[sapwood] generate the gtkrc file for the gradient demo

[Sven Herzberg <herzi src gnome org>]

commit 9d4c374c521319d11db9a4d56d1f7ebc3079e9ad
Author: Sven Herzberg <sven herzberg lanedo com>
Date:   Thu Aug 5 10:06:55 2010 +0200

    generate the gtkrc file for the gradient demo
    
    This allows running the demo with builddir!=srcdir.
    
    * demos/Makefile.am: updated
    * demos/gradient.gtkrc -> demos/gradient.gtkrc.in: rename the file and
      provide a replacable template

 demos/Makefile.am                           |    5 +++++
 demos/{gradient.gtkrc => gradient.gtkrc.in} |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/demos/Makefile.am b/demos/Makefile.am
index abc5294..aed21be 100644
--- a/demos/Makefile.am
+++ b/demos/Makefile.am
@@ -10,6 +10,11 @@ noinst_PROGRAMS = \
 	gradient \
 	treeview
 
+all-local: gradient.gtkrc
+
+%.gtkrc: %.gtkrc.in
+	$(AM_V_GEN) sed 's|@SRCDIR@|$(srcdir)|' $< > $@
+
 CLEANFILES = engines
 MAINTAINERCLEANFILES = Makefile.in
 
diff --git a/demos/gradient.gtkrc b/demos/gradient.gtkrc.in
similarity index 86%
rename from demos/gradient.gtkrc
rename to demos/gradient.gtkrc.in
index c54aff4..9001170 100644
--- a/demos/gradient.gtkrc
+++ b/demos/gradient.gtkrc.in
@@ -1,5 +1,5 @@
 # vim:set ft=gtkrc sw=2 sts=2 expandtab:
-pixmap_path "images"
+pixmap_path "@SRCDIR@/images"
 
 style "button" {
   engine "sapwood" {