--- cmake/libkml.pc.in.orig	2015-12-21 18:23:05.000000000 +0100
+++ cmake/libkml.pc.in	2023-04-24 19:56:38.000000000 +0200
@@ -4,6 +4,7 @@
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
+boost_includedir=@Boost_INCLUDE_DIRS@
 
 Name: LibKML
 Description: Reference implementation of OGC KML 2.2