ENH: Start working on command that will abstract generating of build command

Source/cmGlobalGenerator.cxx

@@ -650,32 +650,48 @@ int cmGlobalGenerator::TryCompile(const char *srcdir, const char *bindir,
                      output,makeCommand.c_str(),config,false);
 }
 
-int cmGlobalGenerator::Build(
-  const char *, const char *bindir, 
-  const char *, const char *target,
-  std::string *output, 
-  const char *makeCommandCSTR,
-  const char * /* config */,
-  bool clean)
+std::string cmGlobalGenerator::GenerateBuildCommand(const char* makeProgram,
+  const char *projectName, const char *targetName, const char* config)
 {
-  *output += "\nTesting TryCompileWithoutMakefile\n";
+  // Project name and config are not used yet.
+  (void)projectName;
+  (void)config;
 
-  // now build the test
-  std::string makeCommand = makeCommandCSTR;
+  std::string makeCommand = makeProgram;
   makeCommand = cmSystemTools::ConvertToOutputPath(makeCommand.c_str());
-
-  /**
-   * Run an executable command and put the stdout in output.
-   */
-  std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
-  cmSystemTools::ChangeDirectory(bindir);
-
+  makeCommand += " ";
   // Since we have full control over the invocation of nmake, let us
   // make it quiet.
   if ( strcmp(this->GetName(), "NMake Makefiles") == 0 )
     {
     makeCommand += "/NOLOGO ";
     }
+  if ( targetName )
+    {
+    makeCommand += targetName;
+    }
+  else
+    {
+    makeCommand += "all";
+    }
+  return makeCommand;
+}
+  
+int cmGlobalGenerator::Build(
+  const char *, const char *bindir, 
+  const char *projectName, const char *target,
+  std::string *output, 
+  const char *makeCommandCSTR,
+  const char *config,
+  bool clean)
+{
+  *output += "\nTesting TryCompileWithoutMakefile\n";
+  
+  /**
+   * Run an executable command and put the stdout in output.
+   */
+  std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
+  cmSystemTools::ChangeDirectory(bindir);
 
   int retVal;
   int timeout = cmGlobalGenerator::s_TryCompileTimeout;
@@ -685,7 +701,7 @@ int cmGlobalGenerator::Build(
   // should we do a clean first?
   if (clean)
     {
-    std::string cleanCommand = makeCommand + " clean";
+    std::string cleanCommand = this->GenerateBuildCommand(makeCommandCSTR, projectName, "clean", config);
     if (!cmSystemTools::RunSingleCommand(cleanCommand.c_str(), output, 
                                          &retVal, 0, false, timeout))
       {
@@ -703,15 +719,7 @@ int cmGlobalGenerator::Build(
     }
   
   // now build
-  if (target && strlen(target))
-    {
-    makeCommand += " ";
-    makeCommand += target;
-    }
-  else
-    {
-    makeCommand += " all";
-    }
+  std::string makeCommand = this->GenerateBuildCommand(makeCommandCSTR, projectName, target, config);
 
   if (!cmSystemTools::RunSingleCommand(makeCommand.c_str(), output, 
                                        &retVal, 0, false, timeout))

Source/cmGlobalGenerator.h

@@ -98,6 +98,8 @@ public:
                     std::string *output, 
                     const char *makeProgram, const char *config,
                     bool clean);
+  virtual std::string GenerateBuildCommand(const char* makeProgram, const char *projectName, const char *targetName,
+                    const char* config);
 
   ///! Set the CMake instance
   void SetCMakeInstance(cmake *cm) {