Some old mingw-w64 builds seem to provide an incomplete implementation
of the API. Add an extra check to make sure it's disabled for those.
Signed-off-by: James Almer <jamrial@gmail.com>
check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
-check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt
+check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
+ check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
check_lib ole32 "windows.h" CoTaskMemFree -lole32
check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi