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 // Author:
   7 //   Miguel de Icaza
   8 //
   9 // (C) Novell, Inc 2004
  10 //
  11 using System;
  12 using System.Diagnostics;
  13 using System.Xml;
  14 using System.Collections.Generic;
  15 using System.IO;
  16 using System.IO.Compression;
  17 using System.Runtime.InteropServices;
  18 using System.Text;
  19 using IKVM.Reflection;
  20
  21
  22 using System.Threading.Tasks;
  23
  24 class MakeBundle {
  25         static string output = "a.out";
  26         static string object_out = null;
  27         static List<string> link_paths = new List<string> ();
  28         static bool autodeps = false;
  29         static bool keeptemp = false;
  30         static bool compile_only = false;
  31         static bool static_link = false;
  32         static string config_file = null;
  33         static string machine_config_file = null;
  34         static string config_dir = null;
  35         static string style = "linux";
  36         static string os_message = "";
  37         static bool compress;
  38         static bool nomain;
  39         static bool? use_dos2unix = null;
  40         static bool skip_scan;
  41         static string ctor_func;
  42         static bool quiet;
  43
  44         static int Main (string [] args)
  45         {
  46                 List<string> sources = new List<string> ();
  47                 int top = args.Length;
  48                 link_paths.Add (".");
  49
  50                 DetectOS ();
  51
  52                 for (int i = 0; i < top; i++){
  53                         switch (args [i]){
  54                         case "--help": case "-h": case "-?":
  55                                 Help ();
  56                                 return 1;
  57
  58                         case "-c":
  59                                 compile_only = true;
  60                                 break;
  61
  62                         case "-o":
  63                                 if (i+1 == top){
  64                                         Help ();
  65                                         return 1;
  66                                 }
  67                                 output = args [++i];
  68                                 break;
  69
  70                         case "-oo":
  71                                 if (i+1 == top){
  72                                         Help ();
  73                                         return 1;
  74                                 }
  75                                 object_out = args [++i];
  76                                 break;
  77
  78                         case "-L":
  79                                 if (i+1 == top){
  80                                         Help ();
  81                                         return 1;
  82                                 }
  83                                 link_paths.Add (args [++i]);
  84                                 break;
  85
  86                         case "--nodeps":
  87                                 autodeps = false;
  88                                 break;
  89
  90                         case "--deps":
  91                                 autodeps = true;
  92                                 break;
  93
  94                         case "--keeptemp":
  95                                 keeptemp = true;
  96                                 break;
  97                         case "--static":
  98                                 static_link = true;
  99                                 if (!quiet) {
 100                                         Console.WriteLine ("Note that statically linking the LGPL Mono runtime has more licensing restrictions than dynamically linking.");
 101                                         Console.WriteLine ("See http://www.mono-project.com/Licensing for details on licensing.");
 102                                 }
 103                                 break;
 104                         case "--config":
 105                                 if (i+1 == top) {
 106                                         Help ();
 107                                         return 1;
 108                                 }
 109
 110                                 config_file = args [++i];
 111                                 break;
 112                         case "--machine-config":
 113                                 if (i+1 == top) {
 114                                         Help ();
 115                                         return 1;
 116                                 }
 117
 118                                 machine_config_file = args [++i];
 119
 120                                 if (!quiet)
 121                                         Console.WriteLine ("WARNING:\n  Check that the machine.config file you are bundling\n  doesn't contain sensitive information specific to this machine.");
 122                                 break;
 123                         case "--config-dir":
 124                                 if (i+1 == top) {
 125                                         Help ();
 126                                         return 1;
 127                                 }
 128
 129                                 config_dir = args [++i];
 130                                 break;
 131                         case "-z":
 132                                 compress = true;
 133                                 break;
 134                         case "--nomain":
 135                                 nomain = true;
 136                                 break;
 137                         case "--style":
 138                                 if (i+1 == top) {
 139                                         Help ();
 140                                         return 1;
 141                                 }
 142                                 style = args [++i];
 143                                 switch (style) {
 144                                 case "windows":
 145                                 case "mac":
 146                                 case "linux":
 147                                         break;
 148                                 default:
 149                                         Console.Error.WriteLine ("Invalid style '{0}' - only 'windows', 'mac' and 'linux' are supported for --style argument", style);
 150                                         return 1;
 151                                 }
 152
 153                                 break;
 154                         case "--skip-scan":
 155                                 skip_scan = true;
 156                                 break;
 157                         case "--static-ctor":
 158                                 if (i+1 == top) {
 159                                         Help ();
 160                                         return 1;
 161                                 }
 162                                 ctor_func = args [++i];
 163                                 break;
 164                         case "--dos2unix":
 165                         case "--dos2unix=true":
 166                                 use_dos2unix = true;
 167                                 break;
 168                         case "--dos2unix=false":
 169                                 use_dos2unix = false;
 170                                 break;
 171                         case "-q":
 172                         case "--quiet":
 173                                 quiet = true;
 174                                 break;
 175                         default:
 176                                 sources.Add (args [i]);
 177                                 break;
 178                         }
 179
 180                 }
 181
 182                 if (!quiet) {
 183                         Console.WriteLine (os_message);
 184                         Console.WriteLine ("Sources: {0} Auto-dependencies: {1}", sources.Count, autodeps);
 185                 }
 186                 if (sources.Count == 0 || output == null) {
 187                         Help ();
 188                         Environment.Exit (1);
 189                 }
 190
 191                 List<string> assemblies = LoadAssemblies (sources);
 192                 List<string> files = new List<string> ();
 193                 foreach (string file in assemblies)
 194                         if (!QueueAssembly (files, file))
 195                                 return 1;
 196
 197                 GenerateBundles (files);
 198                 //GenerateJitWrapper ();
 199
 200                 return 0;
 201         }
 202
 203         static void WriteSymbol (StreamWriter sw, string name, long size)
 204         {
 205                 switch (style){
 206                 case "linux":
 207                         sw.WriteLine (
 208                                 ".globl {0}\n" +
 209                                 "\t.section .rodata\n" +
 210                                 "\t.p2align 5\n" +
 211                                 "\t.type {0}, \"object\"\n" +
 212                                 "\t.size {0}, {1}\n" +
 213                                 "{0}:\n",
 214                                 name, size);
 215                         break;
 216                 case "osx":
 217                         sw.WriteLine (
 218                                 "\t.section __TEXT,__text,regular,pure_instructions\n" +
 219                                 "\t.globl _{0}\n" +
 220                                 "\t.data\n" +
 221                                 "\t.align 4\n" +
 222                                 "_{0}:\n",
 223                                 name, size);
 224                         break;
 225                 case "windows":
 226                         sw.WriteLine (
 227                                 ".globl _{0}\n" +
 228                                 "\t.section .rdata,\"dr\"\n" +
 229                                 "\t.align 32\n" +
 230                                 "_{0}:\n",
 231                                 name, size);
 232                         break;
 233                 }
 234         }
 235
 236         static string [] chars = new string [256];
 237
 238         static void WriteBuffer (StreamWriter ts, Stream stream, byte[] buffer)
 239         {
 240                 int n;
 241
 242                 // Preallocate the strings we need.
 243                 if (chars [0] == null) {
 244                         for (int i = 0; i < chars.Length; i++)
 245                                 chars [i] = string.Format ("{0}", i.ToString ());
 246                 }
 247
 248                 while ((n = stream.Read (buffer, 0, buffer.Length)) != 0) {
 249                         int count = 0;
 250                         for (int i = 0; i < n; i++) {
 251                                 if (count % 32 == 0) {
 252                                         ts.Write ("\n\t.byte ");
 253                                 } else {
 254                                         ts.Write (",");
 255                                 }
 256                                 ts.Write (chars [buffer [i]]);
 257                                 count ++;
 258                         }
 259                 }
 260
 261                 ts.WriteLine ();
 262         }
 263
 264         static void GenerateBundles (List<string> files)
 265         {
 266                 string temp_s = "temp.s"; // Path.GetTempFileName ();
 267                 string temp_c = "temp.c";
 268                 string temp_o = "temp.o";
 269
 270                 if (compile_only)
 271                         temp_c = output;
 272                 if (object_out != null)
 273                         temp_o = object_out;
 274
 275                 try {
 276                         List<string> c_bundle_names = new List<string> ();
 277                         List<string[]> config_names = new List<string[]> ();
 278
 279                         using (StreamWriter ts = new StreamWriter (File.Create (temp_s))) {
 280                         using (StreamWriter tc = new StreamWriter (File.Create (temp_c))) {
 281                         string prog = null;
 282
 283 #if XAMARIN_ANDROID
 284                         tc.WriteLine ("/* This source code was produced by mkbundle, do not edit */");
 285                         tc.WriteLine ("\n#ifndef NULL\n#define NULL (void *)0\n#endif");
 286                         tc.WriteLine (@"
 287 typedef struct {
 288         const char *name;
 289         const unsigned char *data;
 290         const unsigned int size;
 291 } MonoBundledAssembly;
 292 void          mono_register_bundled_assemblies (const MonoBundledAssembly **assemblies);
 293 void          mono_register_config_for_assembly (const char* assembly_name, const char* config_xml);
 294 ");
 295 #else
 296                         tc.WriteLine ("#include <mono/metadata/mono-config.h>");
 297                         tc.WriteLine ("#include <mono/metadata/assembly.h>\n");
 298 #endif
 299
 300                         if (compress) {
 301                                 tc.WriteLine ("typedef struct _compressed_data {");
 302                                 tc.WriteLine ("\tMonoBundledAssembly assembly;");
 303                                 tc.WriteLine ("\tint compressed_size;");
 304                                 tc.WriteLine ("} CompressedAssembly;\n");
 305                         }
 306
 307                         object monitor = new object ();
 308
 309                         var streams = new Dictionary<string, Stream> ();
 310                         var sizes = new Dictionary<string, long> ();
 311
 312                         // Do the file reading and compression in parallel
 313                         Action<string> body = delegate (string url) {
 314                                 string fname = LocateFile (new Uri (url).LocalPath);
 315                                 Stream stream = File.OpenRead (fname);
 316
 317                                 long real_size = stream.Length;
 318                                 int n;
 319                                 if (compress) {
 320                                         byte[] cbuffer = new byte [8192];
 321                                         MemoryStream ms = new MemoryStream ();
 322                                         GZipStream deflate = new GZipStream (ms, CompressionMode.Compress, leaveOpen:true);
 323                                         while ((n = stream.Read (cbuffer, 0, cbuffer.Length)) != 0){
 324                                                 deflate.Write (cbuffer, 0, n);
 325                                         }
 326                                         stream.Close ();
 327                                         deflate.Close ();
 328                                         byte [] bytes = ms.GetBuffer ();
 329                                         stream = new MemoryStream (bytes, 0, (int) ms.Length, false, false);
 330                                 }
 331
 332                                 lock (monitor) {
 333                                         streams [url] = stream;
 334                                         sizes [url] = real_size;
 335                                 }
 336                         };
 337
 338                         //#if NET_4_5
 339 #if FALSE
 340                         Parallel.ForEach (files, body);
 341 #else
 342                         foreach (var url in files)
 343                                 body (url);
 344 #endif
 345
 346                         // The non-parallel part
 347                         byte [] buffer = new byte [8192];
 348                         foreach (var url in files) {
 349                                 string fname = LocateFile (new Uri (url).LocalPath);
 350                                 string aname = Path.GetFileName (fname);
 351                                 string encoded = aname.Replace ("-", "_").Replace (".", "_");
 352
 353                                 if (prog == null)
 354                                         prog = aname;
 355
 356                                 var stream = streams [url];
 357                                 var real_size = sizes [url];
 358
 359                                 if (!quiet)
 360                                         Console.WriteLine ("   embedding: " + fname);
 361
 362                                 WriteSymbol (ts, "assembly_data_" + encoded, stream.Length);
 363
 364                                 WriteBuffer (ts, stream, buffer);
 365
 366                                 if (compress) {
 367                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 368                                         tc.WriteLine ("static CompressedAssembly assembly_bundle_{0} = {{{{\"{1}\"," +
 369                                                                   " assembly_data_{0}, {2}}}, {3}}};",
 370                                                                   encoded, aname, real_size, stream.Length);
 371                                         if (!quiet) {
 372                                                 double ratio = ((double) stream.Length * 100) / real_size;
 373                                                 Console.WriteLine ("   compression ratio: {0:.00}%", ratio);
 374                                         }
 375                                 } else {
 376                                         tc.WriteLine ("extern const unsigned char assembly_data_{0} [];", encoded);
 377                                         tc.WriteLine ("static const MonoBundledAssembly assembly_bundle_{0} = {{\"{1}\", assembly_data_{0}, {2}}};",
 378                                                                   encoded, aname, real_size);
 379                                 }
 380                                 stream.Close ();
 381
 382                                 c_bundle_names.Add ("assembly_bundle_" + encoded);
 383
 384                                 try {
 385                                         FileStream cf = File.OpenRead (fname + ".config");
 386                                         if (!quiet)
 387                                                 Console.WriteLine (" config from: " + fname + ".config");
 388                                         tc.WriteLine ("extern const unsigned char assembly_config_{0} [];", encoded);
 389                                         WriteSymbol (ts, "assembly_config_" + encoded, cf.Length);
 390                                         WriteBuffer (ts, cf, buffer);
 391                                         ts.WriteLine ();
 392                                         config_names.Add (new string[] {aname, encoded});
 393                                 } catch (FileNotFoundException) {
 394                                         /* we ignore if the config file doesn't exist */
 395                                 }
 396                         }
 397
 398                         if (config_file != null){
 399                                 FileStream conf;
 400                                 try {
 401                                         conf = File.OpenRead (config_file);
 402                                 } catch {
 403                                         Error (String.Format ("Failure to open {0}", config_file));
 404                                         return;
 405                                 }
 406                                 if (!quiet)
 407                                         Console.WriteLine ("System config from: " + config_file);
 408                                 tc.WriteLine ("extern const char system_config;");
 409                                 WriteSymbol (ts, "system_config", config_file.Length);
 410
 411                                 WriteBuffer (ts, conf, buffer);
 412                                 // null terminator
 413                                 ts.Write ("\t.byte 0\n");
 414                                 ts.WriteLine ();
 415                         }
 416
 417                         if (machine_config_file != null){
 418                                 FileStream conf;
 419                                 try {
 420                                         conf = File.OpenRead (machine_config_file);
 421                                 } catch {
 422                                         Error (String.Format ("Failure to open {0}", machine_config_file));
 423                                         return;
 424                                 }
 425                                 if (!quiet)
 426                                         Console.WriteLine ("Machine config from: " + machine_config_file);
 427                                 tc.WriteLine ("extern const char machine_config;");
 428                                 WriteSymbol (ts, "machine_config", machine_config_file.Length);
 429
 430                                 WriteBuffer (ts, conf, buffer);
 431                                 ts.Write ("\t.byte 0\n");
 432                                 ts.WriteLine ();
 433                         }
 434                         ts.Close ();
 435
 436                         if (compress)
 437                                 tc.WriteLine ("\nstatic const CompressedAssembly *compressed [] = {");
 438                         else
 439                                 tc.WriteLine ("\nstatic const MonoBundledAssembly *bundled [] = {");
 440
 441                         foreach (string c in c_bundle_names){
 442                                 tc.WriteLine ("\t&{0},", c);
 443                         }
 444                         tc.WriteLine ("\tNULL\n};\n");
 445                         tc.WriteLine ("static char *image_name = \"{0}\";", prog);
 446
 447                         if (ctor_func != null) {
 448                                 tc.WriteLine ("\nextern void {0} (void);", ctor_func);
 449                                 tc.WriteLine ("\n__attribute__ ((constructor)) static void mono_mkbundle_ctor (void)");
 450                                 tc.WriteLine ("{{\n\t{0} ();\n}}", ctor_func);
 451                         }
 452
 453                         tc.WriteLine ("\nstatic void install_dll_config_files (void) {\n");
 454                         foreach (string[] ass in config_names){
 455                                 tc.WriteLine ("\tmono_register_config_for_assembly (\"{0}\", assembly_config_{1});\n", ass [0], ass [1]);
 456                         }
 457                         if (config_file != null)
 458                                 tc.WriteLine ("\tmono_config_parse_memory (&system_config);\n");
 459                         if (machine_config_file != null)
 460                                 tc.WriteLine ("\tmono_register_machine_config (&machine_config);\n");
 461                         tc.WriteLine ("}\n");
 462
 463                         if (config_dir != null)
 464                                 tc.WriteLine ("static const char *config_dir = \"{0}\";", config_dir);
 465                         else
 466                                 tc.WriteLine ("static const char *config_dir = NULL;");
 467
 468                         Stream template_stream;
 469                         if (compress) {
 470                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_z.c");
 471                         } else {
 472                                 template_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template.c");
 473                         }
 474
 475                         StreamReader s = new StreamReader (template_stream);
 476                         string template = s.ReadToEnd ();
 477                         tc.Write (template);
 478
 479                         if (!nomain) {
 480                                 Stream template_main_stream = System.Reflection.Assembly.GetAssembly (typeof(MakeBundle)).GetManifestResourceStream ("template_main.c");
 481                                 StreamReader st = new StreamReader (template_main_stream);
 482                                 string maintemplate = st.ReadToEnd ();
 483                                 tc.Write (maintemplate);
 484                         }
 485
 486                         tc.Close ();
 487
 488                         string assembler = GetEnv("AS", "as");
 489                         string as_cmd = String.Format("{0} -o {1} {2} ", assembler, temp_o, temp_s);
 490                         Execute(as_cmd);
 491
 492                         if (compile_only)
 493                                 return;
 494
 495                         if (!quiet)
 496                                 Console.WriteLine("Compiling:");
 497
 498                         if (style == "windows")
 499                         {
 500
 501                                 Func<string, string> quote = (pp) => { return "\"" + pp + "\""; };
 502
 503                                 string compiler = GetEnv("CC", "cl.exe");
 504                                 string winsdkPath = GetEnv("WINSDK", @"C:\Program Files (x86)\Windows Kits\8.1");
 505                                 string vsPath = GetEnv("VSINCLUDE", @"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC");
 506                                 string monoPath = GetEnv("MONOPREFIX", @"C:\Program Files (x86)\Mono");
 507
 508                                 string[] includes = new string[] {winsdkPath + @"\Include\um", winsdkPath + @"\Include\shared", vsPath + @"\include", monoPath + @"\include\mono-2.0"};
 509                                 string[] libs = new string[] { winsdkPath + @"\Lib\winv6.3\um\x86" , vsPath + @"\lib" };
 510                                 string monoFile;
 511
 512                                 var compilerArgs = new List<string>();
 513                                 foreach (string include in includes)
 514                                         compilerArgs.Add(String.Format ("/I {0}", quote (include)));
 515
 516                                 if (static_link)
 517                                         monoFile = LocateFile (monoPath + @"\lib\monosgen-2.0.lib");
 518                                 else
 519                                         monoFile = LocateFile (monoPath + @"\lib\monosgen-2.0.dll");
 520
 521                                 compilerArgs.Add("/MD");
 522                                 compilerArgs.Add(temp_c);
 523                                 compilerArgs.Add(temp_o);
 524                                 compilerArgs.Add("/link");
 525
 526                                 if (nomain)
 527                                         compilerArgs.Add("/NOENTRY");
 528                                         compilerArgs.Add("/DLL");
 529
 530                                 foreach (string lib in libs)
 531                                         compilerArgs.Add(String.Format ("/LIBPATH:{0}", quote(lib)));
 532                                 compilerArgs.Add (quote(monoFile));
 533
 534                                 string cl_cmd = String.Format("{0} {1}", compiler, String.Join(" ", compilerArgs.ToArray()));
 535                                 Execute (cl_cmd);
 536                         }
 537                         else
 538                         {
 539                                 string zlib = (compress ? "-lz" : "");
 540                                 string debugging = "-g";
 541                                 string cc = GetEnv("CC", "cc");
 542                                 string cmd = null;
 543
 544                                 if (style == "linux")
 545                                         debugging = "-ggdb";
 546                                 if (static_link)
 547                                 {
 548                                         string smonolib;
 549                                         if (style == "osx")
 550                                                 smonolib = "`pkg-config --variable=libdir mono-2`/libmono-2.0.a ";
 551                                         else
 552                                                 smonolib = "-Wl,-Bstatic -lmono-2.0 -Wl,-Bdynamic ";
 553                                         cmd = String.Format("{4} -o {2} -Wall `pkg-config --cflags mono-2` {0} {3} " +
 554                                                 "`pkg-config --libs-only-L mono-2` " + smonolib +
 555                                                 "`pkg-config --libs-only-l mono-2 | sed -e \"s/\\-lmono-2.0 //\"` {1}",
 556                                                 temp_c, temp_o, output, zlib, cc);
 557                                 }
 558                                 else
 559                                 {
 560
 561                                         cmd = String.Format("{4} " + debugging + " -o {2} -Wall {0} `pkg-config --cflags --libs mono-2` {3} {1}",
 562                                                 temp_c, temp_o, output, zlib, cc);
 563                                 }
 564                                 Execute (cmd);
 565                         }
 566
 567                         if (!quiet)
 568                                 Console.WriteLine ("Done");
 569                 }
 570         }
 571                 } finally {
 572                         if (!keeptemp){
 573                                 if (object_out == null){
 574                                         File.Delete (temp_o);
 575                                 }
 576                                 if (!compile_only){
 577                                         File.Delete (temp_c);
 578                                 }
 579                                 File.Delete (temp_s);
 580                         }
 581                 }
 582         }
 583
 584         static List<string> LoadAssemblies (List<string> sources)
 585         {
 586                 List<string> assemblies = new List<string> ();
 587                 bool error = false;
 588
 589                 foreach (string name in sources){
 590                         try {
 591                                 Assembly a = LoadAssembly (name);
 592
 593                                 if (a == null){
 594                                         error = true;
 595                                         continue;
 596                                 }
 597
 598                                 assemblies.Add (a.CodeBase);
 599                         } catch (Exception) {
 600                                 if (skip_scan) {
 601                                         if (!quiet)
 602                                                 Console.WriteLine ("File will not be scanned: {0}", name);
 603                                         assemblies.Add (new Uri (new FileInfo (name).FullName).ToString ());
 604                                 } else {
 605                                         throw;
 606                                 }
 607                         }
 608                 }
 609
 610                 if (error)
 611                         Environment.Exit (1);
 612
 613                 return assemblies;
 614         }
 615
 616         static readonly Universe universe = new Universe ();
 617         static readonly Dictionary<string, string> loaded_assemblies = new Dictionary<string, string> ();
 618
 619         static bool QueueAssembly (List<string> files, string codebase)
 620         {
 621                 // Console.WriteLine ("CODE BASE IS {0}", codebase);
 622                 if (files.Contains (codebase))
 623                         return true;
 624
 625                 var path = new Uri(codebase).LocalPath;
 626                 var name = Path.GetFileName (path);
 627                 string found;
 628                 if (loaded_assemblies.TryGetValue (name, out found)) {
 629                         Error (string.Format ("Duplicate assembly name `{0}'. Both `{1}' and `{2}' use same assembly name.", name, path, found));
 630                         return false;
 631                 }
 632
 633                 loaded_assemblies.Add (name, path);
 634
 635                 files.Add (codebase);
 636                 if (!autodeps)
 637                         return true;
 638                 try {
 639                         Assembly a = universe.LoadFile (path);
 640
 641                         foreach (AssemblyName an in a.GetReferencedAssemblies ()) {
 642                                 a = universe.Load (an.FullName);
 643                                 if (!QueueAssembly (files, a.CodeBase))
 644                                         return false;
 645                         }
 646                 } catch (Exception) {
 647                         if (!skip_scan)
 648                                 throw;
 649                 }
 650
 651                 return true;
 652         }
 653
 654         static Assembly LoadAssembly (string assembly)
 655         {
 656                 Assembly a;
 657
 658                 try {
 659                         char[] path_chars = { '/', '\\' };
 660
 661                         if (assembly.IndexOfAny (path_chars) != -1) {
 662                                 a = universe.LoadFile (assembly);
 663                         } else {
 664                                 string ass = assembly;
 665                                 if (ass.EndsWith (".dll"))
 666                                         ass = assembly.Substring (0, assembly.Length - 4);
 667                                 a = universe.Load (ass);
 668                         }
 669                         return a;
 670                 } catch (FileNotFoundException){
 671                         string total_log = "";
 672
 673                         foreach (string dir in link_paths){
 674                                 string full_path = Path.Combine (dir, assembly);
 675                                 if (!assembly.EndsWith (".dll") && !assembly.EndsWith (".exe"))
 676                                         full_path += ".dll";
 677
 678                                 try {
 679                                         a = universe.LoadFile (full_path);
 680                                         return a;
 681                                 } catch (FileNotFoundException ff) {
 682                                         total_log += ff.FusionLog;
 683                                         continue;
 684                                 }
 685                         }
 686                         Error ("Cannot find assembly `" + assembly + "'" );
 687                         if (!quiet)
 688                                 Console.WriteLine ("Log: \n" + total_log);
 689                 } catch (IKVM.Reflection.BadImageFormatException f) {
 690                         if (skip_scan)
 691                                 throw;
 692                         Error ("Cannot load assembly (bad file format) " + f.Message);
 693                 } catch (FileLoadException f){
 694                         Error ("Cannot load assembly " + f.Message);
 695                 } catch (ArgumentNullException){
 696                         Error("Cannot load assembly (null argument)");
 697                 }
 698                 return null;
 699         }
 700
 701         static void Error (string msg)
 702         {
 703                 Console.Error.WriteLine ("ERROR: " + msg);
 704                 Environment.Exit (1);
 705         }
 706
 707         static void Help ()
 708         {
 709                 Console.WriteLine ("Usage is: mkbundle [options] assembly1 [assembly2...]\n\n" +
 710                                    "Options:\n" +
 711                                    "    -c                  Produce stub only, do not compile\n" +
 712                                    "    -o out              Specifies output filename\n" +
 713                                    "    -oo obj             Specifies output filename for helper object file\n" +
 714                                    "    -L path             Adds `path' to the search path for assemblies\n" +
 715                                    "    --nodeps            Turns off automatic dependency embedding (default)\n" +
 716                                    "    --deps              Turns on automatic dependency embedding\n" +
 717                                    "    --dos2unix[=true|false]\n" +
 718                                    "                        When no value provided, or when `true` specified\n" +
 719                                    "                        `dos2unix` will be invoked to convert paths on Windows.\n" +
 720                                    "                        When `--dos2unix=false` used, dos2unix is NEVER used.\n" +
 721                                    "    --keeptemp          Keeps the temporary files\n" +
 722                                    "    --config F          Bundle system config file `F'\n" +
 723                                    "    --config-dir D      Set MONO_CFG_DIR to `D'\n" +
 724                                    "    --machine-config F  Use the given file as the machine.config for the application.\n" +
 725                                    "    --static            Statically link to mono libs\n" +
 726                                    "    --nomain            Don't include a main() function, for libraries\n" +
 727                                    "    -z                  Compress the assemblies before embedding.\n" +
 728                                    "    --skip-scan         Skip scanning assemblies that could not be loaded (but still embed them).\n" +
 729                                    "    --static-ctor ctor  Add a constructor call to the supplied function.\n" +
 730                                    "                        You need zlib development headers and libraries.\n");
 731         }
 732
 733         [DllImport ("libc")]
 734         static extern int system (string s);
 735         [DllImport ("libc")]
 736         static extern int uname (IntPtr buf);
 737
 738         static void DetectOS ()
 739         {
 740                 if (!IsUnix) {
 741                         os_message = "OS is: Windows";
 742                         style = "windows";
 743                         return;
 744                 }
 745
 746                 IntPtr buf = Marshal.AllocHGlobal (8192);
 747                 if (uname (buf) != 0){
 748                         os_message = "Warning: Unable to detect OS";
 749                         Marshal.FreeHGlobal (buf);
 750                         return;
 751                 }
 752                 string os = Marshal.PtrToStringAnsi (buf);
 753                 os_message = "OS is: " + os;
 754                 if (os == "Darwin")
 755                         style = "osx";
 756
 757                 Marshal.FreeHGlobal (buf);
 758         }
 759
 760         static bool IsUnix {
 761                 get {
 762                         int p = (int) Environment.OSVersion.Platform;
 763                         return ((p == 4) || (p == 128) || (p == 6));
 764                 }
 765         }
 766
 767         static void Execute (string cmdLine)
 768         {
 769                 if (IsUnix) {
 770                         if (!quiet)
 771                                 Console.WriteLine ("[execute cmd]: " + cmdLine);
 772                         int ret = system (cmdLine);
 773                         if (ret != 0)
 774                         {
 775                                 Error(String.Format("[Fail] {0}", ret));
 776                         }
 777                         return;
 778                 }
 779
 780                 // on Windows, we have to pipe the output of a
 781                 // `cmd` interpolation to dos2unix, because the shell does not
 782                 // strip the CRLFs generated by the native pkg-config distributed
 783                 // with Mono.
 784                 //
 785                 // But if it's *not* on cygwin, just skip it.
 786
 787                 // check if dos2unix is applicable.
 788                 if (use_dos2unix == true)
 789                         try {
 790                         var info = new ProcessStartInfo ("dos2unix");
 791                         info.CreateNoWindow = true;
 792                         info.RedirectStandardInput = true;
 793                         info.UseShellExecute = false;
 794                         var dos2unix = Process.Start (info);
 795                         dos2unix.StandardInput.WriteLine ("aaa");
 796                         dos2unix.StandardInput.WriteLine ("\u0004");
 797                         dos2unix.StandardInput.Close ();
 798                         dos2unix.WaitForExit ();
 799                         if (dos2unix.ExitCode == 0)
 800                                 use_dos2unix = true;
 801                 } catch {
 802                         Console.WriteLine("Warning: dos2unix not found");
 803                         use_dos2unix = false;
 804                 }
 805
 806                 if (use_dos2unix == null)
 807                         use_dos2unix = false;
 808
 809                 ProcessStartInfo psi = new ProcessStartInfo();
 810                 psi.UseShellExecute = false;
 811
 812                 // if there is no dos2unix, just run cmd /c.
 813                 if (use_dos2unix == false)
 814                 {
 815                         psi.FileName = "cmd";
 816                         psi.Arguments = String.Format("/c \"{0}\"", cmdLine);
 817                 }
 818                 else
 819                 {
 820                         psi.FileName = "sh";
 821                         StringBuilder b = new StringBuilder();
 822                         int count = 0;
 823                         for (int i = 0; i < cmdLine.Length; i++)
 824                         {
 825                                 if (cmdLine[i] == '`')
 826                                 {
 827                                         if (count % 2 != 0)
 828                                         {
 829                                                 b.Append("|dos2unix");
 830                                         }
 831                                         count++;
 832                                 }
 833                                 b.Append(cmdLine[i]);
 834                         }
 835                         cmdLine = b.ToString();
 836                         psi.Arguments = String.Format("-c \"{0}\"", cmdLine);
 837                 }
 838
 839                 if (!quiet)
 840                         Console.WriteLine(cmdLine);
 841                 using (Process p = Process.Start (psi)) {
 842                         p.WaitForExit ();
 843                         int ret = p.ExitCode;
 844                         if (ret != 0){
 845                                 Error (String.Format("[Fail] {0}", ret));
 846                         }
 847                 }
 848         }
 849
 850         static string GetEnv(string name, string defaultValue)
 851         {
 852                 string val = Environment.GetEnvironmentVariable(name);
 853                 if (val != null)
 854                 {
 855                         if (!quiet)
 856                                 Console.WriteLine("{0} = {1}", name, val);
 857                 }
 858                 else
 859                 {
 860                         val = defaultValue;
 861                         if (!quiet)
 862                                 Console.WriteLine("{0} = {1} (default)", name, val);
 863                 }
 864                 return val;
 865         }
 866
 867         static string LocateFile(string default_path)
 868         {
 869                 var override_path = Path.Combine(Directory.GetCurrentDirectory(), Path.GetFileName(default_path));
 870                 if (File.Exists(override_path))
 871                         return override_path;
 872                 else if (File.Exists(default_path))
 873                         return default_path;
 874                 else
 875                         throw new FileNotFoundException(default_path);
 876         }
 877 }