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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2004-2015 Kitware, Inc.
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 cmLinkItem_h
#define cmLinkItem_h
#include "cmListFileCache.h"
#include "cmSystemTools.h"
class cmGeneratorTarget;
// Basic information about each link item.
class cmLinkItem: public std::string
{
typedef std::string std_string;
public:
cmLinkItem(): std_string(), Target(0) {}
cmLinkItem(const std_string& n,
cmGeneratorTarget const* t): std_string(n), Target(t) {}
cmLinkItem(cmLinkItem const& r): std_string(r), Target(r.Target) {}
cmGeneratorTarget const* Target;
};
class cmLinkImplItem: public cmLinkItem
{
public:
cmLinkImplItem(): cmLinkItem(), Backtrace(), FromGenex(false) {}
cmLinkImplItem(std::string const& n,
cmGeneratorTarget const* t,
cmListFileBacktrace const& bt,
bool fromGenex):
cmLinkItem(n, t), Backtrace(bt), FromGenex(fromGenex) {}
cmLinkImplItem(cmLinkImplItem const& r):
cmLinkItem(r), Backtrace(r.Backtrace), FromGenex(r.FromGenex) {}
cmListFileBacktrace Backtrace;
bool FromGenex;
};
/** The link implementation specifies the direct library
dependencies needed by the object files of the target. */
struct cmLinkImplementationLibraries
{
// Libraries linked directly in this configuration.
std::vector<cmLinkImplItem> Libraries;
// Libraries linked directly in other configurations.
// Needed only for OLD behavior of CMP0003.
std::vector<cmLinkItem> WrongConfigLibraries;
};
struct cmLinkInterfaceLibraries
{
// Libraries listed in the interface.
std::vector<cmLinkItem> Libraries;
};
struct cmLinkInterface: public cmLinkInterfaceLibraries
{
// Languages whose runtime libraries must be linked.
std::vector<std::string> Languages;
// Shared library dependencies needed for linking on some platforms.
std::vector<cmLinkItem> SharedDeps;
// Number of repetitions of a strongly connected component of two
// or more static libraries.
unsigned int Multiplicity;
// Libraries listed for other configurations.
// Needed only for OLD behavior of CMP0003.
std::vector<cmLinkItem> WrongConfigLibraries;
bool ImplementationIsInterface;
cmLinkInterface(): Multiplicity(0), ImplementationIsInterface(false) {}
};
struct cmOptionalLinkInterface: public cmLinkInterface
{
cmOptionalLinkInterface():
LibrariesDone(false), AllDone(false),
Exists(false), HadHeadSensitiveCondition(false),
ExplicitLibraries(0) {}
bool LibrariesDone;
bool AllDone;
bool Exists;
bool HadHeadSensitiveCondition;
const char* ExplicitLibraries;
};
struct cmHeadToLinkInterfaceMap:
public std::map<cmGeneratorTarget const*, cmOptionalLinkInterface>
{
};
struct cmLinkImplementation: public cmLinkImplementationLibraries
{
// Languages whose runtime libraries must be linked.
std::vector<std::string> Languages;
};
// Cache link implementation computation from each configuration.
struct cmOptionalLinkImplementation: public cmLinkImplementation
{
cmOptionalLinkImplementation():
LibrariesDone(false), LanguagesDone(false),
HadHeadSensitiveCondition(false) {}
bool LibrariesDone;
bool LanguagesDone;
bool HadHeadSensitiveCondition;
};
/** Compute the link type to use for the given configuration. */
inline cmTargetLinkLibraryType
CMP0003_ComputeLinkType(const std::string& config,
std::vector<std::string> const& debugConfigs)
{
// No configuration is always optimized.
if(config.empty())
{
return OPTIMIZED_LibraryType;
}
// Check if any entry in the list matches this configuration.
std::string configUpper = cmSystemTools::UpperCase(config);
if (std::find(debugConfigs.begin(), debugConfigs.end(), configUpper) !=
debugConfigs.end())
{
return DEBUG_LibraryType;
}
// The current configuration is not a debug configuration.
return OPTIMIZED_LibraryType;
}
#endif
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