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193 lines
7.9 KiB
193 lines
7.9 KiB
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmGlobalUnixMakefileGenerator3_h
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#define cmGlobalUnixMakefileGenerator3_h
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#include "cmGlobalGenerator.h"
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#include "cmGlobalGeneratorFactory.h"
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class cmGeneratedFileStream;
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class cmMakefileTargetGenerator;
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class cmLocalUnixMakefileGenerator3;
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/** \class cmGlobalUnixMakefileGenerator3
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* \brief Write a Unix makefiles.
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*
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* cmGlobalUnixMakefileGenerator3 manages UNIX build process for a tree
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The basic approach of this generator is to produce Makefiles that will all
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be run with the current working directory set to the Home Output
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directory. The one exception to this is the subdirectory Makefiles which are
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created as a convenience and just cd up to the Home Output directory and
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invoke the main Makefiles.
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The make process starts with Makefile. Makefile should only contain the
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targets the user is likely to invoke directly from a make command line. No
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internal targets should be in this file. Makefile2 contains the internal
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targets that are required to make the process work.
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Makefile2 in turn will recursively make targets in the correct order. Each
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target has its own directory \<target\>.dir and its own makefile build.make in
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that directory. Also in that directory is a couple makefiles per source file
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used by the target. Typically these are named source.obj.build.make and
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source.obj.build.depend.make. The source.obj.build.make contains the rules
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for building, cleaning, and computing dependencies for the given source
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file. The build.depend.make contains additional dependencies that were
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computed during dependency scanning. An additional file called
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source.obj.depend is used as a marker to indicate when dependencies must be
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rescanned.
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Rules for custom commands follow the same model as rules for source files.
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*/
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class cmGlobalUnixMakefileGenerator3 : public cmGlobalGenerator
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{
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public:
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cmGlobalUnixMakefileGenerator3();
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static cmGlobalGeneratorFactory* NewFactory() {
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return new cmGlobalGeneratorSimpleFactory
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<cmGlobalUnixMakefileGenerator3>(); }
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///! Get the name for the generator.
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virtual const char* GetName() const {
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return cmGlobalUnixMakefileGenerator3::GetActualName();}
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static const char* GetActualName() {return "Unix Makefiles";}
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/** Get the documentation entry for this generator. */
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static void GetDocumentation(cmDocumentationEntry& entry);
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///! Create a local generator appropriate to this Global Generator3
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virtual cmLocalGenerator *CreateLocalGenerator();
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/**
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* Try to determine system infomation such as shared library
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* extension, pthreads, byte order etc.
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*/
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virtual void EnableLanguage(std::vector<std::string>const& languages,
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cmMakefile *, bool optional);
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/**
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* Generate the all required files for building this project/tree. This
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* basically creates a series of LocalGenerators for each directory and
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* requests that they Generate.
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*/
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virtual void Generate();
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void WriteMainCMakefileLanguageRules(cmGeneratedFileStream& cmakefileStream,
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std::vector<cmLocalGenerator *> &);
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// write out the help rule listing the valid targets
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void WriteHelpRule(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3 *);
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// write the top level target rules
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void WriteConvenienceRules(std::ostream& ruleFileStream,
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std::set<cmStdString> &emitted);
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/** Get the command to use for a target that has no rule. This is
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used for multiple output dependencies and for cmake_force. */
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std::string GetEmptyRuleHackCommand() { return this->EmptyRuleHackCommand; }
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/** Get the fake dependency to use when a rule has no real commands
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or dependencies. */
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std::string GetEmptyRuleHackDepends() { return this->EmptyRuleHackDepends; }
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// change the build command for speed
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virtual std::string GenerateBuildCommand
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(const char* makeProgram,
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const char *projectName, const char *projectDir,
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const char* additionalOptions,
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const char *targetName,
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const char* config, bool ignoreErrors, bool fast);
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/** Record per-target progress information. */
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void RecordTargetProgress(cmMakefileTargetGenerator* tg);
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void AddCXXCompileCommand(const std::string &sourceFile,
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const std::string &workingDirectory,
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const std::string &compileCommand);
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protected:
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void WriteMainMakefile2();
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void WriteMainCMakefile();
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void WriteConvenienceRules2(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3*);
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void WriteDirectoryRule2(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3* lg,
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const char* pass, bool check_all,
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bool check_relink);
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void WriteDirectoryRules2(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3* lg);
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void AppendGlobalTargetDepends(std::vector<std::string>& depends,
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cmTarget& target);
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// does this generator need a requires step for any of its targets
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bool NeedRequiresStep(cmTarget const&);
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// Target name hooks for superclass.
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const char* GetAllTargetName() const { return "all"; }
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const char* GetInstallTargetName() const { return "install"; }
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const char* GetInstallLocalTargetName() const { return "install/local"; }
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const char* GetInstallStripTargetName() const { return "install/strip"; }
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const char* GetPreinstallTargetName() const { return "preinstall"; }
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const char* GetTestTargetName() const { return "test"; }
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const char* GetPackageTargetName() const { return "package"; }
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const char* GetPackageSourceTargetName() const { return "package_source"; }
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const char* GetEditCacheTargetName() const { return "edit_cache"; }
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const char* GetRebuildCacheTargetName() const { return "rebuild_cache"; }
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const char* GetCleanTargetName() const { return "clean"; }
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virtual bool CheckALLOW_DUPLICATE_CUSTOM_TARGETS() { return true; }
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// Some make programs (Borland) do not keep a rule if there are no
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// dependencies or commands. This is a problem for creating rules
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// that might not do anything but might have other dependencies
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// added later. If non-empty this variable holds a fake dependency
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// that can be added.
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std::string EmptyRuleHackDepends;
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// Some make programs (Watcom) do not like rules with no commands.
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// If non-empty this variable holds a bogus command that may be put
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// in the rule to satisfy the make program.
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std::string EmptyRuleHackCommand;
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// Store per-target progress counters.
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struct TargetProgress
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{
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TargetProgress(): NumberOfActions(0) {}
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unsigned long NumberOfActions;
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std::string VariableFile;
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std::vector<unsigned long> Marks;
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void WriteProgressVariables(unsigned long total, unsigned long& current);
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};
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struct ProgressMapCompare { bool operator()(cmTarget*,cmTarget*) const; };
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typedef std::map<cmTarget*, TargetProgress,
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ProgressMapCompare> ProgressMapType;
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ProgressMapType ProgressMap;
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size_t CountProgressMarksInTarget(cmTarget* target,
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std::set<cmTarget*>& emitted);
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size_t CountProgressMarksInAll(cmLocalUnixMakefileGenerator3* lg);
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cmGeneratedFileStream *CommandDatabase;
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private:
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virtual void ComputeTargetObjects(cmGeneratorTarget* gt) const;
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};
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#endif
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