diff -up Cgl-0.58.5/Makefile.in.orig Cgl-0.58.5/Makefile.in
--- Cgl-0.58.5/Makefile.in.orig	2013-11-12 03:44:13.000000000 -0200
+++ Cgl-0.58.5/Makefile.in	2014-01-08 13:17:43.115511065 -0200
@@ -878,7 +878,7 @@ uninstall-local: uninstall-doc
 
 install-data-hook:
 	@$(mkdir_p) "$(addlibsdir)"
-@COIN_HAS_PKGCONFIG_TRUE@	PKG_CONFIG_PATH=@COIN_PKG_CONFIG_PATH@ \
+@COIN_HAS_PKGCONFIG_TRUE@	PKG_CONFIG_PATH=$(DESTDIR)$(pkgconfiglibdir) \
 @COIN_HAS_PKGCONFIG_TRUE@	$(PKG_CONFIG) --libs cgl > $(addlibsdir)/cgl_addlibs.txt
 @COIN_CXX_IS_CL_TRUE@@COIN_HAS_PKGCONFIG_FALSE@	echo "-libpath:`$(CYGPATH_W) @abs_lib_dir@` libCgl.lib @CGLLIB_LIBS_INSTALLED@" > $(addlibsdir)/cgl_addlibs.txt
 @COIN_CXX_IS_CL_FALSE@@COIN_HAS_PKGCONFIG_FALSE@	echo -L@abs_lib_dir@ -lCgl @CGLLIB_LIBS_INSTALLED@ > $(addlibsdir)/cgl_addlibs.txt