FindPlace in lua now returns null for failure to find a place, and accepts a 5th parameter to try finding a place without considering proximity (note that this can place a gear right next to mines).
file(GLOB lua_src *.c *.h)
set(LIBRARY_OUTPUT_PATH ${EXECUTABLE_OUTPUT_PATH})
IF(APPLE)
# set(CMAKE_OSX_ARCHITECTURES "x86_64;i386;ppc7400")
set(build_type STATIC)
add_definitions(-DLUA_USE_LINUX)
add_library (lua ${build_type} ${lua_src})
ENDIF(APPLE)
IF(WIN32)
set(build_type SHARED)
add_definitions(-DLUA_BUILD_AS_DLL)
add_library (lua ${build_type} ${lua_src})
ENDIF(WIN32)
if(WIN32)
SET_TARGET_PROPERTIES(lua PROPERTIES PREFIX "")
install(TARGETS lua RUNTIME DESTINATION ${target_dir})
endif(WIN32)