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| author | Bill Hoffman <bill.hoffman@kitware.com> | 2010-04-13 09:21:31 -0400 |
|---|---|---|
| committer | Ben Boeckel <ben.boeckel@kitware.com> | 2010-09-01 13:08:13 -0400 |
| commit | 48b5b855934be341c02139c0bed88c35c1b40d8f (patch) | |
| tree | 932548a1470f02f2949e3c26ff3e95f5c12f2284 /Source/cmCommandArgumentParserHelper.cxx | |
| parent | cd626ea66ed114736ddf5d6a4c989ef6c9b8d248 (diff) | |
| download | cmake-48b5b855934be341c02139c0bed88c35c1b40d8f.tar.gz | |
Add a warning when variables are used uninitialized.
Diffstat (limited to 'Source/cmCommandArgumentParserHelper.cxx')
| -rw-r--r-- | Source/cmCommandArgumentParserHelper.cxx | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Source/cmCommandArgumentParserHelper.cxx b/Source/cmCommandArgumentParserHelper.cxx index 234c37e56b..027a2ba780 100644 --- a/Source/cmCommandArgumentParserHelper.cxx +++ b/Source/cmCommandArgumentParserHelper.cxx @@ -119,10 +119,15 @@ char* cmCommandArgumentParserHelper::ExpandVariable(const char* var) cmOStringStream ostr; ostr << this->FileLine; return this->AddString(ostr.str().c_str()); - } + } const char* value = this->Makefile->GetDefinition(var); if(!value && !this->RemoveEmpty) { + if(!this->Makefile->VariableCleared(var)) + { + std::cerr << this->FileName << ":" << this->FileLine << ":" << + " warning: uninitialized variable \'" << var << "\'\n"; + } return 0; } if (this->EscapeQuotes && value) |