diff -up lensfun-0.2.6/libs/lensfun/CMakeLists.txt.cmake_pkgconfig lensfun-0.2.6/libs/lensfun/CMakeLists.txt
--- lensfun-0.2.6/libs/lensfun/CMakeLists.txt.cmake_pkgconfig	2012-02-12 05:19:39.000000000 -0600
+++ lensfun-0.2.6/libs/lensfun/CMakeLists.txt	2012-06-28 09:27:52.891959669 -0500
@@ -26,3 +26,8 @@ INSTALL(TARGETS lensfun 
         RUNTIME DESTINATION ${BINDIR}
         LIBRARY DESTINATION ${LIBDIR}
         ARCHIVE DESTINATION ${LIBDIR})
+
+# pkgconfig support
+CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/lensfun.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/lensfun.pc @ONLY)
+INSTALL( FILES ${CMAKE_CURRENT_BINARY_DIR}/lensfun.pc DESTINATION ${LIBDIR}/pkgconfig )
+
diff -up lensfun-0.2.6/libs/lensfun/lensfun.pc.cmake.cmake_pkgconfig lensfun-0.2.6/libs/lensfun/lensfun.pc.cmake
--- lensfun-0.2.6/libs/lensfun/lensfun.pc.cmake.cmake_pkgconfig	2012-06-28 09:30:08.819551879 -0500
+++ lensfun-0.2.6/libs/lensfun/lensfun.pc.cmake	2012-06-28 09:29:05.323538151 -0500
@@ -0,0 +1,6 @@
+Name: lensfun
+Description: A photographic lens database and access library
+Version: @VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_MICRO@.@VERSION_BUGFIX@
+Requires.private: glib-2.0
+Libs: -L@CMAKE_INSTALL_PREFIX@/@LIBDIR@ -llensfun
+Cflags: -I@CMAKE_INSTALL_PREFIX@/@INCLUDEDIR@