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/*============================================================================
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 cmComputeLinkInformation_h
#define cmComputeLinkInformation_h
#include "cmStandardIncludes.h"
#include <cmsys/RegularExpression.hxx>
class cmake;
class cmGlobalGenerator;
class cmLocalGenerator;
class cmMakefile;
class cmTarget;
class cmOrderDirectories;
/** \class cmComputeLinkInformation
* \brief Compute link information for a target in one configuration.
*/
class cmComputeLinkInformation
{
public:
cmComputeLinkInformation(cmTarget* target, const char* config,
cmTarget* headTarget);
~cmComputeLinkInformation();
bool Compute();
struct Item
{
Item(): Value(), IsPath(true), Target(0) {}
Item(Item const& item):
Value(item.Value), IsPath(item.IsPath), Target(item.Target) {}
Item(std::string const& v, bool p, cmTarget* target = 0):
Value(v), IsPath(p), Target(target) {}
std::string Value;
bool IsPath;
cmTarget* Target;
};
typedef std::vector<Item> ItemVector;
ItemVector const& GetItems();
std::vector<std::string> const& GetDirectories();
std::vector<std::string> const& GetDepends();
std::vector<std::string> const& GetFrameworkPaths();
const char* GetLinkLanguage() const { return this->LinkLanguage; }
std::vector<std::string> const& GetRuntimeSearchPath();
std::string const& GetRuntimeFlag() const { return this->RuntimeFlag; }
std::string const& GetRuntimeSep() const { return this->RuntimeSep; }
void GetRPath(std::vector<std::string>& runtimeDirs, bool for_install);
std::string GetRPathString(bool for_install);
std::string GetChrpathString();
std::set<cmTarget*> const& GetSharedLibrariesLinked();
std::string const& GetRPathLinkFlag() const { return this->RPathLinkFlag; }
std::string GetRPathLinkString();
private:
void AddItem(std::string const& item, cmTarget* tgt);
void AddSharedDepItem(std::string const& item, cmTarget* tgt);
// Output information.
ItemVector Items;
std::vector<std::string> Directories;
std::vector<std::string> Depends;
std::vector<std::string> FrameworkPaths;
std::vector<std::string> RuntimeSearchPath;
std::set<cmTarget*> SharedLibrariesLinked;
// Context information.
cmTarget* Target;
cmTarget* HeadTarget;
cmMakefile* Makefile;
cmLocalGenerator* LocalGenerator;
cmGlobalGenerator* GlobalGenerator;
cmake* CMakeInstance;
// Configuration information.
const char* Config;
const char* LinkLanguage;
bool LinkDependsNoShared;
// Modes for dealing with dependent shared libraries.
enum SharedDepMode
{
SharedDepModeNone, // Drop
SharedDepModeDir, // List dir in -rpath-link flag
SharedDepModeLibDir, // List dir in linker search path
SharedDepModeLink // List file on link line
};
// System info.
bool UseImportLibrary;
const char* LoaderFlag;
std::string LibLinkFlag;
std::string LibLinkFileFlag;
std::string LibLinkSuffix;
std::string RuntimeFlag;
std::string RuntimeSep;
std::string RuntimeAlways;
bool RuntimeUseChrpath;
bool NoSONameUsesPath;
bool LinkWithRuntimePath;
std::string RPathLinkFlag;
SharedDepMode SharedDependencyMode;
// Link type adjustment.
void ComputeLinkTypeInfo();
enum LinkType { LinkUnknown, LinkStatic, LinkShared };
LinkType StartLinkType;
LinkType CurrentLinkType;
std::string StaticLinkTypeFlag;
std::string SharedLinkTypeFlag;
bool LinkTypeEnabled;
void SetCurrentLinkType(LinkType lt);
bool ArchivesMayBeShared;
// Link item parsing.
void ComputeItemParserInfo();
std::vector<std::string> StaticLinkExtensions;
std::vector<std::string> SharedLinkExtensions;
std::vector<std::string> LinkExtensions;
std::set<cmStdString> LinkPrefixes;
cmsys::RegularExpression ExtractStaticLibraryName;
cmsys::RegularExpression ExtractSharedLibraryName;
cmsys::RegularExpression ExtractAnyLibraryName;
std::string SharedRegexString;
bool OpenBSD;
void AddLinkPrefix(const char* p);
void AddLinkExtension(const char* e, LinkType type);
std::string CreateExtensionRegex(std::vector<std::string> const& exts,
LinkType type);
std::string NoCaseExpression(const char* str);
// Handling of link items.
void AddTargetItem(std::string const& item, cmTarget* target);
void AddFullItem(std::string const& item);
bool CheckImplicitDirItem(std::string const& item);
void AddUserItem(std::string const& item, bool pathNotKnown);
void AddDirectoryItem(std::string const& item);
void AddFrameworkItem(std::string const& item);
void DropDirectoryItem(std::string const& item);
bool CheckSharedLibNoSOName(std::string const& item);
void AddSharedLibNoSOName(std::string const& item);
void HandleBadFullItem(std::string const& item, std::string const& file);
// Framework info.
void ComputeFrameworkInfo();
void AddFrameworkPath(std::string const& p);
std::set<cmStdString> FrameworkPathsEmmitted;
cmsys::RegularExpression SplitFramework;
// Linker search path computation.
cmOrderDirectories* OrderLinkerSearchPath;
bool FinishLinkerSearchDirectories();
void PrintLinkPolicyDiagnosis(std::ostream&);
// Implicit link libraries and directories for linker language.
void LoadImplicitLinkInfo();
void AddImplicitLinkInfo();
void AddImplicitLinkInfo(std::string const& lang);
std::set<cmStdString> ImplicitLinkDirs;
std::set<cmStdString> ImplicitLinkLibs;
// Additional paths configured by the runtime linker
std::vector<std::string> RuntimeLinkDirs;
// Linker search path compatibility mode.
std::set<cmStdString> OldLinkDirMask;
std::vector<std::string> OldLinkDirItems;
std::vector<std::string> OldUserFlagItems;
bool OldLinkDirMode;
// Runtime path computation.
cmOrderDirectories* OrderRuntimeSearchPath;
void AddLibraryRuntimeInfo(std::string const& fullPath, cmTarget* target);
void AddLibraryRuntimeInfo(std::string const& fullPath);
// Dependent library path computation.
cmOrderDirectories* OrderDependentRPath;
};
#endif
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