cmake HAVE_SIGPROCMASK examples

SWI-Prolog/swipl-devel cmake/Config.cmake :218 

check_function_exists(sigprocmask HAVE_SIGPROCMASK)

torch/DEPRECEATED-torch7-distro exe/qtlua/qlua/CMakeLists.txt :47 

CHECK_SYMBOL_EXISTS(sigprocmask "signal.h" HAVE_SIGPROCMASK)

torch/qtlua qlua/CMakeLists.txt :47 

CHECK_SYMBOL_EXISTS(sigprocmask "signal.h" HAVE_SIGPROCMASK)