--- config/check_depend.cmake.orig 2009-11-09 06:15:53.000000000 -0500 +++ config/check_depend.cmake 2010-02-02 16:30:34.000000000 -0500 @@ -143,7 +143,9 @@ if(OROCOS_TARGET STREQUAL "macosx") set(OROPKG_OS_MACOSX TRUE CACHE INTERNAL "This variable is exported to the rtt-config.h file to expose our target choice to the code." FORCE) - find_package(Boost 1.33 COMPONENTS thread REQUIRED) + if (NOT Boost_THREAD_FOUND) + find_package(Boost 1.33 REQUIRED thread) + endif () list(APPEND OROCOS-RTT_INCLUDE_DIRS ${Boost_thread_INCLUDE_DIRS} ) message( "Forcing ORO_OS_USE_BOOST_THREAD to ON")