[mm-common] Shorten relative path to source output directory

[Daniel Elstner <daniel src gnome org>]

commit d0f97a1e04c92d23a75f02218c899ef72ef34eb8
Author: Daniel Elstner <daniel kitta gmail com>
Date:   Wed Oct 7 00:07:25 2009 +0200

    Shorten relative path to source output directory
    
    * build/generate-binding.am (binding_outputdir): Assign a simplified
    relative path if a separate build directory is not used.

 build/generate-binding.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/build/generate-binding.am b/build/generate-binding.am
index 68839c1..7703c28 100644
--- a/build/generate-binding.am
+++ b/build/generate-binding.am
@@ -29,7 +29,7 @@ codegen_srcdir ?= $(top_srcdir)/codegen
 codegen_m4_srcdir ?= $(codegen_srcdir)/m4
 
 # Destination directory of the generated source files.
-binding_outputdir ?= $(top_srcdir)/$(dir $(subdir))$(binding_name)
+binding_outputdir ?= $(if $(srcdir:.=),$(top_srcdir)/$(dir $(subdir)),../)$(binding_name)
 
 # Additional built sources not generated by gmmproc.
 other_built_sources = $(binding_outputdir)/wrap_init.cc