ENH: clean up code, and varible names

1 files changed, 20 insertions, 9 deletions

diff --git a/Source/CMakeBuildTargets.cxx b/Source/CMakeBuildTargets.cxx
index 0da1410..eea02d9 100644
--- a/Source/CMakeBuildTargets.cxx
+++ b/Source/CMakeBuildTargets.cxx
@@ -2,6 +2,9 @@
 #include "cmMakeDepend.h"
 #include <iostream>
 
+
+// This is the main program used to gentrate makefile fragments 
+// from CMakeLists.txt input files.   
 main(int ac, char** av)
 {
   if(ac < 2)
@@ -9,38 +12,46 @@ main(int ac, char** av)
     std::cerr << "Usage: " << av[0] << " Makefile.in  -Ipath ..." << std::endl;
     return -1;
     }
-  cmUnixMakefile* mf = new cmUnixMakefile;
+  // Create a unix makefile
+  cmUnixMakefile mf;
+  // Create a depends object
   cmMakeDepend md;
+  // Parse the command line
   if(ac > 2)
     {
     for(int i =2; i < ac; i++)
       {
       std::string arg = av[i];
+      // Set the current source directory with a -S dir options
       if(arg.find("-S",0) != std::string::npos)
 	{
 	std::string path = arg.substr(2);
-	mf->SetCurrentDirectory(path.c_str());
+	mf.SetCurrentDirectory(path.c_str());
 	}
+      // Set the output or binary directory with a -B dir option
       if(arg.find("-B",0) != std::string::npos)
 	{
 	std::string path = arg.substr(2);
-	mf->SetOutputHomeDirectory(path.c_str());
+	mf.SetOutputHomeDirectory(path.c_str());
 	}
+      // Set the source home directory with a -H dir option
       if(arg.find("-H",0) != std::string::npos)
 	{
 	std::string path = arg.substr(2);
-	mf->SetHomeDirectory(path.c_str());
+	mf.SetHomeDirectory(path.c_str());
 	}
       }
     }
-  if(!mf->ReadMakefile(av[1]))
+  // Read and parse the input makefile
+  if(!mf.ReadMakefile(av[1]))
     {
     std::cerr << "Usage: " << av[0] << " Makefile.in  -Ipath ..." << std::endl;
     return -1;
     }
-
-  md.SetMakefile(mf);
+  // Set the makefile object on the depend object
+  md.SetMakefile(&mf);
+  // compute the depend information
   md.DoDepends();
-  mf->OutputMakefile("CMakeTargets.make");
-  delete mf;
+  // Ouput the result
+  mf.OutputMakefile("CMakeTargets.make");
 }