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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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.
=========================================================================*/
#ifndef cmTarget_h
#define cmTarget_h
#include "cmStandardIncludes.h"
#include "cmCustomCommand.h"
#include "cmSourceFile.h"
/** \class cmTarget
* \brief Represent a library or executable target loaded from a makefile.
*
* cmTarget represents a target loaded from
* a makefile.
*/
class cmTarget
{
public:
enum TargetType { EXECUTABLE, WIN32_EXECUTABLE, STATIC_LIBRARY,
SHARED_LIBRARY, MODULE_LIBRARY, UTILITY, INSTALL_FILES,
INSTALL_PROGRAMS };
/**
* Return the type of target.
*/
TargetType GetType() const
{
return m_TargetType;
}
void SetType(TargetType f) { m_TargetType = f; }
/**
* Indicate whether the target is part of the all target
*/
bool IsInAll() const { return m_InAll; }
bool GetInAll() const { return m_InAll; }
void SetInAll(bool f) { m_InAll = f; }
/**
* Get the list of the custom commands for this target
*/
const std::vector<cmCustomCommand> &GetCustomCommands() const {return m_CustomCommands;}
std::vector<cmCustomCommand> &GetCustomCommands() {return m_CustomCommands;}
/**
* Get the list of the source lists used by this target
*/
const std::vector<std::string> &GetSourceLists() const
{return m_SourceLists;}
std::vector<std::string> &GetSourceLists() {return m_SourceLists;}
/**
* Get the list of the source files used by this target
*/
const std::vector<cmSourceFile*> &GetSourceFiles() const
{return m_SourceFiles;}
std::vector<cmSourceFile*> &GetSourceFiles() {return m_SourceFiles;}
///! does this target have a cxx file in it
bool HasCxx() const;
/**
* Get the list of the source files used by this target
*/
enum LinkLibraryType {GENERAL, DEBUG, OPTIMIZED};
typedef std::vector<std::pair<std::string,LinkLibraryType> > LinkLibraries;
const LinkLibraries &GetLinkLibraries() const {return m_LinkLibraries;}
void AddLinkLibrary(cmMakefile& mf,
const char *target, const char* lib,
LinkLibraryType llt);
void AddLinkLibrary(const std::string& lib,
LinkLibraryType llt);
void MergeLinkLibraries( cmMakefile& mf, const char* selfname, const LinkLibraries& libs );
const std::vector<std::string>& GetLinkDirectories() const {return m_LinkDirectories;}
void AddLinkDirectory(const char* d);
/**
* Set the path where this target should be installed. This is relative to
* INSTALL_PREFIX
*/
std::string GetInstallPath() const {return m_InstallPath;}
void SetInstallPath(const char *name) {m_InstallPath = name;}
/**
* Generate the SourceFilesList from the SourceLists. This should only be
* done once to be safe.
*/
void GenerateSourceFilesFromSourceLists(cmMakefile &mf);
/** Add a utility on which this project depends. A utility is an executable
* name as would be specified to the ADD_EXECUTABLE or UTILITY_SOURCE
* commands. It is not a full path nor does it have an extension.
*/
void AddUtility(const char* u) { m_Utilities.insert(u);}
///! Get the utilities used by this target
std::set<cmStdString>const& GetUtilities() const { return m_Utilities; }
void AnalyzeLibDependencies( const cmMakefile& mf );
private:
/**
* This map holds the dependency graph. map[x] returns a set of
* direct dependencies of x.
*/
typedef std::map< cmStdString, std::set< cmStdString > > DependencyMap;
/**
* Maps a library name to its internal structure
*/
typedef std::map< cmStdString, std::pair<cmStdString,LinkLibraryType> > LibTypeMap;
/**
* Emits the library \param lib and all its dependencies into
* link_line. \param emitted keeps track of the libraries that have
* been emitted to avoid duplicates--it is more efficient than
* searching link_line. \param visited is used detect cycles. Note
* that \param link_line is in reverse order, in that the
* dependencies of a library are listed before the library itself.
*/
void Emit( const std::string& lib,
const DependencyMap& dep_map,
std::set<cmStdString>& emitted,
std::set<cmStdString>& visited,
std::vector<std::string>& link_line ) const;
/**
* Finds the explicit dependencies for \param lib, if they have been
* specified, and inserts them into \param dep_map. It also adds the
* maps from the library names to internal structures for any
* libraries introduced by the analysis. \param addLibDirs is true
* if paths to newly found libraries should be added to the search
* path.
*/
void GatherDependencies( const cmMakefile& mf, const std::string& lib,
DependencyMap& dep_map );
/**
* Returns true if lib1 depends on lib2 according to \param
* dep_map. \param visited is used to prevent infinite loops when
* cycles are present.
*/
bool DependsOn( const std::string& lib1, const std::string& lib2,
const DependencyMap& dep_map,
std::set<cmStdString>& visited ) const;
private:
std::vector<cmCustomCommand> m_CustomCommands;
std::vector<std::string> m_SourceLists;
TargetType m_TargetType;
std::vector<cmSourceFile*> m_SourceFiles;
LinkLibraries m_LinkLibraries;
LinkLibraries m_PrevLinkedLibraries;
std::vector<std::string> m_LinkDirectories;
bool m_InAll;
std::string m_InstallPath;
std::set<cmStdString> m_Utilities;
};
typedef std::map<cmStdString,cmTarget> cmTargets;
#endif
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