[libgda] Correction for bug #687235

[Vivien Malerba <vivien src gnome org>]

commit 5feea4454b12baa743ca2ffdc0e1f72378d5ecef
Author: Vivien Malerba <malerba gnome-db org>
Date:   Wed Oct 31 18:21:09 2012 +0100

    Correction for bug #687235

 configure.ac |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 06869f1..b8cded8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -496,9 +496,9 @@ AC_ARG_ENABLE([vala-extensions],
 
 if test "x$enable_gda_gi" = "xyes"
 then
-    VAPIGEN_CHECK([0.17.7],[0.18])
     if test "x$enable_vala_ext" = "xyes"
     then
+        VAPIGEN_CHECK([0.17.7],[0.18])
 	if test "x$enable_vala" != "xyes"
 	then
             AC_MSG_ERROR([Vala extensions for Libgda are requested but Vala/vapigen is not available or enabled])
@@ -508,6 +508,8 @@ then
         PKG_CHECK_MODULES(GEE, gee-0.8 >= $GEE_REQUIRED)
         AC_SUBST(GEE_CFLAGS)
         AC_SUBST(GEE_LIBS)
+    else
+        AM_CONDITIONAL(ENABLE_VAPIGEN, false)
     fi
 else
     AM_CONDITIONAL(ENABLE_VAPIGEN, false)