[empathy] chat-resources: Fix dependencies generation on $(srcdir) != $(builddir)

[Emanuele Aina <emaaa src gnome org>]

commit 41d2d42c2461e9577f4b8802828e505bf49d1f32
Author: Emanuele Aina <emanuele aina collabora com>
Date:   Mon Apr 1 11:48:00 2013 +0200

    chat-resources: Fix dependencies generation on $(srcdir) != $(builddir)
    
    `glib-compile-resources generate-dependencies' needs the --sourcedir
    flag to be able to work properly when $(srcdir) != $(builddir).
    Spotted by running `make distcheck'.

 src/Makefile.am |   18 +++++++-----------
 1 files changed, 7 insertions(+), 11 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 0766d95..db30af3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -207,14 +207,10 @@ BUILT_SOURCES = \
 
 CLEANFILES = $(BUILT_SOURCES)
 
-empathy-chat-resources.c: empathy-chat.gresource.xml $(shell $(GLIB_COMPILE_RESOURCES) 
--generate-dependencies $(srcdir)/empathy-chat.gresource.xml)
-       $(AM_V_GEN)$(GLIB_COMPILE_RESOURCES) --target=$@ \
-               --sourcedir=$(srcdir) \
-               --generate-source \
-               $<
-
-empathy-chat-resources.h: empathy-chat.gresource.xml $(shell $(GLIB_COMPILE_RESOURCES) 
--generate-dependencies $(srcdir)/empathy-chat.gresource.xml)
-       $(AM_V_GEN)$(GLIB_COMPILE_RESOURCES) --target=$@ \
-               --sourcedir=$(srcdir) \
-               --generate-header \
-               $<
+chat_resource_files: $(shell $(GLIB_COMPILE_RESOURCES) --generate-dependencies --sourcedir=$(srcdir) 
$(srcdir)/empathy-chat.gresource.xml)
+
+empathy-chat-resources.c: empathy-chat.gresource.xml $(chat_resource_files)
+       $(AM_V_GEN)$(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --generate-source $<
+
+empathy-chat-resources.h: empathy-chat.gresource.xml $(chat_resource_files)
+       $(AM_V_GEN)$(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --generate-header $<