mirror of
https://github.com/reactos/CMake.git
synced 2024-12-15 23:57:44 +00:00
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*============================================================================
|
|
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 "cmVariableRequiresCommand.h"
|
|
#include "cmState.h"
|
|
|
|
// cmLibraryCommand
|
|
bool cmVariableRequiresCommand
|
|
::InitialPass(std::vector<std::string>const& args, cmExecutionStatus &)
|
|
{
|
|
if(this->Disallowed(cmPolicies::CMP0035,
|
|
"The variable_requires command should not be called; see CMP0035."))
|
|
{ return true; }
|
|
if(args.size() < 3 )
|
|
{
|
|
this->SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
std::string testVariable = args[0];
|
|
if(!this->Makefile->IsOn(testVariable))
|
|
{
|
|
return true;
|
|
}
|
|
std::string resultVariable = args[1];
|
|
bool requirementsMet = true;
|
|
std::string notSet;
|
|
bool hasAdvanced = false;
|
|
cmState* state = this->Makefile->GetState();
|
|
for(unsigned int i = 2; i < args.size(); ++i)
|
|
{
|
|
if(!this->Makefile->IsOn(args[i]))
|
|
{
|
|
requirementsMet = false;
|
|
notSet += args[i];
|
|
notSet += "\n";
|
|
if(state->GetCacheEntryValue(args[i]) &&
|
|
state->GetCacheEntryPropertyAsBool(args[i], "ADVANCED"))
|
|
{
|
|
hasAdvanced = true;
|
|
}
|
|
}
|
|
}
|
|
const char* reqVar = this->Makefile->GetDefinition(resultVariable);
|
|
// if reqVar is unset, then set it to requirementsMet
|
|
// if reqVar is set to true, but requirementsMet is false , then
|
|
// set reqVar to false.
|
|
if(!reqVar || (!requirementsMet && this->Makefile->IsOn(reqVar)))
|
|
{
|
|
this->Makefile->AddDefinition(resultVariable, requirementsMet);
|
|
}
|
|
|
|
if(!requirementsMet)
|
|
{
|
|
std::string message = "Variable assertion failed:\n";
|
|
message += testVariable +
|
|
" Requires that the following unset variables are set:\n";
|
|
message += notSet;
|
|
message += "\nPlease set them, or set ";
|
|
message += testVariable + " to false, and re-configure.\n";
|
|
if(hasAdvanced)
|
|
{
|
|
message +=
|
|
"One or more of the required variables is advanced."
|
|
" To set the variable, you must turn on advanced mode in cmake.";
|
|
}
|
|
cmSystemTools::Error(message.c_str());
|
|
}
|
|
|
|
return true;
|
|
}
|