1 files changed, 500 insertions, 0 deletions
diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
new file mode 100644
index 0000000..64ea3c8
--- /dev/null
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -0,0 +1,500 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmExportInstallFileGenerator.h"
+
+#include "cmAlgorithms.h"
+#include "cmExportSet.h"
+#include "cmExportSetMap.h"
+#include "cmGeneratedFileStream.h"
+#include "cmGeneratorExpression.h"
+#include "cmGeneratorTarget.h"
+#include "cmGlobalGenerator.h"
+#include "cmInstallExportGenerator.h"
+#include "cmInstallTargetGenerator.h"
+#include "cmLocalGenerator.h"
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmStateTypes.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+#include "cmTargetExport.h"
+
+#include <sstream>
+#include <utility>
+
+cmExportInstallFileGenerator::cmExportInstallFileGenerator(
+  cmInstallExportGenerator* iegen)
+  : IEGen(iegen)
+{
+}
+
+std::string cmExportInstallFileGenerator::GetConfigImportFileGlob()
+{
+  std::string glob = this->FileBase;
+  glob += "-*";
+  glob += this->FileExt;
+  return glob;
+}
+
+bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
+{
+  std::vector<cmTargetExport*> allTargets;
+  {
+    std::string expectedTargets;
+    std::string sep;
+    for (std::vector<cmTargetExport*>::const_iterator tei =
+           this->IEGen->GetExportSet()->GetTargetExports()->begin();
+         tei != this->IEGen->GetExportSet()->GetTargetExports()->end();
+         ++tei) {
+      expectedTargets +=
+        sep + this->Namespace + (*tei)->Target->GetExportName();
+      sep = " ";
+      cmTargetExport* te = *tei;
+      if (this->ExportedTargets.insert(te->Target).second) {
+        allTargets.push_back(te);
+      } else {
+        std::ostringstream e;
+        e << "install(EXPORT \"" << this->IEGen->GetExportSet()->GetName()
+          << "\" ...) "
+          << "includes target \"" << te->Target->GetName()
+          << "\" more than once in the export set.";
+        cmSystemTools::Error(e.str().c_str());
+        return false;
+      }
+    }
+
+    this->GenerateExpectedTargetsCode(os, expectedTargets);
+  }
+
+  // Compute the relative import prefix for the file
+  this->GenerateImportPrefix(os);
+
+  std::vector<std::string> missingTargets;
+
+  bool require2_8_12 = false;
+  bool require3_0_0 = false;
+  bool require3_1_0 = false;
+  bool requiresConfigFiles = false;
+  // Create all the imported targets.
+  for (std::vector<cmTargetExport*>::const_iterator tei = allTargets.begin();
+       tei != allTargets.end(); ++tei) {
+    cmGeneratorTarget* gt = (*tei)->Target;
+
+    requiresConfigFiles =
+      requiresConfigFiles || gt->GetType() != cmStateEnums::INTERFACE_LIBRARY;
+
+    this->GenerateImportTargetCode(os, gt);
+
+    ImportPropertyMap properties;
+
+    this->PopulateIncludeDirectoriesInterface(
+      *tei, cmGeneratorExpression::InstallInterface, properties,
+      missingTargets);
+    this->PopulateSourcesInterface(*tei,
+                                   cmGeneratorExpression::InstallInterface,
+                                   properties, missingTargets);
+    this->PopulateInterfaceProperty("INTERFACE_SYSTEM_INCLUDE_DIRECTORIES", gt,
+                                    cmGeneratorExpression::InstallInterface,
+                                    properties, missingTargets);
+    this->PopulateInterfaceProperty("INTERFACE_COMPILE_DEFINITIONS", gt,
+                                    cmGeneratorExpression::InstallInterface,
+                                    properties, missingTargets);
+    this->PopulateInterfaceProperty("INTERFACE_COMPILE_OPTIONS", gt,
+                                    cmGeneratorExpression::InstallInterface,
+                                    properties, missingTargets);
+    this->PopulateInterfaceProperty("INTERFACE_AUTOUIC_OPTIONS", gt,
+                                    cmGeneratorExpression::InstallInterface,
+                                    properties, missingTargets);
+    this->PopulateInterfaceProperty("INTERFACE_COMPILE_FEATURES", gt,
+                                    cmGeneratorExpression::InstallInterface,
+                                    properties, missingTargets);
+
+    const bool newCMP0022Behavior =
+      gt->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
+      gt->GetPolicyStatusCMP0022() != cmPolicies::OLD;
+    if (newCMP0022Behavior) {
+      if (this->PopulateInterfaceLinkLibrariesProperty(
+            gt, cmGeneratorExpression::InstallInterface, properties,
+            missingTargets) &&
+          !this->ExportOld) {
+        require2_8_12 = true;
+      }
+    }
+    if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
+      require3_0_0 = true;
+    }
+    if (gt->GetProperty("INTERFACE_SOURCES")) {
+      // We can only generate INTERFACE_SOURCES in CMake 3.3, but CMake 3.1
+      // can consume them.
+      require3_1_0 = true;
+    }
+
+    this->PopulateInterfaceProperty("INTERFACE_POSITION_INDEPENDENT_CODE", gt,
+                                    properties);
+
+    this->PopulateCompatibleInterfaceProperties(gt, properties);
+
+    this->GenerateInterfaceProperties(gt, os, properties);
+  }
+
+  if (require3_1_0) {
+    this->GenerateRequiredCMakeVersion(os, "3.1.0");
+  } else if (require3_0_0) {
+    this->GenerateRequiredCMakeVersion(os, "3.0.0");
+  } else if (require2_8_12) {
+    this->GenerateRequiredCMakeVersion(os, "2.8.12");
+  }
+
+  this->LoadConfigFiles(os);
+
+  this->CleanupTemporaryVariables(os);
+  this->GenerateImportedFileCheckLoop(os);
+
+  bool result = true;
+  // Generate an import file for each configuration.
+  // Don't do this if we only export INTERFACE_LIBRARY targets.
+  if (requiresConfigFiles) {
+    for (std::vector<std::string>::const_iterator ci =
+           this->Configurations.begin();
+         ci != this->Configurations.end(); ++ci) {
+      if (!this->GenerateImportFileConfig(*ci, missingTargets)) {
+        result = false;
+      }
+    }
+  }
+
+  this->GenerateMissingTargetsCheckCode(os, missingTargets);
+
+  return result;
+}
+
+void cmExportInstallFileGenerator::GenerateImportPrefix(std::ostream& os)
+{
+  // Set an _IMPORT_PREFIX variable for import location properties
+  // to reference if they are relative to the install prefix.
+  std::string installPrefix =
+    this->IEGen->GetLocalGenerator()->GetMakefile()->GetSafeDefinition(
+      "CMAKE_INSTALL_PREFIX");
+  std::string const& expDest = this->IEGen->GetDestination();
+  if (cmSystemTools::FileIsFullPath(expDest)) {
+    // The export file is being installed to an absolute path so the
+    // package is not relocatable.  Use the configured install prefix.
+    /* clang-format off */
+    os <<
+      "# The installation prefix configured by this project.\n"
+      "set(_IMPORT_PREFIX \"" << installPrefix << "\")\n"
+      "\n";
+    /* clang-format on */
+  } else {
+    // Add code to compute the installation prefix relative to the
+    // import file location.
+    std::string absDest = installPrefix + "/" + expDest;
+    std::string absDestS = absDest + "/";
+    os << "# Compute the installation prefix relative to this file.\n"
+       << "get_filename_component(_IMPORT_PREFIX"
+       << " \"${CMAKE_CURRENT_LIST_FILE}\" PATH)\n";
+    if (cmHasLiteralPrefix(absDestS.c_str(), "/lib/") ||
+        cmHasLiteralPrefix(absDestS.c_str(), "/lib64/") ||
+        cmHasLiteralPrefix(absDestS.c_str(), "/usr/lib/") ||
+        cmHasLiteralPrefix(absDestS.c_str(), "/usr/lib64/")) {
+      // Handle "/usr move" symlinks created by some Linux distros.
+      /* clang-format off */
+      os <<
+        "# Use original install prefix when loaded through a\n"
+        "# cross-prefix symbolic link such as /lib -> /usr/lib.\n"
+        "get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)\n"
+        "get_filename_component(_realOrig \"" << absDest << "\" REALPATH)\n"
+        "if(_realCurr STREQUAL _realOrig)\n"
+        "  set(_IMPORT_PREFIX \"" << absDest << "\")\n"
+        "endif()\n"
+        "unset(_realOrig)\n"
+        "unset(_realCurr)\n";
+      /* clang-format on */
+    }
+    std::string dest = expDest;
+    while (!dest.empty()) {
+      os << "get_filename_component(_IMPORT_PREFIX \"${_IMPORT_PREFIX}\" "
+            "PATH)\n";
+      dest = cmSystemTools::GetFilenamePath(dest);
+    }
+    os << "if(_IMPORT_PREFIX STREQUAL \"/\")\n"
+       << "  set(_IMPORT_PREFIX \"\")\n"
+       << "endif()\n"
+       << "\n";
+  }
+}
+
+void cmExportInstallFileGenerator::CleanupTemporaryVariables(std::ostream& os)
+{
+  /* clang-format off */
+  os << "# Cleanup temporary variables.\n"
+     << "set(_IMPORT_PREFIX)\n"
+     << "\n";
+  /* clang-format on */
+}
+
+void cmExportInstallFileGenerator::LoadConfigFiles(std::ostream& os)
+{
+  // Now load per-configuration properties for them.
+  /* clang-format off */
+  os << "# Load information for each installed configuration.\n"
+     << "get_filename_component(_DIR \"${CMAKE_CURRENT_LIST_FILE}\" PATH)\n"
+     << "file(GLOB CONFIG_FILES \"${_DIR}/"
+     << this->GetConfigImportFileGlob() << "\")\n"
+     << "foreach(f ${CONFIG_FILES})\n"
+     << "  include(${f})\n"
+     << "endforeach()\n"
+     << "\n";
+  /* clang-format on */
+}
+
+void cmExportInstallFileGenerator::ReplaceInstallPrefix(std::string& input)
+{
+  std::string::size_type pos = 0;
+  std::string::size_type lastPos = pos;
+
+  while ((pos = input.find("$<INSTALL_PREFIX>", lastPos)) != input.npos) {
+    std::string::size_type endPos = pos + sizeof("$<INSTALL_PREFIX>") - 1;
+    input.replace(pos, endPos - pos, "${_IMPORT_PREFIX}");
+    lastPos = endPos;
+  }
+}
+
+bool cmExportInstallFileGenerator::GenerateImportFileConfig(
+  const std::string& config, std::vector<std::string>& missingTargets)
+{
+  // Skip configurations not enabled for this export.
+  if (!this->IEGen->InstallsForConfig(config)) {
+    return true;
+  }
+
+  // Construct the name of the file to generate.
+  std::string fileName = this->FileDir;
+  fileName += "/";
+  fileName += this->FileBase;
+  fileName += "-";
+  if (!config.empty()) {
+    fileName += cmSystemTools::LowerCase(config);
+  } else {
+    fileName += "noconfig";
+  }
+  fileName += this->FileExt;
+
+  // Open the output file to generate it.
+  cmGeneratedFileStream exportFileStream(fileName.c_str(), true);
+  if (!exportFileStream) {
+    std::string se = cmSystemTools::GetLastSystemError();
+    std::ostringstream e;
+    e << "cannot write to file \"" << fileName << "\": " << se;
+    cmSystemTools::Error(e.str().c_str());
+    return false;
+  }
+  std::ostream& os = exportFileStream;
+
+  // Start with the import file header.
+  this->GenerateImportHeaderCode(os, config);
+
+  // Generate the per-config target information.
+  this->GenerateImportConfig(os, config, missingTargets);
+
+  // End with the import file footer.
+  this->GenerateImportFooterCode(os);
+
+  // Record this per-config import file.
+  this->ConfigImportFiles[config] = fileName;
+
+  return true;
+}
+
+void cmExportInstallFileGenerator::GenerateImportTargetsConfig(
+  std::ostream& os, const std::string& config, std::string const& suffix,
+  std::vector<std::string>& missingTargets)
+{
+  // Add each target in the set to the export.
+  for (std::vector<cmTargetExport*>::const_iterator tei =
+         this->IEGen->GetExportSet()->GetTargetExports()->begin();
+       tei != this->IEGen->GetExportSet()->GetTargetExports()->end(); ++tei) {
+    // Collect import properties for this target.
+    cmTargetExport const* te = *tei;
+    if (te->Target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
+      continue;
+    }
+
+    ImportPropertyMap properties;
+    std::set<std::string> importedLocations;
+
+    this->SetImportLocationProperty(config, suffix, te->ArchiveGenerator,
+                                    properties, importedLocations);
+    this->SetImportLocationProperty(config, suffix, te->LibraryGenerator,
+                                    properties, importedLocations);
+    this->SetImportLocationProperty(config, suffix, te->RuntimeGenerator,
+                                    properties, importedLocations);
+    this->SetImportLocationProperty(config, suffix, te->FrameworkGenerator,
+                                    properties, importedLocations);
+    this->SetImportLocationProperty(config, suffix, te->BundleGenerator,
+                                    properties, importedLocations);
+
+    // If any file location was set for the target add it to the
+    // import file.
+    if (!properties.empty()) {
+      // Get the rest of the target details.
+      cmGeneratorTarget* gtgt = te->Target;
+      this->SetImportDetailProperties(config, suffix, gtgt, properties,
+                                      missingTargets);
+
+      this->SetImportLinkInterface(config, suffix,
+                                   cmGeneratorExpression::InstallInterface,
+                                   gtgt, properties, missingTargets);
+
+      // TOOD: PUBLIC_HEADER_LOCATION
+      // This should wait until the build feature propagation stuff
+      // is done.  Then this can be a propagated include directory.
+      // this->GenerateImportProperty(config, te->HeaderGenerator,
+      //                              properties);
+
+      // Generate code in the export file.
+      this->GenerateImportPropertyCode(os, config, gtgt, properties);
+      this->GenerateImportedFileChecksCode(os, gtgt, properties,
+                                           importedLocations);
+    }
+  }
+}
+
+void cmExportInstallFileGenerator::SetImportLocationProperty(
+  const std::string& config, std::string const& suffix,
+  cmInstallTargetGenerator* itgen, ImportPropertyMap& properties,
+  std::set<std::string>& importedLocations)
+{
+  // Skip rules that do not match this configuration.
+  if (!(itgen && itgen->InstallsForConfig(config))) {
+    return;
+  }
+
+  // Get the target to be installed.
+  cmGeneratorTarget* target = itgen->GetTarget();
+
+  // Construct the installed location of the target.
+  std::string dest = itgen->GetDestination(config);
+  std::string value;
+  if (!cmSystemTools::FileIsFullPath(dest.c_str())) {
+    // The target is installed relative to the installation prefix.
+    value = "${_IMPORT_PREFIX}/";
+  }
+  value += dest;
+  value += "/";
+
+  if (itgen->IsImportLibrary()) {
+    // Construct the property name.
+    std::string prop = "IMPORTED_IMPLIB";
+    prop += suffix;
+
+    // Append the installed file name.
+    value += itgen->GetInstallFilename(target, config,
+                                       cmInstallTargetGenerator::NameImplib);
+
+    // Store the property.
+    properties[prop] = value;
+    importedLocations.insert(prop);
+  } else {
+    // Construct the property name.
+    std::string prop = "IMPORTED_LOCATION";
+    prop += suffix;
+
+    // Append the installed file name.
+    if (target->IsAppBundleOnApple()) {
+      value += itgen->GetInstallFilename(target, config);
+      value += ".app/Contents/MacOS/";
+      value += itgen->GetInstallFilename(target, config);
+    } else {
+      value += itgen->GetInstallFilename(target, config,
+                                         cmInstallTargetGenerator::NameReal);
+    }
+
+    // Store the property.
+    properties[prop] = value;
+    importedLocations.insert(prop);
+  }
+}
+
+void cmExportInstallFileGenerator::HandleMissingTarget(
+  std::string& link_libs, std::vector<std::string>& missingTargets,
+  cmGeneratorTarget* depender, cmGeneratorTarget* dependee)
+{
+  const std::string name = dependee->GetName();
+  cmGlobalGenerator* gg = dependee->GetLocalGenerator()->GetGlobalGenerator();
+  std::vector<std::string> namespaces = this->FindNamespaces(gg, name);
+  int targetOccurrences = (int)namespaces.size();
+  if (targetOccurrences == 1) {
+    std::string missingTarget = namespaces[0];
+
+    missingTarget += dependee->GetExportName();
+    link_libs += missingTarget;
+    missingTargets.push_back(missingTarget);
+  } else {
+    // All exported targets should be known here and should be unique.
+    // This is probably user-error.
+    this->ComplainAboutMissingTarget(depender, dependee, targetOccurrences);
+  }
+}
+
+std::vector<std::string> cmExportInstallFileGenerator::FindNamespaces(
+  cmGlobalGenerator* gg, const std::string& name)
+{
+  std::vector<std::string> namespaces;
+  const cmExportSetMap& exportSets = gg->GetExportSets();
+
+  for (cmExportSetMap::const_iterator expIt = exportSets.begin();
+       expIt != exportSets.end(); ++expIt) {
+    const cmExportSet* exportSet = expIt->second;
+    std::vector<cmTargetExport*> const* targets =
+      exportSet->GetTargetExports();
+
+    bool containsTarget = false;
+    for (unsigned int i = 0; i < targets->size(); i++) {
+      if (name == (*targets)[i]->TargetName) {
+        containsTarget = true;
+        break;
+      }
+    }
+
+    if (containsTarget) {
+      std::vector<cmInstallExportGenerator const*> const* installs =
+        exportSet->GetInstallations();
+      for (unsigned int i = 0; i < installs->size(); i++) {
+        namespaces.push_back((*installs)[i]->GetNamespace());
+      }
+    }
+  }
+
+  return namespaces;
+}
+
+void cmExportInstallFileGenerator::ComplainAboutMissingTarget(
+  cmGeneratorTarget* depender, cmGeneratorTarget* dependee, int occurrences)
+{
+  std::ostringstream e;
+  e << "install(EXPORT \"" << this->IEGen->GetExportSet()->GetName()
+    << "\" ...) "
+    << "includes target \"" << depender->GetName()
+    << "\" which requires target \"" << dependee->GetName() << "\" ";
+  if (occurrences == 0) {
+    e << "that is not in the export set.";
+  } else {
+    e << "that is not in this export set, but " << occurrences
+      << " times in others.";
+  }
+  cmSystemTools::Error(e.str().c_str());
+}
+
+std::string cmExportInstallFileGenerator::InstallNameDir(
+  cmGeneratorTarget* target, const std::string& /*config*/)
+{
+  std::string install_name_dir;
+
+  cmMakefile* mf = target->Target->GetMakefile();
+  if (mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
+    install_name_dir = target->GetInstallNameDirForInstallTree();
+  }
+
+  return install_name_dir;
+}