diff options
Diffstat (limited to 'Source/cmMakefile.cxx')
| -rw-r--r-- | Source/cmMakefile.cxx | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx index b468208..71359a2 100644 --- a/Source/cmMakefile.cxx +++ b/Source/cmMakefile.cxx @@ -2679,10 +2679,11 @@ cmake::MessageType cmMakefile::ExpandVariablesInStringNew( if (this->GetCMakeInstance()->GetWarnUninitialized() && !this->VariableInitialized(lookup)) { if (this->CheckSystemVars || - cmSystemTools::IsSubDirectory(filename, - this->GetHomeDirectory()) || - cmSystemTools::IsSubDirectory( - filename, this->GetHomeOutputDirectory())) { + (filename && + (cmSystemTools::IsSubDirectory(filename, + this->GetHomeDirectory()) || + cmSystemTools::IsSubDirectory( + filename, this->GetHomeOutputDirectory())))) { std::ostringstream msg; msg << "uninitialized variable \'" << lookup << "\'"; this->IssueMessage(cmake::AUTHOR_WARNING, msg.str()); |