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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmTargetLinkLibrariesCommand.h"
const char* cmTargetLinkLibrariesCommand::LinkLibraryTypeNames[3] =
{
"general",
"debug",
"optimized"
};
// cmTargetLinkLibrariesCommand
bool cmTargetLinkLibrariesCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
// must have one argument
if(args.size() < 1)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// but we might not have any libs after variable expansion
if(args.size() < 2)
{
return true;
}
// Keep track of link configuration specifiers.
cmTarget::LinkLibraryType llt = cmTarget::GENERAL;
bool haveLLT = false;
// add libraries, nothe that there is an optional prefix
// of debug and optimized than can be used
std::vector<std::string>::const_iterator i = args.begin();
for(++i; i != args.end(); ++i)
{
if(*i == "debug")
{
if(haveLLT)
{
this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::DEBUG);
}
llt = cmTarget::DEBUG;
haveLLT = true;
}
else if(*i == "optimized")
{
if(haveLLT)
{
this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::OPTIMIZED);
}
llt = cmTarget::OPTIMIZED;
haveLLT = true;
}
else if(*i == "general")
{
if(haveLLT)
{
this->LinkLibraryTypeSpecifierWarning(llt, cmTarget::GENERAL);
}
llt = cmTarget::GENERAL;
haveLLT = true;
}
else if(haveLLT)
{
// The link type was specified by the previous argument.
haveLLT = false;
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),
i->c_str(), llt);
}
else
{
// Lookup old-style cache entry if type is unspecified. So if you
// do a target_link_libraries(foo optimized bar) it will stay optimized
// and not use the lookup. As there maybe the case where someone has
// specifed that a library is both debug and optimized. (this check is
// only there for backwards compatibility when mixing projects built
// with old versions of CMake and new)
llt = cmTarget::GENERAL;
std::string linkType = args[0];
linkType += "_LINK_TYPE";
const char* linkTypeString =
this->Makefile->GetDefinition( linkType.c_str() );
if(linkTypeString)
{
if(strcmp(linkTypeString, "debug") == 0)
{
llt = cmTarget::DEBUG;
}
if(strcmp(linkTypeString, "optimized") == 0)
{
llt = cmTarget::OPTIMIZED;
}
}
this->Makefile->AddLinkLibraryForTarget(args[0].c_str(),i->c_str(),llt);
}
}
// Make sure the last argument was not a library type specifier.
if(haveLLT)
{
cmOStringStream e;
e << "The \"" << this->LinkLibraryTypeNames[llt]
<< "\" argument must be followed by a library.";
this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
cmSystemTools::SetFatalErrorOccured();
}
return true;
}
//----------------------------------------------------------------------------
void
cmTargetLinkLibrariesCommand
::LinkLibraryTypeSpecifierWarning(int left, int right)
{
cmOStringStream w;
w << "Link library type specifier \""
<< this->LinkLibraryTypeNames[left] << "\" is followed by specifier \""
<< this->LinkLibraryTypeNames[right] << "\" instead of a library name. "
<< "The first specifier will be ignored.";
this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str());
}
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