[grilo] Add plugins' configuration directory from autotools

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit ab1a42f028ab2b9029cce6d0d9b5572efaca5beb
Author: Joaquim Rocha <jrocha igalia com>
Date:   Tue Jun 15 19:03:21 2010 +0200

    Add plugins' configuration directory from autotools

 configure.ac    |    9 +++++++++
 src/Makefile.am |    2 ++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 050b844..b28fca8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,12 +65,21 @@ if test $libdir = "\${exec_prefix}/lib" ; then
 	libdir="$prefix/lib"
 fi
 
+if test $datadir = "NONE" ; then
+	datadir="$prefix/share"
+fi
+
 # Plugins directory
 
 GRL_PLUGINS_DIR="${libdir}/${GRL_NAME}"
 AC_SUBST(GRL_PLUGINS_DIR)
 AC_DEFINE_UNQUOTED(GRL_PLUGINS_DIR, "$GRL_PLUGINS_DIR", [Plugins directory])
 
+# Plugins configuration directory
+
+GRL_PLUGINS_CONF_DIR="${datadir}/${GRL_NAME}/plugins"
+AC_SUBST(GRL_PLUGINS_CONF_DIR)
+
 # ----------------------------------------------------------
 # UNINSTALLED SUPPORT
 # ----------------------------------------------------------
diff --git a/src/Makefile.am b/src/Makefile.am
index 67bc2d8..4b76905 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,6 +5,8 @@
 #
 # Copyright (C) 2010 Igalia S.L. All rights reserved.
 
+INCLUDES = -DGRL_PLUGINS_CONF_DIR=\""$(GRL_PLUGINS_CONF_DIR)"\"
+
 SUBDIRS = . tests
 
 lib_LTLIBRARIES = lib GRL_NAME@.la