Merge pull request #1624 from esdrubal/getprocesstimes
[mono.git] / msvc / scripts / genproj.cs
index 1a249918c94fbb8154863e1ae4f85bc48861db5a..32d6d8574b31add493ef6ccdba2d132f41a86920 100644 (file)
@@ -4,7 +4,9 @@ using System.Collections.Generic;
 using System.Text;
 using System.Globalization;
 using System.Xml.Linq;
+using System.Xml.XPath;
 using System.Linq;
+using System.Xml;
 
 public enum Target {
        Library, Exe, Module, WinExe
@@ -25,23 +27,24 @@ class SlnGenerator {
        {
                switch (formatVersion) {
                case "2008":
-                       this.header = makeHeader ("10.00", "2008");
+                       this.header = MakeHeader ("10.00", "2008");
                        break;
                default:
-                       this.header = makeHeader ("12.00", "2012");
+                       this.header = MakeHeader ("12.00", "2012");
                        break;
                }
        }
 
-       private string makeHeader (string formatVersion, string yearTag)
-       {
-               return string.Format ("Microsoft Visual Studio Solution File, Format Version {0}" + NewLine + "# Visual Studio {1}", formatVersion, yearTag);
-       }
        const string project_start = "Project(\"{{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}}\") = \"{0}\", \"{1}\", \"{2}\""; // Note: No need to double up on {} around {2}
        const string project_end = "EndProject";
 
-       List<MsbuildGenerator.VsCsproj> libraries = new List<MsbuildGenerator.VsCsproj> ();
-       private string header;
+       public List<MsbuildGenerator.VsCsproj> libraries = new List<MsbuildGenerator.VsCsproj> ();
+       string header;
+
+       string MakeHeader (string formatVersion, string yearTag)
+       {
+               return string.Format ("Microsoft Visual Studio Solution File, Format Version {0}" + NewLine + "# Visual Studio {1}", formatVersion, yearTag);
+       }
 
        public void Add (MsbuildGenerator.VsCsproj vsproj)
        {
@@ -58,7 +61,7 @@ class SlnGenerator {
                        sln.WriteLine ();
                        sln.WriteLine (header);
                        foreach (var proj in libraries) {
-                               sln.WriteLine (project_start, proj.library, proj.csprojFileName, proj.projectGuid);
+                               sln.WriteLine (project_start, proj.library, proj.csProjFilename, proj.projectGuid);
                                sln.WriteLine (project_end);
                        }
                        sln.WriteLine ("Global");
@@ -96,6 +99,7 @@ class SlnGenerator {
 
 class MsbuildGenerator {
        static readonly string NewLine = SlnGenerator.NewLine;
+       static XmlNamespaceManager xmlns;
 
        public const string profile_2_0 = "_2_0";
        public const string profile_3_5 = "_3_5";
@@ -113,30 +117,52 @@ class MsbuildGenerator {
                using (var input = new StreamReader ("csproj.tmpl")) {
                        template = input.ReadToEnd ();
                }
+
+               xmlns = new XmlNamespaceManager (new NameTable ());
+               xmlns.AddNamespace ("x", "http://schemas.microsoft.com/developer/msbuild/2003");
        }
 
        // The directory as specified in order.xml
-       string dir;
+       public string dir;
+       string library;
+       string projectGuid;
+       string fx_version;
+
+       XElement xproject;
+       public string CsprojFilename;
 
        //
        // Our base directory, this is relative to our exectution point mono/msvc/scripts
        string base_dir;
-
        string mcs_topdir;
 
-       // Class directory, relative to 
-       string class_dir;
+       public string LibraryOutput, AbsoluteLibraryOutput;
 
-       public MsbuildGenerator (string dir)
+       public MsbuildGenerator (XElement xproject)
        {
-               this.dir = dir;
+               this.xproject = xproject;
+               dir = xproject.Attribute ("dir").Value;
+               library = xproject.Attribute ("library").Value;
+               CsprojFilename = "..\\..\\mcs\\" + dir + "\\" + library + ".csproj";
+               LibraryOutput = xproject.Element ("library_output").Value;
+
+               projectGuid = LookupOrGenerateGuid ();
+               fx_version = xproject.Element ("fx_version").Value;
+               Csproj = new VsCsproj () {
+                       csProjFilename = this.CsprojFilename,
+                       projectGuid = this.projectGuid,
+                       library_output = this.LibraryOutput,
+                       fx_version = double.Parse (fx_version),
+                       library = this.library,
+                       MsbuildGenerator = this
+               };
 
                if (dir == "mcs") {
-                       mcs_topdir = "..\\";
-                       class_dir = "..\\class\\";
-                       base_dir = "..\\..\\mcs\\mcs";
+                       mcs_topdir = "../";
+                       class_dir = "../class/";
+                       base_dir = "../../mcs/mcs";
                } else {
-                       mcs_topdir = "..\\";
+                       mcs_topdir = "../";
 
                        foreach (char c in dir) {
                                if (c == '/')
@@ -146,39 +172,56 @@ class MsbuildGenerator {
 
                        base_dir = Path.Combine ("..", "..", "mcs", dir);
                }
+               AbsoluteLibraryOutput = Path.GetFullPath (Path.Combine (base_dir, LibraryOutput));
+       }
+
+       string LookupOrGenerateGuid ()
+       {
+               var projectFile = NativeName (CsprojFilename);
+               if (File.Exists (projectFile)){
+                       var doc = XDocument.Load (projectFile);
+                       return doc.XPathSelectElement ("x:Project/x:PropertyGroup/x:ProjectGuid", xmlns).Value;
+               }
+               return "{" + Guid.NewGuid ().ToString ().ToUpper () + "}";
        }
 
        // Currently used
        bool Unsafe = false;
        StringBuilder defines = new StringBuilder ();
-       bool StdLib = true;
-       private bool copyLocal = true;
-
-       // Currently unused
-       Target Target = Target.Exe;
-       string TargetExt = ".exe";
-       string OutputFile;
        bool Optimize = true;
-       bool VerifyClsCompliance = true;
-
-       string win32IconFile;
        bool want_debugging_support = false;
-       bool Checked = false;
-       bool WarningsAreErrors;
        Dictionary<string, string> embedded_resources = new Dictionary<string, string> ();
+       List<string> warning_as_error = new List<string> ();
+       List<int> ignore_warning = new List<int> ();
+       bool load_default_config = true;
+       bool StdLib = true;
        List<string> references = new List<string> ();
        List<string> libs = new List<string> ();
        List<string> reference_aliases = new List<string> ();
-       List<string> warning_as_error = new List<string> ();
+       bool showWarnings = false;
+
+       // Currently unused
+#pragma warning disable 0219, 0414
        int WarningLevel = 4;
-       List<int> ignore_warning = new List<int> ();
-       bool load_default_config = true;
+
+       bool Checked = false;
+       bool WarningsAreErrors;
+       bool VerifyClsCompliance = true;
+       string win32IconFile;
        string StrongNameKeyFile;
+       bool copyLocal = true;
+       Target Target = Target.Exe;
+       string TargetExt = ".exe";
+       string OutputFile;
        string StrongNameKeyContainer;
        bool StrongNameDelaySign = false;
        LanguageVersion Version = LanguageVersion.Default;
        string CodePage;
 
+       // Class directory, relative to 
+       string class_dir;
+#pragma warning restore 0219,414
+
        readonly char [] argument_value_separator = new char [] { ';', ',' };
 
        //
@@ -299,7 +342,6 @@ class MsbuildGenerator {
                                Console.WriteLine ("Wrong number of arguments for option `{0}'", option);
                                Environment.Exit (1);
                                break;
-
                        }
 
                        return true;
@@ -334,10 +376,11 @@ class MsbuildGenerator {
                case "/m":
                case "/addmodule":
                case "/win32res":
-               case "/doc": {
+               case "/doc": 
+                       if (showWarnings)
                                Console.WriteLine ("{0} = not supported", arg);
-                               return true; // throwing an exception was a showstopper, so far as I can see.
-                       }
+                       return true;
+                       
                case "/lib": {
                                libs.Add (value);
                                return true;
@@ -392,7 +435,7 @@ class MsbuildGenerator {
                        return true;
 
                case "/-runtime":
-                       Console.WriteLine ("Warning ignoring /runtime:v4");
+                       // Console.WriteLine ("Warning ignoring /runtime:v4");
                        return true;
 
                case "/warnaserror-":
@@ -496,6 +539,9 @@ class MsbuildGenerator {
                case "/codepage":
                        CodePage = value;
                        return true;
+
+               case "/-getresourcestrings":
+                       return true;
                }
 
                Console.WriteLine ("Failing with : {0}", arg);
@@ -574,27 +620,28 @@ class MsbuildGenerator {
        public class VsCsproj {
                public string projectGuid;
                public string output;
-               public string csprojFileName;
                public string library_output;
+               public string csProjFilename;
                public double fx_version;
                public List<VsCsproj> projReferences = new List<VsCsproj> ();
                public string library;
+               public MsbuildGenerator MsbuildGenerator;
        }
 
-       public VsCsproj Generate (XElement xproject, List<MsbuildGenerator.VsCsproj> projects)
+       public VsCsproj Csproj;
+
+       public VsCsproj Generate (Dictionary<string,MsbuildGenerator> projects, bool showWarnings = false)
        {
+               var generatedProjFile = NativeName (Csproj.csProjFilename);
+               //Console.WriteLine ("Generating: {0}", generatedProjFile);
 
-               var result = new VsCsproj ();
-               string library = xproject.Attribute ("library").Value;
-               string boot, flags, output_name, built_sources, library_output, response, fx_version, profile;
+               string boot, flags, output_name, built_sources, response, profile;
 
                boot = xproject.Element ("boot").Value;
                flags = xproject.Element ("flags").Value;
                output_name = xproject.Element ("output").Value;
                built_sources = xproject.Element ("built_sources").Value;
-               library_output = xproject.Element ("library_output").Value;
                response = xproject.Element ("response").Value;
-               fx_version = xproject.Element ("fx_version").Value;
                //if (library.EndsWith("-build")) fx_version = "2.0"; // otherwise problem if .NET4.5 is installed, seems. (https://github.com/nikhilk/scriptsharp/issues/156)
                profile = xproject.Element ("profile").Value;
                if (string.IsNullOrEmpty (response)) {
@@ -627,20 +674,35 @@ class MsbuildGenerator {
                //  inputs/LIBRARY.pre
                //
                string prebuild = Load (library + ".pre");
-
+               string prebuild_windows, prebuild_unix;
+               
                int q = library.IndexOf ("-");
                if (q != -1)
                        prebuild = prebuild + Load (library.Substring (0, q) + ".pre");
 
+               if (prebuild.IndexOf ("@MONO@") != -1){
+                       prebuild_unix = prebuild.Replace ("@MONO@", "mono").Replace ("@CAT@", "cat");
+                       prebuild_windows = prebuild.Replace ("@MONO@", "").Replace ("@CAT@", "type");
+               } else {
+                       prebuild_unix = prebuild.Replace ("jay.exe", "jay");
+                       prebuild_windows = prebuild;
+               }
+               
+               const string condition_unix    = "Condition=\" '$(OS)' != 'Windows_NT' \"";
+               const string condition_windows = "Condition=\" '$(OS)' == 'Windows_NT' \"";
+               prebuild =
+                       "    <PreBuildEvent " + condition_unix + ">" + NewLine + prebuild_unix + NewLine + "    </PreBuildEvent>" + NewLine +
+                       "    <PreBuildEvent " + condition_windows + ">" + NewLine + prebuild_windows + NewLine + "    </PreBuildEvent>" + NewLine;
+
                var all_args = new Queue<string []> ();
                all_args.Enqueue (flags.Split ());
                while (all_args.Count > 0) {
                        string [] f = all_args.Dequeue ();
 
                        for (int i = 0; i < f.Length; i++) {
-                               if (f [i] [0] == '-')
+                               if (f [i].Length > 0 && f [i][0] == '-')
                                        f [i] = "/" + f [i].Substring (1);
-
+                               
                                if (f [i] [0] == '@') {
                                        string [] extra_args;
                                        string response_file = f [i].Substring (1);
@@ -710,9 +772,6 @@ class MsbuildGenerator {
                //    this.ignore_warning.Add(0436);
                //}
 
-               result.library = library;
-               result.csprojFileName = "..\\..\\mcs\\" + dir + "\\" + library + ".csproj";
-
                var refs = new StringBuilder ();
 
                bool is_test = response.Contains ("_test_");
@@ -733,6 +792,8 @@ class MsbuildGenerator {
                        }
                        resources.AppendFormat ("  </ItemGroup>" + NewLine);
                }
+       
+
                if (references.Count > 0 || reference_aliases.Count > 0) {
                        // -r:mscorlib.dll -r:System.dll
                        //<ProjectReference Include="..\corlib\corlib-basic.csproj">
@@ -745,13 +806,14 @@ class MsbuildGenerator {
                        //</ProjectReference>
                        var refdistinct = references.Distinct ();
                        foreach (string r in refdistinct) {
-                               VsCsproj lastMatching = getMatchingCsproj (Path.GetFileName (r), projects);
-                               if (lastMatching != null) {
-                                       addProjectReference (refs, result, lastMatching, r);
+                               var match = GetMatchingCsproj (Path.GetFileName (r), projects);
+                               if (match != null) {
+                                       AddProjectReference (refs, Csproj, match, r, null);
                                } else {
-                                       var msg = string.Format ("", library, r);
-                                       Console.WriteLine ("{0}: Could not find a matching project reference for {1}", library, Path.GetFileName (r));
-                                       Console.WriteLine ("  --> Adding reference with hintpath instead");
+                                       if (showWarnings){
+                                               Console.WriteLine ("{0}: Could not find a matching project reference for {1}", library, Path.GetFileName (r));
+                                               Console.WriteLine ("  --> Adding reference with hintpath instead");
+                                       }
                                        refs.Append ("    <Reference Include=\"" + r + "\">" + NewLine);
                                        refs.Append ("      <SpecificVersion>False</SpecificVersion>" + NewLine);
                                        refs.Append ("      <HintPath>" + r + "</HintPath>" + NewLine);
@@ -764,9 +826,9 @@ class MsbuildGenerator {
                                int index = r.IndexOf ('=');
                                string alias = r.Substring (0, index);
                                string assembly = r.Substring (index + 1);
-                               VsCsproj lastMatching = getMatchingCsproj (Path.GetFileName (assembly), projects);
-                               if (lastMatching != null) {
-                                       addProjectReference (refs, result, lastMatching, r);
+                               var match = GetMatchingCsproj (assembly, projects, explicitPath: true);
+                               if (match != null) {
+                                       AddProjectReference (refs, Csproj, match, r, alias);
                                } else {
                                        throw new NotSupportedException (string.Format ("From {0}, could not find a matching project reference for {1}", library, r));
                                        refs.Append ("    <Reference Include=\"" + assembly + "\">" + NewLine);
@@ -779,43 +841,45 @@ class MsbuildGenerator {
                        }
                }
 
-               string library_output_dir = string.Empty;
-               try {
-                       // ../class/lib/build/tmp/System.Xml.dll
-                       //   /class/lib/basic/System.Core.dll
-                       // <library_output>mcs.exe</library_output>
-                       bool has_tmp = library_output.Contains ("/tmp/");
-                       string p = library_output.Replace ("/tmp/", "/").Replace ("/", @"\");
-                       string profile_dir = Path.GetDirectoryName (p);
-                       string d = has_tmp ? Path.Combine (profile_dir, library) : profile_dir;
-                       library_output_dir = d;
-                       if (string.IsNullOrEmpty (library_output_dir))
-                               library_output_dir = @".\";
-                       library_output = Path.Combine (library_output_dir, output_name).Replace (@"\", "/");
-               } catch {
-                       Console.WriteLine ("Error in path: {0} while processing {1}", library_output_dir, library);
-               }
-
-               // The build output directory shoudl be unique for each project, to overcome cyclic deps
-               var build_output_dir = string.Format (@"bin\Debug\{0}", library);
+               // Possible inputs:
+               // ../class/lib/build/tmp/System.Xml.dll  [No longer possible, we should be removing this from order.xml]
+               //   /class/lib/basic/System.Core.dll
+               // <library_output>mcs.exe</library_output>
+               string build_output_dir;
+               if (LibraryOutput.Contains ("/"))
+                       build_output_dir = Path.GetDirectoryName (LibraryOutput);
+               else
+                       build_output_dir = "bin\\Debug\\" + library;
+               
 
+               string postbuild_unix = string.Empty;
+               string postbuild_windows = string.Empty;
 
-               string postbuild = string.Empty;
-               postbuild = string.Format (
-                       //"if not \"$(OutDir)\" == \"..\\lib\\{0}\" xcopy $(OutDir)$(TargetName).* ..\\lib\\{0}\\ /Y /R /D",
-                       "      xcopy $(TargetName).* $(ProjectDir)..\\lib\\{0}\\ /Y /R /D",
-                       profile);
+               var postbuild =  
+                       "    <PostBuildEvent " + condition_unix + ">" + NewLine + postbuild_unix + NewLine + "    </PostBuildEvent>" + NewLine +
+                       "    <PostBuildEvent " + condition_windows + ">" + NewLine + postbuild_windows + NewLine + "    </PostBuildEvent>";
+                       
 
                bool basic_or_build = (library.Contains ("-basic") || library.Contains ("-build"));
 
                //
                // Replace the template values
                //
-               result.projectGuid = "{" + Guid.NewGuid ().ToString ().ToUpper () + "}";
-               result.library_output = library_output;
-               result.fx_version = double.Parse (fx_version);
-               result.output = template.
-                       Replace ("@PROJECTGUID@", result.projectGuid).
+
+               string strongNameSection = "";
+               if (StrongNameKeyFile != null){
+                       strongNameSection = String.Format (
+                               "  <PropertyGroup>" + NewLine +
+                               "    <SignAssembly>true</SignAssembly>" + NewLine +
+                               "{1}" +
+                               "  </PropertyGroup>" + NewLine +
+                               "  <PropertyGroup>" + NewLine +
+                               "    <AssemblyOriginatorKeyFile>{0}</AssemblyOriginatorKeyFile>" + NewLine +
+                               "  </PropertyGroup>", StrongNameKeyFile, StrongNameDelaySign ? "    <DelaySign>true</DelaySign>" + NewLine : "");
+               }
+               Csproj.output = template.
+                       Replace ("@SIGNATURE@", strongNameSection).
+                       Replace ("@PROJECTGUID@", Csproj.projectGuid).
                        Replace ("@DEFINES@", defines.ToString ()).
                        Replace ("@DISABLEDWARNINGS@", string.Join (",", (from i in ignore_warning select i.ToString ()).ToArray ())).
                        //Replace("@NOSTDLIB@", (basic_or_build || (!StdLib)) ? "<NoStdLib>true</NoStdLib>" : string.Empty).
@@ -838,46 +902,110 @@ class MsbuildGenerator {
                        Replace ("@SOURCES@", sources.ToString ());
 
                //Console.WriteLine ("Generated {0}", ofile.Replace ("\\", "/"));
-               using (var o = new StreamWriter (NativeName (result.csprojFileName))) {
-                       o.WriteLine (result.output);
+               using (var o = new StreamWriter (generatedProjFile)) {
+                       o.WriteLine (Csproj.output);
                }
 
-               return result;
+               return Csproj;
        }
 
-       private void addProjectReference (StringBuilder refs, VsCsproj result, VsCsproj lastMatching, string r)
+       void AddProjectReference (StringBuilder refs, VsCsproj result, MsbuildGenerator match, string r, string alias)
        {
-               refs.AppendFormat ("    <ProjectReference Include=\"{0}\">{1}", getRelativePath (result.csprojFileName, lastMatching.csprojFileName), NewLine);
-               refs.Append ("      <Project>" + lastMatching.projectGuid + "</Project>" + NewLine);
-               refs.Append ("      <Name>" + Path.GetFileNameWithoutExtension (lastMatching.csprojFileName) + "</Name>" + NewLine);
-               //refs.Append("      <HintPath>" + r + "</HintPath>" + NewLine);
+               refs.AppendFormat ("    <ProjectReference Include=\"{0}\">{1}", GetRelativePath (result.csProjFilename, match.CsprojFilename), NewLine);
+               refs.Append ("      <Project>" + match.projectGuid + "</Project>" + NewLine);
+               refs.Append ("      <Name>" + Path.GetFileNameWithoutExtension (match.CsprojFilename.Replace ('\\', Path.DirectorySeparatorChar)) + "</Name>" + NewLine);
+               if (alias != null)
+                       refs.Append ("      <Aliases>" + alias + "</Aliases>");
                refs.Append ("    </ProjectReference>" + NewLine);
-               if (!result.projReferences.Contains (lastMatching))
-                       result.projReferences.Add (lastMatching);
+               if (!result.projReferences.Contains (match.Csproj))
+                       result.projReferences.Add (match.Csproj);
        }
 
-       static string getRelativePath (string referencerPath, string referenceePath)
+       public static string GetRelativePath (string from, string to)
        {
-               // F:\src\mono\msvc\scripts\
-               //..\..\mcs\class\System\System-net_2_0.csproj
-               //..\..\mcs\class\corlib\corlib-net_2_0.csproj
-               //  So from \System\, corlib needs to be referenced as:
-               // ..\corlib\corlib-net_2_0.csproj
-
-               // Could be possible to use PathRelativePathTo, but this is a P/Invoke to Win32 API.
-               // For now, simpler but less robust:
-               return referenceePath.Replace (@"..\..\mcs\class", "..").Replace ("/", "\\");
+               from = from.Replace ("\\", "/");
+               to = to.Replace ("\\", "/");
+               var fromUri = new Uri (Path.GetFullPath (from));
+               var toUri = new Uri (Path.GetFullPath (to));
+
+               var ret =  fromUri.MakeRelativeUri (toUri).ToString ().Replace ("%5C", "\x5c");
+               return ret;
        }
 
-       static VsCsproj getMatchingCsproj (string dllReferenceName, List<VsCsproj> projects)
+       MsbuildGenerator GetMatchingCsproj (string dllReferenceName, Dictionary<string,MsbuildGenerator> projects, bool explicitPath = false)
        {
-               return projects.LastOrDefault (x => Path.GetFileName (x.library_output).Replace (".dll", "") == dllReferenceName.Replace (".dll", ""));
+               // libDir would be "./../../class/lib/net_4_5 for example
+               // project 
+               if (!dllReferenceName.EndsWith (".dll"))
+                       dllReferenceName += ".dll";
+
+               if (explicitPath){
+                       var probe = Path.GetFullPath (Path.Combine (base_dir, dllReferenceName));
+                       foreach (var project in projects){
+                               if (probe == project.Value.AbsoluteLibraryOutput)
+                                       return project.Value;
+                       }
+               } 
+
+               // not explicit, search for the library in the lib path order specified
+
+               foreach (var libDir in libs) {
+                       var abs = Path.GetFullPath (Path.Combine (base_dir, libDir));
+                       foreach (var project in projects){
+                               var probe = Path.Combine (abs, dllReferenceName);
+
+                               if (probe == project.Value.AbsoluteLibraryOutput)
+                                       return project.Value;
+                       }
+               }
+               Console.WriteLine ("Did not find referenced {0} with libs={1}", dllReferenceName, String.Join (", ", libs));
+               foreach (var p in projects) {
+                       Console.WriteLine ("    => {0}", p.Value.AbsoluteLibraryOutput);
+               }
+               return null;
        }
 
 }
 
 public class Driver {
 
+       static IEnumerable<XElement> GetProjects (bool full = false)
+       {
+               XDocument doc = XDocument.Load ("order.xml");
+               foreach (XElement project in doc.Root.Elements ()) {
+                       string dir = project.Attribute ("dir").Value;
+                       string library = project.Attribute ("library").Value;
+                       var profile = project.Element ("profile").Value;
+
+                       //
+                       // Do only class libraries for now
+                       //
+                       if (!(dir.StartsWith ("class") || dir.StartsWith ("mcs") || dir.StartsWith ("basic")))
+                               continue;
+
+                       if (full){
+                               if (!library.Contains ("tests"))
+                                       yield return project;
+                               continue;
+                       }
+                       
+                       //
+                       // Do not do 2.1, it is not working yet
+                       // Do not do basic, as there is no point (requires a system mcs to be installed).
+                       //
+                       if (library.Contains ("moonlight") || library.Contains ("-basic") || library.EndsWith ("bootstrap")  || library.Contains ("build"))
+                               continue;
+
+                       // The next ones are to make debugging easier for now
+                       if (profile == "basic")
+                               continue;
+                       if (profile != "net_4_5" || library.Contains ("tests"))
+                               continue;
+
+                       yield return project;
+               }
+       }
+
        static void Main (string [] args)
        {
                if (!File.Exists ("genproj.cs")) {
@@ -892,62 +1020,48 @@ public class Driver {
                        Console.WriteLine (" assemblies (and dependencies) is included in the solution.");
                        Console.WriteLine ("Example:");
                        Console.WriteLine ("genproj.exe 2012 false");
-                       Console.WriteLine ("genproj.exe with no arguments is equivalent to 'genproj.exe 2012 true'");
+                       Console.WriteLine ("genproj.exe with no arguments is equivalent to 'genproj.exe 2012 true'\n\n");
+                       Console.WriteLine ("genproj.exe deps");
+                       Console.WriteLine ("Generates a Makefile dependency file from the projects input");
                        Environment.Exit (0);
                }
+
                var slnVersion = (args.Length > 0) ? args [0] : "2012";
                bool fullSolutions = (args.Length > 1) ? bool.Parse (args [1]) : true;
 
+               // To generate makefile depenedencies
+               var makefileDeps =  (args.Length > 0 && args [0] == "deps");
+
                var sln_gen = new SlnGenerator (slnVersion);
-               var two_sln_gen = new SlnGenerator (slnVersion);
-               var four_sln_gen = new SlnGenerator (slnVersion);
-               var three_five_sln_gen = new SlnGenerator (slnVersion);
                var four_five_sln_gen = new SlnGenerator (slnVersion);
-               var projects = new List<MsbuildGenerator.VsCsproj> ();
+               var projects = new Dictionary<string,MsbuildGenerator> ();
 
-               XDocument doc = XDocument.Load ("order.xml");
                var duplicates = new List<string> ();
-               foreach (XElement project in doc.Root.Elements ()) {
-                       string dir = project.Attribute ("dir").Value;
-                       string library = project.Attribute ("library").Value;
-
-                       //
-                       // Do only class libraries for now
-                       //
-                       if (!(dir.StartsWith ("class") || dir.StartsWith ("mcs") || dir.StartsWith ("basic")))
-                               continue;
-
-                       //
-                       // Do not do 2.1, it is not working yet
-                       // Do not do basic, as there is no point (requires a system mcs to be installed).
-                       //
-                       //if (library.Contains ("moonlight") || library.Contains ("-basic") || library.EndsWith ("bootstrap"))
-                       if (library.Contains ("moonlight") || library.EndsWith ("bootstrap"))
-                               continue;
-
-                       var gen = new MsbuildGenerator (dir);
+               foreach (var project in GetProjects (makefileDeps)) {
+                       var library_output = project.Element ("library_output").Value;
+                       projects [library_output] = new MsbuildGenerator (project);
+               }
+               foreach (var project in GetProjects (makefileDeps)){
+                       var library_output = project.Element ("library_output").Value;
+                       var gen = projects [library_output];
                        try {
-                               var csproj = gen.Generate (project, projects);
-                               var csprojFilename = csproj.csprojFileName;
+                               var csproj = gen.Generate (projects);
+                               var csprojFilename = csproj.csProjFilename;
                                if (!sln_gen.ContainsProjectIdentifier (csproj.library)) {
-                                       projects.Add (csproj);
                                        sln_gen.Add (csproj);
                                } else {
                                        duplicates.Add (csprojFilename);
                                }
-
+                               
                        } catch (Exception e) {
-                               Console.WriteLine ("Error in {0}\n{1}", dir, e);
+                               Console.WriteLine ("Error in {0}\n{1}", project, e);
                        }
                }
 
                Func<MsbuildGenerator.VsCsproj, bool> additionalFilter;
-               additionalFilter = fullSolutions ? (Func<MsbuildGenerator.VsCsproj, bool>)null : isCommonLibrary;
+               additionalFilter = fullSolutions ? (Func<MsbuildGenerator.VsCsproj, bool>)null : IsCommonLibrary;
 
-               fillSolution (two_sln_gen, MsbuildGenerator.profile_2_0, projects, additionalFilter);
-               fillSolution (four_five_sln_gen, MsbuildGenerator.profile_4_5, projects, additionalFilter);
-               fillSolution (four_sln_gen, MsbuildGenerator.profile_4_0, projects, additionalFilter);
-               fillSolution (three_five_sln_gen, MsbuildGenerator.profile_3_5, projects, additionalFilter);
+               FillSolution (four_five_sln_gen, MsbuildGenerator.profile_4_5, projects.Values, additionalFilter);
 
                var sb = new StringBuilder ();
                sb.AppendLine ("WARNING: Skipped some project references, apparent duplicates in order.xml:");
@@ -956,58 +1070,89 @@ public class Driver {
                }
                Console.WriteLine (sb.ToString ());
 
-               writeSolution (two_sln_gen, mkSlnName (MsbuildGenerator.profile_2_0));
-               writeSolution (three_five_sln_gen, mkSlnName (MsbuildGenerator.profile_3_5));
-               writeSolution (four_sln_gen, mkSlnName (MsbuildGenerator.profile_4_0));
-               writeSolution (four_five_sln_gen, mkSlnName (MsbuildGenerator.profile_4_5));
+               WriteSolution (four_five_sln_gen, MakeSolutionName (MsbuildGenerator.profile_4_5));
+
+               if (makefileDeps){
+                       const string classDirPrefix = "./../../";
+                       Console.WriteLine ("here {0}", sln_gen.libraries.Count);
+                       foreach (var p in sln_gen.libraries){
+                               string rebasedOutput = RebaseToClassDirectory (MsbuildGenerator.GetRelativePath ("../../mcs/class", p.library_output));
+                               
+                               Console.Write ("{0}: ", rebasedOutput);
+                               foreach (var r in p.projReferences){
+                                       var lo = r.library_output;
+                                       if (lo.StartsWith (classDirPrefix))
+                                               lo = lo.Substring (classDirPrefix.Length);
+                                       else
+                                               lo = "<<ERROR-dependency is not a class library>>";
+                                       Console.Write ("{0} ", lo);
+                               }
+                               Console.Write ("\n\t(cd {0}; make {1})", p.MsbuildGenerator.dir, p.library_output);
+                               Console.WriteLine ("\n");
+                       }
+               }
+               
                // A few other optional solutions
                // Solutions with 'everything' and the most common libraries used in development may be of interest
-               //writeSolution (sln_gen, "mcs_full.sln");
-               //writeSolution (small_full_sln_gen, "small_full.sln");
+               //WriteSolution (sln_gen, "mcs_full.sln");
+               //WriteSolution (small_full_sln_gen, "small_full.sln");
                // The following may be useful if lacking visual studio or MonoDevelop, to bootstrap mono compiler self-hosting
-               //writeSolution (basic_sln_gen, "mcs_basic.sln");
-               //writeSolution (build_sln_gen, "mcs_build.sln");
+               //WriteSolution (basic_sln_gen, "mcs_basic.sln");
+               //WriteSolution (build_sln_gen, "mcs_build.sln");
        }
 
-       private static string mkSlnName (string profileTag)
+       // Rebases a path, assuming that execution is taking place in the "class" subdirectory,
+       // so it strips ../class/ from a path, which is a no-op
+       static string RebaseToClassDirectory (string path)
+       {
+               const string prefix = "../class/";
+               int p = path.IndexOf (prefix);
+               if (p == -1)
+                       return path;
+               return path.Substring (0, p) + path.Substring (p+prefix.Length);
+               return path;
+       }
+       
+       static string MakeSolutionName (string profileTag)
        {
                return "net" + profileTag + ".sln";
        }
 
-       private static void fillSolution (SlnGenerator solution, string profileString, List<MsbuildGenerator.VsCsproj> projects, Func<MsbuildGenerator.VsCsproj, bool> additionalFilter = null)
+       static void FillSolution (SlnGenerator solution, string profileString, IEnumerable<MsbuildGenerator> projects, Func<MsbuildGenerator.VsCsproj, bool> additionalFilter = null)
        {
-               foreach (var vsCsproj in projects) {
+               foreach (var generator in projects) {
+                       var vsCsproj = generator.Csproj;
                        if (!vsCsproj.library.Contains (profileString))
                                continue;
                        if (additionalFilter != null && !additionalFilter (vsCsproj))
                                continue;
-                       var csprojFilename = vsCsproj.csprojFileName;
+                       var csprojFilename = vsCsproj.csProjFilename;
                        if (!solution.ContainsProjectIdentifier (vsCsproj.library)) {
                                solution.Add (vsCsproj);
-                               recursiveAddProj (solution, vsCsproj);
+                               RecursiveAddProj (solution, vsCsproj);
                        }
                }
        }
 
-       private static void recursiveAddProj (SlnGenerator solution, MsbuildGenerator.VsCsproj vsCsproj, int recursiveDepth = 1)
+       static void RecursiveAddProj (SlnGenerator solution, MsbuildGenerator.VsCsproj vsCsproj, int recursiveDepth = 1)
        {
                const int max_recursive = 16;
                if (recursiveDepth > max_recursive) throw new Exception (string.Format ("Reached {0} levels of project dependency", max_recursive));
                foreach (var projRef in vsCsproj.projReferences) {
                        if (!solution.ContainsProjectIdentifier (projRef.library)) {
                                solution.Add (projRef);
-                               recursiveAddProj (solution, projRef, recursiveDepth + 1);
+                               RecursiveAddProj (solution, projRef, recursiveDepth + 1);
                        }
                }
        }
 
-       private static void writeSolution (SlnGenerator sln_gen, string slnfilename)
+       static void WriteSolution (SlnGenerator sln_gen, string slnfilename)
        {
                Console.WriteLine (String.Format ("Writing solution {1}, with {0} projects", sln_gen.Count, slnfilename));
                sln_gen.Write (slnfilename);
        }
 
-       private static bool isCommonLibrary (MsbuildGenerator.VsCsproj proj)
+       static bool IsCommonLibrary (MsbuildGenerator.VsCsproj proj)
        {
                var library = proj.library;
                //if (library.Contains ("-basic"))
@@ -1031,4 +1176,4 @@ public class Driver {
 
                return false;
        }
-}
\ No newline at end of file
+}