[PATCH] D134018: [clang] [Driver] Add an option to disable default config filenames

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

This makes sense.



================
Comment at: clang/lib/Driver/Driver.cpp:1027
 
-  // If config file is not specified explicitly, try to deduce configuration
-  // from executable name. For instance, an executable 'armv7l-clang' will
-  // search for config file 'armv7l-clang.cfg'.
-  if (CfgFileName.empty() && !ClangNameParts.TargetPrefix.empty())
-    CfgFileName = ClangNameParts.TargetPrefix + '-' + ClangNameParts.ModeSuffix;
+  if (!CLOptions || !CLOptions->hasArg(options::OPT_no_default_config)) {
+    // If config file is not specified explicitly, try to deduce configuration
----------------
`&&` ?


================
Comment at: clang/test/Driver/config-file3.c:49
+// NO-DEFAULT-CONFIG-NOT: Configuration file:
+//
 //--- Invocation qqq-clang-g++ tries to find config file qqq.cfg if qqq-clang-g++.cfg is not found.
----------------
The convention doesn't use otherwise empty `// `. The file does not obey the convention but your new lines can drop the empty `//`


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  https://reviews.llvm.org/D134018/new/

https://reviews.llvm.org/D134018