mirror of
https://github.com/Kitware/CMake.git
synced 2025-06-03 20:44:19 +08:00
0352376e44
Slightly tweak the logic that tests if a user can consume exported targets to immediately report the actual version required, rather than potentially giving the consumer false hope by reporting that 2.8 is required, only to immediately run another check that requires a more recent CMake version. (Note that the two-level check is presumably needed because CMake < 2.8 wouldn't understand VERSION_LESS.)
1677 lines
57 KiB
C++
1677 lines
57 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmExportFileGenerator.h"
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#include <algorithm>
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#include <array>
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#include <cassert>
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#include <cstring>
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#include <sstream>
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#include <utility>
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#include <cm/memory>
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#include <cm/optional>
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#include <cm/string_view>
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#include <cmext/string_view>
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#include "cmsys/FStream.hxx"
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#include "cmComputeLinkInformation.h"
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#include "cmExportSet.h"
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#include "cmFileSet.h"
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#include "cmFindPackageStack.h"
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#include "cmGeneratedFileStream.h"
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#include "cmGeneratorTarget.h"
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#include "cmLinkItem.h"
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#include "cmList.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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#include "cmOutputConverter.h"
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#include "cmPolicies.h"
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#include "cmPropertyMap.h"
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#include "cmStateTypes.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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#include "cmTarget.h"
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#include "cmValue.h"
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#include "cmVersion.h"
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static std::string cmExportFileGeneratorEscape(std::string const& str)
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{
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// Escape a property value for writing into a .cmake file.
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std::string result = cmOutputConverter::EscapeForCMake(str);
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// Un-escape variable references generated by our own export code.
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cmSystemTools::ReplaceString(result, "\\${_IMPORT_PREFIX}",
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"${_IMPORT_PREFIX}");
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cmSystemTools::ReplaceString(result, "\\${CMAKE_IMPORT_LIBRARY_SUFFIX}",
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"${CMAKE_IMPORT_LIBRARY_SUFFIX}");
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return result;
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}
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cmExportFileGenerator::cmExportFileGenerator()
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{
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this->AppendMode = false;
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this->ExportOld = false;
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}
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void cmExportFileGenerator::AddConfiguration(const std::string& config)
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{
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this->Configurations.push_back(config);
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}
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void cmExportFileGenerator::SetExportFile(const char* mainFile)
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{
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this->MainImportFile = mainFile;
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this->FileDir = cmSystemTools::GetFilenamePath(this->MainImportFile);
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this->FileBase =
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cmSystemTools::GetFilenameWithoutLastExtension(this->MainImportFile);
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this->FileExt =
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cmSystemTools::GetFilenameLastExtension(this->MainImportFile);
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}
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const std::string& cmExportFileGenerator::GetMainExportFileName() const
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{
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return this->MainImportFile;
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}
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bool cmExportFileGenerator::GenerateImportFile()
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{
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// Open the output file to generate it.
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std::unique_ptr<cmsys::ofstream> foutPtr;
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if (this->AppendMode) {
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// Open for append.
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auto openmodeApp = std::ios::app;
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foutPtr = cm::make_unique<cmsys::ofstream>(this->MainImportFile.c_str(),
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openmodeApp);
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} else {
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// Generate atomically and with copy-if-different.
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std::unique_ptr<cmGeneratedFileStream> ap(
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new cmGeneratedFileStream(this->MainImportFile, true));
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ap->SetCopyIfDifferent(true);
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foutPtr = std::move(ap);
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}
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if (!foutPtr || !*foutPtr) {
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std::string se = cmSystemTools::GetLastSystemError();
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std::ostringstream e;
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e << "cannot write to file \"" << this->MainImportFile << "\": " << se;
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cmSystemTools::Error(e.str());
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return false;
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}
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std::ostream& os = *foutPtr;
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std::stringstream mainFileWithHeadersAndFootersBuffer;
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// Start with the import file header.
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this->GenerateImportHeaderCode(mainFileWithHeadersAndFootersBuffer);
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// Create all the imported targets.
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std::stringstream mainFileBuffer;
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bool result = this->GenerateMainFile(mainFileBuffer);
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// Export find_dependency() calls. Must be done after GenerateMainFile(),
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// because that's when target dependencies are gathered, which we need for
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// the find_dependency() calls.
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if (!this->AppendMode && this->GetExportSet() &&
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this->ExportPackageDependencies) {
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this->SetRequiredCMakeVersion(3, 9, 0);
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this->GenerateFindDependencyCalls(mainFileWithHeadersAndFootersBuffer);
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}
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// Write cached import code.
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mainFileWithHeadersAndFootersBuffer << mainFileBuffer.rdbuf();
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// End with the import file footer.
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this->GenerateImportFooterCode(mainFileWithHeadersAndFootersBuffer);
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this->GeneratePolicyFooterCode(mainFileWithHeadersAndFootersBuffer);
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// This has to be done last, after the minimum CMake version has been
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// determined.
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this->GeneratePolicyHeaderCode(os);
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os << mainFileWithHeadersAndFootersBuffer.rdbuf();
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return result;
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}
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void cmExportFileGenerator::GenerateImportConfig(std::ostream& os,
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const std::string& config)
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{
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// Construct the property configuration suffix.
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std::string suffix = "_";
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if (!config.empty()) {
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suffix += cmSystemTools::UpperCase(config);
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} else {
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suffix += "NOCONFIG";
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}
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// Generate the per-config target information.
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this->GenerateImportTargetsConfig(os, config, suffix);
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}
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void cmExportFileGenerator::PopulateInterfaceProperty(
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const std::string& propName, cmGeneratorTarget const* target,
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ImportPropertyMap& properties)
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{
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cmValue input = target->GetProperty(propName);
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if (input) {
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properties[propName] = *input;
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}
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}
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void cmExportFileGenerator::PopulateInterfaceProperty(
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const std::string& propName, const std::string& outputName,
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cmGeneratorTarget const* target,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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cmValue input = target->GetProperty(propName);
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if (input) {
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if (input->empty()) {
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// Set to empty
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properties[outputName].clear();
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return;
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}
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std::string prepro =
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cmGeneratorExpression::Preprocess(*input, preprocessRule);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, target);
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properties[outputName] = prepro;
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}
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}
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}
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bool cmExportFileGenerator::PopulateInterfaceLinkLibrariesProperty(
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cmGeneratorTarget const* target,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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if (!target->IsLinkable()) {
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return false;
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}
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static const std::array<std::string, 3> linkIfaceProps = {
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{ "INTERFACE_LINK_LIBRARIES", "INTERFACE_LINK_LIBRARIES_DIRECT",
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"INTERFACE_LINK_LIBRARIES_DIRECT_EXCLUDE" }
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};
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bool hadINTERFACE_LINK_LIBRARIES = false;
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for (std::string const& linkIfaceProp : linkIfaceProps) {
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if (cmValue input = target->GetProperty(linkIfaceProp)) {
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std::string prepro =
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cmGeneratorExpression::Preprocess(*input, preprocessRule);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, target,
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ReplaceFreeTargets);
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properties[linkIfaceProp] = prepro;
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hadINTERFACE_LINK_LIBRARIES = true;
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}
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}
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}
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return hadINTERFACE_LINK_LIBRARIES;
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}
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static bool isSubDirectory(std::string const& a, std::string const& b)
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{
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return (cmSystemTools::ComparePath(a, b) ||
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cmSystemTools::IsSubDirectory(a, b));
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}
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static bool checkInterfaceDirs(const std::string& prepro,
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cmGeneratorTarget const* target,
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const std::string& prop)
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{
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std::string const& installDir =
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target->Makefile->GetSafeDefinition("CMAKE_INSTALL_PREFIX");
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std::string const& topSourceDir =
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target->GetLocalGenerator()->GetSourceDirectory();
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std::string const& topBinaryDir =
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target->GetLocalGenerator()->GetBinaryDirectory();
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std::vector<std::string> parts;
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cmGeneratorExpression::Split(prepro, parts);
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const bool inSourceBuild = topSourceDir == topBinaryDir;
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bool hadFatalError = false;
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for (std::string const& li : parts) {
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size_t genexPos = cmGeneratorExpression::Find(li);
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if (genexPos == 0) {
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continue;
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}
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if (cmHasLiteralPrefix(li, "${_IMPORT_PREFIX}")) {
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continue;
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}
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MessageType messageType = MessageType::FATAL_ERROR;
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std::ostringstream e;
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if (genexPos != std::string::npos) {
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if (prop == "INTERFACE_INCLUDE_DIRECTORIES") {
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switch (target->GetPolicyStatusCMP0041()) {
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case cmPolicies::WARN:
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messageType = MessageType::WARNING;
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e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0041) << "\n";
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break;
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case cmPolicies::OLD:
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continue;
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::REQUIRED_ALWAYS:
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case cmPolicies::NEW:
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hadFatalError = true;
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break; // Issue fatal message.
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}
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} else {
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hadFatalError = true;
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}
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}
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if (!cmSystemTools::FileIsFullPath(li)) {
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/* clang-format off */
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e << "Target \"" << target->GetName() << "\" " << prop <<
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" property contains relative path:\n"
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" \"" << li << "\"";
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/* clang-format on */
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target->GetLocalGenerator()->IssueMessage(messageType, e.str());
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}
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bool inBinary = isSubDirectory(li, topBinaryDir);
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bool inSource = isSubDirectory(li, topSourceDir);
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if (isSubDirectory(li, installDir)) {
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// The include directory is inside the install tree. If the
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// install tree is not inside the source tree or build tree then
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// fall through to the checks below that the include directory is not
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// also inside the source tree or build tree.
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bool shouldContinue =
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(!inBinary || isSubDirectory(installDir, topBinaryDir)) &&
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(!inSource || isSubDirectory(installDir, topSourceDir));
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if (prop == "INTERFACE_INCLUDE_DIRECTORIES") {
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if (!shouldContinue) {
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switch (target->GetPolicyStatusCMP0052()) {
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case cmPolicies::WARN: {
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std::ostringstream s;
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s << cmPolicies::GetPolicyWarning(cmPolicies::CMP0052) << "\n";
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s << "Directory:\n \"" << li
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<< "\"\nin "
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"INTERFACE_INCLUDE_DIRECTORIES of target \""
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<< target->GetName()
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<< "\" is a subdirectory of the install "
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"directory:\n \""
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<< installDir
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<< "\"\nhowever it is also "
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"a subdirectory of the "
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<< (inBinary ? "build" : "source") << " tree:\n \""
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<< (inBinary ? topBinaryDir : topSourceDir) << "\"\n";
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target->GetLocalGenerator()->IssueMessage(
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MessageType::AUTHOR_WARNING, s.str());
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CM_FALLTHROUGH;
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}
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case cmPolicies::OLD:
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shouldContinue = true;
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break;
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case cmPolicies::REQUIRED_ALWAYS:
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::NEW:
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break;
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}
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}
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}
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if (shouldContinue) {
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continue;
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}
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}
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if (inBinary) {
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/* clang-format off */
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e << "Target \"" << target->GetName() << "\" " << prop <<
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" property contains path:\n"
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" \"" << li << "\"\nwhich is prefixed in the build directory.";
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/* clang-format on */
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target->GetLocalGenerator()->IssueMessage(messageType, e.str());
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}
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if (!inSourceBuild) {
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if (inSource) {
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e << "Target \"" << target->GetName() << "\" " << prop
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<< " property contains path:\n"
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" \""
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<< li << "\"\nwhich is prefixed in the source directory.";
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target->GetLocalGenerator()->IssueMessage(messageType, e.str());
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}
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}
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}
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return !hadFatalError;
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}
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static void prefixItems(std::string& exportDirs)
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{
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std::vector<std::string> entries;
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cmGeneratorExpression::Split(exportDirs, entries);
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exportDirs.clear();
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const char* sep = "";
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for (std::string const& e : entries) {
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exportDirs += sep;
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sep = ";";
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if (!cmSystemTools::FileIsFullPath(e) &&
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e.find("${_IMPORT_PREFIX}") == std::string::npos) {
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exportDirs += "${_IMPORT_PREFIX}/";
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}
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exportDirs += e;
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}
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}
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void cmExportFileGenerator::PopulateSourcesInterface(
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cmGeneratorTarget const* gt,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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assert(preprocessRule == cmGeneratorExpression::InstallInterface);
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const char* propName = "INTERFACE_SOURCES";
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cmValue input = gt->GetProperty(propName);
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if (!input) {
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return;
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}
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if (input->empty()) {
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properties[propName].clear();
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return;
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}
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std::string prepro =
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cmGeneratorExpression::Preprocess(*input, preprocessRule, true);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, gt);
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if (!checkInterfaceDirs(prepro, gt, propName)) {
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return;
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}
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properties[propName] = prepro;
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}
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}
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void cmExportFileGenerator::PopulateIncludeDirectoriesInterface(
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cmGeneratorTarget const* target,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties, cmTargetExport const& te,
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std::string& includesDestinationDirs)
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{
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assert(preprocessRule == cmGeneratorExpression::InstallInterface);
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includesDestinationDirs.clear();
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const char* propName = "INTERFACE_INCLUDE_DIRECTORIES";
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cmValue input = target->GetProperty(propName);
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cmGeneratorExpression ge(*target->Makefile->GetCMakeInstance());
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std::string dirs = cmGeneratorExpression::Preprocess(
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cmList::to_string(target->Target->GetInstallIncludeDirectoriesEntries(te)),
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preprocessRule, true);
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this->ReplaceInstallPrefix(dirs);
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std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(dirs);
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std::string exportDirs =
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cge->Evaluate(target->GetLocalGenerator(), "", target);
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if (cge->GetHadContextSensitiveCondition()) {
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cmLocalGenerator* lg = target->GetLocalGenerator();
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std::ostringstream e;
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e << "Target \"" << target->GetName()
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<< "\" is installed with "
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"INCLUDES DESTINATION set to a context sensitive path. Paths which "
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"depend on the configuration, policy values or the link interface "
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"are "
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"not supported. Consider using target_include_directories instead.";
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lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
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return;
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}
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if (!input && exportDirs.empty()) {
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return;
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}
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if ((input && input->empty()) && exportDirs.empty()) {
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// Set to empty
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properties[propName].clear();
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return;
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}
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prefixItems(exportDirs);
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includesDestinationDirs = exportDirs;
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std::string includes = (input ? *input : "");
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const char* sep = input ? ";" : "";
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includes += sep + exportDirs;
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std::string prepro =
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cmGeneratorExpression::Preprocess(includes, preprocessRule, true);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, target);
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if (!checkInterfaceDirs(prepro, target, propName)) {
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return;
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}
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properties[propName] = prepro;
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}
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}
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void cmExportFileGenerator::PopulateLinkDependsInterface(
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cmGeneratorTarget const* gt,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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assert(preprocessRule == cmGeneratorExpression::InstallInterface);
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const char* propName = "INTERFACE_LINK_DEPENDS";
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cmValue input = gt->GetProperty(propName);
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if (!input) {
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return;
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}
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if (input->empty()) {
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properties[propName].clear();
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return;
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}
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std::string prepro =
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cmGeneratorExpression::Preprocess(*input, preprocessRule, true);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, gt);
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if (!checkInterfaceDirs(prepro, gt, propName)) {
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return;
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}
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properties[propName] = prepro;
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}
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}
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void cmExportFileGenerator::PopulateLinkDirectoriesInterface(
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cmGeneratorTarget const* gt,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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assert(preprocessRule == cmGeneratorExpression::InstallInterface);
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const char* propName = "INTERFACE_LINK_DIRECTORIES";
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cmValue input = gt->GetProperty(propName);
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if (!input) {
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return;
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}
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if (input->empty()) {
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properties[propName].clear();
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return;
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}
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std::string prepro =
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cmGeneratorExpression::Preprocess(*input, preprocessRule, true);
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if (!prepro.empty()) {
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this->ResolveTargetsInGeneratorExpressions(prepro, gt);
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if (!checkInterfaceDirs(prepro, gt, propName)) {
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return;
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}
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properties[propName] = prepro;
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}
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}
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void cmExportFileGenerator::PopulateInterfaceProperty(
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const std::string& propName, cmGeneratorTarget const* target,
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cmGeneratorExpression::PreprocessContext preprocessRule,
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ImportPropertyMap& properties)
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{
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this->PopulateInterfaceProperty(propName, propName, target, preprocessRule,
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properties);
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}
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static void getPropertyContents(cmGeneratorTarget const* tgt,
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const std::string& prop,
|
|
std::set<std::string>& ifaceProperties)
|
|
{
|
|
cmValue p = tgt->GetProperty(prop);
|
|
if (!p) {
|
|
return;
|
|
}
|
|
cmList content{ *p };
|
|
ifaceProperties.insert(content.begin(), content.end());
|
|
}
|
|
|
|
static void getCompatibleInterfaceProperties(
|
|
cmGeneratorTarget const* target, std::set<std::string>& ifaceProperties,
|
|
const std::string& 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;
|
|
}
|
|
|
|
const cmComputeLinkInformation::ItemVector& 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)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateInterfaceProperties(
|
|
const cmGeneratorTarget* target, std::ostream& os,
|
|
const ImportPropertyMap& properties)
|
|
{
|
|
if (!properties.empty()) {
|
|
std::string targetName =
|
|
cmStrCat(this->Namespace, target->GetExportName());
|
|
os << "set_target_properties(" << targetName << " PROPERTIES\n";
|
|
for (auto const& property : properties) {
|
|
os << " " << property.first << " "
|
|
<< cmExportFileGeneratorEscape(property.second) << "\n";
|
|
}
|
|
os << ")\n\n";
|
|
}
|
|
}
|
|
|
|
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 true;
|
|
}
|
|
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 true;
|
|
}
|
|
|
|
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*/)
|
|
{
|
|
// Do nothing
|
|
}
|
|
|
|
void cmExportFileGenerator::SetImportLinkInterface(
|
|
const std::string& config, std::string const& suffix,
|
|
cmGeneratorExpression::PreprocessContext preprocessRule,
|
|
cmGeneratorTarget const* target, ImportPropertyMap& properties)
|
|
{
|
|
// Add the transitive link dependencies for this configuration.
|
|
cmLinkInterface const* iface = target->GetLinkInterface(config, target);
|
|
if (!iface) {
|
|
return;
|
|
}
|
|
|
|
if (iface->ImplementationIsInterface) {
|
|
// Policy CMP0022 must not be NEW.
|
|
this->SetImportLinkProperty(
|
|
suffix, target, "IMPORTED_LINK_INTERFACE_LIBRARIES", iface->Libraries,
|
|
properties, ImportLinkPropertyTargetNames::Yes);
|
|
return;
|
|
}
|
|
|
|
cmValue propContent;
|
|
|
|
if (cmValue prop_suffixed =
|
|
target->GetProperty("LINK_INTERFACE_LIBRARIES" + suffix)) {
|
|
propContent = prop_suffixed;
|
|
} else if (cmValue prop = target->GetProperty("LINK_INTERFACE_LIBRARIES")) {
|
|
propContent = prop;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
const bool newCMP0022Behavior =
|
|
target->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
|
|
target->GetPolicyStatusCMP0022() != cmPolicies::OLD;
|
|
|
|
if (newCMP0022Behavior && !this->ExportOld) {
|
|
cmLocalGenerator* lg = target->GetLocalGenerator();
|
|
std::ostringstream e;
|
|
e << "Target \"" << target->GetName()
|
|
<< "\" has policy CMP0022 enabled, "
|
|
"but also has old-style LINK_INTERFACE_LIBRARIES properties "
|
|
"populated, but it was exported without the "
|
|
"EXPORT_LINK_INTERFACE_LIBRARIES to export the old-style properties";
|
|
lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
|
|
return;
|
|
}
|
|
|
|
if (propContent->empty()) {
|
|
properties["IMPORTED_LINK_INTERFACE_LIBRARIES" + suffix].clear();
|
|
return;
|
|
}
|
|
|
|
std::string prepro =
|
|
cmGeneratorExpression::Preprocess(*propContent, preprocessRule);
|
|
if (!prepro.empty()) {
|
|
this->ResolveTargetsInGeneratorExpressions(prepro, target,
|
|
ReplaceFreeTargets);
|
|
properties["IMPORTED_LINK_INTERFACE_LIBRARIES" + suffix] = prepro;
|
|
}
|
|
}
|
|
|
|
void cmExportFileGenerator::SetImportDetailProperties(
|
|
const std::string& config, std::string const& suffix,
|
|
cmGeneratorTarget* 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;
|
|
}
|
|
}
|
|
|
|
static std::string const& asString(std::string const& l)
|
|
{
|
|
return l;
|
|
}
|
|
|
|
static std::string const& asString(cmLinkItem const& l)
|
|
{
|
|
return l.AsStr();
|
|
}
|
|
|
|
template <typename T>
|
|
void cmExportFileGenerator::SetImportLinkProperty(
|
|
std::string const& suffix, cmGeneratorTarget const* target,
|
|
const std::string& 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;
|
|
const char* 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;
|
|
}
|
|
|
|
void cmExportFileGenerator::GeneratePolicyHeaderCode(std::ostream& os)
|
|
{
|
|
// Protect that file against use with older CMake versions.
|
|
/* clang-format off */
|
|
os << "# Generated by CMake\n\n";
|
|
os << "if(\"${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}\" LESS 2.8)\n"
|
|
<< " message(FATAL_ERROR \"CMake >= "
|
|
<< this->RequiredCMakeVersionMajor << '.'
|
|
<< this->RequiredCMakeVersionMinor << '.'
|
|
<< this->RequiredCMakeVersionPatch << " required\")\n"
|
|
<< "endif()\n"
|
|
<< "if(CMAKE_VERSION VERSION_LESS \""
|
|
<< this->RequiredCMakeVersionMajor << '.'
|
|
<< this->RequiredCMakeVersionMinor << '.'
|
|
<< this->RequiredCMakeVersionPatch << "\")\n"
|
|
<< " message(FATAL_ERROR \"CMake >= "
|
|
<< this->RequiredCMakeVersionMajor << '.'
|
|
<< this->RequiredCMakeVersionMinor << '.'
|
|
<< this->RequiredCMakeVersionPatch << " required\")\n"
|
|
<< "endif()\n";
|
|
/* clang-format on */
|
|
|
|
// Isolate the file policy level.
|
|
// Support CMake versions as far back as the
|
|
// RequiredCMakeVersion{Major,Minor,Patch}, but also support using NEW
|
|
// policy settings for up to CMake 3.29 (this upper limit may be reviewed
|
|
// and increased from time to time). This reduces the opportunity for CMake
|
|
// warnings when an older export file is later used with newer CMake
|
|
// versions.
|
|
/* clang-format off */
|
|
os << "cmake_policy(PUSH)\n"
|
|
<< "cmake_policy(VERSION "
|
|
<< this->RequiredCMakeVersionMajor << '.'
|
|
<< this->RequiredCMakeVersionMinor << '.'
|
|
<< this->RequiredCMakeVersionPatch << "...3.29)\n";
|
|
/* clang-format on */
|
|
}
|
|
|
|
void cmExportFileGenerator::GeneratePolicyFooterCode(std::ostream& os)
|
|
{
|
|
os << "cmake_policy(POP)\n";
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportHeaderCode(std::ostream& os,
|
|
const std::string& config)
|
|
{
|
|
os << "#----------------------------------------------------------------\n"
|
|
<< "# Generated CMake target import file";
|
|
if (!config.empty()) {
|
|
os << " for configuration \"" << config << "\".\n";
|
|
} else {
|
|
os << ".\n";
|
|
}
|
|
os << "#----------------------------------------------------------------\n"
|
|
<< "\n";
|
|
this->GenerateImportVersionCode(os);
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportFooterCode(std::ostream& os)
|
|
{
|
|
os << "# Commands beyond this point should not need to know the version.\n"
|
|
<< "set(CMAKE_IMPORT_FILE_VERSION)\n";
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportVersionCode(std::ostream& os)
|
|
{
|
|
// Store an import file format version. This will let us change the
|
|
// format later while still allowing old import files to work.
|
|
/* clang-format off */
|
|
os << "# Commands may need to know the format version.\n"
|
|
<< "set(CMAKE_IMPORT_FILE_VERSION 1)\n"
|
|
<< "\n";
|
|
/* clang-format on */
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateExpectedTargetsCode(
|
|
std::ostream& os, const std::string& expectedTargets)
|
|
{
|
|
/* clang-format off */
|
|
os << "# Protect against multiple inclusion, which would fail when already "
|
|
"imported targets are added once more.\n"
|
|
"set(_cmake_targets_defined \"\")\n"
|
|
"set(_cmake_targets_not_defined \"\")\n"
|
|
"set(_cmake_expected_targets \"\")\n"
|
|
"foreach(_cmake_expected_target IN ITEMS " << expectedTargets << ")\n"
|
|
" list(APPEND _cmake_expected_targets \"${_cmake_expected_target}\")\n"
|
|
" if(TARGET \"${_cmake_expected_target}\")\n"
|
|
" list(APPEND _cmake_targets_defined \"${_cmake_expected_target}\")\n"
|
|
" else()\n"
|
|
" list(APPEND _cmake_targets_not_defined \"${_cmake_expected_target}\")\n"
|
|
" endif()\n"
|
|
"endforeach()\n"
|
|
"unset(_cmake_expected_target)\n"
|
|
"if(_cmake_targets_defined STREQUAL _cmake_expected_targets)\n"
|
|
" unset(_cmake_targets_defined)\n"
|
|
" unset(_cmake_targets_not_defined)\n"
|
|
" unset(_cmake_expected_targets)\n"
|
|
" unset(CMAKE_IMPORT_FILE_VERSION)\n"
|
|
" cmake_policy(POP)\n"
|
|
" return()\n"
|
|
"endif()\n"
|
|
"if(NOT _cmake_targets_defined STREQUAL \"\")\n"
|
|
" string(REPLACE \";\" \", \" _cmake_targets_defined_text \"${_cmake_targets_defined}\")\n"
|
|
" string(REPLACE \";\" \", \" _cmake_targets_not_defined_text \"${_cmake_targets_not_defined}\")\n"
|
|
" message(FATAL_ERROR \"Some (but not all) targets in this export "
|
|
"set were already defined.\\nTargets Defined: ${_cmake_targets_defined_text}\\n"
|
|
"Targets not yet defined: ${_cmake_targets_not_defined_text}\\n\")\n"
|
|
"endif()\n"
|
|
"unset(_cmake_targets_defined)\n"
|
|
"unset(_cmake_targets_not_defined)\n"
|
|
"unset(_cmake_expected_targets)\n"
|
|
"\n\n";
|
|
/* clang-format on */
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportTargetCode(
|
|
std::ostream& os, cmGeneratorTarget const* target,
|
|
cmStateEnums::TargetType targetType)
|
|
{
|
|
// Construct the imported target name.
|
|
std::string targetName = this->Namespace;
|
|
|
|
targetName += target->GetExportName();
|
|
|
|
// Create the imported target.
|
|
os << "# Create imported target " << targetName << "\n";
|
|
switch (targetType) {
|
|
case cmStateEnums::EXECUTABLE:
|
|
os << "add_executable(" << targetName << " IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::STATIC_LIBRARY:
|
|
os << "add_library(" << targetName << " STATIC IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::SHARED_LIBRARY:
|
|
os << "add_library(" << targetName << " SHARED IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::MODULE_LIBRARY:
|
|
os << "add_library(" << targetName << " MODULE IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::UNKNOWN_LIBRARY:
|
|
os << "add_library(" << targetName << " UNKNOWN IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::OBJECT_LIBRARY:
|
|
os << "add_library(" << targetName << " OBJECT IMPORTED)\n";
|
|
break;
|
|
case cmStateEnums::INTERFACE_LIBRARY:
|
|
os << "add_library(" << targetName << " INTERFACE IMPORTED)\n";
|
|
break;
|
|
default: // should never happen
|
|
break;
|
|
}
|
|
|
|
// Mark the imported executable if it has exports.
|
|
if (target->IsExecutableWithExports() ||
|
|
(target->IsSharedLibraryWithExports() && target->HasImportLibrary(""))) {
|
|
os << "set_property(TARGET " << targetName
|
|
<< " PROPERTY ENABLE_EXPORTS 1)\n";
|
|
}
|
|
|
|
// Mark the imported library if it is a framework.
|
|
if (target->IsFrameworkOnApple()) {
|
|
os << "set_property(TARGET " << targetName << " PROPERTY FRAMEWORK 1)\n";
|
|
}
|
|
|
|
// Mark the imported executable if it is an application bundle.
|
|
if (target->IsAppBundleOnApple()) {
|
|
os << "set_property(TARGET " << targetName
|
|
<< " PROPERTY MACOSX_BUNDLE 1)\n";
|
|
}
|
|
|
|
if (target->IsCFBundleOnApple()) {
|
|
os << "set_property(TARGET " << targetName << " PROPERTY BUNDLE 1)\n";
|
|
}
|
|
|
|
// generate DEPRECATION
|
|
if (target->IsDeprecated()) {
|
|
os << "set_property(TARGET " << targetName << " PROPERTY DEPRECATION "
|
|
<< cmExportFileGeneratorEscape(target->GetDeprecation()) << ")\n";
|
|
}
|
|
|
|
if (target->GetPropertyAsBool("IMPORTED_NO_SYSTEM")) {
|
|
os << "set_property(TARGET " << targetName
|
|
<< " PROPERTY IMPORTED_NO_SYSTEM 1)\n";
|
|
}
|
|
|
|
if (target->GetPropertyAsBool("EXPORT_NO_SYSTEM")) {
|
|
os << "set_property(TARGET " << targetName << " PROPERTY SYSTEM 0)\n";
|
|
}
|
|
|
|
os << "\n";
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportPropertyCode(
|
|
std::ostream& os, const std::string& config, const std::string& suffix,
|
|
cmGeneratorTarget const* target, ImportPropertyMap const& properties,
|
|
const std::string& importedXcFrameworkLocation)
|
|
{
|
|
// Construct the imported target name.
|
|
std::string targetName = this->Namespace;
|
|
|
|
targetName += target->GetExportName();
|
|
|
|
// Set the import properties.
|
|
os << "# Import target \"" << targetName << "\" for configuration \""
|
|
<< config << "\"\n";
|
|
os << "set_property(TARGET " << targetName
|
|
<< " APPEND PROPERTY IMPORTED_CONFIGURATIONS ";
|
|
if (!config.empty()) {
|
|
os << cmSystemTools::UpperCase(config);
|
|
} else {
|
|
os << "NOCONFIG";
|
|
}
|
|
os << ")\n";
|
|
os << "set_target_properties(" << targetName << " PROPERTIES\n";
|
|
std::string importedLocationProp = cmStrCat("IMPORTED_LOCATION", suffix);
|
|
for (auto const& property : properties) {
|
|
if (importedXcFrameworkLocation.empty() ||
|
|
property.first != importedLocationProp) {
|
|
os << " " << property.first << " "
|
|
<< cmExportFileGeneratorEscape(property.second) << "\n";
|
|
}
|
|
}
|
|
os << " )\n";
|
|
if (!importedXcFrameworkLocation.empty()) {
|
|
auto importedLocationIt = properties.find(importedLocationProp);
|
|
if (importedLocationIt != properties.end()) {
|
|
os << "if(NOT CMAKE_VERSION VERSION_LESS \"3.28\" AND IS_DIRECTORY "
|
|
<< cmExportFileGeneratorEscape(importedXcFrameworkLocation)
|
|
<< ")\n"
|
|
" set_property(TARGET "
|
|
<< targetName << " PROPERTY " << importedLocationProp << " "
|
|
<< cmExportFileGeneratorEscape(importedXcFrameworkLocation)
|
|
<< ")\nelse()\n set_property(TARGET " << targetName << " PROPERTY "
|
|
<< importedLocationProp << " "
|
|
<< cmExportFileGeneratorEscape(importedLocationIt->second)
|
|
<< ")\nendif()\n";
|
|
}
|
|
}
|
|
os << "\n";
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateFindDependencyCalls(std::ostream& os)
|
|
{
|
|
os << "include(CMakeFindDependencyMacro)\n";
|
|
std::map<std::string, cmExportSet::PackageDependency> packageDependencies;
|
|
auto* exportSet = this->GetExportSet();
|
|
if (exportSet) {
|
|
packageDependencies = exportSet->GetPackageDependencies();
|
|
}
|
|
|
|
for (cmGeneratorTarget const* gt : this->ExternalTargets) {
|
|
std::string findPackageName;
|
|
auto exportFindPackageName = gt->GetProperty("EXPORT_FIND_PACKAGE_NAME");
|
|
cmFindPackageStack pkgStack = gt->Target->GetFindPackageStack();
|
|
if (!exportFindPackageName.IsEmpty()) {
|
|
findPackageName = *exportFindPackageName;
|
|
} else {
|
|
if (!pkgStack.Empty()) {
|
|
cmFindPackageCall const& fpc = pkgStack.Top();
|
|
findPackageName = fpc.Name;
|
|
}
|
|
}
|
|
if (!findPackageName.empty()) {
|
|
auto& dep = packageDependencies[findPackageName];
|
|
if (!pkgStack.Empty()) {
|
|
dep.FindPackageIndex = pkgStack.Top().Index;
|
|
}
|
|
if (dep.Enabled == cmExportSet::PackageDependencyExportEnabled::Auto) {
|
|
dep.Enabled = cmExportSet::PackageDependencyExportEnabled::On;
|
|
}
|
|
}
|
|
}
|
|
|
|
std::vector<std::pair<std::string, cmExportSet::PackageDependency>>
|
|
packageDependenciesSorted(packageDependencies.begin(),
|
|
packageDependencies.end());
|
|
std::sort(
|
|
packageDependenciesSorted.begin(), packageDependenciesSorted.end(),
|
|
[](const std::pair<std::string, cmExportSet::PackageDependency>& lhs,
|
|
const std::pair<std::string, cmExportSet::PackageDependency>& rhs)
|
|
-> bool {
|
|
if (lhs.second.SpecifiedIndex) {
|
|
if (rhs.second.SpecifiedIndex) {
|
|
return lhs.second.SpecifiedIndex < rhs.second.SpecifiedIndex;
|
|
}
|
|
assert(rhs.second.FindPackageIndex);
|
|
return true;
|
|
}
|
|
assert(lhs.second.FindPackageIndex);
|
|
if (rhs.second.SpecifiedIndex) {
|
|
return false;
|
|
}
|
|
assert(rhs.second.FindPackageIndex);
|
|
return lhs.second.FindPackageIndex < rhs.second.FindPackageIndex;
|
|
});
|
|
|
|
for (auto const& it : packageDependenciesSorted) {
|
|
if (it.second.Enabled == cmExportSet::PackageDependencyExportEnabled::On) {
|
|
os << "find_dependency(" << it.first;
|
|
for (auto const& arg : it.second.ExtraArguments) {
|
|
os << " " << cmOutputConverter::EscapeForCMake(arg);
|
|
}
|
|
os << ")\n";
|
|
}
|
|
}
|
|
os << "\n\n";
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateMissingTargetsCheckCode(std::ostream& os)
|
|
{
|
|
if (this->MissingTargets.empty()) {
|
|
/* clang-format off */
|
|
os << "# This file does not depend on other imported targets which have\n"
|
|
"# been exported from the same project but in a separate "
|
|
"export set.\n\n";
|
|
/* clang-format on */
|
|
return;
|
|
}
|
|
/* clang-format off */
|
|
os << "# Make sure the targets which have been exported in some other\n"
|
|
"# export set exist.\n"
|
|
"unset(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets)\n"
|
|
"foreach(_target ";
|
|
/* clang-format on */
|
|
std::set<std::string> emitted;
|
|
for (std::string const& missingTarget : this->MissingTargets) {
|
|
if (emitted.insert(missingTarget).second) {
|
|
os << "\"" << missingTarget << "\" ";
|
|
}
|
|
}
|
|
/* clang-format off */
|
|
os << ")\n"
|
|
" if(NOT TARGET \"${_target}\" )\n"
|
|
" set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets \""
|
|
"${${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets} ${_target}\")"
|
|
"\n"
|
|
" endif()\n"
|
|
"endforeach()\n"
|
|
"\n"
|
|
"if(DEFINED ${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets)\n"
|
|
" if(CMAKE_FIND_PACKAGE_NAME)\n"
|
|
" set( ${CMAKE_FIND_PACKAGE_NAME}_FOUND FALSE)\n"
|
|
" set( ${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE "
|
|
"\"The following imported targets are "
|
|
"referenced, but are missing: "
|
|
"${${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets}\")\n"
|
|
" else()\n"
|
|
" message(FATAL_ERROR \"The following imported targets are "
|
|
"referenced, but are missing: "
|
|
"${${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets}\")\n"
|
|
" endif()\n"
|
|
"endif()\n"
|
|
"unset(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE_targets)\n"
|
|
"\n";
|
|
/* clang-format on */
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportedFileCheckLoop(std::ostream& os)
|
|
{
|
|
// Add code which verifies at cmake time that the file which is being
|
|
// imported actually exists on disk. This should in theory always be theory
|
|
// case, but still when packages are split into normal and development
|
|
// packages this might get broken (e.g. the Config.cmake could be part of
|
|
// the non-development package, something similar happened to me without
|
|
// on SUSE with a mysql pkg-config file, which claimed everything is fine,
|
|
// but the development package was not installed.).
|
|
/* clang-format off */
|
|
os << "# Loop over all imported files and verify that they actually exist\n"
|
|
"foreach(_cmake_target IN LISTS _cmake_import_check_targets)\n"
|
|
" if(CMAKE_VERSION VERSION_LESS \"3.28\"\n"
|
|
" OR NOT DEFINED "
|
|
"_cmake_import_check_xcframework_for_${_cmake_target}\n"
|
|
" OR NOT IS_DIRECTORY "
|
|
"\"${_cmake_import_check_xcframework_for_${_cmake_target}}\")\n"
|
|
" foreach(_cmake_file IN LISTS "
|
|
"\"_cmake_import_check_files_for_${_cmake_target}\")\n"
|
|
" if(NOT EXISTS \"${_cmake_file}\")\n"
|
|
" message(FATAL_ERROR \"The imported target "
|
|
"\\\"${_cmake_target}\\\" references the file\n"
|
|
" \\\"${_cmake_file}\\\"\n"
|
|
"but this file does not exist. Possible reasons include:\n"
|
|
"* The file was deleted, renamed, or moved to another location.\n"
|
|
"* An install or uninstall procedure did not complete successfully.\n"
|
|
"* The installation package was faulty and contained\n"
|
|
" \\\"${CMAKE_CURRENT_LIST_FILE}\\\"\n"
|
|
"but not all the files it references.\n"
|
|
"\")\n"
|
|
" endif()\n"
|
|
" endforeach()\n"
|
|
" endif()\n"
|
|
" unset(_cmake_file)\n"
|
|
" unset(\"_cmake_import_check_files_for_${_cmake_target}\")\n"
|
|
"endforeach()\n"
|
|
"unset(_cmake_target)\n"
|
|
"unset(_cmake_import_check_targets)\n"
|
|
"\n";
|
|
/* clang-format on */
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateImportedFileChecksCode(
|
|
std::ostream& os, cmGeneratorTarget* target,
|
|
ImportPropertyMap const& properties,
|
|
const std::set<std::string>& importedLocations,
|
|
const std::string& importedXcFrameworkLocation)
|
|
{
|
|
// Construct the imported target name.
|
|
std::string targetName = cmStrCat(this->Namespace, target->GetExportName());
|
|
|
|
os << "list(APPEND _cmake_import_check_targets " << targetName << " )\n";
|
|
if (!importedXcFrameworkLocation.empty()) {
|
|
os << "set(_cmake_import_check_xcframework_for_" << targetName << ' '
|
|
<< cmExportFileGeneratorEscape(importedXcFrameworkLocation) << ")\n";
|
|
}
|
|
os << "list(APPEND _cmake_import_check_files_for_" << targetName << " ";
|
|
|
|
for (std::string const& li : importedLocations) {
|
|
auto pi = properties.find(li);
|
|
if (pi != properties.end()) {
|
|
os << cmExportFileGeneratorEscape(pi->second) << " ";
|
|
}
|
|
}
|
|
|
|
os << ")\n\n";
|
|
}
|
|
|
|
enum class ExportWhen
|
|
{
|
|
Defined,
|
|
Always,
|
|
};
|
|
|
|
enum class PropertyType
|
|
{
|
|
Strings,
|
|
Paths,
|
|
IncludePaths,
|
|
};
|
|
|
|
namespace {
|
|
bool PropertyTypeIsForPaths(PropertyType pt)
|
|
{
|
|
switch (pt) {
|
|
case PropertyType::Strings:
|
|
return false;
|
|
case PropertyType::Paths:
|
|
case PropertyType::IncludePaths:
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
struct ModuleTargetPropertyTable
|
|
{
|
|
cm::static_string_view Name;
|
|
ExportWhen Cond;
|
|
};
|
|
|
|
struct ModulePropertyTable
|
|
{
|
|
cm::static_string_view Name;
|
|
PropertyType Type;
|
|
};
|
|
|
|
bool cmExportFileGenerator::PopulateCxxModuleExportProperties(
|
|
cmGeneratorTarget const* gte, ImportPropertyMap& properties,
|
|
cmGeneratorExpression::PreprocessContext ctx,
|
|
std::string const& includesDestinationDirs, std::string& errorMessage)
|
|
{
|
|
if (!gte->HaveCxx20ModuleSources(&errorMessage)) {
|
|
return true;
|
|
}
|
|
|
|
const ModuleTargetPropertyTable 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] = "";
|
|
}
|
|
}
|
|
|
|
const ModulePropertyTable 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]);
|
|
prefixItems(properties[exportedPropName]);
|
|
if (propEntry.Type == PropertyType::IncludePaths &&
|
|
!includesDestinationDirs.empty()) {
|
|
if (!properties[exportedPropName].empty()) {
|
|
properties[exportedPropName] += ';';
|
|
}
|
|
properties[exportedPropName] += includesDestinationDirs;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const cm::static_string_view 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, cmExportFileGenerator::ReplaceFreeTargets);
|
|
properties[exportedPropName] = value;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool cmExportFileGenerator::PopulateExportProperties(
|
|
cmGeneratorTarget const* gte, ImportPropertyMap& properties,
|
|
std::string& errorMessage)
|
|
{
|
|
const auto& 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;
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateTargetFileSets(cmGeneratorTarget* gte,
|
|
std::ostream& os,
|
|
cmTargetExport* te)
|
|
{
|
|
auto interfaceFileSets = gte->Target->GetAllInterfaceFileSets();
|
|
if (!interfaceFileSets.empty()) {
|
|
std::string targetName = cmStrCat(this->Namespace, gte->GetExportName());
|
|
os << "if(NOT CMAKE_VERSION VERSION_LESS \"3.23.0\")\n"
|
|
" target_sources("
|
|
<< targetName << "\n";
|
|
|
|
for (auto const& name : interfaceFileSets) {
|
|
auto* fileSet = gte->Target->GetFileSet(name);
|
|
if (!fileSet) {
|
|
gte->Makefile->IssueMessage(
|
|
MessageType::FATAL_ERROR,
|
|
cmStrCat("File set \"", name,
|
|
"\" is listed in interface file sets of ", gte->GetName(),
|
|
" but has not been created"));
|
|
return;
|
|
}
|
|
|
|
os << " INTERFACE"
|
|
<< "\n FILE_SET " << cmOutputConverter::EscapeForCMake(name)
|
|
<< "\n TYPE "
|
|
<< cmOutputConverter::EscapeForCMake(fileSet->GetType())
|
|
<< "\n BASE_DIRS "
|
|
<< this->GetFileSetDirectories(gte, fileSet, te) << "\n FILES "
|
|
<< this->GetFileSetFiles(gte, fileSet, te) << "\n";
|
|
}
|
|
|
|
os << " )\nelse()\n set_property(TARGET " << targetName
|
|
<< "\n APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES";
|
|
for (auto const& name : interfaceFileSets) {
|
|
auto* fileSet = gte->Target->GetFileSet(name);
|
|
if (!fileSet) {
|
|
gte->Makefile->IssueMessage(
|
|
MessageType::FATAL_ERROR,
|
|
cmStrCat("File set \"", name,
|
|
"\" is listed in interface file sets of ", gte->GetName(),
|
|
" but has not been created"));
|
|
return;
|
|
}
|
|
|
|
if (fileSet->GetType() == "HEADERS"_s) {
|
|
os << "\n " << this->GetFileSetDirectories(gte, fileSet, te);
|
|
}
|
|
}
|
|
os << "\n )\nendif()\n\n";
|
|
}
|
|
}
|
|
|
|
void cmExportFileGenerator::GenerateCxxModuleInformation(
|
|
std::string const& name, std::ostream& os)
|
|
{
|
|
auto const cxx_module_dirname = this->GetCxxModulesDirectory();
|
|
if (cxx_module_dirname.empty()) {
|
|
return;
|
|
}
|
|
|
|
// Write the include.
|
|
os << "# Include C++ module properties\n"
|
|
<< "include(\"${CMAKE_CURRENT_LIST_DIR}/" << cxx_module_dirname
|
|
<< "/cxx-modules-" << name << ".cmake\")\n\n";
|
|
|
|
// Get the path to the file we're going to write.
|
|
std::string path = this->MainImportFile;
|
|
path = cmSystemTools::GetFilenamePath(path);
|
|
auto trampoline_path =
|
|
cmStrCat(path, '/', cxx_module_dirname, "/cxx-modules-", name, ".cmake");
|
|
|
|
// Include all configuration-specific include files.
|
|
cmGeneratedFileStream ap(trampoline_path, true);
|
|
ap.SetCopyIfDifferent(true);
|
|
|
|
this->GenerateCxxModuleConfigInformation(name, ap);
|
|
}
|
|
|
|
void cmExportFileGenerator::SetRequiredCMakeVersion(unsigned int major,
|
|
unsigned int minor,
|
|
unsigned int patch)
|
|
{
|
|
if (CMake_VERSION_ENCODE(major, minor, patch) >
|
|
CMake_VERSION_ENCODE(this->RequiredCMakeVersionMajor,
|
|
this->RequiredCMakeVersionMinor,
|
|
this->RequiredCMakeVersionPatch)) {
|
|
this->RequiredCMakeVersionMajor = major;
|
|
this->RequiredCMakeVersionMinor = minor;
|
|
this->RequiredCMakeVersionPatch = patch;
|
|
}
|
|
}
|