pkgconfig.patch

   1 --- eigen-eigen-b30b87236a1b/eigen3.pc.in~      2015-11-05 15:56:09.000000000 +0100
   2 +++ eigen-eigen-b30b87236a1b/eigen3.pc.in       2015-11-23 19:27:52.734187104 +0100
   3 @@ -3,4 +3,4 @@
   4  Requires:
   5  Version: ${EIGEN_VERSION_NUMBER}
   6  Libs:
   7 -Cflags: -I${INCLUDE_INSTALL_DIR}
   8 +Cflags: -I${CMAKE_INSTALL_PREFIX}/${INCLUDE_INSTALL_DIR}