[folks] Include /folks in PKG_CONFIG_PATH

[Travis Reitter <treitter src gnome org>]

commit b1735191b8119484488c0deadd3e9c1b9ff38eb0
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Fri Jun 21 17:41:24 2013 -0700

    Include /folks in PKG_CONFIG_PATH
    
    This is required for the gobject-introspection tools to find the folks
    pkgconfig files.
    
    Bug: https://bugzilla.gnome.org/show_bug.cgi?id=702490

 configure.ac |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 53f5d27..b40d0d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,11 @@ LT_INIT
 PKG_PROG_PKG_CONFIG([0.21])
 GLIB_GSETTINGS
 
+# Always look for .pc files in /folks so backend support libraries can be
+# introspected properly
+PKG_CONFIG_PATH=$(pwd)/folks:$PKG_CONFIG_PATH
+AC_SUBST([PKG_CONFIG_PATH])
+
 AC_SUBST([CFLAGS])
 AC_SUBST([CPPFLAGS])
 AC_SUBST([LDFLAGS])