mirror of
https://github.com/reactos/CMake.git
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b1f12f8042
Remove extra parens in test for not handling LINK_INTERFACE_LIBRARIES. Remove redundant test for equality with ProcessingPrivateInterface subsumed by test for inequality with ProcessingPublicInterface.
295 lines
9.5 KiB
C++
295 lines
9.5 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmTargetLinkLibrariesCommand.h"
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const char* cmTargetLinkLibrariesCommand::LinkLibraryTypeNames[3] =
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{
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"general",
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"debug",
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"optimized"
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};
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// cmTargetLinkLibrariesCommand
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bool cmTargetLinkLibrariesCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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// must have one argument
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if(args.size() < 1)
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// Lookup the target for which libraries are specified.
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this->Target =
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this->Makefile->GetCMakeInstance()
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->GetGlobalGenerator()->FindTarget(0, args[0].c_str());
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if(!this->Target)
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{
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cmake::MessageType t = cmake::FATAL_ERROR; // fail by default
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cmOStringStream e;
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e << "Cannot specify link libraries for target \"" << args[0] << "\" "
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<< "which is not built by this project.";
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// The bad target is the only argument. Check how policy CMP0016 is set,
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// and accept, warn or fail respectively:
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if (args.size() < 2)
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{
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switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0016))
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{
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case cmPolicies::WARN:
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t = cmake::AUTHOR_WARNING;
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// Print the warning.
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e << "\n"
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<< "CMake does not support this but it used to work accidentally "
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<< "and is being allowed for compatibility."
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<< "\n" << this->Makefile->GetPolicies()->
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GetPolicyWarning(cmPolicies::CMP0016);
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break;
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case cmPolicies::OLD: // OLD behavior does not warn.
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t = cmake::MESSAGE;
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break;
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::REQUIRED_ALWAYS:
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e << "\n" << this->Makefile->GetPolicies()->
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GetRequiredPolicyError(cmPolicies::CMP0016);
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break;
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case cmPolicies::NEW: // NEW behavior prints the error.
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default:
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break;
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}
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}
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// now actually print the message
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switch(t)
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{
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case cmake::AUTHOR_WARNING:
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this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, e.str());
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break;
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case cmake::FATAL_ERROR:
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
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cmSystemTools::SetFatalErrorOccured();
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break;
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default:
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break;
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}
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return true;
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}
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// but we might not have any libs after variable expansion
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if(args.size() < 2)
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{
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return true;
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}
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// Keep track of link configuration specifiers.
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cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
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bool haveLLT = false;
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// Start with primary linking and switch to link interface
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// specification if the keyword is encountered as the first argument.
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this->CurrentProcessingState = ProcessingLinkLibraries;
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// add libraries, nothe that there is an optional prefix
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// of debug and optimized than can be used
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for(unsigned int i=1; i < args.size(); ++i)
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{
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if(args[i] == "LINK_INTERFACE_LIBRARIES")
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{
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this->CurrentProcessingState = ProcessingLinkInterface;
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if(i != 1)
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{
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"The LINK_INTERFACE_LIBRARIES option must appear as the second "
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"argument, just after the target name."
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);
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return true;
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}
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}
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else if(args[i] == "LINK_PUBLIC")
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{
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if(i != 1 && this->CurrentProcessingState != ProcessingPrivateInterface)
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{
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"The LINK_PUBLIC or LINK_PRIVATE option must appear as the second "
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"argument, just after the target name."
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);
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return true;
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}
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this->CurrentProcessingState = ProcessingPublicInterface;
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}
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else if(args[i] == "LINK_PRIVATE")
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{
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if(i != 1 && this->CurrentProcessingState != ProcessingPublicInterface)
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{
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"The LINK_PUBLIC or LINK_PRIVATE option must appear as the second "
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"argument, just after the target name."
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);
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return true;
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}
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this->CurrentProcessingState = ProcessingPrivateInterface;
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}
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else if(args[i] == "debug")
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{
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if(haveLLT)
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{
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this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::DEBUG);
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}
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llt = cmTarget::DEBUG;
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haveLLT = true;
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}
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else if(args[i] == "optimized")
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{
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if(haveLLT)
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{
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this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::OPTIMIZED);
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}
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llt = cmTarget::OPTIMIZED;
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haveLLT = true;
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}
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else if(args[i] == "general")
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{
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if(haveLLT)
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{
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this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::GENERAL);
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}
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llt = cmTarget::GENERAL;
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haveLLT = true;
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}
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else if(haveLLT)
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{
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// The link type was specified by the previous argument.
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haveLLT = false;
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this->HandleLibrary(args[i].c_str(), llt);
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}
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else
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{
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// Lookup old-style cache entry if type is unspecified. So if you
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// do a target_link_libraries(foo optimized bar) it will stay optimized
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// and not use the lookup. As there maybe the case where someone has
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// specifed that a library is both debug and optimized. (this check is
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// only there for backwards compatibility when mixing projects built
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// with old versions of CMake and new)
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llt = cmTarget::GENERAL;
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std::string linkType = args[0];
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linkType += "_LINK_TYPE";
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const char* linkTypeString =
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this->Makefile->GetDefinition( linkType.c_str() );
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if(linkTypeString)
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{
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if(strcmp(linkTypeString, "debug") == 0)
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{
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llt = cmTarget::DEBUG;
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}
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if(strcmp(linkTypeString, "optimized") == 0)
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{
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llt = cmTarget::OPTIMIZED;
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}
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}
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this->HandleLibrary(args[i].c_str(), llt);
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}
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}
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// Make sure the last argument was not a library type specifier.
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if(haveLLT)
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{
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cmOStringStream e;
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e << "The \"" << this->LinkLibraryTypeNames[llt]
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<< "\" argument must be followed by a library.";
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
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cmSystemTools::SetFatalErrorOccured();
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}
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// If any of the LINK_ options were given, make sure the
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// LINK_INTERFACE_LIBRARIES target property exists.
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// Use of any of the new keywords implies awareness of
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// this property. And if no libraries are named, it should
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// result in an empty link interface.
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if(this->CurrentProcessingState != ProcessingLinkLibraries &&
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!this->Target->GetProperty("LINK_INTERFACE_LIBRARIES"))
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{
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this->Target->SetProperty("LINK_INTERFACE_LIBRARIES", "");
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}
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return true;
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}
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//----------------------------------------------------------------------------
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void
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cmTargetLinkLibrariesCommand
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::LinkLibraryTypeSpecifierWarning(int left, int right)
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{
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cmOStringStream w;
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w << "Link library type specifier \""
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<< this->LinkLibraryTypeNames[left] << "\" is followed by specifier \""
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<< this->LinkLibraryTypeNames[right] << "\" instead of a library name. "
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<< "The first specifier will be ignored.";
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this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str());
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}
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//----------------------------------------------------------------------------
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void
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cmTargetLinkLibrariesCommand::HandleLibrary(const char* lib,
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cmTarget::LinkLibraryType llt)
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{
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// Handle normal case first.
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if(this->CurrentProcessingState != ProcessingLinkInterface)
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{
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this->Makefile
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->AddLinkLibraryForTarget(this->Target->GetName(), lib, llt);
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if (this->CurrentProcessingState != ProcessingPublicInterface)
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{
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// Not LINK_INTERFACE_LIBRARIES or LINK_PUBLIC, do not add to interface.
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return;
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}
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}
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// Get the list of configurations considered to be DEBUG.
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std::vector<std::string> const& debugConfigs =
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this->Makefile->GetCMakeInstance()->GetDebugConfigs();
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std::string prop;
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// Include this library in the link interface for the target.
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if(llt == cmTarget::DEBUG || llt == cmTarget::GENERAL)
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{
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// Put in the DEBUG configuration interfaces.
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for(std::vector<std::string>::const_iterator i = debugConfigs.begin();
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i != debugConfigs.end(); ++i)
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{
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prop = "LINK_INTERFACE_LIBRARIES_";
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prop += *i;
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this->Target->AppendProperty(prop.c_str(), lib);
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}
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}
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if(llt == cmTarget::OPTIMIZED || llt == cmTarget::GENERAL)
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{
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// Put in the non-DEBUG configuration interfaces.
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this->Target->AppendProperty("LINK_INTERFACE_LIBRARIES", lib);
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// Make sure the DEBUG configuration interfaces exist so that the
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// general one will not be used as a fall-back.
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for(std::vector<std::string>::const_iterator i = debugConfigs.begin();
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i != debugConfigs.end(); ++i)
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{
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prop = "LINK_INTERFACE_LIBRARIES_";
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prop += *i;
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if(!this->Target->GetProperty(prop.c_str()))
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{
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this->Target->SetProperty(prop.c_str(), "");
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}
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}
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}
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}
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