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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmTargetSourcesCommand.h"
#include <sstream>
#include "cmGeneratorExpression.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTargetPropCommandBase.h"
namespace {
class TargetSourcesImpl : public cmTargetPropCommandBase
{
public:
using cmTargetPropCommandBase::cmTargetPropCommandBase;
protected:
void HandleInterfaceContent(cmTarget* tgt,
const std::vector<std::string>& content,
bool prepend, bool system) override
{
cmTargetPropCommandBase::HandleInterfaceContent(
tgt, ConvertToAbsoluteContent(tgt, content, true), prepend, system);
}
private:
void HandleMissingTarget(const std::string& name) override
{
this->Makefile->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat("Cannot specify sources for target \"", name,
"\" which is not built by this project."));
}
bool HandleDirectContent(cmTarget* tgt,
const std::vector<std::string>& content,
bool /*prepend*/, bool /*system*/) override
{
tgt->AppendProperty(
"SOURCES", this->Join(ConvertToAbsoluteContent(tgt, content, false)));
return true; // Successfully handled.
}
std::string Join(const std::vector<std::string>& content) override
{
return cmJoin(content, ";");
}
std::vector<std::string> ConvertToAbsoluteContent(
cmTarget* tgt, const std::vector<std::string>& content,
bool isInterfaceContent);
};
std::vector<std::string> TargetSourcesImpl::ConvertToAbsoluteContent(
cmTarget* tgt, const std::vector<std::string>& content,
bool isInterfaceContent)
{
// Skip conversion in case old behavior has been explicitly requested
if (this->Makefile->GetPolicyStatus(cmPolicies::CMP0076) ==
cmPolicies::OLD) {
return content;
}
bool changedPath = false;
std::vector<std::string> absoluteContent;
absoluteContent.reserve(content.size());
for (std::string const& src : content) {
std::string absoluteSrc;
if (cmSystemTools::FileIsFullPath(src) ||
cmGeneratorExpression::Find(src) == 0 ||
(!isInterfaceContent &&
(this->Makefile->GetCurrentSourceDirectory() ==
tgt->GetMakefile()->GetCurrentSourceDirectory()))) {
absoluteSrc = src;
} else {
changedPath = true;
absoluteSrc =
cmStrCat(this->Makefile->GetCurrentSourceDirectory(), '/', src);
}
absoluteContent.push_back(absoluteSrc);
}
if (!changedPath) {
return content;
}
bool issueMessage = true;
bool useAbsoluteContent = false;
std::ostringstream e;
switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0076)) {
case cmPolicies::WARN:
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0076) << "\n";
break;
case cmPolicies::OLD:
issueMessage = false;
break;
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::REQUIRED_IF_USED:
this->Makefile->IssueMessage(
MessageType::FATAL_ERROR,
cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0076));
break;
case cmPolicies::NEW: {
issueMessage = false;
useAbsoluteContent = true;
break;
}
}
if (issueMessage) {
if (isInterfaceContent) {
e << "An interface source of target \"" << tgt->GetName()
<< "\" has a relative path.";
} else {
e << "A private source from a directory other than that of target \""
<< tgt->GetName() << "\" has a relative path.";
}
this->Makefile->IssueMessage(MessageType::AUTHOR_WARNING, e.str());
}
return useAbsoluteContent ? absoluteContent : content;
}
} // namespace
bool cmTargetSourcesCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
return TargetSourcesImpl(status).HandleArguments(args, "SOURCES");
}
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