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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 "cmExportFileGenerator.h"
#include <array>
#include <cstddef>
#include <sstream>
#include <utility>
#include <cm/memory>
#include <cm/string_view>
#include <cmext/string_view>
#include "cmsys/FStream.hxx"
#include "cmComputeLinkInformation.h"
#include "cmFindPackageStack.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorTarget.h"
#include "cmLinkItem.h"
#include "cmList.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPropertyMap.h"
#include "cmStateTypes.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmValue.h"
cmExportFileGenerator::cmExportFileGenerator() = default;
void cmExportFileGenerator::AddConfiguration(std::string const& config)
{
this->Configurations.push_back(config);
}
void cmExportFileGenerator::SetExportFile(char const* mainFile)
{
this->MainImportFile = mainFile;
this->FileDir = cmSystemTools::GetFilenamePath(this->MainImportFile);
this->FileBase =
cmSystemTools::GetFilenameWithoutLastExtension(this->MainImportFile);
this->FileExt =
cmSystemTools::GetFilenameLastExtension(this->MainImportFile);
}
std::string const& cmExportFileGenerator::GetMainExportFileName() const
{
return this->MainImportFile;
}
bool cmExportFileGenerator::GenerateImportFile()
{
// Open the output file to generate it.
std::unique_ptr<cmsys::ofstream> foutPtr;
if (this->AppendMode) {
// Open for append.
auto openmodeApp = std::ios::app;
foutPtr = cm::make_unique<cmsys::ofstream>(this->MainImportFile.c_str(),
openmodeApp);
} else {
// Generate atomically and with copy-if-different.
std::unique_ptr<cmGeneratedFileStream> ap(
new cmGeneratedFileStream(this->MainImportFile, true));
ap->SetCopyIfDifferent(true);
foutPtr = std::move(ap);
}
if (!foutPtr || !*foutPtr) {
std::string se = cmSystemTools::GetLastSystemError();
std::ostringstream e;
e << "cannot write to file \"" << this->MainImportFile << "\": " << se;
cmSystemTools::Error(e.str());
return false;
}
return this->GenerateImportFile(*foutPtr);
}
void cmExportFileGenerator::GenerateImportConfig(std::ostream& os,
std::string const& config)
{
// Construct the property configuration suffix.
std::string suffix = "_";
if (!config.empty()) {
suffix += cmSystemTools::UpperCase(config);
} else {
suffix += "NOCONFIG";
}
// Generate the per-config target information.
this->GenerateImportTargetsConfig(os, config, suffix);
}
bool cmExportFileGenerator::PopulateInterfaceProperties(
cmGeneratorTarget const* target, std::string const& includesDestinationDirs,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties)
{
this->PopulateInterfaceProperty("INTERFACE_COMPILE_DEFINITIONS", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_COMPILE_OPTIONS", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_PRECOMPILE_HEADERS", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_AUTOUIC_OPTIONS", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_AUTOMOC_MACRO_NAMES", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_COMPILE_FEATURES", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_LINK_OPTIONS", target,
preprocessRule, properties);
this->PopulateInterfaceProperty("INTERFACE_POSITION_INDEPENDENT_CODE",
target, properties);
std::string errorMessage;
if (!this->PopulateCxxModuleExportProperties(
target, properties, preprocessRule, includesDestinationDirs,
errorMessage)) {
this->ReportError(errorMessage);
return false;
}
if (!this->PopulateExportProperties(target, properties, errorMessage)) {
this->ReportError(errorMessage);
return false;
}
this->PopulateCompatibleInterfaceProperties(target, properties);
this->PopulateCustomTransitiveInterfaceProperties(target, preprocessRule,
properties);
return true;
}
void cmExportFileGenerator::PopulateInterfaceProperty(
std::string const& propName, cmGeneratorTarget const* target,
ImportPropertyMap& properties) const
{
cmValue input = target->GetProperty(propName);
if (input) {
properties[propName] = *input;
}
}
void cmExportFileGenerator::PopulateInterfaceProperty(
std::string const& propName, std::string const& outputName,
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties)
{
cmValue input = target->GetProperty(propName);
if (input) {
if (input->empty()) {
// Set to empty
properties[outputName].clear();
return;
}
std::string prepro =
cmGeneratorExpression::Preprocess(*input, preprocessRule);
if (!prepro.empty()) {
this->ResolveTargetsInGeneratorExpressions(prepro, target);
properties[outputName] = prepro;
}
}
}
void cmExportFileGenerator::PopulateInterfaceProperty(
std::string const& propName, cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties)
{
this->PopulateInterfaceProperty(propName, propName, target, preprocessRule,
properties);
}
bool cmExportFileGenerator::PopulateInterfaceLinkLibrariesProperty(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties)
{
if (!target->IsLinkable()) {
return false;
}
static std::array<std::string, 3> const linkIfaceProps = {
{ "INTERFACE_LINK_LIBRARIES", "INTERFACE_LINK_LIBRARIES_DIRECT",
"INTERFACE_LINK_LIBRARIES_DIRECT_EXCLUDE" }
};
bool hadINTERFACE_LINK_LIBRARIES = false;
for (std::string const& linkIfaceProp : linkIfaceProps) {
if (cmValue input = target->GetProperty(linkIfaceProp)) {
std::string prepro =
cmGeneratorExpression::Preprocess(*input, preprocessRule);
if (!prepro.empty()) {
this->ResolveTargetsInGeneratorExpressions(prepro, target,
ReplaceFreeTargets);
properties[linkIfaceProp] = prepro;
hadINTERFACE_LINK_LIBRARIES = true;
}
}
}
return hadINTERFACE_LINK_LIBRARIES;
}
void cmExportFileGenerator::AddImportPrefix(std::string& exportDirs) const
{
std::vector<std::string> entries;
cmGeneratorExpression::Split(exportDirs, entries);
exportDirs.clear();
char const* sep = "";
cm::string_view const& prefixWithSlash = this->GetImportPrefixWithSlash();
for (std::string const& e : entries) {
exportDirs += sep;
sep = ";";
if (!cmSystemTools::FileIsFullPath(e) &&
!cmHasPrefix(e, prefixWithSlash)) {
exportDirs += prefixWithSlash;
}
exportDirs += e;
}
}
namespace {
void getPropertyContents(cmGeneratorTarget const* tgt, std::string const& prop,
std::set<std::string>& ifaceProperties)
{
cmValue p = tgt->GetProperty(prop);
if (!p) {
return;
}
cmList content{ *p };
ifaceProperties.insert(content.begin(), content.end());
}
void getCompatibleInterfaceProperties(cmGeneratorTarget const* target,
std::set<std::string>& ifaceProperties,
std::string const& config)
{
if (target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
// object libraries have no link information, so nothing to compute
return;
}
cmComputeLinkInformation* info = target->GetLinkInformation(config);
if (!info) {
cmLocalGenerator* lg = target->GetLocalGenerator();
std::ostringstream e;
e << "Exporting the target \"" << target->GetName()
<< "\" is not "
"allowed since its linker language cannot be determined";
lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
return;
}
cmComputeLinkInformation::ItemVector const& deps = info->GetItems();
for (auto const& dep : deps) {
if (!dep.Target || dep.Target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
continue;
}
getPropertyContents(dep.Target, "COMPATIBLE_INTERFACE_BOOL",
ifaceProperties);
getPropertyContents(dep.Target, "COMPATIBLE_INTERFACE_STRING",
ifaceProperties);
getPropertyContents(dep.Target, "COMPATIBLE_INTERFACE_NUMBER_MIN",
ifaceProperties);
getPropertyContents(dep.Target, "COMPATIBLE_INTERFACE_NUMBER_MAX",
ifaceProperties);
}
}
}
void cmExportFileGenerator::PopulateCompatibleInterfaceProperties(
cmGeneratorTarget const* gtarget, ImportPropertyMap& properties) const
{
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_BOOL", gtarget,
properties);
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_STRING", gtarget,
properties);
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_NUMBER_MIN", gtarget,
properties);
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_NUMBER_MAX", gtarget,
properties);
std::set<std::string> ifaceProperties;
getPropertyContents(gtarget, "COMPATIBLE_INTERFACE_BOOL", ifaceProperties);
getPropertyContents(gtarget, "COMPATIBLE_INTERFACE_STRING", ifaceProperties);
getPropertyContents(gtarget, "COMPATIBLE_INTERFACE_NUMBER_MIN",
ifaceProperties);
getPropertyContents(gtarget, "COMPATIBLE_INTERFACE_NUMBER_MAX",
ifaceProperties);
if (gtarget->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
std::vector<std::string> configNames =
gtarget->Target->GetMakefile()->GetGeneratorConfigs(
cmMakefile::IncludeEmptyConfig);
for (std::string const& cn : configNames) {
getCompatibleInterfaceProperties(gtarget, ifaceProperties, cn);
}
}
for (std::string const& ip : ifaceProperties) {
this->PopulateInterfaceProperty("INTERFACE_" + ip, gtarget, properties);
}
}
void cmExportFileGenerator::PopulateCustomTransitiveInterfaceProperties(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties)
{
this->PopulateInterfaceProperty("TRANSITIVE_COMPILE_PROPERTIES", target,
properties);
this->PopulateInterfaceProperty("TRANSITIVE_LINK_PROPERTIES", target,
properties);
cmGeneratorTarget::CheckLinkLibrariesSuppressionRAII cllSuppressRAII;
std::set<std::string> ifaceProperties;
for (std::string const& config : this->Configurations) {
for (auto const& i : target->GetCustomTransitiveProperties(
config, cmGeneratorTarget::PropertyFor::Interface)) {
ifaceProperties.emplace(i.second.InterfaceName);
}
}
for (std::string const& ip : ifaceProperties) {
this->PopulateInterfaceProperty(ip, target, preprocessRule, properties);
}
}
bool cmExportFileGenerator::NoteLinkedTarget(
cmGeneratorTarget const* /*target*/, std::string const& /*linkedName*/,
cmGeneratorTarget const* /*linkedTarget*/)
{
// Default implementation does nothing; only needed by some generators.
return true;
}
bool cmExportFileGenerator::AddTargetNamespace(std::string& input,
cmGeneratorTarget const* target,
cmLocalGenerator const* lg)
{
cmGeneratorTarget::TargetOrString resolved =
target->ResolveTargetReference(input, lg);
cmGeneratorTarget* tgt = resolved.Target;
if (!tgt) {
input = resolved.String;
return false;
}
cmFindPackageStack const& pkgStack = tgt->Target->GetFindPackageStack();
if (!pkgStack.Empty() ||
tgt->Target->GetProperty("EXPORT_FIND_PACKAGE_NAME")) {
this->ExternalTargets.emplace(tgt);
}
if (tgt->IsImported()) {
input = tgt->GetName();
return this->NoteLinkedTarget(target, input, tgt);
}
if (this->ExportedTargets.find(tgt) != this->ExportedTargets.end()) {
input = this->Namespace + tgt->GetExportName();
} else {
std::string namespacedTarget;
this->HandleMissingTarget(namespacedTarget, target, tgt);
if (!namespacedTarget.empty()) {
input = namespacedTarget;
} else {
input = tgt->GetName();
}
}
return this->NoteLinkedTarget(target, input, tgt);
}
void cmExportFileGenerator::ResolveTargetsInGeneratorExpressions(
std::string& input, cmGeneratorTarget const* target,
FreeTargetsReplace replace)
{
cmLocalGenerator const* lg = target->GetLocalGenerator();
if (replace == NoReplaceFreeTargets) {
this->ResolveTargetsInGeneratorExpression(input, target, lg);
return;
}
std::vector<std::string> parts;
cmGeneratorExpression::Split(input, parts);
std::string sep;
input.clear();
for (std::string& li : parts) {
if (target->IsLinkLookupScope(li, lg)) {
continue;
}
if (cmGeneratorExpression::Find(li) == std::string::npos) {
this->AddTargetNamespace(li, target, lg);
} else {
this->ResolveTargetsInGeneratorExpression(li, target, lg);
}
input += sep + li;
sep = ";";
}
}
void cmExportFileGenerator::ResolveTargetsInGeneratorExpression(
std::string& input, cmGeneratorTarget const* target,
cmLocalGenerator const* lg)
{
std::string::size_type pos = 0;
std::string::size_type lastPos = pos;
while ((pos = input.find("$<TARGET_PROPERTY:", lastPos)) !=
std::string::npos) {
std::string::size_type nameStartPos = pos + cmStrLen("$<TARGET_PROPERTY:");
std::string::size_type closePos = input.find('>', nameStartPos);
std::string::size_type commaPos = input.find(',', nameStartPos);
std::string::size_type nextOpenPos = input.find("$<", nameStartPos);
if (commaPos == std::string::npos // Implied 'this' target
|| closePos == std::string::npos // Incomplete expression.
|| closePos < commaPos // Implied 'this' target
|| nextOpenPos < commaPos) // Non-literal
{
lastPos = nameStartPos;
continue;
}
std::string targetName =
input.substr(nameStartPos, commaPos - nameStartPos);
if (this->AddTargetNamespace(targetName, target, lg)) {
input.replace(nameStartPos, commaPos - nameStartPos, targetName);
}
lastPos = nameStartPos + targetName.size() + 1;
}
std::string errorString;
pos = 0;
lastPos = pos;
while ((pos = input.find("$<TARGET_NAME:", lastPos)) != std::string::npos) {
std::string::size_type nameStartPos = pos + cmStrLen("$<TARGET_NAME:");
std::string::size_type endPos = input.find('>', nameStartPos);
if (endPos == std::string::npos) {
errorString = "$<TARGET_NAME:...> expression incomplete";
break;
}
std::string targetName = input.substr(nameStartPos, endPos - nameStartPos);
if (targetName.find("$<") != std::string::npos) {
errorString = "$<TARGET_NAME:...> requires its parameter to be a "
"literal.";
break;
}
if (!this->AddTargetNamespace(targetName, target, lg)) {
errorString = "$<TARGET_NAME:...> requires its parameter to be a "
"reachable target.";
break;
}
input.replace(pos, endPos - pos + 1, targetName);
lastPos = pos + targetName.size();
}
pos = 0;
lastPos = pos;
while (errorString.empty() &&
(pos = input.find("$<LINK_ONLY:", lastPos)) != std::string::npos) {
std::string::size_type nameStartPos = pos + cmStrLen("$<LINK_ONLY:");
std::string::size_type endPos = input.find('>', nameStartPos);
if (endPos == std::string::npos) {
errorString = "$<LINK_ONLY:...> expression incomplete";
break;
}
std::string libName = input.substr(nameStartPos, endPos - nameStartPos);
if (cmGeneratorExpression::IsValidTargetName(libName) &&
this->AddTargetNamespace(libName, target, lg)) {
input.replace(nameStartPos, endPos - nameStartPos, libName);
}
lastPos = nameStartPos + libName.size() + 1;
}
while (errorString.empty() &&
(pos = input.find("$<COMPILE_ONLY:", lastPos)) != std::string::npos) {
std::string::size_type nameStartPos = pos + cmStrLen("$<COMPILE_ONLY:");
std::string::size_type endPos = input.find('>', nameStartPos);
if (endPos == std::string::npos) {
errorString = "$<COMPILE_ONLY:...> expression incomplete";
break;
}
std::string libName = input.substr(nameStartPos, endPos - nameStartPos);
if (cmGeneratorExpression::IsValidTargetName(libName) &&
this->AddTargetNamespace(libName, target, lg)) {
input.replace(nameStartPos, endPos - nameStartPos, libName);
}
lastPos = nameStartPos + libName.size() + 1;
}
this->ReplaceInstallPrefix(input);
if (!errorString.empty()) {
target->GetLocalGenerator()->IssueMessage(MessageType::FATAL_ERROR,
errorString);
}
}
void cmExportFileGenerator::ReplaceInstallPrefix(std::string& /*unused*/) const
{
// Do nothing
}
void cmExportFileGenerator::SetImportDetailProperties(
std::string const& config, std::string const& suffix,
cmGeneratorTarget const* target, ImportPropertyMap& properties)
{
// Get the makefile in which to lookup target information.
cmMakefile* mf = target->Makefile;
// Add the soname for unix shared libraries.
if (target->GetType() == cmStateEnums::SHARED_LIBRARY ||
target->GetType() == cmStateEnums::MODULE_LIBRARY) {
if (!target->IsDLLPlatform()) {
std::string prop;
std::string value;
if (target->HasSOName(config)) {
if (mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
value = this->InstallNameDir(target, config);
}
prop = "IMPORTED_SONAME";
value += target->GetSOName(config);
} else {
prop = "IMPORTED_NO_SONAME";
value = "TRUE";
}
prop += suffix;
properties[prop] = value;
}
}
// Add the transitive link dependencies for this configuration.
if (cmLinkInterface const* iface =
target->GetLinkInterface(config, target)) {
this->SetImportLinkProperty(
suffix, target, "IMPORTED_LINK_INTERFACE_LANGUAGES", iface->Languages,
properties, ImportLinkPropertyTargetNames::No);
// Export IMPORTED_LINK_DEPENDENT_LIBRARIES to help consuming linkers
// find private dependencies of shared libraries.
std::size_t oldMissingTargetsSize = this->MissingTargets.size();
auto oldExternalTargets = this->ExternalTargets;
this->SetImportLinkProperty(
suffix, target, "IMPORTED_LINK_DEPENDENT_LIBRARIES", iface->SharedDeps,
properties, ImportLinkPropertyTargetNames::Yes);
// Avoid enforcing shared library private dependencies as public package
// dependencies by ignoring missing targets added for them.
this->MissingTargets.resize(oldMissingTargetsSize);
this->ExternalTargets = std::move(oldExternalTargets);
if (iface->Multiplicity > 0) {
std::string prop =
cmStrCat("IMPORTED_LINK_INTERFACE_MULTIPLICITY", suffix);
properties[prop] = std::to_string(iface->Multiplicity);
}
}
// Add information if this target is a managed target
if (target->GetManagedType(config) !=
cmGeneratorTarget::ManagedType::Native) {
std::string prop = cmStrCat("IMPORTED_COMMON_LANGUAGE_RUNTIME", suffix);
std::string propval;
if (cmValue p = target->GetProperty("COMMON_LANGUAGE_RUNTIME")) {
propval = *p;
} else if (target->IsCSharpOnly()) {
// C# projects do not have the /clr flag, so we set the property
// here to mark the target as (only) managed (i.e. no .lib file
// to link to). Otherwise the COMMON_LANGUAGE_RUNTIME target
// property would have to be set manually for C# targets to make
// exporting/importing work.
propval = "CSharp";
}
properties[prop] = propval;
}
}
namespace {
std::string const& asString(std::string const& l)
{
return l;
}
std::string const& asString(cmLinkItem const& l)
{
return l.AsStr();
}
}
template <typename T>
void cmExportFileGenerator::SetImportLinkProperty(
std::string const& suffix, cmGeneratorTarget const* target,
std::string const& propName, std::vector<T> const& entries,
ImportPropertyMap& properties, ImportLinkPropertyTargetNames targetNames)
{
// Skip the property if there are no entries.
if (entries.empty()) {
return;
}
cmLocalGenerator const* lg = target->GetLocalGenerator();
// Construct the property value.
std::string link_entries;
char const* sep = "";
for (T const& l : entries) {
// Separate this from the previous entry.
link_entries += sep;
sep = ";";
if (targetNames == ImportLinkPropertyTargetNames::Yes) {
std::string temp = asString(l);
this->AddTargetNamespace(temp, target, lg);
link_entries += temp;
} else {
link_entries += asString(l);
}
}
// Store the property.
std::string prop = cmStrCat(propName, suffix);
properties[prop] = link_entries;
}
template void cmExportFileGenerator::SetImportLinkProperty<std::string>(
std::string const&, cmGeneratorTarget const*, std::string const&,
std::vector<std::string> const&, ImportPropertyMap& properties,
ImportLinkPropertyTargetNames);
template void cmExportFileGenerator::SetImportLinkProperty<cmLinkItem>(
std::string const&, cmGeneratorTarget const*, std::string const&,
std::vector<cmLinkItem> const&, ImportPropertyMap& properties,
ImportLinkPropertyTargetNames);
namespace {
enum class ExportWhen
{
Defined,
Always,
};
enum class PropertyType
{
Strings,
Paths,
IncludePaths,
};
bool PropertyTypeIsForPaths(PropertyType pt)
{
switch (pt) {
case PropertyType::Strings:
return false;
case PropertyType::Paths:
case PropertyType::IncludePaths:
return true;
}
return false;
}
}
bool cmExportFileGenerator::PopulateCxxModuleExportProperties(
cmGeneratorTarget const* gte, ImportPropertyMap& properties,
cmGeneratorExpression::PreprocessContext ctx,
std::string const& includesDestinationDirs, std::string& errorMessage)
{
if (!gte->HaveCxx20ModuleSources(&errorMessage)) {
return true;
}
struct ModuleTargetPropertyTable
{
cm::static_string_view Name;
ExportWhen Cond;
};
ModuleTargetPropertyTable const exportedDirectModuleProperties[] = {
{ "CXX_EXTENSIONS"_s, ExportWhen::Defined },
// Always define this property as it is an intrinsic property of the target
// and should not be inherited from the in-scope `CMAKE_CXX_MODULE_STD`
// variable.
//
// TODO(cxxmodules): A future policy may make this "ON" based on the target
// policies if unset. Add a new `ExportWhen` condition to handle it when
// this happens.
{ "CXX_MODULE_STD"_s, ExportWhen::Always },
};
for (auto const& prop : exportedDirectModuleProperties) {
auto const propNameStr = std::string(prop.Name);
cmValue propValue = gte->Target->GetComputedProperty(
propNameStr, *gte->Target->GetMakefile());
if (!propValue) {
propValue = gte->Target->GetProperty(propNameStr);
}
if (propValue) {
properties[propNameStr] =
cmGeneratorExpression::Preprocess(*propValue, ctx);
} else if (prop.Cond == ExportWhen::Always) {
properties[propNameStr] = "";
}
}
struct ModulePropertyTable
{
cm::static_string_view Name;
PropertyType Type;
};
ModulePropertyTable const exportedModuleProperties[] = {
{ "INCLUDE_DIRECTORIES"_s, PropertyType::IncludePaths },
{ "COMPILE_DEFINITIONS"_s, PropertyType::Strings },
{ "COMPILE_OPTIONS"_s, PropertyType::Strings },
{ "COMPILE_FEATURES"_s, PropertyType::Strings },
};
for (auto const& propEntry : exportedModuleProperties) {
auto const propNameStr = std::string(propEntry.Name);
cmValue prop = gte->Target->GetComputedProperty(
propNameStr, *gte->Target->GetMakefile());
if (!prop) {
prop = gte->Target->GetProperty(propNameStr);
}
if (prop) {
auto const exportedPropName =
cmStrCat("IMPORTED_CXX_MODULES_", propEntry.Name);
properties[exportedPropName] =
cmGeneratorExpression::Preprocess(*prop, ctx);
if (ctx == cmGeneratorExpression::InstallInterface &&
PropertyTypeIsForPaths(propEntry.Type)) {
this->ReplaceInstallPrefix(properties[exportedPropName]);
this->AddImportPrefix(properties[exportedPropName]);
if (propEntry.Type == PropertyType::IncludePaths &&
!includesDestinationDirs.empty()) {
if (!properties[exportedPropName].empty()) {
properties[exportedPropName] += ';';
}
properties[exportedPropName] += includesDestinationDirs;
}
}
}
}
cm::static_string_view const exportedLinkModuleProperties[] = {
"LINK_LIBRARIES"_s,
};
for (auto const& propName : exportedLinkModuleProperties) {
auto const propNameStr = std::string(propName);
cmValue prop = gte->Target->GetComputedProperty(
propNameStr, *gte->Target->GetMakefile());
if (!prop) {
prop = gte->Target->GetProperty(propNameStr);
}
if (prop) {
auto const exportedPropName =
cmStrCat("IMPORTED_CXX_MODULES_", propName);
auto value = cmGeneratorExpression::Preprocess(*prop, ctx);
this->ResolveTargetsInGeneratorExpressions(value, gte,
ReplaceFreeTargets);
properties[exportedPropName] = value;
}
}
return true;
}
bool cmExportFileGenerator::PopulateExportProperties(
cmGeneratorTarget const* gte, ImportPropertyMap& properties,
std::string& errorMessage) const
{
auto const& targetProperties = gte->Target->GetProperties();
if (cmValue exportProperties =
targetProperties.GetPropertyValue("EXPORT_PROPERTIES")) {
for (auto& prop : cmList{ *exportProperties }) {
/* Black list reserved properties */
if (cmHasLiteralPrefix(prop, "IMPORTED_") ||
cmHasLiteralPrefix(prop, "INTERFACE_")) {
std::ostringstream e;
e << "Target \"" << gte->Target->GetName() << "\" contains property \""
<< prop << "\" in EXPORT_PROPERTIES but IMPORTED_* and INTERFACE_* "
<< "properties are reserved.";
errorMessage = e.str();
return false;
}
cmValue propertyValue = targetProperties.GetPropertyValue(prop);
if (!propertyValue) {
// Asked to export a property that isn't defined on the target. Do not
// consider this an error, there's just nothing to export.
continue;
}
std::string evaluatedValue = cmGeneratorExpression::Preprocess(
*propertyValue, cmGeneratorExpression::StripAllGeneratorExpressions);
if (evaluatedValue != *propertyValue) {
std::ostringstream e;
e << "Target \"" << gte->Target->GetName() << "\" contains property \""
<< prop << "\" in EXPORT_PROPERTIES but this property contains a "
<< "generator expression. This is not allowed.";
errorMessage = e.str();
return false;
}
properties[prop] = *propertyValue;
}
}
return true;
}
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