CUDA: State that cuda has preprocessor output and can generate assembly.

We can consider PTX code to be a form of assembly.

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -285,8 +285,8 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefile()
     for (std::vector<LocalObjectEntry>::const_iterator ei = lo->second.begin();
          ei != lo->second.end(); ++ei) {
       if (ei->Language == "C" || ei->Language == "CXX" ||
-          ei->Language == "Fortran") {
-        // Right now, C, C++ and Fortran have both a preprocessor and the
+          ei->Language == "CUDA" || ei->Language == "Fortran") {
+        // Right now, C, C++, Fortran and CUDA have both a preprocessor and the
         // ability to generate assembly code
         lang_has_preprocessor = true;
         lang_has_assembly = true;

Source/cmMakefileTargetGenerator.cxx

@@ -583,11 +583,11 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
   std::string const includesString = "$(" + lang + "_INCLUDES)";
   vars.Includes = includesString.c_str();
 
-  // At the moment, it is assumed that C, C++, and Fortran have both
+  // At the moment, it is assumed that C, C++, Fortran, and CUDA have both
   // assembly and preprocessor capabilities. The same is true for the
   // ability to export compile commands
-  bool lang_has_preprocessor =
-    ((lang == "C") || (lang == "CXX") || (lang == "Fortran"));
+  bool lang_has_preprocessor = ((lang == "C") || (lang == "CXX") ||
+                                (lang == "Fortran") || (lang == "CUDA"));
   bool const lang_has_assembly = lang_has_preprocessor;
   bool const lang_can_export_cmds = lang_has_preprocessor;