[gimp] Bug 625307 - Make gtk-doc-less git builds work again

[Martin Nordholts <martinn src gnome org>]

commit 4f14da539118f7a4017c271b202c6c6ea304672b
Author: Martin Nordholts <martinn src gnome org>
Date:   Fri Aug 20 08:14:01 2010 +0200

    Bug 625307 - Make gtk-doc-less git builds work again
    
    configure.ac: Check for GTK_DOC_CHECK avaiability before
    invoking. Should be enough to allow gtk-doc-less builds.

 configure.ac |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 066ae2f..05b36e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1795,7 +1795,11 @@ AM_CONDITIONAL(HAVE_XSLTPROC, test "x$XSLTPROC" != "xno")
 # Checks for gtk-doc and docbook-tools
 ######################################
 
+# Check for GTK_DOC_CHECK availability. The GTK_DOC_CHECK invocation
+# must be on its own line, gtkdocize relies on it
+m4_ifdef([GTK_DOC_CHECK], [
 GTK_DOC_CHECK([1.0])
+])
 
 # NOTE: We need to use a separate automake conditional for this
 #       to make this work with the tarballs.