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CMake/Source/cmExportBuildFileGenerator.cxx
Robert Maynard eec93bceec Allow OBJECT libraries to be installed, exported, and imported
Teach install() and export() to handle the actual object files.
Disallow this on Xcode with multiple architectures because it
still cannot be cleanly supported there.

Co-Author: Brad King <brad.king@kitware.com>
2017-04-18 11:36:10 -04:00

323 lines
11 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmExportBuildFileGenerator.h"
#include "cmAlgorithms.h"
#include "cmExportSet.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmPolicies.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTargetExport.h"
#include "cmake.h"
#include <algorithm>
#include <map>
#include <set>
#include <sstream>
#include <utility>
class cmSourceFile;
cmExportBuildFileGenerator::cmExportBuildFileGenerator()
{
this->LG = CM_NULLPTR;
this->ExportSet = CM_NULLPTR;
}
void cmExportBuildFileGenerator::Compute(cmLocalGenerator* lg)
{
this->LG = lg;
if (this->ExportSet) {
this->ExportSet->Compute(lg);
}
}
bool cmExportBuildFileGenerator::GenerateMainFile(std::ostream& os)
{
{
std::string expectedTargets;
std::string sep;
std::vector<std::string> targets;
this->GetTargets(targets);
for (std::vector<std::string>::const_iterator tei = targets.begin();
tei != targets.end(); ++tei) {
cmGeneratorTarget* te = this->LG->FindGeneratorTargetToUse(*tei);
expectedTargets += sep + this->Namespace + te->GetExportName();
sep = " ";
if (this->ExportedTargets.insert(te).second) {
this->Exports.push_back(te);
} else {
std::ostringstream e;
e << "given target \"" << te->GetName() << "\" more than once.";
this->LG->GetGlobalGenerator()->GetCMakeInstance()->IssueMessage(
cmake::FATAL_ERROR, e.str(),
this->LG->GetMakefile()->GetBacktrace());
return false;
}
if (te->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
this->GenerateRequiredCMakeVersion(os, "3.0.0");
}
}
this->GenerateExpectedTargetsCode(os, expectedTargets);
}
std::vector<std::string> missingTargets;
// Create all the imported targets.
for (std::vector<cmGeneratorTarget*>::const_iterator tei =
this->Exports.begin();
tei != this->Exports.end(); ++tei) {
cmGeneratorTarget* gte = *tei;
this->GenerateImportTargetCode(os, gte);
gte->Target->AppendBuildInterfaceIncludes();
ImportPropertyMap properties;
this->PopulateInterfaceProperty("INTERFACE_INCLUDE_DIRECTORIES", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_SOURCES", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_COMPILE_DEFINITIONS", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_COMPILE_OPTIONS", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_AUTOUIC_OPTIONS", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_COMPILE_FEATURES", gte,
cmGeneratorExpression::BuildInterface,
properties, missingTargets);
this->PopulateInterfaceProperty("INTERFACE_POSITION_INDEPENDENT_CODE", gte,
properties);
const bool newCMP0022Behavior =
gte->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
gte->GetPolicyStatusCMP0022() != cmPolicies::OLD;
if (newCMP0022Behavior) {
this->PopulateInterfaceLinkLibrariesProperty(
gte, cmGeneratorExpression::BuildInterface, properties,
missingTargets);
}
this->PopulateCompatibleInterfaceProperties(gte, properties);
this->GenerateInterfaceProperties(gte, os, properties);
}
// Generate import file content for each configuration.
for (std::vector<std::string>::const_iterator ci =
this->Configurations.begin();
ci != this->Configurations.end(); ++ci) {
this->GenerateImportConfig(os, *ci, missingTargets);
}
this->GenerateMissingTargetsCheckCode(os, missingTargets);
return true;
}
void cmExportBuildFileGenerator::GenerateImportTargetsConfig(
std::ostream& os, const std::string& config, std::string const& suffix,
std::vector<std::string>& missingTargets)
{
for (std::vector<cmGeneratorTarget*>::const_iterator tei =
this->Exports.begin();
tei != this->Exports.end(); ++tei) {
// Collect import properties for this target.
cmGeneratorTarget* target = *tei;
ImportPropertyMap properties;
if (target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
this->SetImportLocationProperty(config, suffix, target, properties);
}
if (!properties.empty()) {
// Get the rest of the target details.
if (target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
this->SetImportDetailProperties(config, suffix, target, properties,
missingTargets);
this->SetImportLinkInterface(config, suffix,
cmGeneratorExpression::BuildInterface,
target, 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, target, properties);
}
}
}
void cmExportBuildFileGenerator::SetExportSet(cmExportSet* exportSet)
{
this->ExportSet = exportSet;
}
void cmExportBuildFileGenerator::SetImportLocationProperty(
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;
if (target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
std::string prop = "IMPORTED_OBJECTS";
prop += suffix;
// Compute all the object files inside this target and setup
// IMPORTED_OBJECTS as a list of object files
std::vector<cmSourceFile const*> objectSources;
target->GetObjectSources(objectSources, config);
std::string const obj_dir = target->GetObjectDirectory(config);
std::vector<std::string> objects;
for (std::vector<cmSourceFile const*>::const_iterator si =
objectSources.begin();
si != objectSources.end(); ++si) {
const std::string& obj = target->GetObjectName(*si);
objects.push_back(obj_dir + obj);
}
// Store the property.
properties[prop] = cmJoin(objects, ";");
} else {
// Add the main target file.
{
std::string prop = "IMPORTED_LOCATION";
prop += suffix;
std::string value;
if (target->IsAppBundleOnApple()) {
value = target->GetFullPath(config, false);
} else {
value = target->GetFullPath(config, false, true);
}
properties[prop] = value;
}
// Add the import library for windows DLLs.
if (target->HasImportLibrary() &&
mf->GetDefinition("CMAKE_IMPORT_LIBRARY_SUFFIX")) {
std::string prop = "IMPORTED_IMPLIB";
prop += suffix;
std::string value = target->GetFullPath(config, true);
target->GetImplibGNUtoMS(value, value, "${CMAKE_IMPORT_LIBRARY_SUFFIX}");
properties[prop] = value;
}
}
}
void cmExportBuildFileGenerator::HandleMissingTarget(
std::string& link_libs, std::vector<std::string>& missingTargets,
cmGeneratorTarget* depender, cmGeneratorTarget* dependee)
{
// The target is not in the export.
if (!this->AppendMode) {
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);
return;
}
// We are not appending, so all exported targets should be
// known here. This is probably user-error.
this->ComplainAboutMissingTarget(depender, dependee, targetOccurrences);
}
// Assume the target will be exported by another command.
// Append it with the export namespace.
link_libs += this->Namespace;
link_libs += dependee->GetExportName();
}
void cmExportBuildFileGenerator::GetTargets(
std::vector<std::string>& targets) const
{
if (this->ExportSet) {
for (std::vector<cmTargetExport*>::const_iterator tei =
this->ExportSet->GetTargetExports()->begin();
tei != this->ExportSet->GetTargetExports()->end(); ++tei) {
targets.push_back((*tei)->TargetName);
}
return;
}
targets = this->Targets;
}
std::vector<std::string> cmExportBuildFileGenerator::FindNamespaces(
cmGlobalGenerator* gg, const std::string& name)
{
std::vector<std::string> namespaces;
std::map<std::string, cmExportBuildFileGenerator*>& exportSets =
gg->GetBuildExportSets();
for (std::map<std::string, cmExportBuildFileGenerator*>::const_iterator
expIt = exportSets.begin();
expIt != exportSets.end(); ++expIt) {
const cmExportBuildFileGenerator* exportSet = expIt->second;
std::vector<std::string> targets;
exportSet->GetTargets(targets);
if (std::find(targets.begin(), targets.end(), name) != targets.end()) {
namespaces.push_back(exportSet->GetNamespace());
}
}
return namespaces;
}
void cmExportBuildFileGenerator::ComplainAboutMissingTarget(
cmGeneratorTarget* depender, cmGeneratorTarget* dependee, int occurrences)
{
if (cmSystemTools::GetErrorOccuredFlag()) {
return;
}
std::ostringstream e;
e << "export called with target \"" << depender->GetName()
<< "\" which requires target \"" << dependee->GetName() << "\" ";
if (occurrences == 0) {
e << "that is not in the export set.\n";
} else {
e << "that is not in this export set, but " << occurrences
<< " times in others.\n";
}
e << "If the required target is not easy to reference in this call, "
<< "consider using the APPEND option with multiple separate calls.";
this->LG->GetGlobalGenerator()->GetCMakeInstance()->IssueMessage(
cmake::FATAL_ERROR, e.str(), this->LG->GetMakefile()->GetBacktrace());
}
std::string cmExportBuildFileGenerator::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->GetInstallNameDirForBuildTree(config);
}
return install_name_dir;
}