sepavloff added inline comments.
================
Comment at: clang/lib/Driver/Driver.cpp:1098
+ // Try loading separate config for the target (variants 3. and 4.)
+ CfgFileName = RealTriple.str() + ".cfg";
+ if (searchForFile(CfgFilePath, CfgFileSearchDirs, CfgFileName, getVFS()) &&
----------------
Loading driver-mode config should take place before loading target config, it
allows to override default settings set by driver mode config in target config.
Also a test is need for such case.
================
Comment at: clang/test/Driver/config-file3.c:27
-//--- Invocation qqq-clang-g++ tries to find config file qqq-clang-g++.cfg
first.
+//--- Invocation x86_64-unknown-linux-gnu-clang-g++ tries
x86_64-unknown-linux-gnu-clang++.cfg first.
//
----------------
Tests must check the case when target prefix is not a real triple as in the
original test (qqq-clang).
================
Comment at: clang/test/Driver/config-file3.c:60
+//
+// RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++
--target=i386-unknown-linux-gnu --config-system-dir= --config-user-dir=
-no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-I386
+
----------------
We also need a test that checks that in the case of
`--target=i386-unknown-linux-gnu` and absence of
`i386-unknown-linux-gnu-clang++.cfg` clang does not load
`x86_64-unknown-linux-gnu-clang-g++.cfg`.
================
Comment at: clang/test/Driver/config-file3.c:168-170
+// FULL4: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu.cfg
+// FULL4-NOT: Configuration file:
+// FULL4: Configuration file: {{.*}}/testdmode/clang-g++.cfg
----------------
target and driver mode configs should be in reverse order.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D134337/new/
https://reviews.llvm.org/D134337
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