AC_PREREQ(2.52)
AC_INIT(src)
AC_CONFIG_SRCDIR(configure.ac)

AM_CONFIG_HEADER(config.h)

# Making releases:
#   LIBGPOD_MICRO_VERSION += 1;
#   LIBGPOD_INTERFACE_AGE += 1;
# if any functions have been added, set LIBGPOD_INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set LIBGPOD_BINARY_AGE and LIBGPOD_INTERFACE_AGE to 0.
#
LIBGPOD_MAJOR_VERSION=0
LIBGPOD_MINOR_VERSION=1
LIBGPOD_MICRO_VERSION=1
LIBGPOD_INTERFACE_AGE=1
# If you need a modifier for the version number. 
# Normally empty, but can be used to make "fixup" releases.
LIBGPOD_EXTRAVERSION=

dnl libtool versioning from libgnome

LIBGPOD_CURRENT=`expr 100 '*' $LIBGPOD_MINOR_VERSION + $LIBGPOD_MICRO_VERSION - $LIBGPOD_INTERFACE_AGE`
LIBGPOD_BINARY_AGE=`expr 100 '*' $LIBGPOD_MINOR_VERSION + $LIBGPOD_MICRO_VERSION`
LIBGPOD_REVISION=$LIBGPOD_INTERFACE_AGE
LIBGPOD_AGE=`expr $LIBGPOD_BINARY_AGE - $LIBGPOD_INTERFACE_AGE`
LIBGPOD_VERSION=$LIBGPOD_MAJOR_VERSION.$LIBGPOD_MINOR_VERSION.$LIBGPOD_MICRO_VERSION$LIBGPOD_EXTRAVERSION

AC_SUBST(LIBGPOD_CURRENT)
AC_SUBST(LIBGPOD_REVISION)
AC_SUBST(LIBGPOD_AGE)
AC_SUBST(LIBGPOD_VERSION)

AM_INIT_AUTOMAKE(libgpod, $LIBGPOD_VERSION)

dnl make sure we keep ACLOCAL_FLAGS around for maintainer builds to work
AC_SUBST(ACLOCAL_AMFLAGS, "$ACLOCAL_FLAGS")

AM_MAINTAINER_MODE

AC_GNU_SOURCE
AC_PROG_CC
AC_PROG_LD
AC_STDC_HEADERS
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_INTLTOOL([0.21])

PKG_CHECK_MODULES(LIBGPOD, glib-2.0)
LIBGPOD_CFLAGS="$LIBGPOD_CFLAGS -Wall"
AC_SUBST(LIBGPOD_CFLAGS)
AC_SUBST(LIBGPOD_LIBS)

dnl **************************************************
dnl * internationalization support
dnl **************************************************
ALL_LINGUAS=""

GETTEXT_PACKAGE=libgpod
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE", [Gettext package.])

AM_GLIB_GNU_GETTEXT


dnl warnings bits, copied from gnome-keyring configure.in
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="$enableval",[
if test -d "$srcdir/{arch}" || test -d "$srcdir/CVS"; then
	set_more_warnings=yes
else
	set_more_warnings=no
fi
])
AC_MSG_CHECKING(for more warnings, including -Werror)
if test "$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 -std=c89 \
	$CFLAGS"

	for option in -Wno-strict-aliasing -Wno-sign-compare -Wdeclaration-after-statement; do
		SAVE_CFLAGS="$CFLAGS"
		CFLAGS="$CFLAGS $option"
		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

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)

AC_OUTPUT([
Makefile
po/Makefile.in
src/Makefile
tests/Makefile
libgpod-1.0.pc
])