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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.
============================================================================*/
#include "cmAddLibraryCommand.h"
#include "cmake.h"
// cmLibraryCommand
bool cmAddLibraryCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 1 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
// Library type defaults to value of BUILD_SHARED_LIBS, if it exists,
// otherwise it defaults to static library.
cmTarget::TargetType type = cmTarget::SHARED_LIBRARY;
if (cmSystemTools::IsOff(this->Makefile->GetDefinition("BUILD_SHARED_LIBS")))
{
type = cmTarget::STATIC_LIBRARY;
}
bool excludeFromAll = false;
bool importTarget = false;
bool importGlobal = false;
std::vector<std::string>::const_iterator s = args.begin();
std::string libName = *s;
++s;
// If the second argument is "SHARED" or "STATIC", then it controls
// the type of library. Otherwise, it is treated as a source or
// source list name. There may be two keyword arguments, check for them
bool haveSpecifiedType = false;
while ( s != args.end() )
{
std::string libType = *s;
if(libType == "STATIC")
{
++s;
type = cmTarget::STATIC_LIBRARY;
haveSpecifiedType = true;
}
else if(libType == "SHARED")
{
++s;
type = cmTarget::SHARED_LIBRARY;
haveSpecifiedType = true;
}
else if(libType == "MODULE")
{
++s;
type = cmTarget::MODULE_LIBRARY;
haveSpecifiedType = true;
}
else if(libType == "OBJECT")
{
++s;
type = cmTarget::OBJECT_LIBRARY;
haveSpecifiedType = true;
}
else if(libType == "UNKNOWN")
{
++s;
type = cmTarget::UNKNOWN_LIBRARY;
haveSpecifiedType = true;
}
else if(*s == "EXCLUDE_FROM_ALL")
{
++s;
excludeFromAll = true;
}
else if(*s == "IMPORTED")
{
++s;
importTarget = true;
}
else if(importTarget && *s == "GLOBAL")
{
++s;
importGlobal = true;
}
else
{
break;
}
}
/* ideally we should check whether for the linker language of the target
CMAKE_${LANG}_CREATE_SHARED_LIBRARY is defined and if not default to
STATIC. But at this point we know only the name of the target, but not
yet its linker language. */
if ((type != cmTarget::STATIC_LIBRARY) &&
(type != cmTarget::OBJECT_LIBRARY) &&
(this->Makefile->GetCMakeInstance()->GetPropertyAsBool(
"TARGET_SUPPORTS_SHARED_LIBS") == false))
{
cmOStringStream w;
w <<
"ADD_LIBRARY called with " <<
(type==cmTarget::SHARED_LIBRARY ? "SHARED" : "MODULE") <<
" option but the target platform does not support dynamic linking. "
"Building a STATIC library instead. This may lead to problems.";
this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str());
type = cmTarget::STATIC_LIBRARY;
}
// Handle imported target creation.
if(importTarget)
{
// The IMPORTED signature requires a type to be specified explicitly.
if (!haveSpecifiedType)
{
this->SetError("called with IMPORTED argument but no library type.");
return false;
}
if(type == cmTarget::OBJECT_LIBRARY)
{
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"The OBJECT library type may not be used for IMPORTED libraries."
);
return true;
}
// Make sure the target does not already exist.
if(this->Makefile->FindTargetToUse(libName.c_str()))
{
cmOStringStream e;
e << "cannot create imported target \"" << libName
<< "\" because another target with the same name already exists.";
this->SetError(e.str().c_str());
return false;
}
// Create the imported target.
this->Makefile->AddImportedTarget(libName.c_str(), type, importGlobal);
return true;
}
// A non-imported target may not have UNKNOWN type.
if(type == cmTarget::UNKNOWN_LIBRARY)
{
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"The UNKNOWN library type may be used only for IMPORTED libraries."
);
return true;
}
// Enforce name uniqueness.
{
std::string msg;
if(!this->Makefile->EnforceUniqueName(libName, msg))
{
this->SetError(msg.c_str());
return false;
}
}
if (s == args.end())
{
std::string msg = "You have called ADD_LIBRARY for library ";
msg += args[0];
msg += " without any source files. This typically indicates a problem ";
msg += "with your CMakeLists.txt file";
cmSystemTools::Message(msg.c_str() ,"Warning");
}
std::vector<std::string> srclists;
while (s != args.end())
{
srclists.push_back(*s);
++s;
}
this->Makefile->AddLibrary(libName.c_str(), type, srclists, excludeFromAll);
return true;
}
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