Qualify std::map compare functor as const

Some older STL implementations invoke the comparison functor as a const
object, so the function call operator must be 'const' qualified.  This
fixes the commit "Fix support for OLD behavior of policy CMP0002" to
compile on older STLs.

2 files changed, 2 insertions, 2 deletions

diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index 9b3c5d5..b687fe1 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -913,7 +913,7 @@ cmGlobalUnixMakefileGenerator3::RecordTargetProgress(
 //----------------------------------------------------------------------------
 bool
 cmGlobalUnixMakefileGenerator3::ProgressMapCompare
-::operator()(cmTarget* l, cmTarget* r)
+::operator()(cmTarget* l, cmTarget* r) const
 {
   // Order by target name.
   if(int c = strcmp(l->GetName(), r->GetName()))
diff --git a/Source/cmGlobalUnixMakefileGenerator3.h b/Source/cmGlobalUnixMakefileGenerator3.h
index 54363e4..401888f 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.h
+++ b/Source/cmGlobalUnixMakefileGenerator3.h
@@ -180,7 +180,7 @@ protected:
     std::vector<int> Marks;
     void WriteProgressVariables(unsigned long total, unsigned long& current);
   };
-  struct ProgressMapCompare { bool operator()(cmTarget*,cmTarget*); };
+  struct ProgressMapCompare { bool operator()(cmTarget*,cmTarget*) const; };
   typedef std::map<cmTarget*, TargetProgress,
                    ProgressMapCompare> ProgressMapType;
   ProgressMapType ProgressMap;