cmake HAVE_SIG_ATOMIC_T examples

polardb/polardbx-engine extra/libfido2/libfido2-1.8.0/CMakeLists.txt :121 

check_type_size("sig_atomic_t" HAVE_SIG_ATOMIC_T)

GreatSQL/GreatSQL extra/libfido2/libfido2-1.8.0/CMakeLists.txt :121 

check_type_size("sig_atomic_t" HAVE_SIG_ATOMIC_T)

facebook/mysql-5.6 extra/libfido2/libfido2-1.8.0/CMakeLists.txt :121 

check_type_size("sig_atomic_t" HAVE_SIG_ATOMIC_T)