119 lines
4.7 KiB
C++
119 lines
4.7 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator3
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2005 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices 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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class cmGeneratedFileStream;
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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 cmGlobalGenerator* New() { return new 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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virtual void GetDocumentation(cmDocumentationEntry& entry) const;
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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, cmMakefile *);
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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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protected:
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void WriteMainMakefile();
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void WriteMainMakefile2();
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void WriteMainCMakefile();
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void WriteMainCMakefileLanguageRules(cmGeneratedFileStream& cmakefileStream);
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void WriteAllRules(cmLocalUnixMakefileGenerator3 *lg,
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std::ostream& makefileStream);
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void WriteHelpRule(std::ostream& ruleFileStream);
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void WriteConvenienceRules(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3 *,
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std::set<cmStdString> &emitted);
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void WriteConvenienceRules2(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3 *,
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bool exclude);
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void WriteDirectoryRules(std::ostream& ruleFileStream,
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cmLocalUnixMakefileGenerator3 *lg);
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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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const cmTarget& target);
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void AppendAnyGlobalDepend(std::vector<std::string>& depends,
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const char* name);
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// does this generator need a requires step for any of its targets
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bool NeedRequiresStep(cmLocalUnixMakefileGenerator3 *lg);
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};
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#endif
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