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opal.m4
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opal.m4
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dnl ########################################################################
dnl Generic OPAL Macros
dnl ########################################################################
dnl OPAL_MSG_CHECK
dnl Print out a line of text and a result
dnl Arguments: $1 Message to print out
dnl $2 Result to print out
dnl Return: none
AC_DEFUN([OPAL_MSG_CHECK],
[
AC_MSG_CHECKING([$1])
AC_MSG_RESULT([$2])
])
dnl OPAL_SIMPLE
dnl Change a given variable according to arguments and subst and define it
dnl Arguments: $1 name of configure option
dnl $2 the variable to change, subst and define
dnl $3 the configure argument description
dnl $4 dependency variable #1
dnl $5 dependency variable #2
dnl Return: $$2 The (possibly) changed variable
AC_DEFUN([OPAL_SIMPLE_OPTION],
[
if test "x$$2" = "x"; then
AC_MSG_ERROR([No default specified for $2, please correct configure.ac])
fi
AC_ARG_ENABLE([$1],
[AC_HELP_STRING([--enable-$1],[$3])],
[$2=$enableval])
if test "x$4" != "x"; then
if test "x$$4" != "xyes"; then
AC_MSG_NOTICE([$1 support disabled due to disabled dependency $4])
$2=no
fi
fi
if test "x$5" != "x"; then
if test "x$$5" != "xyes"; then
AC_MSG_NOTICE([$1 support disabled due to disabled dependency $5])
$2=no
fi
fi
OPAL_MSG_CHECK([$3], [$$2])
AC_SUBST($2)
if test "x$$2" = "xyes"; then
AC_DEFINE([$2], [1], [$3])
fi
])
dnl OPAL_ADD_CFLAGS_LIBS
dnl Add options to LIBS and CFLAGS.
dnl Also add them to PKG_LIBS and PKG_REQUIRES accordingly.
dnl Arguments: $1 CFLAGS to add
dnl $2 LIBS to add
dnl $3 PKG library to add
dnl Return: none
AC_DEFUN([OPAL_ADD_CFLAGS_LIBS],
[
CFLAGS="$CFLAGS $1"
CXXFLAGS="$CXXFLAGS $1"
LIBS="$LIBS $2"
if test "x$3" = x; then
PKG_CFLAGS="$PKG_CFLAGS $1"
PKG_LIBS="$PKG_LIBS $2"
else
PKG_REQUIRES="$PKG_REQUIRES $3"
fi
])
dnl OPAL_GET_LIBNAME
dnl Find out the real name of a library file
dnl Arguments: $1 The prefix for variables referring to the library (e.g. LIBAVCODEC)
dnl $2 The name of the library (e.g. libavcodec)
dnl $3 The -l argument(s) of the library (e.g. -lavcodec)
dnl Return: $$1_LIB_NAME The actual name of the library file
dnl Define: $1_LIB_NAME The actual name of the library file
AC_DEFUN([OPAL_GET_LIBNAME],
[
AC_MSG_CHECKING(filename of $2 library)
AC_LANG_CONFTEST([AC_LANG_PROGRAM([[]],[[]])])
$CC -o conftest$ac_exeext $CPPFLAGS $CFLAGS $3 $LDFLAGS conftest.$ac_ext $LIBS>&AS_MESSAGE_LOG_FD
if test \! -x conftest$ac_exeext ; then
AC_MSG_RESULT(cannot determine - using defaults)
else
$1_LIB_NAME=`$OBJDUMP -x ./conftest$ac_exeext | grep 'NEEDED.*$2' | awk '{print @S|@2; }'`
AC_MSG_RESULT($$1_LIB_NAME)
AC_DEFINE_UNQUOTED([$1_LIB_NAME], ["$$1_LIB_NAME"], [Filename of the $2 library])
fi
])
dnl OPAL_DETERMINE_VERSION
dnl Determine OPAL's version number
dnl Arguments: $OPALDIR
dnl Return: $MAJOR_VERSION
dnl $MINOR_VERSION
dnl $BUILD_NUMBER
dnl $OPAL_VERSION
AC_DEFUN([OPAL_DETERMINE_VERSION],
[
MAJOR_VERSION=`cat $1/version.h | grep MAJOR_VERSION | cut -f3 -d' '`
MINOR_VERSION=`cat $1/version.h | grep MINOR_VERSION | cut -f3 -d' '`
BUILD_NUMBER=`cat $1/version.h | grep BUILD_NUMBER | cut -f3 -d' '`
OPAL_VERSION="${MAJOR_VERSION}.${MINOR_VERSION}.${BUILD_NUMBER}"
OPAL_MSG_CHECK([OPAL Version], [$OPAL_VERSION])
])
dnl OPAL_DETERMINE_PLUGIN_DIR
dnl Determine plugin install directory
dnl Arguments: $OPAL_VERSION
dnl Return: $PLUGIN_DIR
dnl $EXPANDED_PLUGIN_DIR
AC_DEFUN([OPAL_DETERMINE_PLUGIN_DIR],
[
AC_ARG_WITH([plugin-installdir],
AS_HELP_STRING([--with-plugin-installdir=DIR],[Location where plugins are installed, starting at the lib dir]),
[PLUGIN_DIR="$withval"],
[PLUGIN_DIR="opal-${OPAL_VERSION}"]
)
EXPANDED_PLUGIN_DIR="${libdir}/${PLUGIN_DIR}"
if test "x${exec_prefix}" = "xNONE" ; then
if test "x${prefix}" = "xNONE" ; then
EXPANDED_PLUGIN_DIR=`echo ${EXPANDED_PLUGIN_DIR} | sed s#\\${exec_prefix}#/usr/local#`
else
EXPANDED_PLUGIN_DIR=`echo ${EXPANDED_PLUGIN_DIR} | sed s#\\${exec_prefix}#${prefix}#`
fi
else
EXPANDED_PLUGIN_DIR=`echo ${EXPANDED_PLUGIN_DIR} | sed s#\\${exec_prefix}#${exec_prefix}#`
fi
OPAL_MSG_CHECK([Plugin install directory], [${EXPANDED_PLUGIN_DIR}])
])
dnl OPAL_DETERMINE_LIBNAMES
dnl Determine opal library and symlink names
dnl Arguments: $OSTYPE
dnl $MACHTYPE
dnl $SHAREDLIBEXT
dnl BUILD_TYPE
dnl BUILD_NUMBER
dnl $DEBUG_LEVEL
dnl Return: $OBJ_SUFFIX
dnl $OPAL_OBJDIR
dnl $LIB_FILENAME_STATIC
dnl $LIB_FILENAME_SHARED
dnl $LIB_FILENAME_SHARED_PAT
AC_DEFUN([OPAL_DETERMINE_LIBNAMES],
[
if test "x$1" = "xDEBUG" ; then
OBJ_SUFFIX="_d"
else
OBJ_SUFFIX=""
fi
$1_OPAL_OBJDIR="\${OPALDIR}/lib_${OSTYPE}_${MACHTYPE}/obj${OBJ_SUFFIX}"
OPAL_LIBDIR="\${OPALDIR}/lib_${OSTYPE}_${MACHTYPE}"
$1_LIB_NAME="libopal${OBJ_SUFFIX}"
$1_LIB_FILENAME_SHARED="libopal${OBJ_SUFFIX}.${SHAREDLIBEXT}"
$1_LIB_FILENAME_STATIC="libopal${OBJ_SUFFIX}_s.a"
if test "x${BUILD_TYPE}" = "x." ; then
build_suffix=".${BUILD_NUMBER}"
else
build_suffix="${BUILD_TYPE}${BUILD_NUMBER}"
fi
case "$OSTYPE" in
cygwin|mingw|Darwin)
$1_LIB_FILENAME_SHARED_PAT="libopal${OBJ_SUFFIX}.${MAJOR_VERSION}.${MINOR_VERSION}${build_suffix}.${SHAREDLIBEXT}"
;;
*)
$1_LIB_FILENAME_SHARED_PAT="libopal${OBJ_SUFFIX}.${SHAREDLIBEXT}.${MAJOR_VERSION}.${MINOR_VERSION}${build_suffix}"
;;
esac
AC_SUBST(OPAL_LIBDIR)
AC_SUBST($1_OPAL_OBJDIR)
AC_SUBST($1_LIB_NAME)
AC_SUBST($1_LIB_FILENAME_SHARED)
AC_SUBST($1_LIB_FILENAME_STATIC)
AC_SUBST($1_LIB_FILENAME_SHARED_PAT)
])
dnl OPAL_GCC_VERSION
dnl Verify that GCC version is > 3
dnl Arguments:
dnl Return:
AC_DEFUN([OPAL_GCC_VERSION],
[
if test "x$GXX" = "xyes" ; then
gcc_version=`$CXX -dumpversion`
AC_MSG_NOTICE(gcc version is $gcc_version);
GXX_MAJOR=`echo $gcc_version | sed 's/\..*$//'`
GXX_MINOR=[`echo $gcc_version | sed -e 's/[0-9][0-9]*\.//' -e 's/\..*$//'`]
GXX_PATCH=[`echo $gcc_version | sed -e 's/[0-9][0-9]*\.[0-9][0-9]*\.//' -e 's/\..*$//'`]
dnl cannot compile for less than gcc 3
AC_MSG_CHECKING(if gcc version is valid)
if test ${GXX_MAJOR} -lt 3 ; then
AC_MSG_RESULT(no)
AC_MSG_ERROR([OPAL requires gcc version 3 or later])
else
AC_MSG_RESULT(yes)
fi
fi
])
dnl OPAL_CHECK_BSR
dnl Check for bit scan intrinsic
dnl Arguments:
dnl Return: $1 action if-found
dnl $2 action if-not-found
AC_DEFUN([OPAL_CHECK_BSR],
[
BSR_TEST_SRC="
#include <stdlib.h>
#ifdef __GNUC__
unsigned int val = 0x00000FF0;
if (__builtin_clz(val) == 20)
exit(0);
#endif
exit(1);
"
AC_RUN_IFELSE([AC_LANG_SOURCE([[$BSR_TEST_SRC]])],[opal_gcc_clz=yes],[opal_gcc_clz=no],[opal_gcc_clz=yes])
OPAL_MSG_CHECK([for working bit scan intrinsic], [$opal_gcc_clz])
AS_IF([test AS_VAR_GET([opal_gcc_clz]) = yes], [$1], [$2])[]
])
dnl OPAL_CHECK_PTLIB_EXISTENCE
dnl Check for existence of PTLib variant
dnl Arguments:
dnl $1 debug suffix
dnl $2 link suffix
dnl $3 pkg-config flags
dnl
dnl Return:
dnl
AC_DEFUN([OPAL_CHECK_PTLIB_EXISTENCE],
[
suffix="$1$2"
if test "x$suffix" = "x" ; then
LIBS=`$PKG_CONFIG ptlib $3 --libs`
else
LIBS=`$PKG_CONFIG ptlib --define-variable=suffix=$suffix $3 --libs`
fi
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <ptbuildopts.h>
#include <ptlib.h>]],
[[
PString str("");
]])],
[found=1],
[found=0])
])
dnl ########################################################################
dnl PTLIB
dnl ########################################################################
dnl OPAL_FIND_PTLIB
dnl Find ptlib, either in PTLIBDIR or whereever on the system
dnl Arguments:
dnl Return: $PTLIB_VERSION
dnl $PTLIB_CFLAGS
dnl $PTLIB_CXXFLAGS
dnl $PTLIB_LIBS
dnl $PTLIB_MACHTYPE
dnl $PTLIB_OSTYPE
dnl $PTLIB_LIBS
dnl $DEBUG_LIBS
dnl $RELEASE_LIBS
dnl $DEFAULT_LIBS
AC_DEFUN([OPAL_FIND_PTLIB],
[
AC_ARG_VAR([PTLIBDIR], [path to ptlib directory if installed ptlib shall not be used])
AC_ARG_ENABLE([versioncheck],
[AC_HELP_STRING([--enable-versioncheck], [enable ptlib versioncheck])],
[PTLIB_VERSION_CHECK=$enableval],
[PTLIB_VERSION_CHECK=yes])
dnl This segment looks for PTLIB in PTLIBDIR
if test "x${PTLIBDIR}" != "x" ; then
if test "x${PKG_CONFIG_PATH}" != "x" ; then
export PKG_CONFIG_PATH="${PTLIBDIR}:${PKG_CONFIG_PATH}"
else
export PKG_CONFIG_PATH="${PTLIBDIR}"
fi
if ! $PKG_CONFIG --exists ptlib ; then
AC_MSG_ERROR([No PTLIB library found in ${PTLIBDIR}])
fi
echo "Found PTLIB in PTLIBDIR ${PTLIBDIR}"
echo PTLIB_REC_VERSION = $PTLIB_REC_VERSION
if test "x${PTLIB_VERSION_CHECK}" = "xyes" ; then
PKG_CHECK_MODULES(PTLIB, ptlib >= ${PTLIB_REC_VERSION})
else
PKG_CHECK_MODULES(PTLIB, ptlib)
fi
MACHTYPE=`$PKG_CONFIG ptlib --variable=machtype`
OSTYPE=`$PKG_CONFIG ptlib --variable=ostype`
PTLIB_VERSION=`$PKG_CONFIG ptlib --modversion`
PTLIB_CFLAGS=`$PKG_CONFIG ptlib --cflags`
PTLIB_CXXFLAGS=`$PKG_CONFIG ptlib --variable=cxxflags`
PTLIB_LIBS=`$PKG_CONFIG ptlib --libs`
RELEASE_LIBS=`$PKG_CONFIG ptlib --libs`
DEBUG_LIBS=`$PKG_CONFIG ptlib --define-variable=suffix=_d --libs`
dnl This segment looks for PTLIB on the system
else
if test "x${PTLIB_VERSION_CHECK}" = "xyes" ; then
PKG_CHECK_MODULES(PTLIB, ptlib >= ${PTLIB_REC_VERSION})
else
PKG_CHECK_MODULES(PTLIB, ptlib)
fi
MACHTYPE=`$PKG_CONFIG ptlib --variable=machtype`
OSTYPE=`$PKG_CONFIG ptlib --variable=ostype`
PTLIB_VERSION=`$PKG_CONFIG ptlib --modversion`
PTLIB_CXXFLAGS=`$PKG_CONFIG ptlib --variable=cxxflags`
DEBUG_LIBS=`$PKG_CONFIG ptlib --define-variable=suffix=_d --libs`
RELEASE_LIBS="$PTLIB_LIBS"
fi
dnl determine which variant of ptlib is installed (static/dynamic, release/debug)
AC_LANG(C++)
dnl check if dynamic library is available
old_CXXFLAGS="$CXXFLAGS"
old_LIBS="$LIBS"
old_LDFLAGS="$LDFLAGS"
CXXFLAGS="$CXXFLAGS $PTLIB_CFLAGS $PTLIB_CXXFLAGS"
AC_MSG_CHECKING([linkable PTLib])
DEBUG_LIBS=`$PKG_CONFIG ptlib --define-variable=suffix=_d --libs`
RELEASE_LIBS=`$PKG_CONFIG ptlib --libs`
OPAL_CHECK_PTLIB_EXISTENCE([""], [""], [""])
if test "x$found" = "x1" ; then
DEFAULT_LIBS=$LIBS
AC_MSG_RESULT([opt, shared])
else
OPAL_CHECK_PTLIB_EXISTENCE([_d], [""], [""])
if test "x$found" = "x1" ; then
DEFAULT_LIBS=$LIBS
AC_MSG_RESULT([debug, shared])
else
DEBUG_LIBS=`$PKG_CONFIG ptlib --static --define-variable=suffix=_d_s --libs`
RELEASE_LIBS=`$PKG_CONFIG ptlib --static --define-variable=suffix=_s --libs`
OPAL_CHECK_PTLIB_EXISTENCE([""], [_s], [--static])
if test "x$found" = "x1" ; then
DEFAULT_LIBS=$LIBS
AC_MSG_RESULT([release, static])
else
OPAL_CHECK_PTLIB_EXISTENCE([_d], [_s], [--static])
if test "x$found" = "x1" ; then
DEFAULT_LIBS=$LIBS
AC_MSG_RESULT([debug, static])
else
AC_MSG_RESULT([not found])
exit -1
fi
fi
fi
fi
CXXFLAGS="$old_CXXFLAGS"
LDFLAGS="$old_LDFLAGS"
LIBS="$old_LIBS"
echo "Version: ${PTLIB_VERSION}"
echo "CFLAGS: ${PTLIB_CFLAGS}"
echo "CXXFLAGS: ${PTLIB_CXXFLAGS}"
echo "DEBUG: ${DEBUG_LIBS}"
echo "RELEASE: ${RELEASE_LIBS}"
])
dnl OPAL_CHECK_PTLIB
dnl Check if ptlib was compiled with a specific optional feature
dnl Arguments: $1 Name of feature
dnl $2 ptlib/pasn.h Header file to include
dnl $3 Code to test the feature
dnl $4 Variable to set/define
dnl Return: $$4
dnl Define: $4
AC_DEFUN([OPAL_CHECK_PTLIB],
[
old_CXXFLAGS="$CXXFLAGS"
old_LIBS="$LIBS"
old_LIBS="$LIBS"
CXXFLAGS="$CXXFLAGS $PTLIB_CFLAGS $PTLIB_CXXFLAGS"
LIBS="$LIBS $DEFAULT_LIBS"
AC_LANG(C++)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <ptbuildopts.h>
#include <ptlib.h>
#include <$2>]],
[[
$3
]])],
[opal_ptlib_option=yes],
[opal_ptlib_option=no])
CXXFLAGS="$old_CXXFLAGS"
LIBS="$old_LIBS"
OPAL_MSG_CHECK([PTLIB has $1], [$opal_ptlib_option])
$4="$opal_ptlib_option"
AC_SUBST($4)
if test "x$opal_ptlib_option" = "xyes" ; then
AC_DEFINE([$4], [1], [$1])
fi
])
dnl OPAL_CHECK_PTLIB_MANDATORY
dnl Check if ptlib was compiled with a specific mandatory feature
dnl Arguments: $1 Name of feature
dnl $2 ptlib/pasn.h Header file to include
dnl $3 Code to test the feature
AC_DEFUN([OPAL_CHECK_PTLIB_MANDATORY],
[
old_CXXFLAGS="$CXXFLAGS"
old_LIBS="$LIBS"
CXXFLAGS="$CXXFLAGS $PTLIB_CFLAGS $PTLIB_CXXFLAGS"
LIBS="$LIBS $DEFAULT_LIBS"
AC_LANG(C++)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <ptbuildopts.h>
#include <ptlib.h>
#include <$2>]],
[[
$3
]])],
[opal_ptlib_option=yes],
[opal_ptlib_option=no])
CXXFLAGS="$old_CXXFLAGS"
LIBS="$old_LIBS"
OPAL_MSG_CHECK([PTLIB has $1], [$opal_ptlib_option])
if test "x$opal_ptlib_option" = "xno" ; then
echo " ERROR: compulsory feature from PTLib disabled.";
exit 1;
fi
])
dnl OPAL_CHECK_PTLIB_DEFINE
dnl Verify if a specific #define in ptlib is defined
dnl Arguments: $1 define name / description
dnl $2 PTLIB define
dnl $3 OPAL define to set
dnl Return:
dnl Define: $3
AC_DEFUN([OPAL_CHECK_PTLIB_DEFINE],
[
old_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $PTLIB_CFLAGS $PTLIB_CXXFLAGS"
AC_LANG(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <ptbuildopts.h>
#include <ptlib.h>
#include <iostream>
]],
[[
#ifndef $2
#error "$2 not defined"
#endif
]])],
[opal_ptlib_option=yes],
[opal_ptlib_option=no])
CXXFLAGS="$old_CXXFLAGS"
OPAL_MSG_CHECK([PTLIB has option $1], [$opal_ptlib_option])
$3="$opal_ptlib_option"
AC_SUBST($3)
if test "x$opal_ptlib_option" = "xyes" ; then
AC_DEFINE([$3], [1], [$1])
fi
])
dnl ########################################################################
dnl LIBAVCODEC
dnl ########################################################################
dnl OPAL_LIBAVCODEC_HACK
dnl Whether to activate or deactivate the memory alignment hack for libavcodec
dnl Arguments: $LIBAVCODEC_STACKALIGN_HACK The default value
dnl Return: $LIBAVCODEC_STACKALIGN_HACK The possibly user-mandated value
dnl Define: LIBAVCODEC_STACKALIGN_HACK The possibly user-mandated value
AC_DEFUN([OPAL_LIBAVCODEC_HACK],
[
AC_ARG_ENABLE([libavcodec-stackalign-hack],
[AC_HELP_STRING([--enable-libavcodec-stackalign-hack], [Stack alignment hack for libavcodec library])],
[LIBAVCODEC_STACKALIGN_HACK=$enableval])
if test x$LIBAVCODEC_STACKALIGN_HACK = xyes; then
AC_MSG_NOTICE(libavcodec stack align hack enabled)
AC_DEFINE([LIBAVCODEC_STACKALIGN_HACK], [1], [Stack alignment hack for libavcodec library])
else
AC_MSG_NOTICE(libavcodec stack align hack disabled)
fi
])
dnl OPAL_LIBAVCODEC_SOURCE
dnl Allow the user to specify the libavcodec source dir for full MPEG4 rate control
dnl Arguments: none
dnl Return: $LIBAVCODEC_SOURCE_DIR The directory
dnl Define: LIBAVCODEC_SOURCE_DIR The directory
AC_DEFUN([OPAL_LIBAVCODEC_SOURCE],
[
AC_MSG_CHECKING(libavcodec source)
LIBAVCODEC_SOURCE_DIR=
AC_ARG_WITH([libavcodec-source-dir],
[AC_HELP_STRING([--with-libavcodec-source-dir],[Directory with libavcodec source code, for MPEG4 rate control correction])])
if test -f "$with_libavcodec_source_dir/libavcodec/avcodec.h"
then
AC_MSG_RESULT(enabled)
LIBAVCODEC_SOURCE_DIR="$with_libavcodec_source_dir"
AC_DEFINE([LIBAVCODEC_HAVE_SOURCE_DIR], [1], [Directory with libavcodec source code, for MPEG4 rate control correction])
else
LIBAVCODEC_SOURCE_DIR=
AC_MSG_RESULT(disabled)
fi
])
dnl OPAL_LIBAVCODEC_HEADER
dnl Find out whether libavcodec headers reside in ffmpeg/ (old) or libavcodec/ (new)
dnl Arguments: $LIBAVCODEC_CFLAGS The cflags for compiling apps with libavcodec
dnl Return: none
dnl Define: LIBAVCODEC_HEADER The libavcodec header (e.g. libavcodec/avcodec.h)
AC_DEFUN([OPAL_LIBAVCODEC_HEADER],
[LIBAVCODEC_HEADER=
old_CPPFLAGS="$CPPFLAGS"
export CPPFLAGS="$CPPFLAGS $LIBAVCODEC_CFLAGS"
AC_CHECK_HEADER([libavcodec/avcodec.h],
[
AC_DEFINE([LIBAVCODEC_HEADER],
["libavcodec/avcodec.h"],
[The libavcodec header file])
LIBAVCODEC_HEADER="libavcodec/avcodec.h"
],
[])
if test x$LIBAVCODEC_HEADER = x; then
AC_CHECK_HEADER([ffmpeg/avcodec.h],
[
AC_DEFINE([LIBAVCODEC_HEADER],
["ffmpeg/avcodec.h"],
[The libavcodec header file])
LIBAVCODEC_HEADER="ffmpeg/avcodec.h"
])
fi
if test x$LIBAVCODEC_HEADER = x; then
AC_MSG_ERROR([Cannot find libavcodec header file])
fi
export CPPFLAGS="$old_CPPFLAGS"
])
dnl OPAL_CHECK_LIBAVCODEC
dnl Check if libavcodec has a specific C symbol
dnl Arguments: $LIBAVCODEC_LIBS The libs needed to link to libavcodec
dnl $1 symbol name
dnl $2 action if-found
dnl $3 action if-not-found
dnl Return:
AC_DEFUN([OPAL_CHECK_LIBAVCODEC],
[
AC_MSG_CHECKING(if libavcodec has $1)
got_symbol=no
AC_LANG_CONFTEST([AC_LANG_PROGRAM([[]],[[]])])
$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS $LIBAVCODEC_LIBS>&AS_MESSAGE_LOG_FD
if test -x conftest$ac_exeext ; then
libavcodec_libdir=`$LDD ./conftest$ac_exeext | grep libavcodec | awk '{print @S|@3; }'`
if test "$libavcodec_libdir" = "not" ; then
AC_MSG_RESULT([no, please check LD_LIBRARY_PATH])
else
symbol=`@S|@NM -D @S|@libavcodec_libdir | grep $1`
if test "x$symbol" != "x"; then
got_symbol=yes
fi
AC_MSG_RESULT([$got_symbol])
fi
fi
AS_IF([test AS_VAR_GET([got_symbol]) = yes], [$2], [$3])[]
])
dnl ########################################################################
dnl x264
dnl ########################################################################
dnl OPAL_X264_LINKAGE
dnl Whether to statically link the H.264 helper to x264 or to load libx264 dynamically when the helper is executed
dnl Arguments: $X264_LINK_STATIC The default value
dnl Return: $X264_LINK_STATIC The possibly user-mandated value
dnl Define: X264_LINK_STATIC The possibly user-mandated value
AC_DEFUN([OPAL_X264_LINKAGE],
[
AC_ARG_ENABLE([x264-link-static],
[AC_HELP_STRING([--enable-x264-link-static], [Statically link x264 to the plugin. Default for win32.])],
[X264_LINK_STATIC=$enableval])
if test x$X264_LINK_STATIC = xyes; then
AC_MSG_NOTICE(x264 static linking enabled)
AC_DEFINE([X264_LINK_STATIC],
[1],
[Statically link x264 to the plugin. Default for win32.])
else
AC_MSG_NOTICE(x264 static linking disabled)
fi
])
dnl ########################################################################
dnl speex
dnl ########################################################################
dnl OPAL_SPEEX_TYPES
dnl Define necessary typedefs for Speex
dnl Arguments: none
dnl Return: SIZE16 short or int
dnl SIZE32 short, int or long
AC_DEFUN([OPAL_SPEEX_TYPES],
[
old_CFLAGS="$CFLAGS"
old_LIBS="$LIBS"
CFLAGS=
LIBS=
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
case 2 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
case 4 in
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
$ac_cv_sizeof_short) SIZE32="short";;
esac
CFLAGS="$old_CFLAGS"
LIBS="$old_LIBS"
])
dnl OPAL_SPEEX_TYPES
dnl Determine whether to use the system or internal speex (can be forced), uses pkg-config
dnl Arguments: none
dnl Return: $SPEEX_SYSTEM whether system or interal speex shall be used
dnl $SPEEX_INTERNAL_VERSION Internal speex version
dnl $SPEEX_SYSTEM_VERSION System speex version (if found)
dnl $SPEEX_CFLAGS System speex cflags (if using system speex)
dnl $SPEEX_LIBS System speex libs (if using system speex)
AC_DEFUN([OPAL_DETERMINE_SPEEX],
[AC_ARG_ENABLE([localspeex],
[AC_HELP_STRING([--enable-localspeex],[Force use local version of Speex library rather than system version])],
[localspeex=$enableval],
[localspeex=])
AC_MSG_CHECKING(internal Speex version)
SPEEX_CFLAGS=
SPEEX_LIBS=
if test -f "audio/Speex/libspeex/misc.h"; then
SPEEX_INTERNAL_VERSION=`grep "#define SPEEX_VERSION" audio/Speex/libspeex/misc.h | sed -e 's/^.*speex\-//' -e 's/\".*//'`
elif test -f "src/codec/speex/libspeex/misc.h"; then
SPEEX_INTERNAL_VERSION=`grep "#define SPEEX_VERSION" src/codec/speex/libspeex/misc.h | sed -e 's/^.*speex\-//' -e 's/\".*//'`
else
AC_MSG_ERROR([Could not find internal speex library])
fi
AC_MSG_RESULT($SPEEX_INTERNAL_VERSION)
if test "x${localspeex}" = "xyes" ; then
AC_MSG_NOTICE(forcing use of local Speex sources)
SPEEX_SYSTEM=no
elif test "x${localspeex}" = "xno" ; then
AC_MSG_NOTICE(forcing use of system Speex library)
PKG_CHECK_MODULES([SPEEX],
[speex],
[SPEEX_SYSTEM=yes],
[
AC_MSG_ERROR([cannot find system speex])
])
else
AC_MSG_NOTICE(checking whether system Speex or internal Speex is more recent)
PKG_CHECK_MODULES([SPEEX],
[speex >= $SPEEX_INTERNAL_VERSION],
[SPEEX_SYSTEM=yes],
[
SPEEX_SYSTEM=no
AC_MSG_RESULT(internal Speex version is more recent than system Speex or system Speex not found)
])
fi
if test "x${SPEEX_SYSTEM}" = "xyes" ; then
SPEEX_SYSTEM_VERSION=`$PKG_CONFIG speex --modversion`
AC_MSG_RESULT(using system Speex version $SPEEX_SYSTEM_VERSION)
fi
])
dnl OPAL_DETERMINE_SPEEXDSP
dnl Determine whether to use the system or internal speex dsp lib (can be forced), uses pkg-config
dnl Arguments: none
dnl Return: $SPEEXDSP_SYSTEM whether system or interal speex dsp lib shall be used
dnl $SPEEXDSP_CFLAGS System speex cflags (if using system speex)
dnl $SPEEXDSP_LIBS System speex libs (if using system speex)
AC_DEFUN([OPAL_DETERMINE_SPEEXDSP],
[SPEEXDSP_SYSTEM=no
AC_ARG_ENABLE([localspeexdsp],
[AC_HELP_STRING([--enable-localspeexdsp],[Force use local version of Speex DSP library for echo cancellation rather than system version])],
[localspeexdsp=$enableval],
[localspeexdsp=no])
if test "x$localspeexdsp" = "xno" ; then
PKG_CHECK_MODULES([SPEEXDSP],
[speexdsp],
[SPEEXDSP_SYSTEM=yes],
[
AC_MSG_RESULT(System Speex DSP library not found)
])
if test "x$SPEEXDSP_SYSTEM" = "xyes" ; then
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $SPEEXDSP_CFLAGS"
AC_CHECK_HEADERS([speex/speex.h], [AC_DEFINE(OPAL_HAVE_SPEEX_SPEEX_H, [1], [speex/speex.h available])])
CFLAGS="$old_CFLAGS"
fi
fi
])
dnl OPAL_SPEEX_FLOAT
dnl Determine whether to use the system or internal speex dsp lib (can be forced), uses pkg-config
dnl Arguments: $SPEEXDSP_CFLAGS
dnl $SPEEXDSP_LIBS
dnl Return: $SPEEXDSP_SYSTEM whether system or interal speex dsp lib shall be used
AC_DEFUN([OPAL_SPEEX_FLOAT],
[
old_CFLAGS="$CFLAGS"
old_LIBS="$LIBS"
CFLAGS="$CFLAGS $SPEEXDSP_CFLAGS -Werror"
LIBS="$LIBS $SPEEXDSP_LIBS"
AC_CHECK_HEADERS([speex/speex.h], [speex_inc_dir="speex/"], [speex_inc_dir=])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <${speex_inc_dir}speex.h>
#include <${speex_inc_dir}speex_preprocess.h>
#include <stdio.h>]],
[[
SpeexPreprocessState *st;
spx_int16_t *x;
float *echo;
speex_preprocess(st, x, echo);
return 0;
]])], [opal_speexdsp_float=yes], [opal_speexdsp_float=no])
CFLAGS="$old_CFLAGS"
LIBS="$old_LIBS"
OPAL_MSG_CHECK([Speex has float], [$opal_speexdsp_float])
AS_IF([test AS_VAR_GET([opal_speexdsp_float]) = yes], [$1], [$2])[]
])
dnl ########################################################################
dnl libdl
dnl ########################################################################
dnl OPAL_FIND_LBDL
dnl Try to find a library containing dlopen()
dnl Arguments: $1 action if-found
dnl $2 action if-not-found
dnl Return: $DL_LIBS The libs for dlopen()
AC_DEFUN([OPAL_FIND_LIBDL],
[
opal_libdl=no
AC_CHECK_HEADERS([dlfcn.h], [opal_dlfcn=yes], [opal_dlfcn=no])
if test "$opal_dlfcn" = yes ; then
AC_MSG_CHECKING(if dlopen is available)
AC_LANG(C)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <dlfcn.h>]],[[void * p = dlopen("lib", 0);]])],
[opal_dlopen=yes], [opal_dlopen=no])
if test "$opal_dlopen" = no ; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
case "$OSTYPE" in
freebsd|openbsd|netbsd|Darwin)
AC_CHECK_LIB([c],[dlopen],
[
opal_libdl=yes
DL_LIBS="-lc"
],
[opal_libdl=no])
;;
*)
AC_CHECK_LIB([dl],[dlopen],
[
opal_libdl=yes
DL_LIBS="-ldl"
],
[opal_libdl=no])
;;
esac
fi
fi
AS_IF([test AS_VAR_GET([opal_libdl]) = yes], [$1], [$2])[]
])
dnl ########################################################################
dnl GSM
dnl ########################################################################
dnl OPAL_FIND_GSM
dnl Try to find an installed libgsm that is compiled with WAV49
dnl Arguments: $1 action if-found
dnl $2 action if-not-found
dnl Return: $GSM_CFLAGS
dnl $GSM_LIBS
AC_DEFUN([OPAL_FIND_GSM],
[
opal_gsm=no
AC_CHECK_LIB(gsm, gsm_create, opal_gsm=yes)
if test "x$opal_gsm" = "xyes"; then
AC_MSG_CHECKING(if system GSM library has WAV49)
old_LIBS=$LIBS
opal_gsm=no
LIBS="$LIBS -lgsm"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <gsm/gsm.h>
]],[[
int option = 0;
gsm handle = gsm_create();
return (gsm_option(handle, GSM_OPT_WAV49, &option) == -1) ? 1 : 0;
]])], opal_gsm=yes)
LIBS=$old_LIBS
AC_MSG_RESULT($opal_gsm)
if test "x${opal_gsm}" = "xyes" ; then
GSM_CFLAGS="-I/usr/include/gsm -I/usr/local/include/gsm"
GSM_LIBS="-lgsm"
fi
OPAL_MSG_CHECK([System GSM], [$opal_gsm])
fi
AS_IF([test AS_VAR_GET([opal_gsm]) = yes], [$1], [$2])[]
])
dnl ########################################################################
dnl SPANDSP
dnl ########################################################################
dnl OPAL_FIND_SPANDSP
dnl Find spandsp
dnl Arguments: $1 action if-found
dnl $2 action if-not-found
dnl Return: $SPANDSP_LIBS
AC_DEFUN([OPAL_FIND_SPANDSP],
[
saved_LIBS="$LIBS"
LIBS="$LIBS -lspandsp"
AC_CHECK_LIB(spandsp, fax_free,
[
AC_CHECK_LIB(spandsp, t38_core_get_logging_state, [opal_spandsp=yes], [opal_spandsp=no])
],
[opal_spandsp=no])
LIBS=$saved_LIBS
saved_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$CXXFLAGS -D__STDC_LIMIT_MACROS"
if test "x${opal_spandsp}" = "xyes"; then
AC_CHECK_HEADERS([spandsp.h], [opal_spandsp=yes], [opal_spandsp=no], [#include <stdint.h>])
fi
AS_IF([test AS_VAR_GET([opal_spandsp]) = yes], [$1], [$2])[]
if test "x$opal_spandsp" = "xyes" ; then
SPANDSP_LIBS="-lspandsp"
AC_CHECK_LIB(spandsp, t38_set_fastest_image_data_rate, [SPANDSP_CFLAGS=-DHAS_T38_SET_FASTEST_IMAGE_DATA_RATE], [])
AC_SUBST(SPANDSP_CFLAGS)
AC_SUBST(SPANDSP_LIBS)
fi
CXXFLAGS=$saved_CXXFLAGS
])
dnl ########################################################################
dnl LIBZRTP
dnl ########################################################################
dnl OPAL_FIND_LIBZRTP
dnl Try to find zrtp library
dnl Arguments:
dnl Return: $1 action if-found
dnl $2 action if-not-found
dnl $ZRTP_INCDIR
dnl $ZRTP_LIBDIR
dnl $ZRTP_LIBS
dnl $ZRTP_CFLAGS
dnl $BN_INCDIR
dnl $BN_LIBDIR
AC_DEFUN([OPAL_FIND_LIBZRTP],
[
opal_libzrtp=no
ZRTP_LIBS=
ZRTP_CFLAGS=
AC_ARG_WITH([zrtp_includedir],
AS_HELP_STRING([--with-zrtp-includedir=DIR],[ZRTP includes dir (default /usr/local/include/zrtp)])
,[AC_SUBST(ZRTP_INCDIR, $withval)]
,[AC_SUBST(ZRTP_INCDIR, "/usr/local/include/zrtp")]
)
AC_ARG_WITH([zrtp_libdir],
AS_HELP_STRING([--with-zrtp-libdir=DIR],[ZRTP3 library dir (deafult /usr/local/lib)])
,[AC_SUBST(ZRTP_LIBDIR, $withval)]
,[AC_SUBST(ZRTP_LIBDIR, "/usr/local/lib")]
)
AC_ARG_WITH([bn_includedir],
AS_HELP_STRING([--with-bn-includedir=DIR],[bn includes dir (deafult /usr/local/include/zrtp)])
,[AC_SUBST(BN_INCDIR, $withval)]
,[AC_SUBST(BN_INCDIR, "/usr/local/include/zrtp")]
)
AC_ARG_WITH([bn_libdir],
AS_HELP_STRING([--with-bn-libdir=DIR],[bn library dir (deafult /usr/local/lib)])
,[AC_SUBST(BN_LIBDIR, $withval)]
,[AC_SUBST(BN_LIBDIR, "/usr/local/lib")]
)
dnl Check for the includes presence
AC_MSG_CHECKING(for zrtp library includes in ${ZRTP_INCDIR})
if test -f ${ZRTP_INCDIR}/zrtp.h; then
opal_libzrtp=yes
ZRTP_LIBS="-lzrtp -lbn"
ZRTP_CFLAGS="-DBUILD_ZRTP_MUTEXES -DHAS_LIBZRTP -I${ZRTP_INCDIR} -I${BN_INCDIR}"
fi
OPAL_MSG_CHECK([libzrtp], [$opal_libzrtp])
AS_IF([test AS_VAR_GET([opal_libzrtp]) = yes], [$1], [$2])[]
])
dnl ########################################################################
dnl LIBSRTP
dnl ########################################################################
AC_DEFUN([OPAL_FIND_LIBSRTP],
[
AC_LANG(C)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[#include "srtp/srtp.h"]],
[[
crypto_policy_t p; p.cipher_key_len = SRTP_MASTER_KEY_LEN; return 0;
]]
)
],
[opal_libsrtp=yes],
[opal_libsrtp=no])
if test "x${opal_libsrtp}" = "xyes" ; then
SRTP_LIBS="-lsrtp"
fi
AS_IF([test AS_VAR_GET([opal_libsrtp]) = yes], [$1], [$2])[]
])
dnl ########################################################################
dnl JAVA
dnl ########################################################################