Introduce "build feature" lookup framework

This creates cmTarget::GetFeature and cmMakefile::GetFeature methods to
query "build feature" properties.  These methods handle local-to-global
scope and per-configuration property lookup.  Specific build features
will be defined later.

1 files changed, 12 insertions, 0 deletions

diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index 719aa50..e353c3d 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -1762,6 +1762,18 @@ void cmMakefileTargetGenerator::AddModuleDefinitionFlag(std::string& flags)
 }
 
 //----------------------------------------------------------------------------
+const char* cmMakefileTargetGenerator::GetFeature(const char* feature)
+{
+  return this->Target->GetFeature(feature, this->ConfigName);
+}
+
+//----------------------------------------------------------------------------
+bool cmMakefileTargetGenerator::GetFeatureAsBool(const char* feature)
+{
+  return cmSystemTools::IsOn(this->GetFeature(feature));
+}
+
+//----------------------------------------------------------------------------
 void cmMakefileTargetGenerator::AddFeatureFlags(
   std::string& flags, const char* lang
   )