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-rw-r--r--Source/cmBuildCommand.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmBuildCommand.cxx b/Source/cmBuildCommand.cxx
index 988e9a781b..27b959c318 100644
--- a/Source/cmBuildCommand.cxx
+++ b/Source/cmBuildCommand.cxx
@@ -129,7 +129,7 @@ bool cmBuildCommand
std::string configType = "Release";
const char* cfg = getenv("CMAKE_CONFIG_TYPE");
- if ( cfg )
+ if ( cfg && *cfg )
{
configType = cfg;
}