From 9dafc8a0ff3f57f2231c54af251bff58c052f569 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 23 Jul 2013 11:57:22 +0200
Subject: [PATCH] Add --with-vala-api option to allow packagers select vala api
 version

Let packagers set what vala API version they want build the bindings,
rather than require the they use whatever the xfce4-vala maintainer's
distro happens to use.
---
 acinclude.m4    | 12 ++++++------
 configure.ac.in |  9 +++++++--
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/acinclude.m4 b/acinclude.m4
index b47cb49..c6b56f4 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -22,9 +22,9 @@ dnl # Check for the package vala-0.16 and substitutes useful Vala variables.
 dnl #
 AC_DEFUN([M8T_CHECK_VALA],
 [
-PKG_CHECK_MODULES([VALA], [libvala-0.16 >= $1])
-M8T_VALA_PROGS()
-M8T_VAPI_DIR()
+PKG_CHECK_MODULES([VALA], [libvala-$1])
+M8T_VALA_PROGS([$1])
+M8T_VAPI_DIR([$1])
 ])
 
 dnl # M8T_VALA_PROGS()
@@ -34,8 +34,8 @@ dnl #
 AC_DEFUN([M8T_VALA_PROGS],
 [
 AC_PATH_PROG([VALAC], [valac], [valac])
-AC_SUBST([VAPIGEN], `$PKG_CONFIG --variable=vapigen libvala-0.16`)
-AC_SUBST([VALAGI], `$PKG_CONFIG --variable=vala_gen_introspect libvala-0.16`)
+AC_SUBST([VAPIGEN], `$PKG_CONFIG --variable=vapigen libvala-$1`)
+AC_SUBST([VALAGI], `$PKG_CONFIG --variable=vala_gen_introspect libvala-$1`)
 ])
 
 dnl # M8T_VAPI_DIR()
@@ -44,5 +44,5 @@ dnl # Substitutes vapidir from vala-0.16 pkgconfig file.
 dnl #
 AC_DEFUN([M8T_VAPI_DIR],
 [
-AC_SUBST([vapidir], `$PKG_CONFIG --variable=vapidir libvala-0.16`)
+AC_SUBST([vapidir], `$PKG_CONFIG --variable=vapidir libvala-$1`)
 ])
diff --git a/configure.ac.in b/configure.ac.in
index a8241d3..c29cde0 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -29,14 +29,19 @@ M8T_CHECK_PACKAGE([LIBXFCE4PANEL], [libxfce4panel-1.0], [4.10.0])
 M8T_CHECK_PACKAGE([EXO], [exo-1], [0.8.0])
 
 dnl Check for Vala
-M8T_CHECK_VALA([0.16.0])
+AC_ARG_WITH([vala-api],
+		AC_HELP_STRING([--with-vala-api=VERSION],
+				[Use Vala API version VERSION]),
+		[vala_api=$withval],
+		[vala_api='0.16'])
+M8T_CHECK_VALA([$vala_api])
 AC_ARG_WITH([default-vapidir],
 		AC_HELP_STRING([--with-default-vapidir],
 				[Use default VAPI prefix from Vala installation]),
 		[],
 		[with_default_vapidir=no])
 if test x"$with_default_vapidir" == xno ; then
-	AC_SUBST([vapidir], [${datarootdir}/vala-0.16/vapi])
+	AC_SUBST([vapidir], [${datarootdir}/vala-${vala_api}/vapi])
 fi
 
 dnl Makefile outputs
-- 
1.8.3.3