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-rw-r--r--Source/cmDepends.cxx6
1 files changed, 4 insertions, 2 deletions
diff --git a/Source/cmDepends.cxx b/Source/cmDepends.cxx
index ebe8a68..74a0ccb 100644
--- a/Source/cmDepends.cxx
+++ b/Source/cmDepends.cxx
@@ -181,8 +181,10 @@ bool cmDepends::CheckDependencies(std::istream& internalDepends,
// kdelibs/khtml this reduces the number of calls from 184k down to 92k,
// or the time for cmake -E cmake_depends from 0.3 s down to 0.21 s.
dependerExists = cmSystemTools::FileExists(this->Depender);
- DependencyVector tmp;
- validDeps[this->Depender] = tmp;
+ // If we erase validDeps[this->Depender] by overwriting it with an empty
+ // vector, we lose dependencies for dependers that have multiple
+ // entries. No need to initialize the entry, std::map will do so on first
+ // access.
currentDependencies = &validDeps[this->Depender];
continue;
}