnl Force gcc "-arch" flag
ARCH_flag=""
case "${host}" in
i?86*)
ARCH_flag="-arch i386"
;;
ppc64*)
ARCH_flag="-arch ppc64"
;;
ppc*)
ARCH_flag="-arch ppc"
;;
x86_64*)
ARCH_flag="-arch x86_64"
;;
arm*)
ac_cv_c_bigendian="no"
ac_cv_c_attribute_packed="no"
;;
esac
SYS=darwin
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 ${ARCH_flag}"
VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
AC_EGREP_CPP(yes,
[#import <TargetConditionals.h>
#if TARGET_OS_IPHONE
yes
#endif],
[HAVE_IOS="1"],
[HAVE_OSX="1"])
AC_EGREP_CPP(yes,
[#import <TargetConditionals.h>
#if TARGET_OS_TV
yes
#endif],
[HAVE_TVOS="1"
HAVE_IOS="0"
HAVE_OSX="0"
],)
dnl
dnl Handle Mac OS X SDK flags
dnl
AC_ARG_WITH(macosx-sdk,
[AS_HELP_STRING([--with-macosx-sdk=DIR],
[compile using the SDK in DIR])])
if test "${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 ${with_macosx_sdk}"
fi
AC_ARG_WITH(macosx-version-min,
[AS_HELP_STRING([--with-macosx-version-min=VERSION],
[compile for Mac OS X VERSION and above])])
if test "${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="${CXXFLAGS} -static-libgcc"
AC_CHECK_TOOL(WINDRES, windres, :)
AC_CHECK_TOOL(OBJCOPY, objcopy, :)
AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
[[#ifdef _WIN32_WINNT
# error _WIN32_WINNT already defined
#else
# include <windows.h>
# if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502
# error _WIN32_WINNT toolchain default high enough
# endif
#endif
]],[[;]])
],[
AC_DEFINE([_WIN32_WINNT], 0x0502, [Define to '0x0502' for Windows XP SP2 APIs.])
])
AC_MSG_CHECKING([if libsynchronization is needed])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
[[#if _WIN32_WINNT >= 0x0602
# error building for Win8+ and above
#endif
]],[[;]])
],[
AC_MSG_RESULT([no])
],[
AC_MSG_RESULT([yes])
VLC_ADD_LIBS([libvlccore], [-lsynchronization])
])
AC_DEFINE([_WIN32_IE], 0x0600, [Define to '0x0600' for IE 6.0 (and shell) APIs.])
AC_DEFINE([_UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
AC_DEFINE([UNICODE], [1], [Define to 1 for Unicode (Wide Chars) APIs.])
AC_DEFINE([_ISOC99_SOURCE], [1], [Extensions to ISO C89 from ISO C99.])
AC_DEFINE([_ISOC11_SOURCE], [1], [Extensions to ISO C99 from ISO C11.])
AC_DEFINE([_POSIX_SOURCE], [1], [IEEE Std 1003.1.])
AC_DEFINE([_POSIX_C_SOURCE], [200809L], [IEEE Std 1003.1.])
AC_DEFINE([_XOPEN_SOURCE], [700], [POSIX and XPG 7th edition])
AC_DEFINE([_XOPEN_SOURCE_EXTENDED], [1], [XPG things and X/Open Unix extensions.])
AC_DEFINE([_BSD_SOURCE], [1], [ISO C, POSIX, and 4.3BSD things.])
AC_DEFINE([_SVID_SOURCE], [1], [ISO C, POSIX, and SVID things.])
case "${host_os}" in
*mingw32*)
SYS=mingw32
;;
*cygwin*)
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,
[#ifdef _WIN32
yes
#endif],
SYS=mingw32, AC_MSG_ERROR([VLC requires -mno-cygwin]))
;;
esac
if test "${SYS}" = "mingw32"; then
# DEP, ASLR, NO SEH
LDFLAGS="${LDFLAGS} -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase"
AC_CHECK_PROGS(U2D, [unix2dos todos], unix2dos)
ac_default_prefix="`pwd`/_win32"
DESTDIR="`pwd`/_win32/"
dnl
dnl NSIS/MSI Installer prefix and WIN64
dnl
case "${host}" in
amd64*|x86_64*)
HAVE_WIN64="1"
WINDOWS_ARCH="x64"
PROGRAMFILES="PROGRAMFILES64"
LDFLAGS="${LDFLAGS} -Wl,--high-entropy-va -Wl,--image-base,0x140000000"
;;
*)
WINDOWS_ARCH="x86"
PROGRAMFILES="PROGRAMFILES"
;;
esac
AC_SUBST(WINDOWS_ARCH)
AC_SUBST(PROGRAMFILES)
fi
;;
*nto*)
SYS=nto
;;
solaris*)
SYS=solaris
;;
hpux*)
SYS=hpux
;;
*os2*)
SYS=os2
LDFLAGS="${LDFLAGS} -Zomf -Zbin-files -Zargs-wild -Zhigh-mem"
AC_LIBOBJ([freeaddrinfo])
AC_LIBOBJ([gai_strerror])
AC_CHECK_FUNCS([if_nametoindex])
;;
*nacl*)
SYS=nacl
AC_DEFINE([_XOPEN_SOURCE], [700], [POSIX and XPG 7th edition])
AC_LIBOBJ([sigwait])
AC_LIBOBJ([recvmsg])
AC_LIBOBJ([sendmsg])
;;
*)
SYS="${host_os}"
;;
esac
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 "${SYS}" = "mingw32"],[
LIBCOM="-lole32"
AS_IF([test "${enable_winstore_app}" = "yes"], [
vlc_winstore_app=1
LIBCOM=""
VLC_ADD_LIBS([libvlccore], [-lruntimeobject])
AC_LIBOBJ([gai_strerror])
],[])
AC_SUBST(LIBCOM)
])
AC_DEFINE_UNQUOTED(VLC_WINSTORE_APP, ${vlc_winstore_app}, [Define to 1 if you want to build for Windows Store apps])
vlc_build_pdb=0
AC_ARG_ENABLE([pdb],
AS_HELP_STRING([--enable-pdb],
[Build PDB files for windows targets (default off)]))
AS_IF([test "${SYS}" = "mingw32"],[
AS_IF([test "${enable_pdb}" = "yes"], [
vlc_build_pdb=1
AX_APPEND_FLAG([-g -gcodeview],[CFLAGS])
AX_APPEND_FLAG([-g -gcodeview],[CXXFLAGS])
LDFLAGS="${LDFLAGS} -Wl,-pdb="
],[])
])
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")
AM_CONDITIONAL(HAVE_NACL, test "${SYS}" = "nacl")
AM_CONDITIONAL(HAVE_LIBANL, test "${HAVE_LIBANL}" = "1")
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 "$vlc_winstore_app" = "0"])
AM_CONDITIONAL([ENABLE_PDB], [test "$vlc_build_pdb" = "1"])
dnl
dnl Sadly autoconf does not think about testing foo.exe when ask to test
dnl for program foo on win32
case "${build_os}" in
cygwin|msys|mingw32)
ac_executable_extensions=".exe"
BUILDEXEEXT=".exe"
;;
os2*)
BUILDEXEEXT=".exe"
;;
*)
;;
esac
AC_SUBST(BUILDEXEEXT)
dnl Android is linux, but a bit different
AS_IF([test "$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>
]],[[;]])
],[
HAVE_TIZEN="1"
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
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])
DOLT
lt_cv_deplibs_check_method=pass_all
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])
dnl
dnl Iconv stuff
dnl
AM_ICONV
dnl
dnl checks for mingw
AS_IF([test "${SYS}" = "mingw32"], [
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#if !defined(__MINGW32__)
# error Not compiling with mingw
#endif
])], [
dnl Check for broken versions of mingw-runtime compatability library
AC_MSG_CHECKING(for broken mingw-runtime)
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#include <_mingw.h>
#if defined(__MINGW64_VERSION_MAJOR)
# if __MINGW64_VERSION_MAJOR < 3
# error Attempting to use mingw-runtime with broken vsnprintf support
# endif
#elif __MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION < 15
# error Attempting to use mingw-runtime with broken vsnprintf support
#endif
])], [
AC_MSG_RESULT([ok])
], [
AC_MSG_RESULT([present])
AC_MSG_ERROR([LibVLC requires mingw-runtime version 3.15 or higher, or mingw-w64 version 3.0 or higher!])
])
dnl force use of mingw provided c99 *printf over msvcrt
CPPFLAGS="${CPPFLAGS} -D__USE_MINGW_ANSI_STDIO=1"
dnl Check for the need to include the mingwex lib for mingw32
VLC_SAVE_FLAGS
AC_CHECK_LIB(mingwex,opendir,
AC_CHECK_LIB(mingw32,opendir,,
[VLC_ADD_LIBS([libvlccore],[-lmingwex])])
)
VLC_RESTORE_FLAGS
], [
AC_MSG_RESULT([Not compiling with mingw])
])
dnl Check for fnative-struct or mms-bitfields support for mingw32
AX_CHECK_COMPILE_FLAG([-mms-bitfields], [
AX_APPEND_FLAG([-mms-bitfields], [CFLAGS])
AX_APPEND_FLAG([-mms-bitfields], [CXXFLAGS])
# Check for the warning flag without "-Wno-", GCC accepts
# -Wno-<anything> for unsupported warnings, which can trigger
# other warnings instead.
AX_CHECK_COMPILE_FLAG([-Wincompatible-ms-struct], [
AX_APPEND_FLAG([-Wno-incompatible-ms-struct], [CFLAGS])
AX_APPEND_FLAG([-Wno-incompatible-ms-struct], [CXXFLAGS])
])
], [
AX_CHECK_COMPILE_FLAG([-fnative-struct], [
AX_APPEND_FLAG([-fnative-struct], [CFLAGS])
AX_APPEND_FLAG([-fnative-struct], [CXXFLAGS])
])
])
])
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])
AS_IF([test "x${enable_nls}" != "xno"], [
AC_MSG_ERROR([Buggy GNU/libc (version 2.5 - 2.7) present. VLC would crash; there is no viable
work-around for this. Check with your distribution vendor on how to update the
glibc run-time. Alternatively, build with --disable-nls.])
])
])
dnl Plugin compilation stuff
VLC_LIBRARY_SUFFIX
dnl Check for system libs needed
need_libc=false
dnl Check for usual libc functions
AC_CHECK_FUNCS([accept4 daemon fcntl flock fstatvfs fork getenv getmntent_r getpwuid_r isatty lstat memalign mkostemp mmap newlocale open_memstream openat pipe2 pread posix_fadvise posix_madvise posix_memalign setlocale stricmp strnicmp strptime uselocale])
AC_REPLACE_FUNCS([aligned_alloc atof atoll dirfd fdopendir ffsll flockfile fsync getdelim getpid lfind lldiv memrchr nrand48 poll recvmsg rewind sendmsg setenv strcasecmp strcasestr strdup strlcpy strndup strnlen strnstr strsep strtof strtok_r strtoll swab tdestroy tfind timegm timespec_get strverscmp pathconf])
AC_REPLACE_FUNCS([gettimeofday])
AC_CHECK_FUNC(fdatasync,,
[AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
])
VLC_REPLACE_DECL([realpath], [#include <stdlib.h>])
dnl mingw64 implements those as static inline, not functions with C linkage
VLC_REPLACE_DECL([asprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([vasprintf], [#include <stdio.h>])
VLC_REPLACE_DECL([gmtime_r], [#include <time.h>])
VLC_REPLACE_DECL([localtime_r], [#include <time.h>])
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <assert.h>], [
static_assert(1, "The impossible happened.");
])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define to 1 if <assert.h> defines static_assert.])
], [
AC_MSG_RESULT([no])
])
# Windows CE does not have strcoll()
AC_FUNC_STRCOLL
dnl Check for non-standard system calls
case "$SYS" in
"linux")
AC_CHECK_FUNCS([eventfd vmsplice sched_getaffinity recvmmsg])
;;
"mingw32")
AC_CHECK_FUNCS([_lock_file])
;;
esac
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>
#elif defined (_WIN32)
# 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>])
dnl Check for socklen_t
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>
#ifdef _WIN32
# include <winsock2.h>
# include <ws2tcpip.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 "$ac_cv_type_socklen_t" = no],
[AC_DEFINE(socklen_t, int)])
dnl Check for struct sockaddr_storage
AH_TEMPLATE(sockaddr_storage, [Define to `sockaddr' if <sys/socket.h> does not define.]) dnl ` (fix VIM syntax highlight
AH_TEMPLATE(ss_family, [Define to `sa_family' if <sys/socket.h> does not define.]) dnl ` (fix VIM syntax highlight
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_struct_sockaddr_storage,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#if defined( _WIN32 )
# include <winsock2.h>
#else
# include <sys/socket.h>
#endif]], [[struct sockaddr_storage addr;]])],
[ac_cv_struct_sockaddr_storage=yes],
[ac_cv_struct_sockaddr_storage=no])])
AS_IF([test "${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)
AC_CHECK_LIB(m,cos,[
LIBM="-lm"
], [
LIBM=""
])
AC_SUBST(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])
AC_CHECK_LIB([anl],[getaddrinfo_a],[
AC_DEFINE(HAVE_LIBANL, 1, [Define to 1 if you have the anl library])
])
dnl Check for dynamic plugins
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"
])
have_dynamic_objects="yes"
])
VLC_RESTORE_FLAGS
# Windows
AS_IF([test "${SYS}" = "mingw32"], [
LIBDL=""
have_dynamic_objects="yes" #assume we can use shared objects
])
AC_ARG_WITH([libfuzzer],
[AS_HELP_STRING([--with-libfuzzer=DIR],
[use libFuzzer library from DIR and triggers sanitize coverage (default disabled)])],
[],
[with_libfuzzer=no])
AS_VAR_IF(with_libfuzzer, no, [], [
enable_shared=no
enable_static=yes
enable_vlc=no
])
AM_CONDITIONAL(HAVE_LIBFUZZER, [test "${with_libfuzzer}" != "no"])
AS_IF([test "${enable_shared}" = "no"], [
have_dynamic_objects=no
])
AM_CONDITIONAL(HAVE_DYNAMIC_PLUGINS, [test "${have_dynamic_objects}" != "no"])
AC_SUBST(LIBDL)
dnl Check for thread library
LIBPTHREAD=""
AS_IF([test "${SYS}" != "mingw32"], [
VLC_SAVE_FLAGS
LIBS=""
AC_SEARCH_LIBS(pthread_rwlock_init, pthread pthreads c_r, [
AS_IF([test "$ac_cv_search_pthread_rwlock_init" != "none required"], [
LIBPTHREAD="$ac_cv_search_pthread_rwlock_init"
])
])
VLC_RESTORE_FLAGS
])
AC_SUBST(LIBPTHREAD)
AC_SEARCH_LIBS([clock_nanosleep], [rt pthread], [
AS_IF([test "$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="$ac_cv_search_nanosleep"
])
])
])
AC_SUBST(LIBRT)
dnl
dnl Check for headers
dnl
dnl POSIX
AC_CHECK_HEADERS([arpa/inet.h pthread.h search.h sys/shm.h sys/socket.h sys/uio.h])
AC_CHECK_HEADERS([net/if.h], [], [],
[
#include <sys/types.h>
#include <sys/socket.h>
])
AC_CHECK_HEADER([syslog.h], [have_syslog="yes"], [have_syslog="no"])
AM_CONDITIONAL([HAVE_SYSLOG], [test "$have_syslog" = "yes"])
dnl BSD
AC_CHECK_HEADERS([netinet/tcp.h netinet/udplite.h sys/param.h sys/mount.h])
dnl GNU/Linux
AC_CHECK_HEADERS([features.h getopt.h linux/dccp.h linux/magic.h sys/eventfd.h])
dnl MacOS
AC_CHECK_HEADERS([xlocale.h])
dnl Check if C++ headers define locale_t
AC_LANG_PUSH(C++)
AC_CACHE_CHECK([if C++ headers define locale_t],
[ac_cv_cxx_locale_t],
[ac_cv_cxx_locale_t=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <locale>]], [[locale_t loc;]])],
[ac_cv_cxx_locale_t=yes],[])])
if test "${ac_cv_cxx_locale_t}" != "no"; then
AC_DEFINE(HAVE_CXX_LOCALE_T, 1, Define to 1 if C++ headers define locale_t)
fi
AC_LANG_POP(C++)
dnl LP64 and LLP64 architectures had better define ssize_t by themselves...
AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.]) dnl ` (fix VIM syntax highlight
AC_CHECK_TYPE(ssize_t,, [
AC_DEFINE(ssize_t, int)
])
dnl It seems that autoconf detects pkg-config only during the first
dnl PKG_CHECK_MODULES from configure.ac - which makes sense. But in our case,
dnl it is nested within a conditional block, so it was not working right.
dnl Make PKG_CONFIG_PATH precious so that it appears in the help and get saved
AC_ARG_VAR(PKG_CONFIG_PATH,
[Paths where to find .pc not at the default location])
PKG_PROG_PKG_CONFIG()
dnl On some OS we need static linking
AS_IF([test -n "${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
dnl
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
VLC_ADD_LIBS([sap],[-lz])
PKG_CHECK_MODULES([MINIZIP], [minizip] , [ have_minizip=yes ], [
AC_CHECK_HEADERS([unzip.h], [
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])
dnl -Werror-implicit-function-declaration is used for the if_nametoindex detection with winstore
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 Checks for socket stuff
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 "${SYS}" = "mingw32"], [
SOCKET_LIBS="-lws2_32 -liphlpapi"
])
])
AC_SEARCH_LIBS([inet_pton], [nsl], [
AS_IF([test "$ac_cv_search_inet_pton" != "none required"], [
SOCKET_LIBS="$ac_cv_search_inet_pton $SOCKET_LIBS"
])
],, [${SOCKET_LIBS}])
LIBS="${LIBS} ${SOCKET_LIBS}"
CFLAGS="${CFLAGS} -Werror-implicit-function-declaration"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([#ifdef _WIN32
#include <ws2tcpip.h>
#include <windows.h>
# if _WIN32_WINNT < 0x600
# error Needs vista+
# endif
#else
#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_LINK_IFELSE([
AC_LANG_PROGRAM([#ifdef _WIN32
#include <iphlpapi.h>