summaryrefslogtreecommitdiffstats
path: root/Source/cmGlobalGenerator.h
blob: 5b979605a6d75e3cd871b24cab75f769c4f51120 (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
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/

#ifndef cmGlobalGenerator_h
#define cmGlobalGenerator_h

#include "cmStandardIncludes.h"

#include "cmTarget.h" // For cmTargets
#include "cmTargetDepend.h" // For cmTargetDependSet
#include "cmSystemTools.h" // for cmSystemTools::OutputOption
#include "cmExportSetMap.h" // For cmExportSetMap
#include "cmGeneratorTarget.h"
#include "cmGeneratorExpression.h"

class cmake;
class cmGeneratorTarget;
class cmGeneratorExpressionEvaluationFile;
class cmMakefile;
class cmLocalGenerator;
class cmExternalMakefileProjectGenerator;
class cmTarget;
class cmInstallTargetGenerator;
class cmInstallFilesGenerator;
class cmExportBuildFileGenerator;
class cmQtAutoGenerators;

/** \class cmGlobalGenerator
 * \brief Responable for overseeing the generation process for the entire tree
 *
 * Subclasses of this class generate makefiles for various
 * platforms.
 */
class cmGlobalGenerator
{
public:
  ///! Free any memory allocated with the GlobalGenerator
  cmGlobalGenerator();
  virtual ~cmGlobalGenerator();

  ///! Create a local generator appropriate to this Global Generator
  virtual cmLocalGenerator *CreateLocalGenerator();

  ///! Get the name for this generator
  virtual const char *GetName() const { return "Generic"; };

  /** Check whether the given name matches the current generator.  */
  virtual bool MatchesGeneratorName(const char* name) const
  { return strcmp(this->GetName(), name) == 0; }

  /** Set the generator-specific toolset name.  Returns true if toolset
      is supported and false otherwise.  */
  virtual bool SetGeneratorToolset(std::string const& ts);

  /**
   * Create LocalGenerators and process the CMakeLists files. This does not
   * actually produce any makefiles, DSPs, etc.
   */
  virtual void Configure();

  /**
   * Generate the all required files for building this project/tree. This
   * basically creates a series of LocalGenerators for each directory and
   * requests that they Generate.
   */
  virtual void Generate();

  /**
   * Set/Get and Clear the enabled languages.
   */
  void SetLanguageEnabled(const std::string&, cmMakefile* mf);
  bool GetLanguageEnabled(const std::string&) const;
  void ClearEnabledLanguages();
  void GetEnabledLanguages(std::vector<std::string>& lang) const;
  /**
   * Try to determine system infomation such as shared library
   * extension, pthreads, byte order etc.
   */
  virtual void EnableLanguage(std::vector<std::string>const& languages,
                              cmMakefile *, bool optional);

  /**
   * Resolve the CMAKE_<lang>_COMPILER setting for the given language.
   * Intended to be called from EnableLanguage.
   */
  void ResolveLanguageCompiler(const std::string &lang, cmMakefile *mf,
                               bool optional) const;

  /**
   * Try to determine system infomation, get it from another generator
   */
  virtual void EnableLanguagesFromGenerator(cmGlobalGenerator *gen,
                                            cmMakefile* mf);

  /**
   * Try running cmake and building a file. This is used for dynamically
   * loaded commands, not as part of the usual build process.
   */
  virtual int TryCompile(const char *srcdir, const char *bindir,
                         const std::string& projectName,
                         const std::string& targetName,
                         bool fast, std::string *output, cmMakefile* mf);


  /**
   * Build a file given the following information. This is a more direct call
   * that is used by both CTest and TryCompile. If target name is NULL or
   * empty then all is assumed. clean indicates if a "make clean" should be
   * done first.
   */
  int Build(const char *srcdir, const char *bindir,
            const std::string& projectName, const std::string& targetName,
            std::string *output,
            const char *makeProgram, const std::string& config,
            bool clean, bool fast,
            double timeout,
            cmSystemTools::OutputOption outputflag=cmSystemTools::OUTPUT_NONE,
            std::vector<std::string> const& nativeOptions =
            std::vector<std::string>());

  virtual void GenerateBuildCommand(
    std::vector<std::string>& makeCommand,
    const char* makeProgram,
    const std::string& projectName, const char *projectDir,
    const std::string& targetName, const std::string& config, bool fast,
    std::vector<std::string> const& makeOptions = std::vector<std::string>()
    );

  /** Generate a "cmake --build" call for a given target and config.  */
  std::string GenerateCMakeBuildCommand(const std::string& target,
                                        const std::string& config,
                                        const std::string& native,
                                        bool ignoreErrors);

  ///! Set the CMake instance
  void SetCMakeInstance(cmake *cm);

  ///! Get the CMake instance
  cmake *GetCMakeInstance() const { return this->CMakeInstance; }

  void SetConfiguredFilesPath(cmGlobalGenerator* gen);
  const std::vector<cmLocalGenerator *>& GetLocalGenerators() const {
    return this->LocalGenerators;}

  cmLocalGenerator* GetCurrentLocalGenerator()
                                          {return this->CurrentLocalGenerator;}

  void SetCurrentLocalGenerator(cmLocalGenerator* lg)
                                            {this->CurrentLocalGenerator = lg;}

  void AddLocalGenerator(cmLocalGenerator *lg);

  ///! Set an generator for an "external makefile based project"
  void SetExternalMakefileProjectGenerator(
                           cmExternalMakefileProjectGenerator *extraGenerator);

  const char* GetExtraGeneratorName() const;

  void AddInstallComponent(const char* component);

  const std::set<std::string>* GetInstallComponents() const
    { return &this->InstallComponents; }

  cmExportSetMap& GetExportSets() {return this->ExportSets;}

  /** Add a file to the manifest of generated targets for a configuration.  */
  void AddToManifest(const std::string& config, std::string const& f);

  void EnableInstallTarget();

  int TryCompileTimeout;

  bool GetForceUnixPaths() const { return this->ForceUnixPaths; }
  bool GetToolSupportsColor() const { return this->ToolSupportsColor; }

  ///! return the language for the given extension
  std::string GetLanguageFromExtension(const char* ext) const;
  ///! is an extension to be ignored
  bool IgnoreFile(const char* ext) const;
  ///! What is the preference for linkers and this language (None or Prefered)
  int GetLinkerPreference(const std::string& lang) const;
  ///! What is the object file extension for a given source file?
  std::string GetLanguageOutputExtension(cmSourceFile const&) const;

  ///! What is the configurations directory variable called?
  virtual const char* GetCMakeCFGIntDir() const { return "."; }

  ///! expand CFGIntDir for a configuration
  virtual std::string ExpandCFGIntDir(const std::string& str,
                                      const std::string& config) const;

  /** Get whether the generator should use a script for link commands.  */
  bool GetUseLinkScript() const { return this->UseLinkScript; }

  /** Get whether the generator should produce special marks on rules
      producing symbolic (non-file) outputs.  */
  bool GetNeedSymbolicMark() const { return this->NeedSymbolicMark; }

  /*
   * Determine what program to use for building the project.
   */
  virtual void FindMakeProgram(cmMakefile*);

  ///! Find a target by name by searching the local generators.
  cmTarget* FindTarget(const std::string& name,
                       bool excludeAliases = false) const;

  void AddAlias(const std::string& name, cmTarget *tgt);
  bool IsAlias(const std::string& name) const;

  /** Determine if a name resolves to a framework on disk or a built target
      that is a framework. */
  bool NameResolvesToFramework(const std::string& libname) const;

  /** If check to see if the target is linked to by any other
      target in the project */
  bool IsDependedOn(const std::string& project, cmTarget const* target);
  ///! Find a local generator by its startdirectory
  cmLocalGenerator* FindLocalGenerator(const std::string& start_dir) const;

  /** Append the subdirectory for the given configuration.  If anything is
      appended the given prefix and suffix will be appended around it, which
      is useful for leading or trailing slashes.  */
  virtual void AppendDirectoryForConfig(const std::string& prefix,
                                        const std::string& config,
                                        const std::string& suffix,
                                        std::string& dir);

  /** Get the manifest of all targets that will be built for each
      configuration.  This is valid during generation only.  */
  cmTargetManifest const& GetTargetManifest() const
    { return this->TargetManifest; }

  /** Get the content of a directory.  Directory listings are loaded
      from disk at most once and cached.  During the generation step
      the content will include the target files to be built even if
      they do not yet exist.  */
  std::set<std::string> const& GetDirectoryContent(std::string const& dir,
                                                   bool needDisk = true);

  void AddTarget(cmTarget* t);

  static bool IsReservedTarget(std::string const& name);

  virtual const char* GetAllTargetName()         const { return "ALL_BUILD"; }
  virtual const char* GetInstallTargetName()       const { return "INSTALL"; }
  virtual const char* GetInstallLocalTargetName()  const { return 0; }
  virtual const char* GetInstallStripTargetName()  const { return 0; }
  virtual const char* GetPreinstallTargetName()    const { return 0; }
  virtual const char* GetTestTargetName()        const { return "RUN_TESTS"; }
  virtual const char* GetPackageTargetName()       const { return "PACKAGE"; }
  virtual const char* GetPackageSourceTargetName() const { return 0; }
  virtual const char* GetEditCacheTargetName()     const { return 0; }
  virtual const char* GetRebuildCacheTargetName()  const { return 0; }
  virtual const char* GetCleanTargetName()         const { return 0; }

  // Lookup edit_cache target command preferred by this generator.
  virtual std::string GetEditCacheCommand() const { return ""; }

  // Class to track a set of dependencies.
  typedef cmTargetDependSet TargetDependSet;

  // what targets does the specified target depend on directly
  // via a target_link_libraries or add_dependencies
  TargetDependSet const& GetTargetDirectDepends(cmTarget const& target);

  /** Get per-target generator information.  */
  cmGeneratorTarget* GetGeneratorTarget(cmTarget const*) const;

  const std::map<std::string, std::vector<cmLocalGenerator*> >& GetProjectMap()
                                               const {return this->ProjectMap;}

  // track files replaced during a Generate
  void FileReplacedDuringGenerate(const std::string& filename);
  void GetFilesReplacedDuringGenerate(std::vector<std::string>& filenames);

  void AddRuleHash(const std::vector<std::string>& outputs,
                   std::string const& content);

  /** Return whether the given binary directory is unused.  */
  bool BinaryDirectoryIsNew(const std::string& dir)
    {
    return this->BinaryDirectories.insert(dir).second;
    }
  /** Supported systems creates a GUID for the given name */
  virtual void CreateGUID(const std::string&) {}

  /** Return true if the generated build tree may contain multiple builds.
      i.e. "Can I build Debug and Release in the same tree?" */
  virtual bool IsMultiConfig() { return false; }

  std::string GetSharedLibFlagsForLanguage(std::string const& lang) const;

  /** Generate an <output>.rule file path for a given command output.  */
  virtual std::string GenerateRuleFile(std::string const& output) const;

  static std::string EscapeJSON(const std::string& s);

  void AddEvaluationFile(const std::string &inputFile,
                  cmsys::auto_ptr<cmCompiledGeneratorExpression> outputName,
                  cmMakefile *makefile,
                  cmsys::auto_ptr<cmCompiledGeneratorExpression> condition,
                  bool inputIsContent);

  void ProcessEvaluationFiles();

  std::map<std::string, cmExportBuildFileGenerator*>& GetBuildExportSets()
    {return this->BuildExportSets;}
  void AddBuildExportSet(cmExportBuildFileGenerator*);
  void AddBuildExportExportSet(cmExportBuildFileGenerator*);
  bool IsExportedTargetsFile(const std::string &filename) const;
  bool GenerateImportFile(const std::string &file);
  cmExportBuildFileGenerator*
  GetExportedTargetsFile(const std::string &filename) const;
  void AddCMP0042WarnTarget(const std::string& target);

protected:
  typedef std::vector<cmLocalGenerator*> GeneratorVector;
  // for a project collect all its targets by following depend
  // information, and also collect all the targets
  virtual void GetTargetSets(TargetDependSet& projectTargets,
                             TargetDependSet& originalTargets,
                             cmLocalGenerator* root, GeneratorVector const&);
  bool IsRootOnlyTarget(cmTarget* target) const;
  void AddTargetDepends(cmTarget const* target,
                        TargetDependSet& projectTargets);
  void SetLanguageEnabledFlag(const std::string& l, cmMakefile* mf);
  void SetLanguageEnabledMaps(const std::string& l, cmMakefile* mf);
  void FillExtensionToLanguageMap(const std::string& l, cmMakefile* mf);

  virtual bool ComputeTargetDepends();

  virtual bool CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const;

  typedef std::vector<std::pair<cmQtAutoGenerators,
                                cmTarget const*> > AutogensType;
  void CreateQtAutoGeneratorsTargets(AutogensType& autogens);

  std::string SelectMakeProgram(const char* makeProgram,
                                std::string makeDefault = "") const;

  // Fill the ProjectMap, this must be called after LocalGenerators
  // has been populated.
  void FillProjectMap();
  void CheckLocalGenerators();
  bool IsExcluded(cmLocalGenerator* root, cmLocalGenerator* gen) const;
  bool IsExcluded(cmLocalGenerator* root, cmTarget const& target) const;
  void FillLocalGeneratorToTargetMap();
  void CreateDefaultGlobalTargets(cmTargets* targets);
  cmTarget CreateGlobalTarget(const std::string& name, const char* message,
    const cmCustomCommandLines* commandLines,
    std::vector<std::string> depends, const char* workingDir);

  bool NeedSymbolicMark;
  bool UseLinkScript;
  bool ForceUnixPaths;
  bool ToolSupportsColor;
  std::string FindMakeProgramFile;
  std::string ConfiguredFilesPath;
  cmake *CMakeInstance;
  std::vector<cmLocalGenerator *> LocalGenerators;
  cmLocalGenerator* CurrentLocalGenerator;
  // map from project name to vector of local generators in that project
  std::map<std::string, std::vector<cmLocalGenerator*> > ProjectMap;
  std::map<cmLocalGenerator*, std::set<cmTarget const*> >
                                                    LocalGeneratorToTargetMap;

  // Set of named installation components requested by the project.
  std::set<std::string> InstallComponents;
  bool InstallTargetEnabled;
  // Sets of named target exports
  cmExportSetMap ExportSets;
  std::map<std::string, cmExportBuildFileGenerator*> BuildExportSets;
  std::map<std::string, cmExportBuildFileGenerator*> BuildExportExportSets;

  // Manifest of all targets that will be built for each configuration.
  // This is computed just before local generators generate.
  cmTargetManifest TargetManifest;

  // All targets in the entire project.
  std::map<std::string,cmTarget *> TotalTargets;
  std::map<std::string,cmTarget *> AliasTargets;
  std::map<std::string,cmTarget *> ImportedTargets;
  std::vector<cmGeneratorExpressionEvaluationFile*> EvaluationFiles;

  virtual const char* GetPredefinedTargetsFolder();
  virtual bool UseFolderProperty();
  void EnableMinGWLanguage(cmMakefile *mf);

private:
  cmMakefile* TryCompileOuterMakefile;
  float FirstTimeProgress;
  // If you add a new map here, make sure it is copied
  // in EnableLanguagesFromGenerator
  std::map<std::string, bool> IgnoreExtensions;
  std::map<std::string, bool> LanguageEnabled;
  std::set<std::string> LanguagesReady; // Ready for try_compile
  std::map<std::string, std::string> OutputExtensions;
  std::map<std::string, std::string> LanguageToOutputExtension;
  std::map<std::string, std::string> ExtensionToLanguage;
  std::map<std::string, int> LanguageToLinkerPreference;
  std::map<std::string, std::string> LanguageToOriginalSharedLibFlags;

  // Record hashes for rules and outputs.
  struct RuleHash { char Data[32]; };
  std::map<std::string, RuleHash> RuleHashes;
  void CheckRuleHashes();
  void CheckRuleHashes(std::string const& pfile, std::string const& home);
  void WriteRuleHashes(std::string const& pfile);

  void WriteSummary();
  void WriteSummary(cmTarget* target);
  void FinalizeTargetCompileInfo();

  virtual void PrintCompilerAdvice(std::ostream& os, std::string const& lang,
                                   const char* envVar) const;
  void CheckCompilerIdCompatibility(cmMakefile* mf,
                                    std::string const& lang) const;

  cmExternalMakefileProjectGenerator* ExtraGenerator;

  // track files replaced during a Generate
  std::vector<std::string> FilesReplacedDuringGenerate;

  // Store computed inter-target dependencies.
  typedef std::map<cmTarget const*, TargetDependSet> TargetDependMap;
  TargetDependMap TargetDependencies;

  // Per-target generator information.
  cmGeneratorTargetsType GeneratorTargets;
  friend class cmake;
  void CreateGeneratorTargets(cmMakefile* mf);
  void CreateGeneratorTargets();
  void ComputeGeneratorTargetObjects();
  virtual void ComputeTargetObjects(cmGeneratorTarget* gt) const;

  void ClearGeneratorMembers();

  virtual const char* GetBuildIgnoreErrorsFlag() const { return 0; }

  // Cache directory content and target files to be built.
  struct DirectoryContent: public std::set<std::string>
  {
    typedef std::set<std::string> derived;
    bool LoadedFromDisk;
    DirectoryContent(): LoadedFromDisk(false) {}
    DirectoryContent(DirectoryContent const& dc):
      derived(dc), LoadedFromDisk(dc.LoadedFromDisk) {}
  };
  std::map<std::string, DirectoryContent> DirectoryContentMap;

  // Set of binary directories on disk.
  std::set<std::string> BinaryDirectories;

  // track targets to issue CMP0042 warning for.
  std::set<std::string> CMP0042WarnTargets;
};

#endif