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CMake/Source/cmExportFileGenerator.cxx
Brad King f8241136b4 Merge topic 'INTERFACE_LIBRARY-target-type' 
ce0c303 install: Teach EXPORT option to handle INTERFACE_LIBRARY targets
435c912 export: Add support for INTERFACE_LIBRARY targets
fe73226 Add the INTERFACE_LIBRARY target type.
2013-10-08 10:58:40 -04:00

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmExportFileGenerator.h"
#include "cmExportSet.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalGenerator.h"
#include "cmInstallExportGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTargetExport.h"
#include "cmVersion.h"
#include "cmComputeLinkInformation.h"
#include <cmsys/auto_ptr.hxx>
#include <assert.h>
//----------------------------------------------------------------------------
cmExportFileGenerator::cmExportFileGenerator()
{
this->AppendMode = false;
this->ExportOld = false;
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::AddConfiguration(const char* config)
{
this->Configurations.push_back(config);
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::SetExportFile(const char* mainFile)
{
this->MainImportFile = mainFile;
this->FileDir =
cmSystemTools::GetFilenamePath(this->MainImportFile);
this->FileBase =
cmSystemTools::GetFilenameWithoutLastExtension(this->MainImportFile);
this->FileExt =
cmSystemTools::GetFilenameLastExtension(this->MainImportFile);
}
//----------------------------------------------------------------------------
bool cmExportFileGenerator::GenerateImportFile()
{
// Open the output file to generate it.
cmsys::auto_ptr<std::ofstream> foutPtr;
if(this->AppendMode)
{
// Open for append.
cmsys::auto_ptr<std::ofstream>
ap(new std::ofstream(this->MainImportFile.c_str(), std::ios::app));
foutPtr = ap;
}
else
{
// Generate atomically and with copy-if-different.
cmsys::auto_ptr<cmGeneratedFileStream>
ap(new cmGeneratedFileStream(this->MainImportFile.c_str(), true));
ap->SetCopyIfDifferent(true);
foutPtr = ap;
}
if(!foutPtr.get() || !*foutPtr)
{
std::string se = cmSystemTools::GetLastSystemError();
cmOStringStream e;
e << "cannot write to file \"" << this->MainImportFile
<< "\": " << se;
cmSystemTools::Error(e.str().c_str());
return false;
}
std::ostream& os = *foutPtr;
// Protect that file against use with older CMake versions.
os << "# Generated by CMake " << cmVersion::GetCMakeVersion() << "\n\n";
os << "if(\"${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}\" LESS 2.5)\n"
<< " message(FATAL_ERROR \"CMake >= 2.6.0 required\")\n"
<< "endif()\n";
// Isolate the file policy level.
// We use 2.6 here instead of the current version because newer
// versions of CMake should be able to export files imported by 2.6
// until the import format changes.
os << "cmake_policy(PUSH)\n"
<< "cmake_policy(VERSION 2.6)\n";
// Start with the import file header.
this->GenerateImportHeaderCode(os);
// Create all the imported targets.
bool result = this->GenerateMainFile(os);
// End with the import file footer.
this->GenerateImportFooterCode(os);
os << "cmake_policy(POP)\n";
return result;
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateImportConfig(std::ostream& os,
const char* config,
std::vector<std::string> &missingTargets)
{
// Construct the property configuration suffix.
std::string suffix = "_";
if(config && *config)
{
suffix += cmSystemTools::UpperCase(config);
}
else
{
suffix += "NOCONFIG";
}
// Generate the per-config target information.
this->GenerateImportTargetsConfig(os, config, suffix, missingTargets);
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::PopulateInterfaceProperty(const char *propName,
cmTarget *target,
ImportPropertyMap &properties)
{
const char *input = target->GetProperty(propName);
if (input)
{
properties[propName] = input;
}
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::PopulateInterfaceProperty(const char *propName,
const char *outputName,
cmTarget *target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap &properties,
std::vector<std::string> &missingTargets)
{
const char *input = target->GetProperty(propName);
if (input)
{
if (!*input)
{
// Set to empty
properties[outputName] = "";
return;
}
std::string prepro = cmGeneratorExpression::Preprocess(input,
preprocessRule);
if (!prepro.empty())
{
this->ResolveTargetsInGeneratorExpressions(prepro, target,
missingTargets);
properties[outputName] = prepro;
}
}
}
void cmExportFileGenerator::GenerateRequiredCMakeVersion(std::ostream& os,
const char *versionString)
{
os << "if(CMAKE_VERSION VERSION_LESS " << versionString << ")\n"
" message(FATAL_ERROR \"This file relies on consumers using "
"CMake " << versionString << " or greater.\")\n"
"endif()\n\n";
}
//----------------------------------------------------------------------------
bool cmExportFileGenerator::PopulateInterfaceLinkLibrariesProperty(
cmTarget *target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap &properties,
std::vector<std::string> &missingTargets)
{
const char *input = target->GetProperty("INTERFACE_LINK_LIBRARIES");
if (input)
{
std::string prepro = cmGeneratorExpression::Preprocess(input,
preprocessRule);
if (!prepro.empty())
{
this->ResolveTargetsInGeneratorExpressions(prepro, target,
missingTargets,
ReplaceFreeTargets);
properties["INTERFACE_LINK_LIBRARIES"] = prepro;
return true;
}
}
return false;
}
//----------------------------------------------------------------------------
static bool isSubDirectory(const char* a, const char* b)
{
return (cmSystemTools::ComparePath(a, b) ||
cmSystemTools::IsSubDirectory(a, b));
}
//----------------------------------------------------------------------------
static bool checkInterfaceDirs(const std::string &prepro,
cmTarget *target)
{
const char* installDir =
target->GetMakefile()->GetSafeDefinition("CMAKE_INSTALL_PREFIX");
const char* topSourceDir = target->GetMakefile()->GetHomeDirectory();
const char* topBinaryDir = target->GetMakefile()->GetHomeOutputDirectory();
std::vector<std::string> parts;
cmGeneratorExpression::Split(prepro, parts);
const bool inSourceBuild = strcmp(topSourceDir, topBinaryDir) == 0;
for(std::vector<std::string>::iterator li = parts.begin();
li != parts.end(); ++li)
{
if (cmGeneratorExpression::Find(*li) != std::string::npos)
{
continue;
}
if (strncmp(li->c_str(), "${_IMPORT_PREFIX}", 17) == 0)
{
continue;
}
if (!cmSystemTools::FileIsFullPath(li->c_str()))
{
cmOStringStream e;
e << "Target \"" << target->GetName() << "\" "
"INTERFACE_INCLUDE_DIRECTORIES property contains relative path:\n"
" \"" << *li << "\"";
target->GetMakefile()->IssueMessage(cmake::FATAL_ERROR,
e.str().c_str());
return false;
}
if (isSubDirectory(li->c_str(), installDir))
{
continue;
}
if (isSubDirectory(li->c_str(), topBinaryDir))
{
cmOStringStream e;
e << "Target \"" << target->GetName() << "\" "
"INTERFACE_INCLUDE_DIRECTORIES property contains path:\n"
" \"" << *li << "\"\nwhich is prefixed in the build directory.";
target->GetMakefile()->IssueMessage(cmake::FATAL_ERROR,
e.str().c_str());
return false;
}
if (!inSourceBuild)
{
if (isSubDirectory(li->c_str(), topSourceDir))
{
cmOStringStream e;
e << "Target \"" << target->GetName() << "\" "
"INTERFACE_INCLUDE_DIRECTORIES property contains path:\n"
" \"" << *li << "\"\nwhich is prefixed in the source directory.";
target->GetMakefile()->IssueMessage(cmake::FATAL_ERROR,
e.str().c_str());
return false;
}
}
}
return true;
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::PopulateIncludeDirectoriesInterface(
cmTargetExport *tei,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap &properties,
std::vector<std::string> &missingTargets)
{
cmTarget *target = tei->Target;
assert(preprocessRule == cmGeneratorExpression::InstallInterface);
const char *propName = "INTERFACE_INCLUDE_DIRECTORIES";
const char *input = target->GetProperty(propName);
cmListFileBacktrace lfbt;
cmGeneratorExpression ge(lfbt);
std::string dirs = tei->InterfaceIncludeDirectories;
this->ReplaceInstallPrefix(dirs);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(dirs);
std::string exportDirs = cge->Evaluate(target->GetMakefile(), 0,
false, target);
if (cge->GetHadContextSensitiveCondition())
{
cmMakefile* mf = target->GetMakefile();
cmOStringStream e;
e << "Target \"" << target->GetName() << "\" is installed with "
"INCLUDES DESTINATION set to a context sensitive path. Paths which "
"depend on the configuration, policy values or the link interface are "
"not supported. Consider using target_include_directories instead.";
mf->IssueMessage(cmake::FATAL_ERROR, e.str());
return;
}
if (!input && exportDirs.empty())
{
return;
}
if ((input && !*input) && exportDirs.empty())
{
// Set to empty
properties[propName] = "";
return;
}
std::string includes = (input?input:"");
const char* sep = input ? ";" : "";
includes += sep + exportDirs;
std::string prepro = cmGeneratorExpression::Preprocess(includes,
preprocessRule,
true);
if (!prepro.empty())
{
this->ResolveTargetsInGeneratorExpressions(prepro, target,
missingTargets);
if (!checkInterfaceDirs(prepro, target))
{
return;
}
properties[propName] = prepro;
}
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::PopulateInterfaceProperty(const char *propName,
cmTarget *target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap &properties,
std::vector<std::string> &missingTargets)
{
this->PopulateInterfaceProperty(propName, propName, target, preprocessRule,
properties, missingTargets);
}
//----------------------------------------------------------------------------
void getPropertyContents(cmTarget *tgt, const char *prop,
std::set<std::string> &ifaceProperties)
{
const char *p = tgt->GetProperty(prop);
if (!p)
{
return;
}
std::vector<std::string> content;
cmSystemTools::ExpandListArgument(p, content);
for (std::vector<std::string>::const_iterator ci = content.begin();
ci != content.end(); ++ci)
{
ifaceProperties.insert(*ci);
}
}
//----------------------------------------------------------------------------
void getCompatibleInterfaceProperties(cmTarget *target,
std::set<std::string> &ifaceProperties,
const char *config)
{
cmComputeLinkInformation *info = target->GetLinkInformation(config);
if (!info)
{
if (target->GetType() != cmTarget::INTERFACE_LIBRARY)
{
cmMakefile* mf = target->GetMakefile();
cmOStringStream e;
e << "Exporting the target \"" << target->GetName() << "\" is not "
"allowed since its linker language cannot be determined";
mf->IssueMessage(cmake::FATAL_ERROR, e.str());
}
return;
}
const cmComputeLinkInformation::ItemVector &deps = info->GetItems();
for(cmComputeLinkInformation::ItemVector::const_iterator li =
deps.begin();
li != deps.end(); ++li)
{
if (!li->Target)
{
continue;
}
getPropertyContents(li->Target,
"COMPATIBLE_INTERFACE_BOOL",
ifaceProperties);
getPropertyContents(li->Target,
"COMPATIBLE_INTERFACE_STRING",
ifaceProperties);
}
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::PopulateCompatibleInterfaceProperties(
cmTarget *target,
ImportPropertyMap &properties)
{
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_BOOL",
target, properties);
this->PopulateInterfaceProperty("COMPATIBLE_INTERFACE_STRING",
target, properties);
std::set<std::string> ifaceProperties;
getPropertyContents(target, "COMPATIBLE_INTERFACE_BOOL", ifaceProperties);
getPropertyContents(target, "COMPATIBLE_INTERFACE_STRING", ifaceProperties);
getCompatibleInterfaceProperties(target, ifaceProperties, 0);
std::vector<std::string> configNames;
target->GetMakefile()->GetConfigurations(configNames);
for (std::vector<std::string>::const_iterator ci = configNames.begin();
ci != configNames.end(); ++ci)
{
getCompatibleInterfaceProperties(target, ifaceProperties, ci->c_str());
}
for (std::set<std::string>::const_iterator it = ifaceProperties.begin();
it != ifaceProperties.end(); ++it)
{
this->PopulateInterfaceProperty(("INTERFACE_" + *it).c_str(),
target, properties);
}
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateInterfaceProperties(cmTarget *target,
std::ostream& os,
const ImportPropertyMap &properties)
{
if (!properties.empty())
{
std::string targetName = this->Namespace;
targetName += target->GetExportName();
os << "set_target_properties(" << targetName << " PROPERTIES\n";
for(ImportPropertyMap::const_iterator pi = properties.begin();
pi != properties.end(); ++pi)
{
os << " " << pi->first << " \"" << pi->second << "\"\n";
}
os << ")\n\n";
}
}
//----------------------------------------------------------------------------
bool
cmExportFileGenerator::AddTargetNamespace(std::string &input,
cmTarget* target,
std::vector<std::string> &missingTargets)
{
cmMakefile *mf = target->GetMakefile();
cmTarget *tgt = mf->FindTargetToUse(input.c_str());
if (!tgt)
{
return false;
}
if(tgt->IsImported())
{
return true;
}
if(this->ExportedTargets.find(tgt) != this->ExportedTargets.end())
{
input = this->Namespace + tgt->GetExportName();
}
else
{
std::string namespacedTarget;
this->HandleMissingTarget(namespacedTarget, missingTargets,
mf, target, tgt);
if (!namespacedTarget.empty())
{
input = namespacedTarget;
}
}
return true;
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator::ResolveTargetsInGeneratorExpressions(
std::string &input,
cmTarget* target,
std::vector<std::string> &missingTargets,
FreeTargetsReplace replace)
{
if (replace == NoReplaceFreeTargets)
{
this->ResolveTargetsInGeneratorExpression(input, target, missingTargets);
return;
}
std::vector<std::string> parts;
cmGeneratorExpression::Split(input, parts);
std::string sep;
input = "";
for(std::vector<std::string>::iterator li = parts.begin();
li != parts.end(); ++li)
{
if (cmGeneratorExpression::Find(*li) == std::string::npos)
{
this->AddTargetNamespace(*li, target, missingTargets);
}
else
{
this->ResolveTargetsInGeneratorExpression(
*li,
target,
missingTargets);
}
input += sep + *li;
sep = ";";
}
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator::ResolveTargetsInGeneratorExpression(
std::string &input,
cmTarget* target,
std::vector<std::string> &missingTargets)
{
std::string::size_type pos = 0;
std::string::size_type lastPos = pos;
cmMakefile *mf = target->GetMakefile();
while((pos = input.find("$<TARGET_PROPERTY:", lastPos)) != input.npos)
{
std::string::size_type nameStartPos = pos +
sizeof("$<TARGET_PROPERTY:") - 1;
std::string::size_type closePos = input.find(">", nameStartPos);
std::string::size_type commaPos = input.find(",", nameStartPos);
std::string::size_type nextOpenPos = input.find("$<", nameStartPos);
if (commaPos == input.npos // Implied 'this' target
|| closePos == input.npos // Imcomplete 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, missingTargets))
{
input.replace(nameStartPos, commaPos - nameStartPos, targetName);
}
lastPos = nameStartPos + targetName.size() + 1;
}
std::string errorString;
pos = 0;
lastPos = pos;
while((pos = input.find("$<TARGET_NAME:", lastPos)) != input.npos)
{
std::string::size_type nameStartPos = pos + sizeof("$<TARGET_NAME:") - 1;
std::string::size_type endPos = input.find(">", nameStartPos);
if (endPos == input.npos)
{
errorString = "$<TARGET_NAME:...> expression incomplete";
break;
}
std::string targetName = input.substr(nameStartPos,
endPos - nameStartPos);
if(targetName.find("$<") != input.npos)
{
errorString = "$<TARGET_NAME:...> requires its parameter to be a "
"literal.";
break;
}
if (!this->AddTargetNamespace(targetName, target, missingTargets))
{
errorString = "$<TARGET_NAME:...> requires its parameter to be a "
"reachable target.";
break;
}
input.replace(pos, endPos - pos + 1, targetName);
lastPos = endPos;
}
this->ReplaceInstallPrefix(input);
if (!errorString.empty())
{
mf->IssueMessage(cmake::FATAL_ERROR, errorString);
}
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator::ReplaceInstallPrefix(std::string &)
{
// Do nothing
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::SetImportLinkInterface(const char* config, std::string const& suffix,
cmGeneratorExpression::PreprocessContext preprocessRule,
cmTarget* target, ImportPropertyMap& properties,
std::vector<std::string>& missingTargets)
{
// Add the transitive link dependencies for this configuration.
cmTarget::LinkInterface const* iface = target->GetLinkInterface(config,
target);
if (!iface)
{
return;
}
if (iface->ImplementationIsInterface)
{
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LIBRARIES",
iface->Libraries, properties, missingTargets);
return;
}
const char *propContent;
if (const char *prop_suffixed = target->GetProperty(
("LINK_INTERFACE_LIBRARIES" + suffix).c_str()))
{
propContent = prop_suffixed;
}
else if (const char *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)
{
cmMakefile *mf = target->GetMakefile();
cmOStringStream 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";
mf->IssueMessage(cmake::FATAL_ERROR, e.str());
return;
}
if (!*propContent)
{
properties["IMPORTED_LINK_INTERFACE_LIBRARIES" + suffix] = "";
return;
}
std::string prepro = cmGeneratorExpression::Preprocess(propContent,
preprocessRule);
if (!prepro.empty())
{
this->ResolveTargetsInGeneratorExpressions(prepro, target,
missingTargets,
ReplaceFreeTargets);
properties["IMPORTED_LINK_INTERFACE_LIBRARIES" + suffix] = prepro;
}
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::SetImportDetailProperties(const char* config, std::string const& suffix,
cmTarget* target, ImportPropertyMap& properties,
std::vector<std::string>& missingTargets
)
{
// Get the makefile in which to lookup target information.
cmMakefile* mf = target->GetMakefile();
// Add the soname for unix shared libraries.
if(target->GetType() == cmTarget::SHARED_LIBRARY ||
target->GetType() == cmTarget::MODULE_LIBRARY)
{
// Check whether this is a DLL platform.
bool dll_platform =
(mf->IsOn("WIN32") || mf->IsOn("CYGWIN") || mf->IsOn("MINGW"));
if(!dll_platform)
{
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(cmTarget::LinkInterface const* iface = target->GetLinkInterface(config,
target))
{
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LANGUAGES",
iface->Languages, properties, missingTargets);
std::vector<std::string> dummy;
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_DEPENDENT_LIBRARIES",
iface->SharedDeps, properties, dummy);
if(iface->Multiplicity > 0)
{
std::string prop = "IMPORTED_LINK_INTERFACE_MULTIPLICITY";
prop += suffix;
cmOStringStream m;
m << iface->Multiplicity;
properties[prop] = m.str();
}
}
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::SetImportLinkProperty(std::string const& suffix,
cmTarget* target,
const char* propName,
std::vector<std::string> const& libs,
ImportPropertyMap& properties,
std::vector<std::string>& missingTargets
)
{
// Skip the property if there are no libraries.
if(libs.empty())
{
return;
}
// Construct the property value.
std::string link_libs;
const char* sep = "";
for(std::vector<std::string>::const_iterator li = libs.begin();
li != libs.end(); ++li)
{
// Separate this from the previous entry.
link_libs += sep;
sep = ";";
std::string temp = *li;
this->AddTargetNamespace(temp, target, missingTargets);
link_libs += temp;
}
// Store the property.
std::string prop = propName;
prop += suffix;
properties[prop] = link_libs;
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateImportHeaderCode(std::ostream& os,
const char* config)
{
os << "#----------------------------------------------------------------\n"
<< "# Generated CMake target import file";
if(config)
{
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.
os << "# Commands may need to know the format version.\n"
<< "set(CMAKE_IMPORT_FILE_VERSION 1)\n"
<< "\n";
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateExpectedTargetsCode(std::ostream& os,
const std::string &expectedTargets)
{
os << "# Protect against multiple inclusion, which would fail when already "
"imported targets are added once more.\n"
"set(_targetsDefined)\n"
"set(_targetsNotDefined)\n"
"set(_expectedTargets)\n"
"foreach(_expectedTarget " << expectedTargets << ")\n"
" list(APPEND _expectedTargets ${_expectedTarget})\n"
" if(NOT TARGET ${_expectedTarget})\n"
" list(APPEND _targetsNotDefined ${_expectedTarget})\n"
" endif()\n"
" if(TARGET ${_expectedTarget})\n"
" list(APPEND _targetsDefined ${_expectedTarget})\n"
" endif()\n"
"endforeach()\n"
"if(\"${_targetsDefined}\" STREQUAL \"${_expectedTargets}\")\n"
" set(CMAKE_IMPORT_FILE_VERSION)\n"
" cmake_policy(POP)\n"
" return()\n"
"endif()\n"
"if(NOT \"${_targetsDefined}\" STREQUAL \"\")\n"
" message(FATAL_ERROR \"Some (but not all) targets in this export "
"set were already defined.\\nTargets Defined: ${_targetsDefined}\\n"
"Targets not yet defined: ${_targetsNotDefined}\\n\")\n"
"endif()\n"
"unset(_targetsDefined)\n"
"unset(_targetsNotDefined)\n"
"unset(_expectedTargets)\n"
"\n\n";
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::GenerateImportTargetCode(std::ostream& os, cmTarget* target)
{
// Construct the imported target name.
std::string targetName = this->Namespace;
targetName += target->GetExportName();
// Create the imported target.
os << "# Create imported target " << targetName << "\n";
switch(target->GetType())
{
case cmTarget::EXECUTABLE:
os << "add_executable(" << targetName << " IMPORTED)\n";
break;
case cmTarget::STATIC_LIBRARY:
os << "add_library(" << targetName << " STATIC IMPORTED)\n";
break;
case cmTarget::SHARED_LIBRARY:
os << "add_library(" << targetName << " SHARED IMPORTED)\n";
break;
case cmTarget::MODULE_LIBRARY:
os << "add_library(" << targetName << " MODULE IMPORTED)\n";
break;
case cmTarget::UNKNOWN_LIBRARY:
os << "add_library(" << targetName << " UNKNOWN IMPORTED)\n";
break;
case cmTarget::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())
{
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";
}
os << "\n";
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::GenerateImportPropertyCode(std::ostream& os, const char* config,
cmTarget* target,
ImportPropertyMap const& properties)
{
// 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 && *config)
{
os << cmSystemTools::UpperCase(config);
}
else
{
os << "NOCONFIG";
}
os << ")\n";
os << "set_target_properties(" << targetName << " PROPERTIES\n";
for(ImportPropertyMap::const_iterator pi = properties.begin();
pi != properties.end(); ++pi)
{
os << " " << pi->first << " \"" << pi->second << "\"\n";
}
os << " )\n"
<< "\n";
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateMissingTargetsCheckCode(std::ostream& os,
const std::vector<std::string>& missingTargets)
{
if (missingTargets.empty())
{
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";
return;
}
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 ";
std::set<std::string> emitted;
for(unsigned int i=0; i<missingTargets.size(); ++i)
{
if (emitted.insert(missingTargets[i]).second)
{
os << "\"" << missingTargets[i] << "\" ";
}
}
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";
}
//----------------------------------------------------------------------------
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.).
os << "# Loop over all imported files and verify that they actually exist\n"
"foreach(target ${_IMPORT_CHECK_TARGETS} )\n"
" foreach(file ${_IMPORT_CHECK_FILES_FOR_${target}} )\n"
" if(NOT EXISTS \"${file}\" )\n"
" message(FATAL_ERROR \"The imported target \\\"${target}\\\""
" references the file\n"
" \\\"${file}\\\"\n"
"but this file does not exist. Possible reasons include:\n"
"* The file was deleted, renamed, or moved to another location.\n"
"* An install or uninstall procedure did not complete successfully.\n"
"* The installation package was faulty and contained\n"
" \\\"${CMAKE_CURRENT_LIST_FILE}\\\"\n"
"but not all the files it references.\n"
"\")\n"
" endif()\n"
" endforeach()\n"
" unset(_IMPORT_CHECK_FILES_FOR_${target})\n"
"endforeach()\n"
"unset(_IMPORT_CHECK_TARGETS)\n"
"\n";
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::GenerateImportedFileChecksCode(std::ostream& os, cmTarget* target,
ImportPropertyMap const& properties,
const std::set<std::string>& importedLocations)
{
// Construct the imported target name.
std::string targetName = this->Namespace;
targetName += target->GetExportName();
os << "list(APPEND _IMPORT_CHECK_TARGETS " << targetName << " )\n"
"list(APPEND _IMPORT_CHECK_FILES_FOR_" << targetName << " ";
for(std::set<std::string>::const_iterator li = importedLocations.begin();
li != importedLocations.end();
++li)
{
ImportPropertyMap::const_iterator pi = properties.find(*li);
if (pi != properties.end())
{
os << "\"" << pi->second << "\" ";
}
}
os << ")\n\n";
}
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