--- src/modules_projection/pj_proj4/pj_proj4/Makefile.orig	2013-07-25 21:13:11.000000000 +0200
+++ src/modules_projection/pj_proj4/pj_proj4/Makefile	2013-07-25 21:14:58.000000000 +0200
@@ -227,7 +227,7 @@
 CCDEPMODE = depmode=gcc3
 CFLAGS = -pipe -arch x86_64
 CPP = /usr/bin/clang -E
-CPPFLAGS = -I/opt/local/include
+CPPFLAGS = -I/opt/local/include -I/opt/local/lib/proj47/include
 CXX = /usr/bin/clang++
 CXXCPP = /usr/bin/clang++ -E
 CXXDEPMODE = depmode=gcc3