Index: pkg-config/jsoncpp.pc.in
--- pkg-config/jsoncpp.pc.in.orig
+++ pkg-config/jsoncpp.pc.in
@@ -1,7 +1,7 @@
-prefix=@CMAKE_INSTALL_PREFIX@
-exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=@libdir_for_pc_file@
-includedir=@includedir_for_pc_file@
+prefix=${TRUEPREFIX}
+exec_prefix=${TRUEPREFIX}
+libdir=${TRUEPREFIX}/lib
+includedir=${TRUEPREFIX}/include/jsoncpp
 
 Name: jsoncpp
 Description: A C++ library for interacting with JSON