cmake HAVE_FPSETMASK examples

SWI-Prolog/swipl-devel cmake/Config.cmake :247 

check_function_exists(fpsetmask HAVE_FPSETMASK)

arkdb/inception configure.cmake :404 

CHECK_FUNCTION_EXISTS (fpsetmask HAVE_FPSETMASK)

alibaba/AliSQL configure.cmake :509 

CHECK_FUNCTION_EXISTS (fpsetmask HAVE_FPSETMASK)

Tokutek/mysql-5.5 configure.cmake :345 

CHECK_FUNCTION_EXISTS (fpsetmask HAVE_FPSETMASK)