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-rw-r--r--tools/clang-scan-deps/ClangScanDeps.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/clang-scan-deps/ClangScanDeps.cpp b/tools/clang-scan-deps/ClangScanDeps.cpp
index 4bd61fb9c8..6e8d9a9ed9 100644
--- a/tools/clang-scan-deps/ClangScanDeps.cpp
+++ b/tools/clang-scan-deps/ClangScanDeps.cpp
@@ -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) {