--- openclonk-5.5.1/CMakeLists.orig 2015-02-20 12:19:12.760304874 +0200 +++ openclonk-5.5.1/CMakeLists.txt 2015-02-20 12:20:39.503220438 +0200 @@ -1347,7 +1347,7 @@ endif() if(USE_BOOST_REGEX) - SET(Boost_USE_STATIC_LIBS ${USE_STATIC_BOOST}) + SET(Boost_USE_STATIC_LIBS/usr/include/boost ${USE_STATIC_BOOST}) find_package(Boost 1.40.0 REQUIRED COMPONENTS regex) # Disable automatic linking, we'll do it ourselves add_definitions(-DBOOST_REGEX_NO_LIB)