--- eigen3-3.2.10/eigen/eigen3.pc.in.orig	2016-10-23 23:58:56.714454040 +0200
+++ eigen3-3.2.10/eigen/eigen3.pc.in	2016-10-23 23:59:02.068510229 +0200
@@ -6,4 +6,4 @@
 Requires:
 Version: @EIGEN_VERSION_NUMBER@
 Libs:
-Cflags: -I${prefix}/@INCLUDE_INSTALL_DIR@
+Cflags: -I@INCLUDE_INSTALL_DIR@