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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
/* clang-format off */
#include "cmGeneratorTarget.h"
/* clang-format on */
#include <map>
#include <sstream>
#include <string>
#include <unordered_set>
#include <utility>
#include <vector>
#include <cmext/algorithm>
#include "cmEvaluatedTargetProperty.h"
#include "cmGenExContext.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmLinkItem.h"
#include "cmList.h"
#include "cmListFileCache.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmValue.h"
#include "cmake.h"
namespace {
void processLinkDirectories(cmGeneratorTarget const* tgt,
EvaluatedTargetPropertyEntries& entries,
std::vector<BT<std::string>>& directories,
std::unordered_set<std::string>& uniqueDirectories,
bool debugDirectories)
{
for (EvaluatedTargetPropertyEntry& entry : entries.Entries) {
cmLinkItem const& item = entry.LinkItem;
std::string const& targetName = item.AsStr();
std::string usedDirectories;
for (std::string& entryDirectory : entry.Values) {
if (!cmSystemTools::FileIsFullPath(entryDirectory)) {
std::ostringstream e;
bool noMessage = false;
MessageType messageType = MessageType::FATAL_ERROR;
if (!targetName.empty()) {
/* clang-format off */
e << "Target \"" << targetName << "\" contains relative "
"path in its INTERFACE_LINK_DIRECTORIES:\n"
" \"" << entryDirectory << "\"";
/* clang-format on */
} else {
switch (tgt->GetPolicyStatusCMP0081()) {
case cmPolicies::WARN: {
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0081) << "\n";
messageType = MessageType::AUTHOR_WARNING;
} break;
case cmPolicies::OLD:
noMessage = true;
break;
case cmPolicies::NEW:
// Issue the fatal message.
break;
}
e << "Found relative path while evaluating link directories of "
"\""
<< tgt->GetName() << "\":\n \"" << entryDirectory << "\"\n";
}
if (!noMessage) {
tgt->GetLocalGenerator()->IssueMessage(messageType, e.str());
if (messageType == MessageType::FATAL_ERROR) {
return;
}
}
}
// Sanitize the path the same way the link_directories command does
// in case projects set the LINK_DIRECTORIES property directly.
cmSystemTools::ConvertToUnixSlashes(entryDirectory);
if (uniqueDirectories.insert(entryDirectory).second) {
directories.emplace_back(entryDirectory, entry.Backtrace);
if (debugDirectories) {
usedDirectories += " * " + entryDirectory + "\n";
}
}
}
if (!usedDirectories.empty()) {
tgt->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
MessageType::LOG,
std::string("Used link directories for target ") + tgt->GetName() +
":\n" + usedDirectories,
entry.Backtrace);
}
}
}
}
void cmGeneratorTarget::GetLinkDirectories(std::vector<std::string>& result,
std::string const& config,
std::string const& language) const
{
std::vector<BT<std::string>> tmp =
this->GetLinkDirectories(config, language);
result.reserve(tmp.size());
for (BT<std::string>& v : tmp) {
result.emplace_back(std::move(v.Value));
}
}
std::vector<BT<std::string>> cmGeneratorTarget::GetLinkDirectories(
std::string const& config, std::string const& language) const
{
ConfigAndLanguage cacheKey(
config, cmStrCat(language, this->IsDeviceLink() ? "-device" : ""));
{
auto it = this->LinkDirectoriesCache.find(cacheKey);
if (it != this->LinkDirectoriesCache.end()) {
return it->second;
}
}
std::vector<BT<std::string>> result;
std::unordered_set<std::string> uniqueDirectories;
cm::GenEx::Context context(this->LocalGenerator, config, language);
cmGeneratorExpressionDAGChecker dagChecker{
this, "LINK_DIRECTORIES", nullptr, nullptr, context,
};
cmList debugProperties{ this->Makefile->GetDefinition(
"CMAKE_DEBUG_TARGET_PROPERTIES") };
bool debugDirectories = !this->DebugLinkDirectoriesDone &&
cm::contains(debugProperties, "LINK_DIRECTORIES");
this->DebugLinkDirectoriesDone = true;
EvaluatedTargetPropertyEntries entries = EvaluateTargetPropertyEntries(
this, context, &dagChecker, this->LinkDirectoriesEntries);
AddInterfaceEntries(this, "INTERFACE_LINK_DIRECTORIES", context, &dagChecker,
entries, IncludeRuntimeInterface::Yes,
this->GetPolicyStatusCMP0099() == cmPolicies::NEW
? UseTo::Link
: UseTo::Compile);
processLinkDirectories(this, entries, result, uniqueDirectories,
debugDirectories);
this->LinkDirectoriesCache.emplace(cacheKey, result);
return result;
}
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