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CMake/Source/cmExportFileGenerator.cxx

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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 "cmGeneratedFileStream.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmVersion.h"
#include <cmsys/auto_ptr.hxx>
//----------------------------------------------------------------------------
cmExportFileGenerator::cmExportFileGenerator()
{
this->AppendMode = 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(\"${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}\" LESS 2.5)\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)
{
// 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);
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator
::SetImportDetailProperties(const char* config, std::string const& suffix,
cmTarget* target, ImportPropertyMap& properties)
{
// 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 soname = target->GetSOName(config);
std::string prop = "IMPORTED_SONAME";
prop += suffix;
properties[prop] = soname;
}
}
// Add the transitive link dependencies for this configuration.
if(cmTarget::LinkInterface const* iface = target->GetLinkInterface(config))
{
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LANGUAGES",
iface->Languages, properties);
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LIBRARIES",
iface->Libraries, properties);
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_DEPENDENT_LIBRARIES",
iface->SharedDeps, properties);
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)
{
// Skip the property if there are no libraries.
if(libs.empty())
{
return;
}
// Get the makefile in which to lookup target information.
cmMakefile* mf = target->GetMakefile();
// 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 = ";";
// Append this entry.
if(cmTarget* tgt = mf->FindTargetToUse(li->c_str()))
{
// This is a target.
if(tgt->IsImported())
{
// The target is imported (and therefore is not in the
// export). Append the raw name.
link_libs += *li;
}
else if(this->ExportedTargets.find(tgt) != this->ExportedTargets.end())
{
// The target is in the export. Append it with the export
// namespace.
link_libs += this->Namespace;
link_libs += *li;
}
else
{
// The target is not in the export.
if(!this->AppendMode)
{
// We are not appending, so all exported targets should be
// known here. This is probably user-error.
this->ComplainAboutMissingTarget(target, tgt);
}
// Assume the target will be exported by another command.
// Append it with the export namespace.
link_libs += this->Namespace;
link_libs += *li;
}
}
else
{
// Append the raw name.
link_libs += *li;
}
}
// 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
::GenerateImportTargetCode(std::ostream& os, cmTarget* target)
{
// Construct the imported target name.
std::string targetName = this->Namespace;
targetName += target->GetName();
// 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;
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->GetName();
// 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::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->GetName();
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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