cmake HAVE_COMPC examples

robotology/yarp extern/thrift/thrift/build/cmake/DefineOptions.cmake :51 

find_program(HAVE_COMPC NAMES compc HINTS ${POSSIBLE_PATHS})

robotology/yarp extern/thrift/thrift/build/cmake/DefineOptions.cmake :53 

CMAKE_DEPENDENT_OPTION(BUILD_AS3 "Build as3 library" ON
                       "BUILD_LIBRARIES;WITH_AS3;HAVE_COMPC" OFF)