+append_path PKG_CONFIG_PATH /usr/local/cross/lib/pkgconfig
+append_path PKG_CONFIG_PATH /opt/local/lib/pkgconfig
+append_path PKG_CONFIG_PATH /opt/pkg/lib/pkgconfig
+append_path PKG_CONFIG_PATH /usr/pkg/lib/pkgconfig
+
+# TMPDIR (Only for Darwin)
+if [ `uname` = "Darwin" ]; then
+ if [ "$TMPDIR" = "" ]; then
+ export TMPDIR=`getconf DARWIN_USER_TEMP_DIR`
+ fi
+fi