Features: Refactor <LANG>_STANDARD update

In order to support generator expressions in target COMPILE_FEATURES
we apply them at generate time.  Move this step to the beginning of
generation instead of doing it on demand while collecting flags.
This avoids repeating the process unnecessarily, and will then allow
`cmLocalGenerator::AddCompilerRequirementFlag` to be used any time
during generation.

1 files changed, 2 insertions, 0 deletions

diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index 1a238a8..7d591ac 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -70,6 +70,8 @@ public:
    */
   void ComputeTargetManifest();
 
+  bool ComputeTargetCompileFeatures();
+
   bool IsRootMakefile() const;
 
   ///! Get the makefile for this generator