From 4a3a3e1cf344b992b2f978e5f2676cb0957b504a Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@linux.intel.com>
Date: Sat, 28 Feb 2009 17:54:27 +0000
Subject: [PATCH] Add pkg-config file for COGL

COGL should ship its own pkg-config file, obviously still pointing
to Clutter's compiler flags and linking options, for COGL-specific
variables that might be queried at configure time.

For instance, it's easier (and less verbose) to do:

  PKG_CHECK_EXISTS([cogl-gl-1.0],
                   [has_gl_backend=yes],
                   [has_gl_backend=no])

Than doing:

  AC_MSG_CHECKING([for GL support in COGL])
  cogl_backend=`$PKG_CONFIG --variable=cogl clutter-0.9`
  if test x$cogl_backend = xgl; then
    has_gl_backend=yes
    AC_MSG_RESULT([found])
  else
    has_gl_backend=no
    AC_MSG_RESULT([not found])
  fi
---
 .gitignore               |  1 +
 clutter/cogl/Makefile.am | 17 ++++++++++++++++-
 clutter/cogl/cogl.pc.in  | 15 +++++++++++++++
 configure.ac             |  1 +
 4 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 clutter/cogl/cogl.pc.in

diff --git a/.gitignore b/.gitignore
index 0eb228437..c0630e0a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ clutter/stamp-*
 /clutter/cogl/cogl-defines-gl.h
 /clutter/cogl/cogl-defines-gles.h
 /clutter/cogl/cogl.h
+/clutter/cogl/*.pc
 /clutter/cogl/gles/cogl-fixed-vertex-shader.[ch]
 /clutter/cogl/gles/cogl-fixed-fragment-shader.[ch]
 /clutter/*.gir
diff --git a/clutter/cogl/Makefile.am b/clutter/cogl/Makefile.am
index 443ec907f..da2a04409 100644
--- a/clutter/cogl/Makefile.am
+++ b/clutter/cogl/Makefile.am
@@ -2,6 +2,21 @@ SUBDIRS = common $(CLUTTER_COGL)
 
 BUILT_SOURCES = cogl.h
 
-EXTRA_DIST = cogl.h.in
+EXTRA_DIST = cogl.h.in cogl.pc.in
 
 DIST_SUBDIRS = common gl gles
+
+pc_files = \
+	cogl-$(CLUTTER_COGL)-$(CLUTTER_API_VERSION).pc \
+	cogl-$(CLUTTER_API_VERSION).pc
+
+cogl-$(CLUTTER_API_VERSION).pc: cogl.pc
+	$(QUIET_GEN)cp -f $< $(@F)
+
+cogl-$(CLUTTER_COGL)-$(CLUTTER_API_VERSION).pc: cogl.pc
+	$(QUIET_GEN)cp -f $< $(@F)
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = $(pc_files)
+
+CLEANFILES = $(pc_files)
diff --git a/clutter/cogl/cogl.pc.in b/clutter/cogl/cogl.pc.in
new file mode 100644
index 000000000..d69a0a5a1
--- /dev/null
+++ b/clutter/cogl/cogl.pc.in
@@ -0,0 +1,15 @@
+prefix=@prefix@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+apiversion=@CLUTTER_API_VERSION@
+requires=@CLUTTER_REQUIRES@
+backend=@clutterbackend@
+cogl=@CLUTTER_COGL@
+
+Name: COGL
+Description: Clutter GL abstraction library (${cogl} backend)
+Version: @VERSION@
+Libs: -L${libdir} -lclutter-${backend}-${apiversion}
+Cflags: -I${includedir}/clutter-${apiversion}
+Requires: ${requires}
diff --git a/configure.ac b/configure.ac
index 4d2c66a64..57b9278d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -686,6 +686,7 @@ AC_CONFIG_FILES([
         clutter/cogl/cogl.h
         clutter/cogl/cogl-defines-gl.h:clutter/cogl/gl/cogl-defines.h.in
         clutter/cogl/cogl-defines-gles.h:clutter/cogl/gles/cogl-defines.h.in
+        clutter/cogl/cogl.pc
         clutter/cogl/gl/Makefile
         clutter/cogl/gles/Makefile
         clutter/json/Makefile