diff options
Diffstat (limited to 'Source/cmMakefile.cxx')
-rw-r--r-- | Source/cmMakefile.cxx | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx index ab139c0..dcdaa13 100644 --- a/Source/cmMakefile.cxx +++ b/Source/cmMakefile.cxx @@ -2425,16 +2425,18 @@ bool cmMakefile::CanIWriteThisFile(std::string const& fileName) const cmSystemTools::SameFile(fileName, this->GetHomeOutputDirectory()); } -std::string cmMakefile::GetRequiredDefinition(const std::string& name) const +const std::string& cmMakefile::GetRequiredDefinition( + const std::string& name) const { - const char* ret = this->GetDefinition(name); - if (!ret) { + static std::string const empty; + const std::string* def = GetDef(name); + if (!def) { cmSystemTools::Error("Error required internal CMake variable not " "set, cmake may not be built correctly.\n", "Missing variable is:\n", name.c_str()); - return std::string(); + return empty; } - return std::string(ret); + return *def; } bool cmMakefile::IsDefinitionSet(const std::string& name) const |