--- build/pkgs/libm4ri/spkg-install-orig	2014-05-16 18:34:53.000000000 +0000
+++ build/pkgs/libm4ri/spkg-install	2014-05-16 18:48:25.000000000 +0000
@@ -54,6 +54,7 @@
 
 cd $ROOT_DIR/src/
 
+env PKG_CONFIG_LIBDIR=$SAGE_LOCAL/lib/pkgconfig \
 ./configure --prefix="$SAGE_LOCAL" --libdir="$SAGE_LOCAL/lib" $ENABLE_DEBUG $DISABLE_SSE2
 
 if [ $? -ne 0 ]; then