[grilo] vala: Add support for Vala 0.16

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit ea3624ef5216f3ed0cdcbae42f5c8451eeb70341
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Mon Apr 2 10:32:37 2012 +0000

    vala: Add support for Vala 0.16
    
    And get rid of support for Vala less than 0.12.
    
    This makes easier the management, as before 0.12 pkg-config files used a
    different format.

 configure.ac |   19 +++++--------------
 1 files changed, 5 insertions(+), 14 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 79fb71b..7f1cec7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,8 +165,6 @@ AM_CONDITIONAL(ENABLE_TESTS, test "enable_tests" = "xyes")
 # VALA BINDINGS
 # ----------------------------------------------------------
 
-VALA_REQS=0.7.2
-
 AC_MSG_CHECKING([whether Vala plugin support is requested])
 AC_ARG_ENABLE([vala],
         AS_HELP_STRING([--enable-vala],[Enable Vala plugin support]),
@@ -174,18 +172,11 @@ AC_ARG_ENABLE([vala],
         [enable_vala=autodetect have_vala=yes])
 AC_MSG_RESULT([$enable_vala])
 if test "x$enable_vala" != "xno"; then
-        PKG_CHECK_EXISTS([ libvala-0.14 ],
-                         [ valapkg="libvala-0.14" ],
-                         [ PKG_CHECK_EXISTS([ libvala-0.12 ],
-                                            [ valapkg="libvala-0.12" ],
-                                            [ PKG_CHECK_EXISTS([ vala-0.10 ],
-                                                               [ valapkg="vala-0.10" ],
-                                                               [ PKG_CHECK_EXISTS([ vala-1.0 >= $VALA_REQS ],
-                                                                                  [ valapkg="vala-1.0" ],
-                                                                                  [ valapkg="" ] )
-                                                               ] )
-                                            ] )
-                          ] )
+	valapkg=""
+	m4_foreach([VERSION], [[0.12], [0.14], [0.16]],
+		   [PKG_CHECK_EXISTS([ libvala-VERSION ],
+                           [ valapkg="libvala-VERSION" ])
+		   ])
 
 	if test "x$valapkg" != "x"; then
 	        PKG_CHECK_MODULES([VALA], [ ${valapkg} ],