cmake BOOST_FILESYSTEM_HAS_STAT_ST_MTIMESPEC examples

Jackarain/proxy third_party/boost/libs/filesystem/CMakeLists.txt :39 

check_cxx_source_compiles("#include <${CMAKE_CURRENT_SOURCE_DIR}/config/has_stat_st_mtimespec.cpp>" BOOST_FILESYSTEM_HAS_STAT_ST_MTIMESPEC)

Jackarain/proxy third_party/boost/libs/filesystem/CMakeLists.txt :201 

target_compile_definitions(boost_filesystem PRIVATE BOOST_FILESYSTEM_HAS_STAT_ST_MTIMESPEC)