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258 lines
9.0 KiB
258 lines
9.0 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmGlobalUnixMakefileGenerator3_h
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#define cmGlobalUnixMakefileGenerator3_h
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#include <cmConfigure.h>
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#include <iosfwd>
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#include <map>
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#include <set>
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#include <stddef.h>
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#include <string>
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#include <vector>
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#include "cmGeneratorTarget.h"
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#include "cmGlobalCommonGenerator.h"
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#include "cmGlobalGeneratorFactory.h"
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#include "cmStateSnapshot.h"
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class cmGeneratedFileStream;
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class cmLocalGenerator;
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class cmLocalUnixMakefileGenerator3;
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class cmMakefile;
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class cmMakefileTargetGenerator;
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class cmake;
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struct cmDocumentationEntry;
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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 cmGlobalCommonGenerator
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{
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public:
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cmGlobalUnixMakefileGenerator3(cmake* cm);
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static cmGlobalGeneratorFactory* NewFactory()
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{
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return new cmGlobalGeneratorSimpleFactory<
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cmGlobalUnixMakefileGenerator3>();
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}
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///! Get the name for the generator.
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std::string GetName() const CM_OVERRIDE
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{
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return cmGlobalUnixMakefileGenerator3::GetActualName();
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}
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static std::string GetActualName() { return "Unix Makefiles"; }
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/**
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* Utilized by the generator factory to determine if this generator
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* supports toolsets.
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*/
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static bool SupportsToolset() { return false; }
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/**
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* Utilized by the generator factory to determine if this generator
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* supports platforms.
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*/
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static bool SupportsPlatform() { return false; }
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/** Get the documentation entry for this generator. */
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static void GetDocumentation(cmDocumentationEntry& entry);
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cmLocalGenerator* CreateLocalGenerator(cmMakefile* mf) CM_OVERRIDE;
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/**
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* Try to determine system information such as shared library
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* extension, pthreads, byte order etc.
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*/
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void EnableLanguage(std::vector<std::string> const& languages, cmMakefile*,
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bool optional) CM_OVERRIDE;
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void Configure() CM_OVERRIDE;
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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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void Generate() CM_OVERRIDE;
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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<std::string>& 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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void GenerateBuildCommand(std::vector<std::string>& makeCommand,
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const std::string& makeProgram,
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const std::string& projectName,
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const std::string& projectDir,
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const std::string& targetName,
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const std::string& config, bool fast, bool verbose,
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std::vector<std::string> const& makeOptions =
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std::vector<std::string>()) CM_OVERRIDE;
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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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/** Does the make tool tolerate .NOTPARALLEL? */
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virtual bool AllowNotParallel() const { return true; }
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/** Does the make tool tolerate .DELETE_ON_ERROR? */
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virtual bool AllowDeleteOnError() const { return true; }
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void ComputeTargetObjectDirectory(cmGeneratorTarget* gt) const CM_OVERRIDE;
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std::string IncludeDirective;
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bool DefineWindowsNULL;
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bool PassMakeflags;
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bool UnixCD;
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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, const char* pass,
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bool check_all, 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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cmGeneratorTarget* target);
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// does this generator need a requires step for any of its targets
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bool NeedRequiresStep(cmGeneratorTarget const*);
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// Target name hooks for superclass.
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const char* GetAllTargetName() const CM_OVERRIDE { return "all"; }
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const char* GetInstallTargetName() const CM_OVERRIDE { return "install"; }
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const char* GetInstallLocalTargetName() const CM_OVERRIDE
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{
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return "install/local";
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}
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const char* GetInstallStripTargetName() const CM_OVERRIDE
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{
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return "install/strip";
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}
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const char* GetPreinstallTargetName() const CM_OVERRIDE
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{
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return "preinstall";
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}
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const char* GetTestTargetName() const CM_OVERRIDE { return "test"; }
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const char* GetPackageTargetName() const CM_OVERRIDE { return "package"; }
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const char* GetPackageSourceTargetName() const CM_OVERRIDE
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{
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return "package_source";
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}
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const char* GetEditCacheTargetName() const CM_OVERRIDE
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{
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return "edit_cache";
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}
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const char* GetRebuildCacheTargetName() const CM_OVERRIDE
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{
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return "rebuild_cache";
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}
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const char* GetCleanTargetName() const CM_OVERRIDE { return "clean"; }
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bool CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const CM_OVERRIDE { 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()
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: NumberOfActions(0)
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{
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}
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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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typedef std::map<cmGeneratorTarget const*, TargetProgress,
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cmGeneratorTarget::StrictTargetComparison>
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ProgressMapType;
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ProgressMapType ProgressMap;
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size_t CountProgressMarksInTarget(
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cmGeneratorTarget const* target,
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std::set<cmGeneratorTarget const*>& emitted);
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size_t CountProgressMarksInAll(cmLocalGenerator* lg);
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cmGeneratedFileStream* CommandDatabase;
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private:
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const char* GetBuildIgnoreErrorsFlag() const CM_OVERRIDE { return "-i"; }
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std::string GetEditCacheCommand() const CM_OVERRIDE;
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std::map<cmStateSnapshot, std::set<cmGeneratorTarget const*>,
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cmStateSnapshot::StrictWeakOrder>
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DirectoryTargetsMap;
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void InitializeProgressMarks() CM_OVERRIDE;
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};
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#endif
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