Author: maskray
Date: Sat Sep 14 00:25:27 2019
New Revision: 371920
URL: http://llvm.org/viewvc/llvm-project?rev=371920&view=rev
Log:
[clang-scan-deps] Add -M to work around -MT issue after r371918
gcc will complain if -MT is used but neither -M nor -MM is specified:
> cc1: error: to generate dependencies you must specify either -M or -MM
r371918 changed our behavior to match GCC, but apparently
clang-scan-deps is not happy.
Modified:
cfe/trunk/tools/clang-scan-deps/ClangScanDeps.cpp
Modified: cfe/trunk/tools/clang-scan-deps/ClangScanDeps.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-scan-deps/ClangScanDeps.cpp?rev=371920&r1=371919&r2=371920&view=diff
==============================================================================
--- cfe/trunk/tools/clang-scan-deps/ClangScanDeps.cpp (original)
+++ cfe/trunk/tools/clang-scan-deps/ClangScanDeps.cpp Sat Sep 14 00:25:27 2019
@@ -242,6 +242,7 @@ int main(int argc, const char **argv) {
AdjustedArgs.push_back("-o");
AdjustedArgs.push_back("/dev/null");
if (!HasMT && !HasMQ) {
+ AdjustedArgs.push_back("-M");
AdjustedArgs.push_back("-MT");
// We're interested in source dependencies of an object file.
if (!HasMD) {
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