Ninja: Implement USES_TERMINAL using the console pool if available

Source/cmGlobalNinjaGenerator.cxx

@@ -250,6 +250,7 @@ void
 cmGlobalNinjaGenerator::WriteCustomCommandBuild(const std::string& command,
                                                 const std::string& description,
                                                 const std::string& comment,
+                                                bool uses_terminal,
                                                 const cmNinjaDeps& outputs,
                                                 const cmNinjaDeps& deps,
                                                 const cmNinjaDeps& orderOnly)
@@ -266,6 +267,10 @@ cmGlobalNinjaGenerator::WriteCustomCommandBuild(const std::string& command,
   cmNinjaVars vars;
   vars["COMMAND"] = cmd;
   vars["DESC"] = EncodeLiteral(description);
+  if (uses_terminal && SupportsConsolePool())
+    {
+    vars["pool"] = "console";
+    }
 
   this->WriteBuild(*this->BuildFileStream,
                    comment,
@@ -826,6 +831,7 @@ void cmGlobalNinjaGenerator::WriteAssumedSourceDependencies()
     std::copy(i->second.begin(), i->second.end(), std::back_inserter(deps));
     WriteCustomCommandBuild(/*command=*/"", /*description=*/"",
                             "Assume dependencies for generated source file.",
+                            /*uses_terminal*/false,
                             cmNinjaDeps(1, i->first), deps);
   }
 }

Source/cmGlobalNinjaGenerator.h

@@ -103,6 +103,7 @@ public:
   void WriteCustomCommandBuild(const std::string& command,
                                const std::string& description,
                                const std::string& comment,
+                               bool uses_terminal,
                                const cmNinjaDeps& outputs,
                                const cmNinjaDeps& deps = cmNinjaDeps(),
                                const cmNinjaDeps& orderOnly = cmNinjaDeps());

Source/cmLocalNinjaGenerator.cxx

@@ -468,6 +468,7 @@ cmLocalNinjaGenerator::WriteCustomCommandBuildStatement(
       this->BuildCommandLine(cmdLines),
       this->ConstructComment(ccg),
       "Custom command for " + ninjaOutputs[0],
+      cc->GetUsesTerminal(),
       ninjaOutputs,
       ninjaDeps,
       orderOnlyDeps);

Source/cmNinjaUtilityTargetGenerator.cxx

@@ -35,6 +35,8 @@ void cmNinjaUtilityTargetGenerator::Generate()
     &this->GetTarget()->GetPostBuildCommands()
   };
 
+  bool uses_terminal = false;
+
   for (unsigned i = 0; i != 2; ++i) {
     for (std::vector<cmCustomCommand>::const_iterator
          ci = cmdLists[i]->begin(); ci != cmdLists[i]->end(); ++ci) {
@@ -42,6 +44,8 @@ void cmNinjaUtilityTargetGenerator::Generate()
                                    this->GetMakefile());
       this->GetLocalGenerator()->AppendCustomCommandDeps(ccg, deps);
       this->GetLocalGenerator()->AppendCustomCommandLines(ccg, commands);
+      if (ci->GetUsesTerminal())
+        uses_terminal = true;
     }
   }
 
@@ -110,6 +114,7 @@ void cmNinjaUtilityTargetGenerator::Generate()
       command,
       desc,
       "Utility command for " + this->GetTargetName(),
+      uses_terminal,
       cmNinjaDeps(1, utilCommandName),
       deps);