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|
AC_PREREQ([2.58])
AC_INIT([ffms2],[esyscmd([sh version.sh])])
AC_CONFIG_SRCDIR([src/core/ffms.cpp])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.11 subdir-objects])
AM_SILENT_RULES([yes])
AM_MAINTAINER_MODE([disable])
VERSION_INFO="3:0:0"
AC_MSG_CHECKING([if debug build is enabled])
AC_ARG_ENABLE([debug],
[AC_HELP_STRING([--enable-debug],
[Enable debug build. [default=no]])],
[enable_debug=yes],
[enable_debug=no]
)
AC_MSG_RESULT([$enable_debug])
if test "$enable_debug" = yes; then
OPT_FLAGS="-O0 -g"
else
OPT_FLAGS="-O3"
fi
if test -z "$CFLAGS"; then
CFLAGS="$OPT_FLAGS"
fi
if test -z "$CXXFLAGS"; then
CXXFLAGS="$OPT_FLAGS"
fi
AC_CONFIG_HEADERS([src/config/config.h])
AC_PROG_CC
AC_PROG_CXX
AC_CANONICAL_HOST
AS_CASE([$host],
[*mingw* | *cygwin*], [
AC_ENABLE_STATIC
AC_DISABLE_SHARED
], [
AC_ENABLE_SHARED
AC_DISABLE_STATIC])
AC_PROG_LIBTOOL
if echo "$host" | $GREP "cygwin" >/dev/null 2>&1 && test "$enable_shared" = "yes"; then
AC_MSG_ERROR([Shared build is broken on cygwin.
Please remove --enable-shared from your configure options or build with another --host.])
fi
AC_FUNC_ALLOCA
if ! test "x$ac_cv_working_alloca_h" = "xyes" && ! test "x$ac_cv_func_alloca_works" = "xyes"; then
AC_MSG_FAILURE([ffms2 requires alloca to compile])
fi
dnl Workaround for a bug in libtool
dnl The windows libtool uses a file magic checking method that only accepts
dnl dynamic libraries. Change it for libtool's alternative checking method.
if test "$lt_cv_file_magic_cmd" = "func_win32_libid" ; then
deplibs_check_method='file_magic file format pei*-(i386|x86-64)|(.*architecture: i386)?'
file_magic_cmd='$OBJDUMP -f'
fi
FFMS_VERSION="$(sh $(dirname -- "$0")/version.sh)"
AC_SUBST([FFMS_VERSION])
_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
AC_LANG_PUSH([C++])
AC_MSG_CHECKING([if -fvisibility=hidden works])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([char foo;])],
[fvisibility_works=yes],
[fvisibility_works=no]
)
AC_MSG_RESULT([$fvisibility_works])
if test "$fvisibility_works" = no; then
CXXFLAGS="$_CXXFLAGS"
fi
AC_LANG_POP([C++])
CHECK_ZLIB
AC_MSG_CHECKING([for CoUninitialize in -lole32])
_LIBS="$LIBS"
LIBS="-lole32 $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <objbase.h>
]],[[
CoUninitialize();
return 0;
]])], [AC_MSG_RESULT([yes])], [LIBS="$_LIBS"; AC_MSG_RESULT([no])])
dnl Save CFLAGS and LIBS for later, as anything else we add will be from pkg-config
dnl and thus should be separate in our .pc file.
_CFLAGS="$CFLAGS"
_LIBS="$LIBS"
PKG_PROG_PKG_CONFIG([0.22])
pkgconfigdir="\$(libdir)/pkgconfig"
AC_SUBST(pkgconfigdir)
PKG_CHECK_MODULES(LIBAV, [libavformat >= 53.20.0 libavcodec >= 53.24.0 libswscale >= 0.7.0 libavutil >= 51.21.0 ])
CPPFLAGS="$CPPFLAGS -D__STDC_CONSTANT_MACROS"
dnl As of 0eec06ed8747923faa6a98e474f224d922dc487d ffmpeg only adds -lrt to lavc's
dnl LIBS, but lavu needs it, so move it to the end if it's present
LIBAV_LIBS=$(echo $LIBAV_LIBS | sed 's/\(.*\) -lrt\(.*\)/\1\2 -lrt/')
AC_SUBST([LIBAV_CFLAGS])
AC_SUBST([LIBAV_LIBS])
AC_DEFUN([TEST_IS_FFMPEG],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <libavcodec/avcodec.h>
#include <libswscale/swscale.h>
]],[[
#if LIBAVCODEC_VERSION_MICRO >= 100
/* is ffmpeg */
#elif LIBAVCODEC_VERSION_INT < AV_VERSION_INT(53, 47, 100)
/* hopefully libav doesn''t add G2M before 53.47.... */
(void)CODEC_ID_G2M;
#else
#error is libav or old enough that the distinction doesn't matter
#endif
]])], [eval $1=yes], [eval $1=no])
])
AC_MSG_CHECKING([whether linking with FFmpeg or Libav])
CFLAGS="$_CFLAGS $LIBAV_CFLAGS"
TEST_IS_FFMPEG([FFMS_USE_FFMPEG_COMPAT])
if test "$FFMS_USE_FFMPEG_COMPAT" = yes; then
AC_DEFINE([FFMS_USE_FFMPEG_COMPAT], [1], [Building with FFmpeg?])
_lav_name=FFmpeg
else
_lav_name=Libav
fi
AC_MSG_RESULT([$_lav_name])
AC_DEFUN([TEST_LIBAV],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <libavcodec/avcodec.h>
#include <libswscale/swscale.h>
]],[[
avcodec_register_all();
swscale_version();
#ifdef FFMS_USE_FFMPEG_COMPAT
int bogus = CODEC_ID_G2M;
(void) bogus;
#endif
]])], [eval $1=yes], [eval $1=no])
])
AC_MSG_CHECKING([whether $_lav_name works])
LIBS="$_LIBS $LIBAV_LIBS"
TEST_LIBAV([LIBAV_WORKS])
AC_MSG_RESULT([$LIBAV_WORKS])
if test "$LIBAV_WORKS" = no; then
AC_MSG_FAILURE([cannot link with $_lav_name])
fi
AC_MSG_CHECKING([whether avformat_get_riff_video_tags is available])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <libavformat/avformat.h>
]],
[[
#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(54, 1, 0)
const struct AVCodecTag *tags = avformat_get_riff_video_tags();
(void)tags;
#endif
]])],
[
AC_DEFINE([RETARDED_LIBAV_RELEASE_BRANCH_WHICH_INTRODUCED_AVFORMAT_GET_RIFF_VIDEO_TAGS_AT_A_VERSION_NUMBER_WHICH_HAD_ALREADY_BEEN_USED], [1], [ ])
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
])
AC_ARG_ENABLE(avresample,
AS_HELP_STRING([--enable-avresample],
[use libavresample for audio resampling]))
AS_IF([test x$enable_avresample != xno], [
PKG_CHECK_MODULES(AVRESAMPLE, [libavresample >= 1.0.0], [enable_avresample=yes], [
AS_IF([test x$enable_avresample = xyes],
[AC_MSG_ERROR([--enable-avresample was specified, but avresample 1.0.0+ could not be found.])])
enable_avresample=no
])
])
AS_IF([test x$enable_avresample != xno],
[libavresample="libavresample"
AC_DEFINE([WITH_AVRESAMPLE], [1], [Use avresample])])
dnl See similar thing for LIBAV_LIBS
AVRESAMPLE_LIBS=$(echo $AVRESAMPLE_LIBS | sed 's/\(.*\) -lrt\(.*\)/\1\2 -lrt/')
AC_SUBST([AVRESAMPLE_CFLAGS])
AC_SUBST([AVRESAMPLE_LIBS])
AC_SUBST([libavresample])
AC_MSG_CHECKING([whether -Wl,-Bsymbolic is needed])
if test "$enable_shared" = yes; then
_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -shared $lt_prog_compiler_pic"
TEST_LIBAV([no_bsymbolic])
if test "$no_bsymbolic" = "no"; then
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
TEST_LIBAV([bsymbolic])
if test "$bsymbolic" = "yes"; then
LDFLAGS="$_LDFLAGS -Wl,-Bsymbolic"
else
AC_MSG_RESULT($bsymbolic)
AC_MSG_FAILURE([cannot build ffms2 as a shared library])
fi
else
bsymbolic=no
LDFLAGS="$_LDFLAGS"
fi
LDFLAGS="$LDFLAGS -version-info $VERSION_INFO"
else
bsymbolic=no
fi
CFLAGS="$_CFLAGS -std=c99"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64 -DFFMS_EXPORTS"
LIBS="$_LIBS"
AC_MSG_RESULT($bsymbolic)
if echo "$host" | $GREP "mingw" >/dev/null 2>&1; then
LTUNDEF="-no-undefined"
fi
AC_SUBST([LTUNDEF])
AC_CONFIG_FILES([
Makefile
ffms2.pc
])
AC_OUTPUT
|
