ctime_tests
-fsanitize=memory
Clang >= 16 has `-fsanitize-memory-param-retval` turned on by default, which is incompatible with
SECP256K1_LATE_CFLAGS
check_arm32_assembly
if(... IN_LIST ...)
64bit
x86_64
CMAKE_HOST_APPLE
libsecp256k1.pc
try_add_compile_option
try_append_cflags