[cogl/rig] Enable building without gtk-doc, e.g. on OSX

[Robert Bragg <rbragg src gnome org>]

commit aaea16a274860064bb0c7cc57eddeb2897eb5126
Author: Robert Bragg <robert linux intel com>
Date:   Fri May 17 17:02:19 2013 +0100

    Enable building without gtk-doc, e.g. on OSX

 Makefile.am  |    2 +-
 configure.ac |    6 ------
 2 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 913b82c..ff229dd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,7 +16,7 @@ if BUILD_COGL_PATH
 SUBDIRS += cogl-path
 endif
 
-SUBDIRS += tests examples doc po build
+SUBDIRS += tests examples po build
 
 ACLOCAL_AMFLAGS = -I build/autotools ${ACLOCAL_FLAGS}
 
diff --git a/configure.ac b/configure.ac
index bffc31b..d5cbdcf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1569,12 +1569,6 @@ cogl-gst/Makefile
 cogl-gst/cogl-gst.pc
 cogl-gles2/Makefile
 cogl-gles2/cogl-gles2-experimental.pc
-doc/Makefile
-doc/reference/Makefile
-doc/reference/cogl2/Makefile
-doc/reference/cogl2/cogl2-docs.xml
-doc/reference/cogl-gst/Makefile
-doc/reference/cogl-gst/cogl-gst-docs.xml
 examples/Makefile
 tests/Makefile
 tests/config.env