diff -up CoinMP-1.7.6/Makefile.in.orig CoinMP-1.7.6/Makefile.in
--- CoinMP-1.7.6/Makefile.in.orig	2013-11-15 02:33:30.000000000 -0200
+++ CoinMP-1.7.6/Makefile.in	2014-04-19 13:26:15.086626608 -0300
@@ -791,7 +791,7 @@ distclean-local:
 
 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 coinmp > $(addlibsdir)/coinmp_addlibs.txt
 @COIN_CXX_IS_CL_TRUE@@COIN_HAS_PKGCONFIG_FALSE@	echo "-libpath:`$(CYGPATH_W) @abs_lib_dir@` libCoinMP.lib @CBCLIB_LIBS_INSTALLED@" > $(addlibsdir)/coin_addlibs.txt
 @COIN_CXX_IS_CL_FALSE@@COIN_HAS_PKGCONFIG_FALSE@	echo -L@abs_lib_dir@ -lCoinMP @COINMP_LIBS_INSTALLED@ > $(addlibsdir)/coinmp_addlibs.txt