AC_INIT(rsvg.h)

dnl ===========================================================================

GDK_PIXBUF_REQUIRED=1.3.7
GLIB_REQUIRED=2.0.0
LIBART_REQUIRED=2.3.10
LIBXML_REQUIRED=2.4.7
PANGOFT2_REQUIRED=1.0.0
POPT_REQUIRED=1.5

AC_SUBST(GDK_PIXBUF_REQUIRED)
AC_SUBST(GLIB_REQUIRED)
AC_SUBST(LIBART_REQUIRED)
AC_SUBST(LIBXML_REQUIRED)
AC_SUBST(PANGOFT2_REQUIRED)
AC_SUBST(POPT_REQUIRED)

dnl ===========================================================================

LIBRSVG_MAJOR_VERSION=2
LIBRSVG_MINOR_VERSION=0
LIBRSVG_MICRO_VERSION=1
AC_SUBST(LIBRSVG_MAJOR_VERSION)
AC_SUBST(LIBRSVG_MINOR_VERSION)
AC_SUBST(LIBRSVG_MICRO_VERSION)

LIBRSVG_VERSION=$LIBRSVG_MAJOR_VERSION.$LIBRSVG_MINOR_VERSION.$LIBRSVG_MICRO_VERSION

VERSION_INFO=`expr $LIBRSVG_MAJOR_VERSION + $LIBRSVG_MINOR_VERSION`:$LIBRSVG_MICRO_VERSION:$LIBRSVG_MINOR_VERSION
AC_SUBST(VERSION_INFO)

dnl ===========================================================================

AM_INIT_AUTOMAKE(librsvg, $LIBRSVG_VERSION)
AM_CONFIG_HEADER(config.h)

AM_MAINTAINER_MODE

AC_ISC_POSIX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_AWK
AM_PROG_LIBTOOL
AC_STDC_HEADERS

AC_C_BIGENDIAN

GNOME_REQUIRE_PKGCONFIG

dnl ===========================================================================

PKG_CHECK_MODULES(LIBRSVG, \
	gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED \
	glib-2.0 >= $GLIB_REQUIRED \
	libart-2.0 >= $LIBART_REQUIRED \
	libxml-2.0 >= $LIBXML_REQUIRED \
	pangoft2 >= $PANGOFT2_REQUIRED)
AC_SUBST(LIBRSVG_LIBS)
AC_SUBST(LIBRSVG_CFLAGS)

dnl ===========================================================================

AC_CHECK_LIB(popt, poptParseArgvString, [POPT_LIBS="-lpopt"],
AC_MSG_ERROR([popt 1.5 or newer is required to build librsvg.
You can download the latest version from ftp://ftp.rpm.org/pub/rpm/dist/rpm-4.0.x/]))
AC_SUBST(POPT_LIBS)

dnl ===========================================================================

dnl Turn on the additional warnings last, so -Werror doesn't affect other tests.

AC_ARG_ENABLE(more-warnings,
[  --enable-more-warnings  Maximum compiler warnings],
set_more_warnings="$enableval",[
if test -f $srcdir/CVSVERSION; then
        is_cvs_version=true
        set_more_warnings=yes
else
        set_more_warnings=no
fi
])
AC_MSG_CHECKING(for more warnings, including -Werror)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
        AC_MSG_RESULT(yes)
        CFLAGS="\
        -Wall \
        -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes \
        -Wnested-externs -Wpointer-arith \
        -Wcast-align -Wsign-compare \
        -Werror \
        $CFLAGS"

        for option in -Wsign-promo -Wno-sign-compare; do
                SAVE_CFLAGS="$CFLAGS"
                CFLAGS="$option $CFLAGS"
                AC_MSG_CHECKING([whether gcc understands $option])
                AC_TRY_COMPILE([], [],
                        has_option=yes,
                        has_option=no,)
                if test $has_option = no; then
			CFLAGS="$SAVE_CFLAGS"
                fi
                AC_MSG_RESULT($has_option)
                unset has_option
                unset SAVE_CFLAGS
        done
        unset option
else
        AC_MSG_RESULT(no)
fi

dnl ===========================================================================

AC_OUTPUT([
librsvg.spec
librsvg-features.h
Makefile
librsvg-2.0.pc])