tools: update tooling to work with new macOS CLI …

Using High Sierra and `xcode-select --install` without installing full Xcode, our build tooling breaks due to faulty regular expressions. Update the `configure` script in our project root directory to handle multi-digit version numbers. `tools/gyp` and `deps/npm/node_modules/node-gyp` still need to be updated for a complete fix. PR-URL: #21173 Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Refael Ackermann <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: Trott

configure

@@ -667,7 +667,7 @@ def get_llvm_version(cc):
 
 def get_xcode_version(cc):
 return get_version_helper(
- cc, r"(^Apple LLVM version) ([5-9]\.[0-9]+)")
+ cc, r"(^Apple LLVM version) ([0-9]+\.[0-9]+)")
 
 def get_gas_version(cc):
  try: