Use gnumake as the build tool

Author: gcasa

Generators/ProjectBuilder/GSXCProjectBuilderGenerator.m

@@ -232,8 +232,10 @@ - (BOOL) generate
   [projectDict setObject: filesTable forKey: @"FILESTABLE"];
 
   // Add ProjectBuilder-specific metadata
-  [projectDict setObject: @"2.1" forKey: @"LANGUAGE"];
-  [projectDict setObject: @"NeXT Project Builder Project v2.1" forKey: @"NEXTSTEP_BUILDTOOL"];
+  [projectDict setObject: @"2.1"
+		  forKey: @"LANGUAGE"];
+  [projectDict setObject: @"gnumake" /* @"NeXT Project Builder Project v2.1" */
+		  forKey: @"NEXTSTEP_BUILDTOOL"];
 
   NSDebugLog(@"ProjectBuilder project dict = %@", projectDict);
 
@@ -249,4 +251,4 @@ - (BOOL) generate
   return result;
 }
 
-@end
+@end