summaryrefslogtreecommitdiffstats
path: root/Source/cmMakefileExecutableTargetGenerator.cxx
blob: ccb13e9a39e171b5c3ae7f63029719352157bd8f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "cmMakefileExecutableTargetGenerator.h"

#include "cmGeneratedFileStream.h"
#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
#include "cmake.h"

//----------------------------------------------------------------------------
cmMakefileExecutableTargetGenerator::cmMakefileExecutableTargetGenerator()
{
  this->CustomCommandDriver = OnDepends;
}

//----------------------------------------------------------------------------
void cmMakefileExecutableTargetGenerator::WriteRuleFiles()
{
  // create the build.make file and directory, put in the common blocks
  this->CreateRuleFile();

  // write rules used to help build object files
  this->WriteCommonCodeRules();

  // write in rules for object files and custom commands
  this->WriteTargetBuildRules();

  // write the per-target per-language flags
  this->WriteTargetLanguageFlags();

  // Write the dependency generation rule.
  this->WriteTargetDependRules();

  // write the link rules
  this->WriteExecutableRule(false);
  if(this->Target->NeedRelinkBeforeInstall())
    {
    // Write rules to link an installable version of the target.
    this->WriteExecutableRule(true);
    }

  // Write the requires target.
  this->WriteTargetRequiresRules();

  // Write clean target
  this->WriteTargetCleanRules();

  // close the streams
  this->CloseFileStreams();
}



//----------------------------------------------------------------------------
void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
{
  std::vector<std::string> commands;

  std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
  std::string objTarget;

  // Build list of dependencies.
  std::vector<std::string> depends;
  for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
      obj != this->Objects.end(); ++obj)
    {
    objTarget = relPath;
    // Handle extra content on Mac bundles
    if ( this->ExtraContent.find(*obj) != this->ExtraContent.end() )
      {
      objTarget = "";
      }
    objTarget += *obj;
    depends.push_back(objTarget);
    }

  // Add dependencies on targets that must be built first.
  this->AppendTargetDepends(depends);

  // Add a dependency on the rule file itself.
  this->LocalGenerator->AppendRuleDepend(depends,
                                         this->BuildFileNameFull.c_str());

  for(std::vector<std::string>::const_iterator obj =
        this->ExternalObjects.begin();
      obj != this->ExternalObjects.end(); ++obj)
    {
    depends.push_back(*obj);
    }

  // from here up is the same for exe or lib

  // Get the name of the executable to generate.
  std::string targetName;
  std::string targetNameReal;
  std::string targetNameImport;
  std::string targetNamePDB;
  this->Target->GetExecutableNames
    (targetName, targetNameReal, targetNameImport, targetNamePDB,
     this->LocalGenerator->ConfigurationName.c_str());

  // Construct the full path version of the names.
  std::string outpath = this->Target->GetDirectory();
  outpath += "/";
#ifdef __APPLE__
  if(this->Target->GetPropertyAsBool("MACOSX_BUNDLE"))
    {
    // Compute bundle directory names.
    std::string macdir = outpath;
    macdir += targetName;
    macdir += ".app/Contents/";
    outpath = macdir;
    outpath += "MacOS";
    cmSystemTools::MakeDirectory(outpath.c_str());
    outpath += "/";

    // Make bundle directories
    std::string f1 =
      this->Makefile->GetModulesFile("MacOSXBundleInfo.plist.in");
    if ( f1.size() == 0 )
      {
      cmSystemTools::Error("could not find Mac OSX bundle template file.");
      }

    std::vector<cmSourceFile*>::iterator sourceIt;
    for ( sourceIt = this->Target->GetSourceFiles().begin();
      sourceIt != this->Target->GetSourceFiles().end();
      ++ sourceIt )
      {
      const char* subDir = 
        (*sourceIt)->GetProperty("MACOSX_PACKAGE_LOCATION");
      if ( subDir )
        {
        std::string newDir = macdir;
        newDir += subDir;
        if ( !cmSystemTools::MakeDirectory(newDir.c_str()) )
          {
          cmSystemTools::Error("Cannot create a subdirectory for \"",
            newDir.c_str(), "\".");
          return;
          }
        }
      }

    // Configure the Info.plist file.  Note that it needs the executable name
    // to be set.
    std::string f2 = macdir + "Info.plist";
    this->Makefile->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME",
                                  targetName.c_str());
    this->Makefile->ConfigureFile(f1.c_str(), f2.c_str(), 
                                  false, false, false);
    }
#endif
  std::string outpathImp;
  if(relink)
    {
    outpath = this->Makefile->GetStartOutputDirectory();
    outpath += cmake::GetCMakeFilesDirectory();
    outpath += "/CMakeRelink.dir";
    cmSystemTools::MakeDirectory(outpath.c_str());
    outpath += "/";
    if(!targetNameImport.empty())
      {
      outpathImp = outpath;
      }
    }
  else
    {
    if(!targetNameImport.empty())
      {
      outpathImp = this->Target->GetDirectory(0, true);
      outpathImp += "/";
      }
    }
  std::string targetFullPath = outpath + targetName;
  std::string targetFullPathReal = outpath + targetNameReal;
  std::string targetFullPathPDB = outpath + targetNamePDB;
  std::string targetFullPathImport = outpathImp + targetNameImport;
  std::string targetOutPathPDB = 
    this->Convert(targetFullPathPDB.c_str(),
                  cmLocalGenerator::FULL,
                  cmLocalGenerator::SHELL);
  // Convert to the output path to use in constructing commands.
  std::string targetOutPath =
    this->Convert(targetFullPath.c_str(),
                  cmLocalGenerator::START_OUTPUT,
                  cmLocalGenerator::SHELL);
  std::string targetOutPathReal =
    this->Convert(targetFullPathReal.c_str(),
                  cmLocalGenerator::START_OUTPUT,
                  cmLocalGenerator::SHELL);
  std::string targetOutPathImport =
    this->Convert(targetFullPathImport.c_str(),
                  cmLocalGenerator::START_OUTPUT,
                  cmLocalGenerator::SHELL);

  // Get the language to use for linking this executable.
  const char* linkLanguage =
    this->Target->GetLinkerLanguage(this->GlobalGenerator);

  // Make sure we have a link language.
  if(!linkLanguage)
    {
    cmSystemTools::Error("Cannot determine link language for target \"",
                         this->Target->GetName(), "\".");
    return;
    }

  // Add the link message.
  std::string buildEcho = "Linking ";
  buildEcho += linkLanguage;
  buildEcho += " executable ";
  buildEcho += targetOutPath;
  this->LocalGenerator->AppendEcho(commands, buildEcho.c_str(),
                                   cmLocalUnixMakefileGenerator3::EchoLink);

  // Build a list of compiler flags and linker flags.
  std::string flags;
  std::string linkFlags;

  // Add flags to deal with shared libraries.  Any library being
  // linked in might be shared, so always use shared flags for an
  // executable.
  this->LocalGenerator->AddSharedFlags(linkFlags, linkLanguage, true);

  // Add flags to create an executable.
  this->LocalGenerator->
    AddConfigVariableFlags(linkFlags, "CMAKE_EXE_LINKER_FLAGS",
                           this->LocalGenerator->ConfigurationName.c_str());


  if(this->Target->GetPropertyAsBool("WIN32_EXECUTABLE"))
    {
    this->LocalGenerator->AppendFlags
      (linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_WIN32_EXE"));
    }
  else
    {
    this->LocalGenerator->AppendFlags
      (linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_CONSOLE_EXE"));
    }

  // Add symbol export flags if necessary.
  if(this->Target->GetPropertyAsBool("ENABLE_EXPORTS"))
    {
    std::string export_flag_var = "CMAKE_EXE_EXPORTS_";
    export_flag_var += linkLanguage;
    export_flag_var += "_FLAG";
    this->LocalGenerator->AppendFlags
      (linkFlags, this->Makefile->GetDefinition(export_flag_var.c_str()));
    }

  // Add language-specific flags.
  this->LocalGenerator
    ->AddLanguageFlags(flags, linkLanguage,
                       this->LocalGenerator->ConfigurationName.c_str());

  // Add target-specific linker flags.
  this->LocalGenerator->AppendFlags
    (linkFlags, this->Target->GetProperty("LINK_FLAGS"));
  std::string linkFlagsConfig = "LINK_FLAGS_";
  linkFlagsConfig += 
    cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName.c_str());
  this->LocalGenerator->AppendFlags
    (linkFlags, this->Target->GetProperty(linkFlagsConfig.c_str()));

  // Construct a list of files associated with this executable that
  // may need to be cleaned.
  std::vector<std::string> exeCleanFiles;
  {
  std::string cleanName;
  std::string cleanRealName;
  std::string cleanImportName;
  std::string cleanPDBName;
  this->Target->GetExecutableCleanNames
    (cleanName, cleanRealName, cleanImportName, cleanPDBName,
     this->LocalGenerator->ConfigurationName.c_str());

  std::string cleanFullName = outpath + cleanName;
  std::string cleanFullRealName = outpath + cleanRealName;
  std::string cleanFullPDBName = outpath + cleanPDBName;
  std::string cleanFullImportName = outpathImp + cleanImportName;
  exeCleanFiles.push_back(this->Convert(cleanFullName.c_str(),
                                        cmLocalGenerator::START_OUTPUT,
                                        cmLocalGenerator::UNCHANGED));
#ifdef _WIN32
  // There may be a manifest file for this target.  Add it to the
  // clean set just in case.
  exeCleanFiles.push_back(this->Convert((cleanFullName+".manifest").c_str(),
                                        cmLocalGenerator::START_OUTPUT,
                                        cmLocalGenerator::UNCHANGED));
#endif
  if(cleanRealName != cleanName)
    {
    exeCleanFiles.push_back(this->Convert(cleanFullRealName.c_str(),
                                          cmLocalGenerator::START_OUTPUT,
                                          cmLocalGenerator::UNCHANGED));
    }
  if(!cleanImportName.empty())
    {
    exeCleanFiles.push_back(this->Convert(cleanFullImportName.c_str(),
                                          cmLocalGenerator::START_OUTPUT,
                                          cmLocalGenerator::UNCHANGED));
    }

  // List the PDB for cleaning only when the whole target is
  // cleaned.  We do not want to delete the .pdb file just before
  // linking the target.
  this->CleanFiles.push_back
    (this->Convert(cleanFullPDBName.c_str(),
                   cmLocalGenerator::START_OUTPUT,
                   cmLocalGenerator::UNCHANGED));
  }

  // Add a command to remove any existing files for this executable.
  std::vector<std::string> commands1;
  this->LocalGenerator->AppendCleanCommand(commands1, exeCleanFiles,
                                           *this->Target, "target");
  this->LocalGenerator->CreateCDCommand
    (commands1,
     this->Makefile->GetStartOutputDirectory(),
     this->Makefile->GetHomeOutputDirectory());

  commands.insert(commands.end(), commands1.begin(), commands1.end());
  commands1.clear();

  // Add the pre-build and pre-link rules building but not when relinking.
  if(!relink)
    {
    this->LocalGenerator
      ->AppendCustomCommands(commands, this->Target->GetPreBuildCommands());
    this->LocalGenerator
      ->AppendCustomCommands(commands, this->Target->GetPreLinkCommands());
    }

  // Construct the main link rule.
  std::string linkRuleVar = "CMAKE_";
  linkRuleVar += linkLanguage;
  linkRuleVar += "_LINK_EXECUTABLE";
  std::string linkRule =
    this->Makefile->GetRequiredDefinition(linkRuleVar.c_str());
  cmSystemTools::ExpandListArgument(linkRule, commands1);
  if(this->Target->GetPropertyAsBool("ENABLE_EXPORTS"))
    {
    // If a separate rule for creating an import library is specified
    // add it now.
    std::string implibRuleVar = "CMAKE_";
    implibRuleVar += linkLanguage;
    implibRuleVar += "_CREATE_IMPORT_LIBRARY";
    if(const char* rule =
       this->Makefile->GetDefinition(implibRuleVar.c_str()))
      {
      cmSystemTools::ExpandListArgument(rule, commands1);
      }
    }
  this->LocalGenerator->CreateCDCommand
    (commands1,
     this->Makefile->GetStartOutputDirectory(),
     this->Makefile->GetHomeOutputDirectory());
  commands.insert(commands.end(), commands1.begin(), commands1.end());

  // Add a rule to create necessary symlinks for the library.
  if(targetOutPath != targetOutPathReal)
    {
    std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_executable ";
    symlink += targetOutPathReal;
    symlink += " ";
    symlink += targetOutPath;
    commands1.clear();
    commands1.push_back(symlink);
    this->LocalGenerator->CreateCDCommand(commands1,
                                  this->Makefile->GetStartOutputDirectory(),
                                  this->Makefile->GetHomeOutputDirectory());
    commands.insert(commands.end(), commands1.begin(), commands1.end());
    }

  // Add the post-build rules when building but not when relinking.
  if(!relink)
    {
    this->LocalGenerator->
      AppendCustomCommands(commands, this->Target->GetPostBuildCommands());
    }

  // Collect up flags to link in needed libraries.
  cmOStringStream linklibs;
  this->LocalGenerator->OutputLinkLibraries(linklibs, *this->Target, relink);

  // Construct object file lists that may be needed to expand the
  // rule.
  std::string variableName;
  std::string variableNameExternal;
  this->WriteObjectsVariable(variableName, variableNameExternal);
  std::string buildObjs = "$(";
  buildObjs += variableName;
  buildObjs += ") $(";
  buildObjs += variableNameExternal;
  buildObjs += ")";
  std::string cleanObjs = "$(";
  cleanObjs += variableName;
  cleanObjs += ")";

  cmLocalGenerator::RuleVariables vars;
  vars.Language = linkLanguage;
  vars.Objects = buildObjs.c_str();
  vars.Target = targetOutPathReal.c_str();
  vars.TargetPDB = targetOutPathPDB.c_str();

  // Setup the target version.
  std::string targetVersionMajor;
  std::string targetVersionMinor;
  {
  cmOStringStream majorStream;
  cmOStringStream minorStream;
  int major;
  int minor;
  this->Target->GetTargetVersion(major, minor);
  majorStream << major;
  minorStream << minor;
  targetVersionMajor = majorStream.str();
  targetVersionMinor = minorStream.str();
  }
  vars.TargetVersionMajor = targetVersionMajor.c_str();
  vars.TargetVersionMinor = targetVersionMinor.c_str();

  std::string linkString = linklibs.str();
  vars.LinkLibraries = linkString.c_str();
  vars.Flags = flags.c_str();
  vars.LinkFlags = linkFlags.c_str();
  // Expand placeholders in the commands.
  this->LocalGenerator->TargetImplib = targetOutPathImport;
  for(std::vector<std::string>::iterator i = commands.begin();
      i != commands.end(); ++i)
    {
    this->LocalGenerator->ExpandRuleVariables(*i, vars);
    }
  this->LocalGenerator->TargetImplib = "";

  // Write the build rule.
  this->LocalGenerator->WriteMakeRule(*this->BuildFileStream,
                                      0,
                                      targetFullPathReal.c_str(),
                                      depends, commands, false);

  // The symlink name for the target should depend on the real target
  // so if the target version changes it rebuilds and recreates the
  // symlink.
  if(targetFullPath != targetFullPathReal)
    {
    depends.clear();
    commands.clear();
    depends.push_back(targetFullPathReal.c_str());
    this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
                                        targetFullPath.c_str(),
                                        depends, commands, false);
    }

  // Write the main driver rule to build everything in this target.
  this->WriteTargetDriverRule(targetFullPath.c_str(), relink);

  // Clean all the possible executable names and symlinks and object files.
  this->CleanFiles.insert(this->CleanFiles.end(),
                          exeCleanFiles.begin(),
                          exeCleanFiles.end());
  this->CleanFiles.insert(this->CleanFiles.end(),
                          this->Objects.begin(),
                          this->Objects.end());
}