451 lines
13 KiB
C++
451 lines
13 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 "cmAddLibraryCommand.h"
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#include "cmake.h"
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// cmLibraryCommand
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bool cmAddLibraryCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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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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// Library type defaults to value of BUILD_SHARED_LIBS, if it exists,
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// otherwise it defaults to static library.
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cmTarget::TargetType type = cmTarget::SHARED_LIBRARY;
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if (cmSystemTools::IsOff(this->Makefile->GetDefinition("BUILD_SHARED_LIBS")))
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{
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type = cmTarget::STATIC_LIBRARY;
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}
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bool excludeFromAll = false;
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bool importTarget = false;
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bool importGlobal = false;
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std::vector<std::string>::const_iterator s = args.begin();
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std::string libName = *s;
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++s;
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// If the second argument is "SHARED" or "STATIC", then it controls
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// the type of library. Otherwise, it is treated as a source or
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// source list name. There may be two keyword arguments, check for them
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bool haveSpecifiedType = false;
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bool isAlias = false;
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while ( s != args.end() )
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{
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std::string libType = *s;
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if(libType == "STATIC")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting STATIC type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::STATIC_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(libType == "SHARED")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting SHARED type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::SHARED_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(libType == "MODULE")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting MODULE type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::MODULE_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(libType == "OBJECT")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting OBJECT type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::OBJECT_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(libType == "UNKNOWN")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting UNKNOWN type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::UNKNOWN_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(libType == "ALIAS")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting ALIAS type.";
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this->SetError(e.str());
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return false;
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}
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++s;
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isAlias = true;
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}
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else if(libType == "INTERFACE")
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{
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if (haveSpecifiedType)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting/multiple types.";
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this->SetError(e.str());
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return false;
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}
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if (isAlias)
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{
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cmOStringStream e;
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e << "INTERFACE library specified with conflicting ALIAS type.";
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this->SetError(e.str());
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return false;
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}
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if (excludeFromAll)
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{
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cmOStringStream e;
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e << "INTERFACE library may not be used with EXCLUDE_FROM_ALL.";
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this->SetError(e.str());
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return false;
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}
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++s;
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type = cmTarget::INTERFACE_LIBRARY;
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haveSpecifiedType = true;
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}
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else if(*s == "EXCLUDE_FROM_ALL")
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{
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "INTERFACE library may not be used with EXCLUDE_FROM_ALL.";
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this->SetError(e.str());
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return false;
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}
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++s;
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excludeFromAll = true;
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}
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else if(*s == "IMPORTED")
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{
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++s;
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importTarget = true;
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}
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else if(importTarget && *s == "GLOBAL")
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{
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++s;
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importGlobal = true;
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}
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else if(type == cmTarget::INTERFACE_LIBRARY && *s == "GLOBAL")
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{
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cmOStringStream e;
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e << "GLOBAL option may only be used with IMPORTED libraries.";
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this->SetError(e.str());
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return false;
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}
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else
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{
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break;
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}
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}
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if (type == cmTarget::INTERFACE_LIBRARY)
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{
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if (s != args.end())
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{
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cmOStringStream e;
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e << "INTERFACE library requires no source arguments.";
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this->SetError(e.str());
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return false;
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}
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if (importGlobal && !importTarget)
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{
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cmOStringStream e;
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e << "INTERFACE library specified as GLOBAL, but not as IMPORTED.";
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this->SetError(e.str());
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return false;
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}
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}
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bool nameOk = cmGeneratorExpression::IsValidTargetName(libName) &&
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!cmGlobalGenerator::IsReservedTarget(libName);
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if (nameOk && !importTarget && !isAlias)
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{
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nameOk = libName.find(":") == std::string::npos;
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}
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if (!nameOk)
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{
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cmake::MessageType messageType = cmake::AUTHOR_WARNING;
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cmOStringStream e;
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bool issueMessage = false;
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switch(this->Makefile->GetPolicyStatus(cmPolicies::CMP0037))
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{
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case cmPolicies::WARN:
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if(type != cmTarget::INTERFACE_LIBRARY)
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{
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e << (this->Makefile->GetPolicies()
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->GetPolicyWarning(cmPolicies::CMP0037)) << "\n";
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issueMessage = true;
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}
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case cmPolicies::OLD:
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break;
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case cmPolicies::NEW:
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::REQUIRED_ALWAYS:
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issueMessage = true;
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messageType = cmake::FATAL_ERROR;
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}
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if (issueMessage)
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{
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e << "The target name \"" << libName <<
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"\" is reserved or not valid for certain "
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"CMake features, such as generator expressions, and may result "
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"in undefined behavior.";
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this->Makefile->IssueMessage(messageType, e.str());
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if (messageType == cmake::FATAL_ERROR)
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{
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return false;
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}
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}
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}
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if (isAlias)
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{
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if(!cmGeneratorExpression::IsValidTargetName(libName))
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{
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this->SetError("Invalid name for ALIAS: " + libName);
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return false;
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}
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if(excludeFromAll)
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{
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this->SetError("EXCLUDE_FROM_ALL with ALIAS makes no sense.");
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return false;
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}
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if(importTarget || importGlobal)
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{
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this->SetError("IMPORTED with ALIAS is not allowed.");
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return false;
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}
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if(args.size() != 3)
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{
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cmOStringStream e;
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e << "ALIAS requires exactly one target argument.";
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this->SetError(e.str());
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return false;
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}
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const char *aliasedName = s->c_str();
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if(this->Makefile->IsAlias(aliasedName))
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{
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cmOStringStream e;
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e << "cannot create ALIAS target \"" << libName
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<< "\" because target \"" << aliasedName << "\" is itself an ALIAS.";
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this->SetError(e.str());
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return false;
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}
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cmTarget *aliasedTarget =
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this->Makefile->FindTargetToUse(aliasedName, true);
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if(!aliasedTarget)
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{
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cmOStringStream e;
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e << "cannot create ALIAS target \"" << libName
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<< "\" because target \"" << aliasedName << "\" does not already "
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"exist.";
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this->SetError(e.str());
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return false;
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}
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cmTarget::TargetType aliasedType = aliasedTarget->GetType();
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if(aliasedType != cmTarget::SHARED_LIBRARY
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&& aliasedType != cmTarget::STATIC_LIBRARY
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&& aliasedType != cmTarget::MODULE_LIBRARY
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&& aliasedType != cmTarget::OBJECT_LIBRARY
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&& aliasedType != cmTarget::INTERFACE_LIBRARY)
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{
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cmOStringStream e;
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e << "cannot create ALIAS target \"" << libName
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<< "\" because target \"" << aliasedName << "\" is not a library.";
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this->SetError(e.str());
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return false;
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}
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if(aliasedTarget->IsImported())
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{
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cmOStringStream e;
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e << "cannot create ALIAS target \"" << libName
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<< "\" because target \"" << aliasedName << "\" is IMPORTED.";
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this->SetError(e.str());
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return false;
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}
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this->Makefile->AddAlias(libName, aliasedTarget);
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return true;
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}
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if(importTarget && excludeFromAll)
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{
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this->SetError("excludeFromAll with IMPORTED target makes no sense.");
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return false;
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}
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/* ideally we should check whether for the linker language of the target
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CMAKE_${LANG}_CREATE_SHARED_LIBRARY is defined and if not default to
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STATIC. But at this point we know only the name of the target, but not
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yet its linker language. */
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if ((type != cmTarget::STATIC_LIBRARY) &&
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(type != cmTarget::OBJECT_LIBRARY) &&
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(type != cmTarget::INTERFACE_LIBRARY) &&
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(this->Makefile->GetCMakeInstance()->GetPropertyAsBool(
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"TARGET_SUPPORTS_SHARED_LIBS") == false))
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{
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cmOStringStream w;
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w <<
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"ADD_LIBRARY called with " <<
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(type==cmTarget::SHARED_LIBRARY ? "SHARED" : "MODULE") <<
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" option but the target platform does not support dynamic linking. "
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"Building a STATIC library instead. This may lead to problems.";
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this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str());
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type = cmTarget::STATIC_LIBRARY;
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}
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// Handle imported target creation.
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if(importTarget)
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{
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// The IMPORTED signature requires a type to be specified explicitly.
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if (!haveSpecifiedType)
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{
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this->SetError("called with IMPORTED argument but no library type.");
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return false;
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}
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if(type == cmTarget::OBJECT_LIBRARY)
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{
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"The OBJECT library type may not be used for IMPORTED libraries."
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);
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return true;
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}
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if(type == cmTarget::INTERFACE_LIBRARY)
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{
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if (!cmGeneratorExpression::IsValidTargetName(libName))
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{
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cmOStringStream e;
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e << "Invalid name for IMPORTED INTERFACE library target: " << libName;
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this->SetError(e.str());
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return false;
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}
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}
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// Make sure the target does not already exist.
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if(this->Makefile->FindTargetToUse(libName))
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{
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cmOStringStream e;
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e << "cannot create imported target \"" << libName
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<< "\" because another target with the same name already exists.";
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this->SetError(e.str());
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return false;
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}
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// Create the imported target.
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this->Makefile->AddImportedTarget(libName, type, importGlobal);
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return true;
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}
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// A non-imported target may not have UNKNOWN type.
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if(type == cmTarget::UNKNOWN_LIBRARY)
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{
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this->Makefile->IssueMessage(
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cmake::FATAL_ERROR,
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"The UNKNOWN library type may be used only for IMPORTED libraries."
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);
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return true;
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}
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// Enforce name uniqueness.
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{
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std::string msg;
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if(!this->Makefile->EnforceUniqueName(libName, msg))
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{
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this->SetError(msg);
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return false;
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}
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}
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std::vector<std::string> srclists;
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if(type == cmTarget::INTERFACE_LIBRARY)
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{
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if (!cmGeneratorExpression::IsValidTargetName(libName)
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|| libName.find("::") != std::string::npos)
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{
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cmOStringStream e;
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e << "Invalid name for INTERFACE library target: " << libName;
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this->SetError(e.str());
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return false;
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}
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this->Makefile->AddLibrary(libName,
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type,
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srclists,
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excludeFromAll);
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return true;
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}
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if (s == args.end())
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{
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std::string msg = "You have called ADD_LIBRARY for library ";
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msg += args[0];
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msg += " without any source files. This typically indicates a problem ";
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msg += "with your CMakeLists.txt file";
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cmSystemTools::Message(msg.c_str() ,"Warning");
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}
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while (s != args.end())
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{
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srclists.push_back(*s);
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++s;
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}
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this->Makefile->AddLibrary(libName, type, srclists, excludeFromAll);
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return true;
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}
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