cmake HAVE_BACKTRACE_HEADERS examples

beefytech/Beef BeefRT/CMakeLists.txt :43 

CHECK_INCLUDE_FILE_CXX(backtrace.h HAVE_BACKTRACE_HEADERS)

beefytech/Beef BeefySysLib/CMakeLists.txt :38 

CHECK_INCLUDE_FILE_CXX(backtrace.h HAVE_BACKTRACE_HEADERS)

beefytech/Beef IDEHelper/CMakeLists.txt :40 

CHECK_INCLUDE_FILES(backtrace.h HAVE_BACKTRACE_HEADERS)