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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 "cmIncludeCommand.h"
// cmIncludeCommand
bool cmIncludeCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if (args.size()< 1 || args.size() > 4)
{
this->SetError("called with wrong number of arguments. "
"include() only takes one file.");
return false;
}
bool optional = false;
bool noPolicyScope = false;
std::string fname = args[0];
std::string resultVarName;
for (unsigned int i=1; i<args.size(); i++)
{
if (args[i] == "OPTIONAL")
{
if (optional)
{
this->SetError("called with invalid arguments: OPTIONAL used twice");
return false;
}
optional = true;
}
else if(args[i] == "RESULT_VARIABLE")
{
if (!resultVarName.empty())
{
this->SetError("called with invalid arguments: "
"only one result variable allowed");
return false;
}
if(++i < args.size())
{
resultVarName = args[i];
}
else
{
this->SetError("called with no value for RESULT_VARIABLE.");
return false;
}
}
else if(args[i] == "NO_POLICY_SCOPE")
{
noPolicyScope = true;
}
else if(i > 1) // compat.: in previous cmake versions the second
// parameter was ignored if it wasn't "OPTIONAL"
{
std::string errorText = "called with invalid argument: ";
errorText += args[i];
this->SetError(errorText);
return false;
}
}
if(fname.empty())
{
this->Makefile->IssueMessage(cmake::AUTHOR_WARNING,
"include() given empty file name (ignored).");
return true;
}
if(!cmSystemTools::FileIsFullPath(fname.c_str()))
{
// Not a path. Maybe module.
std::string module = fname;
module += ".cmake";
std::string mfile = this->Makefile->GetModulesFile(module.c_str());
if (!mfile.empty())
{
fname = mfile.c_str();
}
}
std::string fname_abs =
cmSystemTools::CollapseFullPath(fname,
this->Makefile->GetCurrentSourceDirectory());
cmGlobalGenerator *gg = this->Makefile->GetLocalGenerator()
->GetGlobalGenerator();
if (gg->IsExportedTargetsFile(fname_abs))
{
const char *modal = 0;
std::ostringstream e;
cmake::MessageType messageType = cmake::AUTHOR_WARNING;
switch(this->Makefile->GetPolicyStatus(cmPolicies::CMP0024))
{
case cmPolicies::WARN:
e << (this->Makefile->GetPolicies()
->GetPolicyWarning(cmPolicies::CMP0024)) << "\n";
modal = "should";
case cmPolicies::OLD:
break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
modal = "may";
messageType = cmake::FATAL_ERROR;
}
if (modal)
{
e << "The file\n " << fname_abs << "\nwas generated by the export() "
"command. It " << modal << " not be used as the argument to the "
"include() command. Use ALIAS targets instead to refer to targets "
"by alternative names.\n";
this->Makefile->IssueMessage(messageType, e.str());
if (messageType == cmake::FATAL_ERROR)
{
return false;
}
}
gg->GenerateImportFile(fname_abs);
}
bool readit =
this->Makefile->ReadDependentFile(fname.c_str(), noPolicyScope);
// add the location of the included file if a result variable was given
if (!resultVarName.empty())
{
this->Makefile->AddDefinition(resultVarName,
readit?fname_abs.c_str():"NOTFOUND");
}
if(!optional && !readit && !cmSystemTools::GetFatalErrorOccured())
{
std::string m =
"could not find load file:\n"
" ";
m += fname;
this->SetError(m);
return false;
}
return true;
}
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