[anjuta] build: bgo#633661 - vala support is automagic

[Johannes Schmid <jhs src gnome org>]

commit bf96448d1a3d04b19c0e742a5541f8399fc374e0
Author: Pacho Ramos <pacho condmat1 ciencias uniovi es>
Date:   Thu Nov 4 10:37:19 2010 +0100

    build: bgo#633661 - vala support is automagic

 configure.ac |   21 +++++++++++++++++----
 1 files changed, 17 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1fd6f03..1f40614 100644
--- a/configure.ac
+++ b/configure.ac
@@ -266,10 +266,23 @@ AM_CONDITIONAL(HAVE_PLUGIN_SOURCEVIEW, [test x$sourceview = xyes])
 dnl Check for vala
 dnl -------------------------------------------------------------
 
-PKG_CHECK_MODULES(VALA,
-	[vala-0.10 >= $VALA_REQUIRED],
-	[enable_vala="yes"],
-	[enable_vala="no"])
+AC_ARG_ENABLE(vala,
+	AC_HELP_STRING([--disable-vala],[Disable vala support]),
+	[ if test "$enableval" = "no"; then
+		user_disabled_vala=1
+	  fi ],
+	[ user_disabled_vala=0 ])
+
+AC_MSG_CHECKING(if vala support is disabled)
+if test "$user_disabled_vala" = 1; then
+        AC_MSG_RESULT(yes)
+	enable_vala="no"
+else
+	AC_MSG_RESULT(no)
+	enable_vala="yes"
+	PKG_CHECK_MODULES(VALA,
+		[vala-0.10 >= $VALA_REQUIRED])
+fi
 
 if test x$enable_vala = xyes; then
 	AC_PATH_PROG(VALAC, valac, valac)