mcs/tools/mkbundle/mkbundle.cs

   1 //
   2 // mkbundle: tool to create bundles.
   3 //
   4 // Based on the `make-bundle' Perl script written by Paolo Molaro (lupus@debian.org)
   5 //
   6 // TODO:
   7 //   [x] Rename the paths for the zip file that is downloaded
   8 //   [x] Update documentation with new flag
   9 //   [x] Load internationalized assemblies
  10 //   [x] Dependencies - if System.dll -> include Mono.Security.* (not needed, automatic)
  11 //   [x] --list-targets should download from a different url
  12 //   [x] --fetch-target should unpack zip file
  13 //   [x] Update --cross to use not a runtime, but an SDK
  14 //   [x] Update --local-targets to show the downloaded SDKs
  15 //
  16 // Author:
  17 //   Miguel de Icaza
  18 //
  19 // (C) Novell, Inc 2004
  20 // (C) 2016 Xamarin Inc
  21 //
  22 // Missing features:
  23 // * Add support for packaging native libraries, extracting at runtime and setting the library path.
  24 // * Implement --list-targets lists all the available remote targets
  25 //
  26 using System;
  27 using System.Diagnostics;
  28 using System.Xml;
  29 using System.Collections.Generic;
  30 using System.IO;
  31 using System.IO.Compression;
  32 using System.Runtime.InteropServices;
  33 using System.Text;
  34 using IKVM.Reflection;
  35 using System.Linq;
  36 using System.Net;
  37 using System.Threading.Tasks;
  38
  39 class MakeBundle {
  40         static string output = "a.out";
  41         static string object_out = null;
  42         static List<string> link_paths = new List<string> ();
  43         static Dictionary<string,string> libraries = new Dictionary<string,string> ();
  44         static bool autodeps = false;
  45         static bool keeptemp = false;
  46         static bool compile_only = false;
  47         static bool static_link = false;
  48         static string config_file = null;
  49         static string machine_config_file = null;
  50         static string config_dir = null;
  51         static string style = "linux";
  52         static string os_message = "";
  53         static bool compress;
  54         static bool nomain;
  55         static string custom_main = null;
  56         static bool? use_dos2unix = null;
  57         static bool skip_scan;
  58         static string ctor_func;
  59         static bool quiet = true;
  60         static string cross_target = null;
  61         static string fetch_target = null;
  62         static bool custom_mode = true;
  63         static string embedded_options = null;
  64         static string runtime = null;
  65         static string sdk_path = null;
  66         static string lib_path = null;
  67         static Dictionary<string,string> environment = new Dictionary<string,string>();
  68         static string [] i18n = new string [] {
  69                 "West",
  70                 ""
  71         };
  72         static string [] i18n_all = new string [] {
  73                 "CJK",
  74                 "MidEast",
  75                 "Other",
  76                 "Rare",
  77                 "West",
  78                 ""
  79         };
  80         static string target_server = "https://download.mono-project.com/runtimes/raw/";
  81
  82         static int Main (string [] args)
  83         {
  84                 List<string> sources = new List<string> ();
  85                 int top = args.Length;
  86                 link_paths.Add (".");
  87
  88                 DetectOS ();
  89
  90                 for (int i = 0; i < top; i++){
  91                         switch (args [i]){
  92                         case "--help": case "-h": case "-?":
  93                                 Help ();
  94                                 return 1;
  95
  96                         case "--simple":
  97                                 custom_mode = false;
  98                                 autodeps = true;
  99                                 break;
 100
 101                         case "-v":
 102                                 quiet = false;
 103                                 break;
 104
 105                         case "--i18n":
 106                                 if (i+1 == top){
 107                                         Help ();
 108                                         return 1;
 109                                 }
 110                                 var iarg = args [++i];
 111                                 if (iarg == "all")
 112                                         i18n = i18n_all;
 113                                 else if (iarg == "none")
 114                                         i18n = new string [0];
 115                                 else
 116                                         i18n = iarg.Split (',');
 117                                 break;
 118
 119                         case "--custom":
 120                                 custom_mode = true;
 121                                 break;
 122
 123                         case "-c":
 124                                 compile_only = true;
 125                                 break;
 126
 127                         case "--local-targets":
 128                                 CommandLocalTargets ();
 129                                 return 0;
 130
 131                         case "--cross":
 132                                 if (i+1 == top){
 133                                         Help ();
 134                                         return 1;
 135                                 }
 136                                 if (sdk_path != null || runtime != null)
 137                                         Error ("You can not specify one of --runtime, --sdk or --cross");
 138                                 custom_mode = false;
 139                                 autodeps = true;
 140                                 cross_target = args [++i];
 141                                 break;
 142
 143                         case "--library":
 144                                 if (i+1 == top){
 145                                         Help ();
 146                                         return 1;
 147                                 }
 148                                 if (custom_mode){
 149                                         Console.Error.WriteLine ("--library can only be used with --simple/--runtime/--cross mode");
 150                                         Help ();
 151                                         return 1;
 152                                 }
 153                                 var lspec = args [++i];
 154                                 var p = lspec.IndexOf (",");
 155                                 string alias, path;
 156                                 if (p == -1){
 157                                         alias = Path.GetFileName (lspec);
 158                                         path = lspec;
 159                                 } else {
 160                                         alias = lspec.Substring (0, p);
 161                                         path = lspec.Substring (p+1);
 162                                 }
 163                                 if (!File.Exists (path))
 164                                         Error ($"The specified library file {path} does not exist");
 165                                 libraries [alias] = path;
 166                                 break;
 167
 168                         case "--fetch-target":
 169                                 if (i+1 == top){
 170                                         Help ();
 171                                         return 1;
 172                                 }
 173                                 fetch_target = args [++i];
 174                                 break;
 175
 176                         case "--list-targets":
 177                                 CommandLocalTargets ();
 178                                 var wc = new WebClient ();
 179                                 var s = wc.DownloadString (new Uri (target_server + "target-sdks.txt"));
 180                                 Console.WriteLine ("Targets available for download with --fetch-target:\n" + s);
 181                                 return 0;
 182
 183                         case "--target-server":
 184                                 if (i+1 == top){
 185                                         Help ();
 186                                         return 1;
 187                                 }
 188                                 target_server = args [++i];
 189                                 break;
 190
 191                         case "-o":
 192                                 if (i+1 == top){
 193                                         Help ();
 194                                         return 1;
 195                                 }
 196                                 output = args [++i];
 197                                 break;
 198
 199                         case "--options":
 200                                 if (i+1 == top){
 201                                         Help ();
 202                                         return 1;
 203                                 }
 204                                 embedded_options = args [++i];
 205                                 break;
 206                         case "--sdk":
 207                                 if (i + 1 == top) {
 208                                         Help ();
 209                                         return 1;
 210                                 }
 211                                 custom_mode = false;
 212                                 autodeps = true;
 213                                 sdk_path = args [++i];
 214                                 if (cross_target != null || runtime != null)
 215                                         Error ("You can not specify one of --runtime, --sdk or --cross");
 216                                 break;
 217                         case "--runtime":
 218                                 if (i+1 == top){
 219                                         Help ();
 220                                         return 1;
 221                                 }
 222                                 if (sdk_path != null || cross_target != null)
 223                                         Error ("You can only specify one of --runtime, --sdk or --cross");
 224                                 custom_mode = false;
 225                                 autodeps = true;
 226                                 runtime = args [++i];
 227                                 break;
 228                         case "-oo":
 229                                 if (i+1 == top){
 230                                         Help ();
 231                                         return 1;
 232                                 }
 233                                 object_out = args [++i];
 234                                 break;
 235
 236                         case "-L":
 237                                 if (i+1 == top){
 238                                         Help ();
 239                                         return 1;
 240                                 }
 241                                 link_paths.Add (args [++i]);
 242                                 break;
 243
 244                         case "--nodeps":
 245                                 autodeps = false;
 246                                 break;
 247
 248                         case "--deps":
 249                                 autodeps = true;
 250                                 break;
 251
 252                         case "--keeptemp":
 253                                 keeptemp = true;
 254                                 break;
 255
 256                         case "--static":
 257                                 static_link = true;
 258                                 break;
 259                         case "--config":
 260                                 if (i+1 == top) {
 261                                         Help ();
 262                                         return 1;
 263                                 }
 264
 265                                 config_file = args [++i];
 266                                 break;
 267                         case "--machine-config":
 268                                 if (i+1 == top) {
 269                                         Help ();
 270                                         return 1;
 271                                 }
 272
 273                                 machine_config_file = args [++i];
 274
 275                                 if (!quiet)
 276                                         Console.WriteLine ("WARNING:\n  Check that the machine.config file you are bundling\n  doesn't contain sensitive information specific to this machine.");
 277                                 break;
 278                         case "--config-dir":
 279                                 if (i+1 == top) {
 280                                         Help ();
 281                                         return 1;
 282                                 }
 283
 284                                 config_dir = args [++i];
 285                                 break;
 286                         case "-z":
 287                                 compress = true;
 288                                 break;
 289                         case "--nomain":
 290                                 nomain = true;
 291                                 break;
 292                         case "--custom-main":
 293                                 if (i+1 == top) {
 294                                         Help ();
 295                                         return 1;
 296                                 }
 297                                 custom_main = args [++i];
 298                                 break;
 299                         case "--style":
 300                                 if (i+1 == top) {
 301                                         Help ();
 302                                         return 1;
 303                                 }
 304                                 style = args [++i];
 305                                 switch (style) {
 306                                 case "windows":
 307                                 case "mac":
 308                                 case "linux":
 309                                         break;
 310                                 default:
 311                                         Error ("Invalid style '{0}' - only 'windows', 'mac' and 'linux' are supported for --style argument", style);
 312                                         return 1;
 313                                 }
 314
 315                                 break;
 316                         case "--skip-scan":
 317                                 skip_scan = true;
 318                                 break;
 319                         case "--static-ctor":
 320                                 if (i+1 == top) {
 321                                         Help ();
 322                                         return 1;
 323                                 }
 324                                 ctor_func = args [++i];
 325                                 break;
 326                         case "--dos2unix":
 327                         case "--dos2unix=true":
 328                                 use_dos2unix = true;
 329                                 break;
 330                         case "--dos2unix=false":
 331                                 use_dos2unix = false;
 332                                 break;
 333                         case "-q":
 334                         case "--quiet":
 335                                 quiet = true;
 336                                 break;
 337                         case "-e":
 338                         case "--env":
 339                                 if (i+1 == top) {
 340                                         Help ();
 341                                         return 1;
 342                                 }
 343                                 var env = args [++i];
 344                                 p = env.IndexOf ('=');
 345                                 if (p == -1)
 346                                         environment.Add (env, "");
 347                                 else
 348                                         environment.Add (env.Substring (0, p), env.Substring (p+1));
 349                                 break;
 350                         default:
 351                                 sources.Add (args [i]);
 352                                 break;
 353                         }
 354
 355                 }
 356                 // Modern bundling starts here
 357                 if (!custom_mode){
 358                         if (runtime != null){
 359                                 // Nothing to do here, the user has chosen to manually specify --runtime nad libraries
 360                         } else if (sdk_path != null) {
 361                                 VerifySdk (sdk_path);
 362                         } else if (cross_target == "default" || cross_target == null){
 363                                 sdk_path = Path.GetFullPath (Path.Combine (Process.GetCurrentProcess().MainModule.FileName, "..", ".."));
 364                                 VerifySdk (sdk_path);
 365                         } else {
 366                                 sdk_path = Path.Combine (targets_dir, cross_target);
 367                                 Console.WriteLine ("From: " + sdk_path);
 368                                 VerifySdk (sdk_path);
 369                         }
 370                 }
 371
 372                 if (fetch_target != null){
 373                         var directory = Path.Combine (targets_dir, fetch_target);
 374                         var zip_download = Path.Combine (directory, "sdk.zip");
 375                         Directory.CreateDirectory (Path.GetDirectoryName (directory));
 376                         var wc = new WebClient ();
 377                         var uri = new Uri ($"{target_server}{fetch_target}");
 378                         try {
 379                                 if (!quiet){
 380                                         Console.WriteLine ($"Downloading runtime {uri} to {zip_download}");
 381                                 }
 382
 383                                 wc.DownloadFile (uri, zip_download);
 384                                 ZipFile.ExtractToDirectory(zip_download, directory);
 385                                 File.Delete (zip_download);
 386                         } catch {
 387                                 Console.Error.WriteLine ($"Failure to download the specified runtime from {uri}");
 388                                 File.Delete (zip_download);
 389                                 return 1;
 390                         }
 391                         return 0;
 392                 }
 393
 394                 if (!quiet) {
 395                         Console.WriteLine (os_message);
 396                         Console.WriteLine ("Sources: {0} Auto-dependencies: {1}", sources.Count, autodeps);
 397                 }
 398
 399                 if (sources.Count == 0 || output == null) {
 400                         Help ();
 401                         Environment.Exit (1);
 402                 }
 403
 404                 List<string> assemblies = LoadAssemblies (sources);
 405                 LoadLocalizedAssemblies (assemblies);
 406                 List<string> files = new List<string> ();
 407                 foreach (string file in assemblies)
 408                         if (!QueueAssembly (files, file))
 409                                 return 1;
 410                 if (custom_mode)
 411                         GenerateBundles (files);
 412                 else
 413                         GeneratePackage (files);
 414
 415                 Console.WriteLine ("Generated {0}", output);
 416
 417                 return 0;
 418         }
 419
 420         static void VerifySdk (string path)
 421         {
 422                 if (!Directory.Exists (path))
 423                         Error ($"The specified SDK path does not exist: {path}");
 424                 runtime = Path.Combine (sdk_path, "bin", "mono");
 425                 if (!File.Exists (runtime))
 426                         Error ($"The SDK location does not contain a {path}/bin/mono runtime");
 427                 lib_path = Path.Combine (path, "lib", "mono", "4.5");
 428                 if (!Directory.Exists (lib_path))
 429                         Error ($"The SDK location does not contain a {path}/lib/mono/4.5 directory");
 430                 link_paths.Add (lib_path);
 431         }
 432
 433         static string targets_dir = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.Personal), ".mono", "targets");
 434
 435         static void CommandLocalTargets ()
 436         {
 437                 string [] targets;
 438
 439                 Console.WriteLine ("Available targets locally:");
 440                 Console.WriteLine ("\tdefault\t- Current System Mono");
 441                 try {
 442                         targets = Directory.GetDirectories (targets_dir);
 443                 } catch {
 444                         return;
 445                 }
 446                 foreach (var target in targets){
 447                         var p = Path.Combine (target, "bin", "mono");
 448                         if (File.Exists (p))
 449                                 Console.WriteLine ("\t{0}", Path.GetFileName (target));
 450                 }
 451         }
 452
 453         static void WriteSymbol (StreamWriter sw, string name, long size)
 454         {
 455                 switch (style){
 456                 case "linux":
 457                         sw.WriteLine (
 458                                 ".globl {0}\n" +
 459                                 "\t.section .rodata\n" +
 460                                 "\t.p2align 5\n" +
 461                                 "\t.type {0}, \"object\"\n" +
 462                                 "\t.size {0}, {1}\n" +
 463                                 "{0}:\n",
 464                                 name, size);
 465                         break;
 466                 case "osx":
 467                         sw.WriteLine (
 468                                 "\t.section __TEXT,__text,regular,pure_instructions\n" +
 469                                 "\t.globl _{0}\n" +
 470                                 "\t.data\n" +
 471                                 "\t.align 4\n" +
 472                                 "_{0}:\n",
 473                                 name, size);
 474                         break;
 475                 case "windows":
 476                         sw.WriteLine (
 477                                 ".globl _{0}\n" +
 478                                 "\t.section .rdata,\"dr\"\n" +
 479                                 "\t.align 32\n" +
 480                                 "_{0}:\n",
 481                                 name, size);
 482                         break;
 483                 }
 484         }
 485
 486         static string [] chars = new string [256];
 487
 488         static void WriteBuffer (StreamWriter ts, Stream stream, byte[] buffer)
 489         {
 490                 int n;
 491
 492                 // Preallocate the strings we need.
 493                 if (chars [0] == null) {
 494                         for (int i = 0; i < chars.Length; i++)
 495                                 chars [i] = string.Format ("{0}", i.ToString ());
 496                 }
 497
 498                 while ((n = stream.Read (buffer, 0, buffer.Length)) != 0) {
 499                         int count = 0;
 500                         for (int i = 0; i < n; i++) {
 501                                 if (count % 32 == 0) {
 502                                         ts.Write ("\n\t.byte ");
 503                                 } else {
 504                                         ts.Write (",");
 505                                 }
 506                                 ts.Write (chars [buffer [i]]);
 507                                 count ++;
 508                         }
 509                 }
 510
 511                 ts.WriteLine ();
 512         }
 513
 514         class PackageMaker {
 515                 Dictionary<string, Tuple<long,int>> locations = new Dictionary<string, Tuple<long,int>> ();
 516                 const int align = 4096;
 517                 Stream package;
 518
 519                 public PackageMaker (string output)
 520                 {
 521                         package = File.Create (output, 128*1024);
 522                         if (IsUnix){
 523                                 File.SetAttributes (output, unchecked ((FileAttributes) 0x80000000));
 524                         }
 525                 }
 526
 527                 public int AddFile (string fname)
 528                 {
 529                         using (Stream fileStream = File.OpenRead (fname)){
 530                                 var ret = fileStream.Length;
 531
 532                                 if (!quiet)
 533                                         Console.WriteLine ("At {0:x} with input {1}", package.Position, fileStream.Length);
 534                                 fileStream.CopyTo (package);
 535                                 package.Position = package.Position + (align - (package.Position % align));
 536
 537                                 return (int) ret;
 538                         }
 539                 }
 540
 541                 public void Add (string entry, string fname)
 542                 {
 543                         var p = package.Position;
 544                         var size = AddFile (fname);
 545
 546                         locations [entry] = Tuple.Create(p, size);
 547                 }
 548
 549                 public void AddString (string entry, string text)
 550                 {
 551                         var bytes = Encoding.UTF8.GetBytes (text);
 552                         locations [entry] = Tuple.Create (package.Position, bytes.Length);
 553                         package.Write (bytes, 0, bytes.Length);
 554                         package.Position = package.Position + (align - (package.Position % align));
 555                 }
 556
 557                 public void AddStringPair (string entry, string key, string value)
 558                 {
 559                         var kbytes = Encoding.UTF8.GetBytes (key);
 560                         var vbytes = Encoding.UTF8.GetBytes (value);
 561
 562                         Console.WriteLine ("ADDING {0} to {1}", key, value);
 563                         if (kbytes.Length > 255){
 564                                 Console.WriteLine ("The key value can not exceed 255 characters: " + key);
 565                                 Environment.Exit (1);
 566                         }
 567
 568                         locations [entry] = Tuple.Create (package.Position, kbytes.Length+vbytes.Length+3);
 569                         package.WriteByte ((byte)kbytes.Length);
 570                         package.Write (kbytes, 0, kbytes.Length);
 571                         package.WriteByte (0);
 572                         package.Write (vbytes, 0, vbytes.Length);
 573                         package.WriteByte (0);
 574                         package.Position = package.Position + (align - (package.Position % align));
 575                 }
 576
 577                 public void Dump ()
 578                 {
 579                         if (quiet)
 580                                 return;
 581                         foreach (var floc in locations.Keys){
 582                                 Console.WriteLine ($"{floc} at {locations[floc]:x}");
 583                         }
 584                 }
 585
 586                 public void WriteIndex ()
 587                 {
 588                         var indexStart = package.Position;
 589                         var binary = new BinaryWriter (package);
 590
 591                         binary.Write (locations.Count);
 592                         foreach (var entry in from entry in locations orderby entry.Value.Item1 ascending select entry){
 593                                 var bytes = Encoding.UTF8.GetBytes (entry.Key);
 594                                 binary.Write (bytes.Length+1);
 595                                 binary.Write (bytes);
 596                                 binary.Write ((byte) 0);
 597                                 binary.Write (entry.Value.Item1);
 598                                 binary.Write (entry.Value.Item2);
 599                         }
 600                         binary.Write (indexStart);
 601                         binary.Write (Encoding.UTF8.GetBytes ("xmonkeysloveplay"));
 602                         binary.Flush ();
 603                 }
 604
 605                 public void Close ()
 606                 {
 607                         WriteIndex ();
 608                         package.Close ();
 609                         package = null;
 610                 }
 611         }
 612
 613         static bool MaybeAddFile (PackageMaker maker, string code, string file)
 614         {
 615                 if (file == null)
 616                         return true;
 617
 618                 if (!File.Exists (file)){
 619                         Error ("The file {0} does not exist", file);
 620                         return false;
 621                 }
 622                 maker.Add (code, file);
 623                 return true;
 624         }
 625
 626         static bool GeneratePackage (List<string> files)
 627         {
 628                 if (runtime == null){
 629                         if (IsUnix)
 630                                 runtime = Process.GetCurrentProcess().MainModule.FileName;
 631                         else {
 632                                 Error ("You must specify at least one runtime with --runtime or --cross");
 633                                 Environment.Exit (1);
 634                         }
 635                 }
 636                 if (!File.Exists (runtime)){
 637                         Error ($"The specified runtime at {runtime} does not exist");
 638                         Environment.Exit (1);
 639                 }
 640
 641                 if (ctor_func != null){
 642                         Error ("--static-ctor not supported with package bundling, you must use native compilation for this");
 643                         return false;
 644                 }
 645
 646                 var maker = new PackageMaker (output);
 647                 Console.WriteLine ("Using runtime: " + runtime);
 648                 maker.AddFile (runtime);
 649
 650                 foreach (var url in files){
 651                         string fname = LocateFile (new Uri (url).LocalPath);
 652                         string aname = MakeBundle.GetAssemblyName (fname);
 653
 654                         maker.Add ("assembly:" + aname, fname);
 655                         Console.WriteLine ("     Assembly: " + fname);
 656                         if (File.Exists (fname + ".config")){
 657                                 maker.Add ("config:" + aname, fname + ".config");
 658                                 Console.WriteLine ("       Config: " + runtime);
 659                         }
 660                 }
 661
 662                 if (!MaybeAddFile (maker, "systemconfig:", config_file) || !MaybeAddFile (maker, "machineconfig:", machine_config_file))
 663                         return false;
 664
 665                 if (config_dir != null)
 666                         maker.Add ("config_dir:", config_dir);
 667                 if (embedded_options != null)
 668                         maker.AddString ("options:", embedded_options);
 669                 if (environment.Count > 0){
 670                         foreach (var key in environment.Keys)
 671                                 maker.AddStringPair ("env:" + key, key, environment [key]);
 672                 }
 673                 if (libraries.Count > 0){
 674                         foreach (var alias_and_path in libraries){
 675                                 Console.WriteLine ("     Library:  " + alias_and_path.Value);
 676                                 maker.Add ("library:" + alias_and_path.Key, alias_and_path.Value);
 677                         }
 678                 }
 679                 maker.Dump ();
 680                 maker.Close ();
 681                 return true;
 682         }
 683
 684         static void GenerateBundles (List<string> files)
 685         {
 686                 string temp_s = "temp.s"; // Path.GetTempFileName ();
 687                 string temp_c = "temp.c";
 688                 string temp_o = "temp.o";
 689
 690                 if (compile_only)
 691                         temp_c = output;
 692                 if (object_out != null)
 693                         temp_o = object_out;
 694
 695                 try {
 696                         List<string> c_bundle_names = new List<string> ();
 697                         List<string[]> config_names = new List<string[]> ();
 698
 699                         using (StreamWriter ts = new StreamWriter (File.Create (temp_s))) {
 700                         using (StreamWriter tc = new StreamWriter (File.Create (temp_c))) {
 701                         string prog = null;
 702
 703 #if XAMARIN_ANDROID
 704                         tc.WriteLine ("/* This source code was produced by mkbundle, do not edit */");
 705                         tc.WriteLine ("\n#ifndef NULL\n#define NULL (void *)0\n#endif");
 706                         tc.WriteLine (@"
 707 typedef struct {
 708         const char *name;
 709         const unsigned char *data;
 710         const unsigned int size;
 711 } MonoBundledAssembly;
 712 void          mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies);
 713 void          mono_register_config_for_assembly (const char* assembly_name, const char* config_xml);
 714 ");
 715 #else
 716                         tc.WriteLine ("#include <mono/metadata/mono-config.h>");
 717                         tc.WriteLine ("#include <mono/metadata/assembly.h>\n");
 718 #endif
 719
 720                         if (compress) {
 721                                 tc.WriteLine ("typedef struct _compressed_data {");
 722                                 tc.WriteLine ("\tMonoBundledAssembly assembly;");
 723                                 tc.WriteLine ("\tint compressed_size;");
 724                                 tc.WriteLine ("} CompressedAssembly;\n");
 725                         }
 726
 727                         object monitor = new object ();
 728
 729                         var streams = new Dictionary<string, Stream> ();
 730                         var sizes = new Dictionary<string, long> ();
 731
 732                         // Do the file reading and compression in parallel
 733                         Action<string> body = delegate (string url) {
 734                                 string fname = LocateFile (new Uri (url).LocalPath);
 735                                 Stream stream = File.OpenRead (fname);
 736
 737                                 long real_size = stream.Length;
 738                                 int n;
 739                                 if (compress) {
 740                                         byte[] cbuffer = new byte [8192];
 741                                         MemoryStream ms = new MemoryStream ();
 742                                         GZipStream deflate = new GZipStream (ms, CompressionMode.Compress, leaveOpen:true);
 743                                         while ((n = stream.Read (cbuffer, 0, cbuffer.Length)) != 0){
 744                                                 deflate.Write (cbuffer, 0, n);
 745                                         }
 746                                         stream.Close ();
 747                                         deflate.Close ();
 748                                         byte [] bytes = ms.GetBuffer ();
 749                                         stream = new MemoryStream (bytes, 0, (int) ms.Length, false, false);
 750                                 }
 751
 752                                 lock (monitor) {
 753                                         streams [url] = stream;
 754                                         sizes [url] = real_size;
 755                                 }
 756                         };
 757
 758                         //#if NET_4_5
 759 #if FALSE
 760                         Parallel.ForEach (files, body);
 761 #else
 762                         foreach (var url in files)
 763                                 body (url);
 764 #endif
 765
 766                         // The non-parallel part
 767                         byte [] buffer = new byte [8192];
 768                         // everything other than a-zA-Z0-9_ needs to be escaped in asm symbols.
 769                         var symbolEscapeRE = new System.Text.RegularExpressions.Regex ("[^\\w_]");
 770                         foreach (var url in files) {
 771                                 string fname = LocateFile (new Uri (url).LocalPath);
 772                                 string aname = MakeBundle.GetAssemblyName (fname);
 773                                 string encoded = symbolEscapeRE.Replace (aname, "_");
 774
 775                                 if (prog == null)
 776                                         prog = aname;
 777
 778                                 var stream = streams [url];
 779                                 var real_size = sizes [url];
 780
 781                                 if (!quiet)
 782                                         Console.WriteLine ("   embedding: " + fname);
 783
 784                                 WriteSymbol (ts, "assembly_data_" + encoded, stream.Length);
 785
 786                                 WriteBuffer (ts, stream, buffer);
 787
 788                                 if (compress) {
 789                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 790                                         tc.WriteLine ("static CompressedAssembly assembly_bundle_{0} = {{{{\"{1}\"," +
 791                                                                   " assembly_data_{0}, {2}}}, {3}}};",
 792                                                                   encoded, aname, real_size, stream.Length);
 793                                         if (!quiet) {
 794                                                 double ratio = ((double) stream.Length * 100) / real_size;
 795                                                 Console.WriteLine ("   compression ratio: {0:.00}%", ratio);
 796                                         }
 797                                 } else {
 798                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 799                                         tc.WriteLine ("static const MonoBundledAssembly assembly_bundle_{0} = {{\"{1}\", assembly_data_{0}, {2}}};",
 800                                                                   encoded, aname, real_size);
 801                                 }
 802                                 stream.Close ();
 803
 804                                 c_bundle_names.Add ("assembly_bundle_" + encoded);
 805
 806                                 try {
 807                                         FileStream cf = File.OpenRead (fname + ".config");
 808                                         if (!quiet)
 809                                                 Console.WriteLine (" config from: " + fname + ".config");
 810                                         tc.WriteLine ("extern const unsigned char assembly_config_{0} [];", encoded);
 811                                         WriteSymbol (ts, "assembly_config_" + encoded, cf.Length);
 812                                         WriteBuffer (ts, cf, buffer);
 813                                         ts.WriteLine ();
 814                                         config_names.Add (new string[] {aname, encoded});
 815                                 } catch (FileNotFoundException) {
 816                                         /* we ignore if the config file doesn't exist */
 817                                 }
 818                         }
 819
 820                         if (config_file != null){
 821                                 FileStream conf;
 822                                 try {
 823                                         conf = File.OpenRead (config_file);
 824                                 } catch {
 825                                         Error ("Failure to open {0}", config_file);
 826                                         return;
 827                                 }
 828                                 if (!quiet)
 829                                         Console.WriteLine ("System config from: " + config_file);
 830                                 tc.WriteLine ("extern const char system_config;");
 831                                 WriteSymbol (ts, "system_config", config_file.Length);
 832
 833                                 WriteBuffer (ts, conf, buffer);
 834                                 // null terminator
 835                                 ts.Write ("\t.byte 0\n");
 836                                 ts.WriteLine ();
 837                         }
 838
 839                         if (machine_config_file != null){
 840                                 FileStream conf;
 841                                 try {
 842                                         conf = File.OpenRead (machine_config_file);
 843                                 } catch {
 844                                         Error ("Failure to open {0}", machine_config_file);
 845                                         return;
 846                                 }
 847                                 if (!quiet)
 848                                         Console.WriteLine ("Machine config from: " + machine_config_file);
 849                                 tc.WriteLine ("extern const char machine_config;");
 850                                 WriteSymbol (ts, "machine_config", machine_config_file.Length);
 851
 852                                 WriteBuffer (ts, conf, buffer);
 853                                 ts.Write ("\t.byte 0\n");
 854                                 ts.WriteLine ();
 855                         }
 856                         ts.Close ();
 857
 858                         if (compress)
 859                                 tc.WriteLine ("\nstatic const CompressedAssembly *compressed [] = {");
 860                         else
 861                                 tc.WriteLine ("\nstatic const MonoBundledAssembly *bundled [] = {");
 862
 863                         foreach (string c in c_bundle_names){
 864                                 tc.WriteLine ("\t&{0},", c);
 865                         }
 866                         tc.WriteLine ("\tNULL\n};\n");
 867                         tc.WriteLine ("static char *image_name = \"{0}\";", prog);
 868
 869                         if (ctor_func != null) {
 870                                 tc.WriteLine ("\nextern void {0} (void);", ctor_func);
 871                                 tc.WriteLine ("\n__attribute__ ((constructor)) static void mono_mkbundle_ctor (void)");
 872                                 tc.WriteLine ("{{\n\t{0} ();\n}}", ctor_func);
 873                         }
 874
 875                         tc.WriteLine ("\nstatic void install_dll_config_files (void) {\n");
 876                         foreach (string[] ass in config_names){
 877                                 tc.WriteLine ("\tmono_register_config_for_assembly (\"{0}\", assembly_config_{1});\n", ass [0], ass [1]);
 878                         }
 879                         if (config_file != null)
 880                                 tc.WriteLine ("\tmono_config_parse_memory (&system_config);\n");
 881                         if (machine_config_file != null)
 882                                 tc.WriteLine ("\tmono_register_machine_config (&machine_config);\n");
 883                         tc.WriteLine ("}\n");
 884
 885                         if (config_dir != null)
 886                                 tc.WriteLine ("static const char *config_dir = \"{0}\";", config_dir);
 887                         else
 888                                 tc.WriteLine ("static const char *config_dir = NULL;");
 889
 890                         Stream template_stream;
 891                         if (compress) {
 892                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_z.c");
 893                         } else {
 894                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template.c");
 895                         }
 896
 897                         StreamReader s = new StreamReader (template_stream);
 898                         string template = s.ReadToEnd ();
 899                         tc.Write (template);
 900
 901                         if (!nomain && custom_main == null) {
 902                                 Stream template_main_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_main.c");
 903                                 StreamReader st = new StreamReader (template_main_stream);
 904                                 string maintemplate = st.ReadToEnd ();
 905                                 tc.Write (maintemplate);
 906                         }
 907
 908                         tc.Close ();
 909
 910                         string assembler = GetEnv("AS", "as");
 911                         string as_cmd = String.Format("{0} -o {1} {2} ", assembler, temp_o, temp_s);
 912                         Execute(as_cmd);
 913
 914                         if (compile_only)
 915                                 return;
 916
 917                         if (!quiet)
 918                                 Console.WriteLine("Compiling:");
 919
 920                         if (style == "windows")
 921                         {
 922
 923                                 Func<string, string> quote = (pp) => { return "\"" + pp + "\""; };
 924
 925                                 string compiler = GetEnv("CC", "cl.exe");
 926                                 string winsdkPath = GetEnv("WINSDK", @"C:\Program Files (x86)\Windows Kits\8.1");
 927                                 string vsPath = GetEnv("VSINCLUDE", @"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC");
 928                                 string monoPath = GetEnv("MONOPREFIX", @"C:\Program Files (x86)\Mono");
 929
 930                                 string[] includes = new string[] {winsdkPath + @"\Include\um", winsdkPath + @"\Include\shared", vsPath + @"\include", monoPath + @"\include\mono-2.0", "." };
 931                                 // string[] libs = new string[] { winsdkPath + @"\Lib\winv6.3\um\x86" , vsPath + @"\lib" };
 932                                 var linkLibraries = new string[] {  "kernel32.lib",
 933                                                                                                 "version.lib",
 934                                                                                                 "Ws2_32.lib",
 935                                                                                                 "Mswsock.lib",
 936                                                                                                 "Psapi.lib",
 937                                                                                                 "shell32.lib",
 938                                                                                                 "OleAut32.lib",
 939                                                                                                 "ole32.lib",
 940                                                                                                 "winmm.lib",
 941                                                                                                 "user32.lib",
 942                                                                                                 "libvcruntime.lib",
 943                                                                                                 "advapi32.lib",
 944                                                                                                 "OLDNAMES.lib",
 945                                                                                                 "libucrt.lib" };
 946
 947                                 string glue_obj = "mkbundle_glue.obj";
 948                                 string monoLib;
 949
 950                                 if (static_link)
 951                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0-static.lib");
 952
 953                                 else {
 954                                         Console.WriteLine ("WARNING: Dynamically linking the Mono runtime on Windows is not a tested option.");
 955                                         monoLib = LocateFile (monoPath + @"\lib\monosgen-2.0.lib");
 956                                         LocateFile (monoPath + @"\lib\monosgen-2.0.dll"); // in this case, the .lib is just the import library, and the .dll is also needed
 957                                 }
 958
 959                                 var compilerArgs = new List<string>();
 960                                 compilerArgs.Add("/MT");
 961
 962                                 foreach (string include in includes)
 963                                         compilerArgs.Add(String.Format ("/I {0}", quote (include)));
 964
 965                                 if (!nomain || custom_main != null) {
 966                                         compilerArgs.Add(quote(temp_c));
 967                                         compilerArgs.Add(quote(temp_o));
 968                                         if (custom_main != null)
 969                                                 compilerArgs.Add(quote(custom_main));
 970                                         compilerArgs.Add(quote(monoLib));
 971                                         compilerArgs.Add("/link");
 972                                         compilerArgs.Add("/NODEFAULTLIB");
 973                                         compilerArgs.Add("/SUBSYSTEM:windows");
 974                                         compilerArgs.Add("/ENTRY:mainCRTStartup");
 975                                         compilerArgs.AddRange(linkLibraries);
 976                                         compilerArgs.Add("/out:"+ output);
 977
 978                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 979                                         Execute (cl_cmd);
 980                                 }
 981                                 else
 982                                 {
 983                                         // we are just creating a .lib
 984                                         compilerArgs.Add("/c"); // compile only
 985                                         compilerArgs.Add(temp_c);
 986                                         compilerArgs.Add(String.Format("/Fo" + glue_obj)); // .obj output name
 987
 988                                         string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 989                                         Execute (cl_cmd);
 990
 991                                         string librarian = GetEnv ("LIB", "lib.exe");
 992                                         var librarianArgs = new List<string> ();
 993                                         librarianArgs.Add (String.Format ("/out:{0}.lib" + output));
 994                                         librarianArgs.Add (temp_o);
 995                                         librarianArgs.Add (glue_obj);
 996                                         librarianArgs.Add (monoLib);
 997                                         string lib_cmd = String.Format("{0} {1}", librarian, String.Join(" ", librarianArgs.ToArray()));
 998                                         Execute (lib_cmd);
 999                                 }
1000                         }
1001                         else
1002                         {
1003                                 string zlib = (compress ? "-lz" : "");
1004                                 string debugging = "-g";
1005                                 string cc = GetEnv("CC", "cc");
1006                                 string cmd = null;
1007
1008                                 if (style == "linux")
1009                                         debugging = "-ggdb";
1010                                 if (static_link)
1011                                 {
1012                                         string smonolib;
1013                                         if (style == "osx")
1014                                                 smonolib = "`pkg-config --variable=libdir mono-2`/libmono-2.0.a ";
1015                                         else
1016                                                 smonolib = "-Wl,-Bstatic -lmono-2.0 -Wl,-Bdynamic ";
1017                                         cmd = String.Format("{4} -o '{2}' -Wall `pkg-config --cflags mono-2` {0} {3} " +
1018                                                 "`pkg-config --libs-only-L mono-2` " + smonolib +
1019                                                 "`pkg-config --libs-only-l mono-2 | sed -e \"s/\\-lmono-2.0 //\"` {1}",
1020                                                 temp_c, temp_o, output, zlib, cc);
1021                                 }
1022                                 else
1023                                 {
1024
1025                                         cmd = String.Format("{4} " + debugging + " -o '{2}' -Wall {0} `pkg-config --cflags --libs mono-2` {3} {1}",
1026                                                 temp_c, temp_o, output, zlib, cc);
1027                                 }
1028                                 Execute (cmd);
1029                         }
1030
1031                         if (!quiet)
1032                                 Console.WriteLine ("Done");
1033                 }
1034         }
1035                 } finally {
1036                         if (!keeptemp){
1037                                 if (object_out == null){
1038                                         File.Delete (temp_o);
1039                                 }
1040                                 if (!compile_only){
1041                                         File.Delete (temp_c);
1042                                 }
1043                                 File.Delete (temp_s);
1044                         }
1045                 }
1046         }
1047
1048         static List<string> LoadAssemblies (List<string> sources)
1049         {
1050                 List<string> assemblies = new List<string> ();
1051                 bool error = false;
1052
1053                 foreach (string name in sources){
1054                         try {
1055                                 Assembly a = LoadAssemblyFile (name);
1056
1057                                 if (a == null){
1058                                         error = true;
1059                                         continue;
1060                                 }
1061
1062                                 assemblies.Add (a.CodeBase);
1063                         } catch (Exception) {
1064                                 if (skip_scan) {
1065                                         if (!quiet)
1066                                                 Console.WriteLine ("File will not be scanned: {0}", name);
1067                                         assemblies.Add (new Uri (new FileInfo (name).FullName).ToString ());
1068                                 } else {
1069                                         throw;
1070                                 }
1071                         }
1072                 }
1073
1074                 if (error)
1075                         Environment.Exit (1);
1076
1077                 return assemblies;
1078         }
1079
1080         static void LoadLocalizedAssemblies (List<string> assemblies)
1081         {
1082                 var other = i18n.Select (x => "I18N." + x + (x.Length > 0 ? "." : "") + "dll");
1083                 bool error = false;
1084
1085                 foreach (string name in other) {
1086                         try {
1087                                 Assembly a = LoadAssembly (name);
1088
1089                                 if (a == null) {
1090                                         error = true;
1091                                         continue;
1092                                 }
1093
1094                                 assemblies.Add (a.CodeBase);
1095                         } catch (Exception) {
1096                                 if (skip_scan) {
1097                                         if (!quiet)
1098                                                 Console.WriteLine ("File will not be scanned: {0}", name);
1099                                         assemblies.Add (new Uri (new FileInfo (name).FullName).ToString ());
1100                                 } else {
1101                                         throw;
1102                                 }
1103                         }
1104                 }
1105
1106                 if (error)
1107                         Environment.Exit (1);
1108         }
1109
1110
1111         static readonly Universe universe = new Universe ();
1112         static readonly Dictionary<string, string> loaded_assemblies = new Dictionary<string, string> ();
1113
1114         public static string GetAssemblyName (string path)
1115         {
1116                 string name = Path.GetFileName (path);
1117
1118                 // A bit of a hack to support satellite assemblies. They all share the same name but
1119                 // are placed in subdirectories named after the locale they implement. Also, all of
1120                 // them end in .resources.dll, therefore we can use that to detect the circumstances.
1121                 if (name.EndsWith (".resources.dll", StringComparison.OrdinalIgnoreCase)) {
1122                         string dir = Path.GetDirectoryName (path);
1123                         int idx = dir.LastIndexOf (Path.DirectorySeparatorChar);
1124                         if (idx >= 0) {
1125                                 name = dir.Substring (idx + 1) + Path.DirectorySeparatorChar + name;
1126                                 Console.WriteLine ($"Storing satellite assembly '{path}' with name '{name}'");
1127                         } else if (!quiet)
1128                                 Console.WriteLine ($"Warning: satellite assembly {path} doesn't have locale path prefix, name conflicts possible");
1129                 }
1130
1131                 return name;
1132         }
1133
1134         static bool QueueAssembly (List<string> files, string codebase)
1135         {
1136                 //Console.WriteLine ("CODE BASE IS {0}", codebase);
1137                 if (files.Contains (codebase))
1138                         return true;
1139
1140                 var path = new Uri(codebase).LocalPath;
1141                 var name = GetAssemblyName (path);
1142                 string found;
1143                 if (loaded_assemblies.TryGetValue (name, out found)) {
1144                         Error ("Duplicate assembly name `{0}'. Both `{1}' and `{2}' use same assembly name.", name, path, found);
1145                         return false;
1146                 }
1147
1148                 loaded_assemblies.Add (name, path);
1149
1150                 files.Add (codebase);
1151                 if (!autodeps)
1152                         return true;
1153                 try {
1154                         Assembly a = universe.LoadFile (path);
1155
1156                         foreach (AssemblyName an in a.GetReferencedAssemblies ()) {
1157                                 LoadAssembly (an.FullName);
1158                                 if (!QueueAssembly (files, a.CodeBase))
1159                                         return false;
1160                         }
1161                 } catch (Exception) {
1162                         if (!skip_scan)
1163                                 throw;
1164                 }
1165
1166                 return true;
1167         }
1168
1169         //
1170         // Loads an assembly from a specific path
1171         //
1172         static Assembly LoadAssemblyFile (string assembly)
1173         {
1174                 Assembly a = null;
1175
1176                 try {
1177                         a = universe.LoadFile (assembly);
1178                 } catch (FileNotFoundException){
1179                         Error ($"Cannot find assembly `{assembly}'");
1180                 } catch (IKVM.Reflection.BadImageFormatException f) {
1181                         if (skip_scan)
1182                                 throw;
1183                         Error ($"Cannot load assembly (bad file format) " + f.Message);
1184                 } catch (FileLoadException f){
1185                         Error ($"Cannot load assembly " + f.Message);
1186                 } catch (ArgumentNullException){
1187                         Error( $"Cannot load assembly (null argument)");
1188                 }
1189                 return a;
1190         }
1191
1192         //
1193         // Loads an assembly from any of the link directories provided
1194         //
1195         static Assembly LoadAssembly (string assembly)
1196         {
1197                 string total_log = "";
1198                 foreach (string dir in link_paths){
1199                         string full_path = Path.Combine (dir, assembly);
1200                         if (!assembly.EndsWith (".dll") && !assembly.EndsWith (".exe"))
1201                                 full_path += ".dll";
1202
1203                         try {
1204                                 var a = universe.LoadFile (full_path);
1205                                 return a;
1206                         } catch (FileNotFoundException ff) {
1207                                 total_log += ff.FusionLog;
1208                                 continue;
1209                         }
1210                 }
1211                 if (!quiet)
1212                         Console.WriteLine ("Log: \n" + total_log);
1213                 return null;
1214         }
1215
1216         static void Error (string msg, params object [] args)
1217         {
1218                 Console.Error.WriteLine ("ERROR: {0}", string.Format (msg, args));
1219                 throw new Exception ();
1220                 Environment.Exit (1);
1221         }
1222
1223         static void Help ()
1224         {
1225                 Console.WriteLine ("Usage is: mkbundle [options] assembly1 [assembly2...]\n\n" +
1226                                    "Options:\n" +
1227                                    "    --config F           Bundle system config file `F'\n" +
1228                                    "    --config-dir D       Set MONO_CFG_DIR to `D'\n" +
1229                                    "    --deps               Turns on automatic dependency embedding (default on simple)\n" +
1230                                    "    -L path              Adds `path' to the search path for assemblies\n" +
1231                                    "    --machine-config F   Use the given file as the machine.config for the application.\n" +
1232                                    "    -o out               Specifies output filename\n" +
1233                                    "    --nodeps             Turns off automatic dependency embedding (default on custom)\n" +
1234                                    "    --skip-scan          Skip scanning assemblies that could not be loaded (but still embed them).\n" +
1235                                    "    --i18n ENCODING      none, all or comma separated list of CJK, MidWest, Other, Rare, West.\n" +
1236                                    "    -v                   Verbose output\n" +
1237                                    "\n" +
1238                                    "--simple   Simple mode does not require a C toolchain and can cross compile\n" +
1239                                    "    --cross TARGET       Generates a binary for the given TARGET\n"+
1240                                    "    --env KEY=VALUE      Hardcodes an environment variable for the target\n" +
1241                                    "    --fetch-target NAME  Downloads the target SDK from the remote server\n" +
1242                                    "    --library [LIB,]PATH Bundles the specified dynamic library to be used at runtime\n" +
1243                                    "                         LIB is optional shortname for file located at PATH\n" +
1244                                    "    --list-targets       Lists available targets on the remote server\n" +
1245                                    "    --local-targets      Lists locally available targets\n" +
1246                                    "    --options OPTIONS    Embed the specified Mono command line options on target\n" +
1247                                    "    --runtime RUNTIME    Manually specifies the Mono runtime to use\n" +
1248                                    "    --sdk PATH           Use a Mono SDK root location instead of a target\n" +
1249                                    "    --target-server URL  Specified a server to download targets from, default is " + target_server + "\n" +
1250                                    "\n" +
1251                                    "--custom   Builds a custom launcher, options for --custom\n" +
1252                                    "    -c                   Produce stub only, do not compile\n" +
1253                                    "    -oo obj              Specifies output filename for helper object file\n" +
1254                                    "    --dos2unix[=true|false]\n" +
1255                                    "                         When no value provided, or when `true` specified\n" +
1256                                    "                         `dos2unix` will be invoked to convert paths on Windows.\n" +
1257                                    "                         When `--dos2unix=false` used, dos2unix is NEVER used.\n" +
1258                                    "    --keeptemp           Keeps the temporary files\n" +
1259                                    "    --static             Statically link to mono libs\n" +
1260                                    "    --nomain             Don't include a main() function, for libraries\n" +
1261                                    "    --custom-main C      Link the specified compilation unit (.c or .obj) with entry point/init code\n" +
1262                                    "    -z                   Compress the assemblies before embedding.\n" +
1263                                    "    --static-ctor ctor   Add a constructor call to the supplied function.\n" +
1264                                    "                         You need zlib development headers and libraries.\n");
1265         }
1266
1267         [DllImport ("libc")]
1268         static extern int system (string s);
1269         [DllImport ("libc")]
1270         static extern int uname (IntPtr buf);
1271
1272         static void DetectOS ()
1273         {
1274                 if (!IsUnix) {
1275                         os_message = "OS is: Windows";
1276                         style = "windows";
1277                         return;
1278                 }
1279
1280                 IntPtr buf = Marshal.AllocHGlobal (8192);
1281                 if (uname (buf) != 0){
1282                         os_message = "Warning: Unable to detect OS";
1283                         Marshal.FreeHGlobal (buf);
1284                         return;
1285                 }
1286                 string os = Marshal.PtrToStringAnsi (buf);
1287                 os_message = "OS is: " + os;
1288                 if (os == "Darwin")
1289                         style = "osx";
1290
1291                 Marshal.FreeHGlobal (buf);
1292         }
1293
1294         static bool IsUnix {
1295                 get {
1296                         int p = (int) Environment.OSVersion.Platform;
1297                         return ((p == 4) || (p == 128) || (p == 6));
1298                 }
1299         }
1300
1301         static void Execute (string cmdLine)
1302         {
1303                 if (IsUnix) {
1304                         if (!quiet)
1305                                 Console.WriteLine ("[execute cmd]: " + cmdLine);
1306                         int ret = system (cmdLine);
1307                         if (ret != 0)
1308                         {
1309                                 Error(String.Format("[Fail] {0}", ret));
1310                         }
1311                         return;
1312                 }
1313
1314                 // on Windows, we have to pipe the output of a
1315                 // `cmd` interpolation to dos2unix, because the shell does not
1316                 // strip the CRLFs generated by the native pkg-config distributed
1317                 // with Mono.
1318                 //
1319                 // But if it's *not* on cygwin, just skip it.
1320
1321                 // check if dos2unix is applicable.
1322                 if (use_dos2unix == true)
1323                         try {
1324                         var info = new ProcessStartInfo ("dos2unix");
1325                         info.CreateNoWindow = true;
1326                         info.RedirectStandardInput = true;
1327                         info.UseShellExecute = false;
1328                         var dos2unix = Process.Start (info);
1329                         dos2unix.StandardInput.WriteLine ("aaa");
1330                         dos2unix.StandardInput.WriteLine ("\u0004");
1331                         dos2unix.StandardInput.Close ();
1332                         dos2unix.WaitForExit ();
1333                         if (dos2unix.ExitCode == 0)
1334                                 use_dos2unix = true;
1335                 } catch {
1336                         Console.WriteLine("Warning: dos2unix not found");
1337                         use_dos2unix = false;
1338                 }
1339
1340                 if (use_dos2unix == null)
1341                         use_dos2unix = false;
1342
1343                 ProcessStartInfo psi = new ProcessStartInfo();
1344                 psi.UseShellExecute = false;
1345
1346                 // if there is no dos2unix, just run cmd /c.
1347                 if (use_dos2unix == false)
1348                 {
1349                         psi.FileName = "cmd";
1350                         psi.Arguments = String.Format("/c \"{0}\"", cmdLine);
1351                 }
1352                 else
1353                 {
1354                         psi.FileName = "sh";
1355                         StringBuilder b = new StringBuilder();
1356                         int count = 0;
1357                         for (int i = 0; i < cmdLine.Length; i++)
1358                         {
1359                                 if (cmdLine[i] == '`')
1360                                 {
1361                                         if (count % 2 != 0)
1362                                         {
1363                                                 b.Append("|dos2unix");
1364                                         }
1365                                         count++;
1366                                 }
1367                                 b.Append(cmdLine[i]);
1368                         }
1369                         cmdLine = b.ToString();
1370                         psi.Arguments = String.Format("-c \"{0}\"", cmdLine);
1371                 }
1372
1373                 if (!quiet)
1374                         Console.WriteLine(cmdLine);
1375                 using (Process p = Process.Start (psi)) {
1376                         p.WaitForExit ();
1377                         int ret = p.ExitCode;
1378                         if (ret != 0){
1379                                 Error ("[Fail] {0}", ret);
1380                         }
1381                 }
1382         }
1383
1384         static string GetEnv(string name, string defaultValue)
1385         {
1386                 string val = Environment.GetEnvironmentVariable(name);
1387                 if (val != null)
1388                 {
1389                         if (!quiet)
1390                                 Console.WriteLine("{0} = {1}", name, val);
1391                 }
1392                 else
1393                 {
1394                         val = defaultValue;
1395                         if (!quiet)
1396                                 Console.WriteLine("{0} = {1} (default)", name, val);
1397                 }
1398                 return val;
1399         }
1400
1401         static string LocateFile(string default_path)
1402         {
1403                 var override_path = Path.Combine(Directory.GetCurrentDirectory(), Path.GetFileName(default_path));
1404                 if (File.Exists(override_path))
1405                         return override_path;
1406                 else if (File.Exists(default_path))
1407                         return default_path;
1408                 else
1409                         throw new FileNotFoundException(default_path);
1410         }
1411 }