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AC_PREREQ(2.62)
dnl initialize autoconf
dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
AC_INIT(GNonLin, 0.11.89.1,
http://gnonlin.sourceforge.net/,
gnonlin)
AG_GST_INIT
dnl initialize automake
AM_INIT_AUTOMAKE([-Wno-portability 1.11 no-dist-gzip dist-xz tar-ustar])
dnl define PACKAGE_VERSION_* variables
AS_VERSION
dnl check if this is a release version
AS_NANO(GST_GIT="no", GST_GIT="yes")
dnl can autoconf find the source ?
AC_CONFIG_SRCDIR([gnl/gnl.c])
dnl define the output header for config
AM_CONFIG_HEADER([config.h])
dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE([enable])
dnl sets host_* variables
AC_CANONICAL_HOST
dnl use pretty build output with automake >= 1.11
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
[AM_DEFAULT_VERBOSITY=1
AC_SUBST(AM_DEFAULT_VERBOSITY)])
dnl our libraries and install dirs use major.minor as a version
GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
dnl we override it here if we need to for the release candidate of new series
GST_API_VERSION=1.0
AC_SUBST(GST_API_VERSION)
AS_LIBTOOL(GST, 0, 0, 0)
dnl *** required versions of GStreamer stuff ***
GST_REQ=0.11.2
GSTPB_REQ=0.11.2
dnl *** autotools stuff ****
dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
dnl Add parameters for aclocal
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
dnl *** check for arguments to configure ***
AG_GST_ARG_DEBUG
AG_GST_ARG_VALGRIND
AG_GST_ARG_GCOV
AG_GST_ARG_WITH_PKG_CONFIG_PATH
AG_GST_ARG_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
dnl *** checks for platform ***
dnl * hardware/architecture *
dnl *** checks for programs ***
dnl find a compiler
AC_PROG_CC
AC_PROG_CC_STDC
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
dnl check for documentation tools
AG_GST_DOCBOOK_CHECK
GTK_DOC_CHECK([1.3])
AS_PATH_PYTHON([2.1])
dnl *** checks for libraries ***
dnl *** checks for header files ***
dnl *** checks for types/defines ***
dnl *** checks for structures ***
dnl *** checks for compiler characteristics ***
dnl *** checks for library functions ***
dnl *** checks for dependancy libraries ***
dnl GLib is required
AG_GST_GLIB_CHECK([2.31])
dnl checks for gstreamer
dnl uninstalled is selected preferentially -- see pkg-config(1)
AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ], [yes])
AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ], [yes])
AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GSTPB_REQ], [yes])
dnl check for uninstalled plugin directories for unit tests
AG_GST_CHECK_GST_PLUGINS_GOOD($GST_API_VERSION, [0.11.0])
dnl There are paths for documentation xrefs
GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
GST_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-$GST_API_VERSION`"
GSTPB_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-plugins-base-$GST_API_VERSION`"
AC_SUBST(GLIB_PREFIX)
AC_SUBST(GST_PREFIX)
AC_SUBST(GSTPB_PREFIX)
AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
AM_CONDITIONAL(HAVE_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
dnl *** set variables based on configure arguments ***
dnl set license and copyright notice
GST_LICENSE="LGPL"
AC_DEFINE_UNQUOTED(GST_LICENSE, "$GST_LICENSE", [GStreamer license])
AC_SUBST(GST_LICENSE)
dnl set location of plugin directory
AG_GST_SET_PLUGINDIR
dnl define an ERROR_CFLAGS Makefile variable
AG_GST_SET_ERROR_CFLAGS($GST_GIT, [-Wmissing-declarations -Wmissing-prototypes
-Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral
-Wformat-security -Wold-style-definition -Wcast-align -Winit-self
-Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar
-Wnested-externs])
dnl define correct level for debugging messages
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
dnl used in examples
AG_GST_DEFAULT_ELEMENTS
dnl *** finalize CFLAGS, LDFLAGS, LIBS
dnl Overview:
dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
dnl GST_*: flags shared by built objects to link against GStreamer
dnl GST_ALL_LDFLAGS: linker flags shared by all
dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
dnl GST_LT_LDFLAGS: library versioning of our libraries
dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
dnl GST_OPTION_CFLAGS
if test "x$USE_DEBUG" = xyes; then
PROFILE_CFLAGS="-g"
fi
AC_SUBST(PROFILE_CFLAGS)
if test "x$GST_GIT" = "xyes"; then
DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
else
DEPRECATED_CFLAGS=""
fi
AC_SUBST(DEPRECATED_CFLAGS)
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
AC_SUBST(GST_OPTION_CFLAGS)
dnl FIXME: do we want to rename to GST_ALL_* ?
dnl prefer internal headers to already installed ones
dnl add GST_OPTION_CFLAGS, but overridable
GST_CFLAGS="$GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) -DGST_USE_UNSTABLE_API"
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)
dnl LDFLAGS really should only contain flags, not libs - they get added before
dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
GST_ALL_LDFLAGS="-no-undefined"
AC_SUBST(GST_ALL_LDFLAGS)
dnl this really should only contain flags, not libs - they get added before
dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc.*' $GST_ALL_LDFLAGS"
AC_SUBST(GST_PLUGIN_LDFLAGS)
dnl *** output files ***
dnl keep this alphabetic per directory, please
AC_CONFIG_FILES(
Makefile
common/Makefile
common/m4/Makefile
docs/Makefile
docs/libs/Makefile
docs/version.entities
m4/Makefile
tests/Makefile
tests/check/Makefile
gnl/Makefile
gnonlin.spec
)
AC_OUTPUT
echo "GNonLin configured. Type 'make' to build."
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