CMake/Source/cmMakefileLibraryTargetGene...

956 lines
32 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmMakefileLibraryTargetGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
#include "cmake.h"
#include <memory> // auto_ptr
//----------------------------------------------------------------------------
cmMakefileLibraryTargetGenerator::cmMakefileLibraryTargetGenerator()
{
this->CustomCommandDriver = OnDepends;
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteRuleFiles()
{
// create the build.make file and directory, put in the common blocks
this->CreateRuleFile();
// write rules used to help build object files
this->WriteCommonCodeRules();
// write in rules for object files and custom commands
this->WriteTargetBuildRules();
// write the per-target per-language flags
this->WriteTargetLanguageFlags();
// write the link rules
// Write the rule for this target type.
switch(this->Target->GetType())
{
case cmTarget::STATIC_LIBRARY:
this->WriteStaticLibraryRules();
break;
case cmTarget::SHARED_LIBRARY:
this->WriteSharedLibraryRules(false);
if(this->Target->NeedRelinkBeforeInstall())
{
// Write rules to link an installable version of the target.
this->WriteSharedLibraryRules(true);
}
break;
case cmTarget::MODULE_LIBRARY:
this->WriteModuleLibraryRules(false);
if(this->Target->NeedRelinkBeforeInstall())
{
// Write rules to link an installable version of the target.
this->WriteModuleLibraryRules(true);
}
break;
default:
// If language is not known, this is an error.
cmSystemTools::Error("Unknown Library Type");
break;
}
// Write the requires target.
this->WriteTargetRequiresRules();
// Write clean target
this->WriteTargetCleanRules();
// Write the dependency generation rule. This must be done last so
// that multiple output pair information is available.
this->WriteTargetDependRules();
// close the streams
this->CloseFileStreams();
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteStaticLibraryRules()
{
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
std::string linkRuleVar = "CMAKE_";
if (linkLanguage)
{
linkRuleVar += linkLanguage;
}
linkRuleVar += "_CREATE_STATIC_LIBRARY";
std::string extraFlags;
this->LocalGenerator->AppendFlags
(extraFlags,this->Target->GetProperty("STATIC_LIBRARY_FLAGS"));
this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), false);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteSharedLibraryRules(bool relink)
{
if(this->Target->IsFrameworkOnApple())
{
this->WriteFrameworkRules(relink);
return;
}
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
std::string linkRuleVar = "CMAKE_";
if (linkLanguage)
{
linkRuleVar += linkLanguage;
}
linkRuleVar += "_CREATE_SHARED_LIBRARY";
std::string extraFlags;
this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig +=
cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName.c_str());
this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig.c_str()));
this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_SHARED_LINKER_FLAGS",
this->LocalGenerator->ConfigurationName.c_str());
if(this->Makefile->IsOn("WIN32") && !(this->Makefile->IsOn("CYGWIN")
|| this->Makefile->IsOn("MINGW")))
{
const std::vector<cmSourceFile*>& sources =
this->Target->GetSourceFiles();
for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
i != sources.end(); ++i)
{
cmSourceFile* sf = *i;
if(sf->GetExtension() == "def")
{
extraFlags += " ";
extraFlags +=
this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
extraFlags +=
this->Convert(sf->GetFullPath().c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
}
}
}
this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteModuleLibraryRules(bool relink)
{
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
std::string linkRuleVar = "CMAKE_";
if (linkLanguage)
{
linkRuleVar += linkLanguage;
}
linkRuleVar += "_CREATE_SHARED_MODULE";
std::string extraFlags;
this->LocalGenerator->AppendFlags(extraFlags,
this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig +=
cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName.c_str());
this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig.c_str()));
this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_MODULE_LINKER_FLAGS",
this->LocalGenerator->ConfigurationName.c_str());
// TODO: .def files should be supported here also.
this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteFrameworkRules(bool relink)
{
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
std::string linkRuleVar = "CMAKE_";
if (linkLanguage)
{
linkRuleVar += linkLanguage;
}
linkRuleVar += "_CREATE_MACOSX_FRAMEWORK";
std::string extraFlags;
this->LocalGenerator->AppendFlags(extraFlags,
this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig +=
cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName.c_str());
this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig.c_str()));
this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_MACOSX_FRAMEWORK_LINKER_FLAGS",
this->LocalGenerator->ConfigurationName.c_str());
// TODO: .def files should be supported here also.
this->WriteLibraryRules(linkRuleVar.c_str(), extraFlags.c_str(), relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::CreateFrameworkLinksAndDirs(
std::string& targetName,
std::string& outpath,
const char* version)
{
std::string symlink;
std::string symlink2;
// Make foo.framework/Versions
std::string dir = outpath;
dir += "Versions";
cmSystemTools::MakeDirectory(dir.c_str());
std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
// cd foo.framework to setup symlinks with relative paths
cmSystemTools::ChangeDirectory((outpath+"Versions").c_str());
// Current -> version
symlink = version;
symlink2 = "Current";
cmSystemTools::RemoveFile("Current");
cmSystemTools::CreateSymlink(symlink.c_str(), symlink2.c_str());
this->Makefile->AddCMakeOutputFile((outpath + "Versions/Current").c_str());
// change to top level of framework to create next set of symlinks
cmSystemTools::ChangeDirectory(outpath.c_str());
// foo -> Versions/Current/foo
symlink = "Versions/Current/";
symlink += targetName;
symlink2 = targetName;
cmSystemTools::CreateSymlink(symlink.c_str(), symlink2.c_str());
this->Makefile->AddCMakeOutputFile((outpath + targetName).c_str());
// Resources -> Versions/Current/Resources
symlink = "Versions/Current/Resources";
symlink2 = "Resources";
cmSystemTools::CreateSymlink(symlink.c_str(), symlink2.c_str());
this->Makefile->AddCMakeOutputFile((outpath + "Resources").c_str());
// Headers -> Versions/Current/Headers
symlink = "Versions/Current/Headers";
symlink2 = "Headers";
cmSystemTools::CreateSymlink(symlink.c_str(), symlink2.c_str());
this->Makefile->AddCMakeOutputFile((outpath + "Headers").c_str());
// PrivateHeaders -> Versions/Current/PrivateHeaders
symlink = "Versions/Current/PrivateHeaders";
symlink2 = "PrivateHeaders";
cmSystemTools::CreateSymlink(symlink.c_str(), symlink2.c_str());
this->Makefile->AddCMakeOutputFile((outpath + "PrivateHeaders").c_str());
// go back to where we were
cmSystemTools::ChangeDirectory(cwd.c_str());
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::CopyFrameworkSources(
std::string& targetName,
std::string& outpath,
const char* /*version*/ ,
const char* propertyName,
const char* subdir)
{
std::string fullOutput = outpath + targetName;
cmCustomCommandLines commandLines;
std::vector<std::string> depends;
const std::vector<cmSourceFile*>& sources =
this->Target->GetSourceFiles();
std::string propName(propertyName);
for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
i != sources.end(); ++i)
{
cmSourceFile* sf = *i;
if(!sf)
{
cmSystemTools::Error(
"could not find framework source file", "");
continue;
}
cmTarget::SourceFileFlags tsFlags =
this->Target->GetTargetSourceFileFlags(sf);
// If processing public headers, skip headers also marked with the private
// property. Private wins.
//
if(tsFlags.PrivateHeader && (propName == "PUBLIC_HEADER"))
{
continue;
}
if(tsFlags.PrivateHeader && (propName == "PRIVATE_HEADER") ||
tsFlags.PublicHeader && (propName == "PUBLIC_HEADER") ||
tsFlags.Resource && (propName == "RESOURCE"))
{
cmCustomCommandLine line;
std::string dest = outpath + subdir + "/";
dest += cmSystemTools::GetFilenameName(sf->GetFullPath());
line.push_back("$(CMAKE_COMMAND)");
line.push_back("-E");
line.push_back("copy_if_different");
line.push_back(sf->GetFullPath());
depends.push_back(sf->GetFullPath());
line.push_back(dest);
commandLines.push_back(line);
// make sure the target gets rebuilt if any of the headers is removed
this->GenerateExtraOutput(dest.c_str(), fullOutput.c_str());
}
}
// add a set of prebuild commands to run on the target
if(!commandLines.empty())
{
this->Makefile->
AddCustomCommandToTarget(this->Target->GetName(),
depends,
commandLines,
cmTarget::PRE_BUILD,
"copy files",
this->Makefile->GetCurrentOutputDirectory());
}
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::CreateFramework(
std::string& targetName,
std::string& outpath)
{
std::string macdir = outpath;
const char* version = this->Target->GetProperty("FRAMEWORK_VERSION");
if(!version)
{
version = this->Target->GetProperty("VERSION");
}
if(!version)
{
version = "A";
}
// create the symbolic links and directories
this->CreateFrameworkLinksAndDirs(targetName,
outpath,
version);
macdir += "Versions/";
macdir += version;
macdir += "/";
outpath += "Versions/";
outpath += version;
outpath += "/";
//cmSystemTools::MakeDirectory((macdir + "Libraries").c_str());
cmSystemTools::MakeDirectory((macdir + "Headers").c_str());
// Configure the Info.plist file. Note that it needs the executable name
// to be set
std::string rsrcDir = macdir + "Resources/";
cmSystemTools::MakeDirectory(rsrcDir.c_str());
this->Makefile->AddDefinition("MACOSX_FRAMEWORK_NAME",
targetName.c_str());
std::string f1 =
this->Makefile->GetModulesFile("MacOSXFrameworkInfo.plist.in");
if ( f1.size() == 0 )
{
cmSystemTools::Error(
"could not find Mac OSX framework Info.plist template file.");
}
std::string f2 = rsrcDir + "Info.plist";
this->Makefile->ConfigureFile(f1.c_str(), f2.c_str(),
false, false, false);
this->CopyFrameworkSources(targetName, outpath, version,
"PRIVATE_HEADER", "PrivateHeaders");
this->CopyFrameworkSources(targetName, outpath, version,
"PUBLIC_HEADER", "Headers");
this->CopyFrameworkSources(targetName, outpath, version,
"RESOURCE", "Resources");
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteLibraryRules
(const char* linkRuleVar, const char* extraFlags, bool relink)
{
// TODO: Merge the methods that call this method to avoid
// code duplication.
std::vector<std::string> commands;
std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
std::string objTarget;
// Build list of dependencies.
std::vector<std::string> depends;
for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
obj != this->Objects.end(); ++obj)
{
objTarget = relPath;
objTarget += *obj;
depends.push_back(objTarget);
}
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends);
// Add a dependency on the rule file itself.
this->LocalGenerator->AppendRuleDepend(depends,
this->BuildFileNameFull.c_str());
for(std::vector<std::string>::const_iterator obj
= this->ExternalObjects.begin();
obj != this->ExternalObjects.end(); ++obj)
{
depends.push_back(*obj);
}
// Get the language to use for linking this library.
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
// Make sure we have a link language.
if(!linkLanguage)
{
cmSystemTools::Error("Cannot determine link language for target \"",
this->Target->GetName(), "\".");
return;
}
// Create set of linking flags.
std::string linkFlags;
this->LocalGenerator->AppendFlags(linkFlags, extraFlags);
// Construct the name of the library.
std::string targetName;
std::string targetNameSO;
std::string targetNameReal;
std::string targetNameImport;
std::string targetNamePDB;
this->Target->GetLibraryNames(
targetName, targetNameSO, targetNameReal, targetNameImport, targetNamePDB,
this->LocalGenerator->ConfigurationName.c_str());
// Construct the full path version of the names.
std::string outpath;
std::string outpathImp;
if(relink)
{
outpath = this->Makefile->GetStartOutputDirectory();
outpath += cmake::GetCMakeFilesDirectory();
outpath += "/CMakeRelink.dir";
cmSystemTools::MakeDirectory(outpath.c_str());
outpath += "/";
if(!targetNameImport.empty())
{
outpathImp = outpath;
}
}
else
{
outpath = this->Target->GetDirectory();
outpath += "/";
if(!targetNameImport.empty())
{
outpathImp = this->Target->GetDirectory(0, true);
outpathImp += "/";
}
}
// If we're creating a framework, place the output into a framework directory
if(this->Target->IsFrameworkOnApple())
{
this->CreateFramework(targetName, outpath);
}
std::string targetFullPath = outpath + targetName;
std::string targetFullPathPDB = outpath + targetNamePDB;
std::string targetFullPathSO = outpath + targetNameSO;
std::string targetFullPathReal = outpath + targetNameReal;
std::string targetFullPathImport = outpathImp + targetNameImport;
// Construct the output path version of the names for use in command
// arguments.
std::string targetOutPathPDB =
this->Convert(targetFullPathPDB.c_str(),cmLocalGenerator::FULL,
cmLocalGenerator::SHELL);
std::string targetOutPath =
this->Convert(targetFullPath.c_str(),cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathSO =
this->Convert(targetFullPathSO.c_str(),cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathReal =
this->Convert(targetFullPathReal.c_str(),cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathImport =
this->Convert(targetFullPathImport.c_str(),cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
// Add the link message.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
const char* forbiddenFlagVar = 0;
switch(this->Target->GetType())
{
case cmTarget::STATIC_LIBRARY:
buildEcho += " static library ";
break;
case cmTarget::SHARED_LIBRARY:
forbiddenFlagVar = "_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS";
buildEcho += " shared library ";
break;
case cmTarget::MODULE_LIBRARY:
forbiddenFlagVar = "_CREATE_SHARED_MODULE_FORBIDDEN_FLAGS";
buildEcho += " shared module ";
break;
default:
buildEcho += " library ";
break;
}
buildEcho += targetOutPath.c_str();
this->LocalGenerator->AppendEcho(commands, buildEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoLink);
// Construct a list of files associated with this library that may
// need to be cleaned.
std::vector<std::string> libCleanFiles;
if(this->Target->GetPropertyAsBool("CLEAN_DIRECT_OUTPUT"))
{
// The user has requested that only the files directly built
// by this target be cleaned instead of all possible names.
libCleanFiles.push_back(this->Convert(targetFullPath.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
if(targetNameReal != targetName)
{
libCleanFiles.push_back(this->Convert(targetFullPathReal.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(targetNameSO != targetName &&
targetNameSO != targetNameReal)
{
libCleanFiles.push_back(this->Convert(targetFullPathSO.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(!targetNameImport.empty())
{
libCleanFiles.push_back(this->Convert(targetFullPathImport.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
}
else
{
// This target may switch between static and shared based
// on a user option or the BUILD_SHARED_LIBS switch. Clean
// all possible names.
std::string cleanStaticName;
std::string cleanSharedName;
std::string cleanSharedSOName;
std::string cleanSharedRealName;
std::string cleanImportName;
std::string cleanPDBName;
this->Target->GetLibraryCleanNames(
cleanStaticName,
cleanSharedName,
cleanSharedSOName,
cleanSharedRealName,
cleanImportName,
cleanPDBName,
this->LocalGenerator->ConfigurationName.c_str());
std::string cleanFullStaticName = outpath + cleanStaticName;
std::string cleanFullSharedName = outpath + cleanSharedName;
std::string cleanFullSharedSOName = outpath + cleanSharedSOName;
std::string cleanFullSharedRealName = outpath + cleanSharedRealName;
std::string cleanFullImportName = outpathImp + cleanImportName;
std::string cleanFullPDBName = outpath + cleanPDBName;
libCleanFiles.push_back
(this->Convert(cleanFullStaticName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
if(cleanSharedRealName != cleanStaticName)
{
libCleanFiles.push_back(this->Convert(cleanFullSharedRealName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(cleanSharedSOName != cleanStaticName &&
cleanSharedSOName != cleanSharedRealName)
{
libCleanFiles.push_back(this->Convert(cleanFullSharedSOName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(cleanSharedName != cleanStaticName &&
cleanSharedName != cleanSharedSOName &&
cleanSharedName != cleanSharedRealName)
{
libCleanFiles.push_back(this->Convert(cleanFullSharedName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(!cleanImportName.empty())
{
libCleanFiles.push_back(this->Convert(cleanFullImportName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
// List the PDB for cleaning only when the whole target is
// cleaned. We do not want to delete the .pdb file just before
// linking the target.
this->CleanFiles.push_back
(this->Convert(cleanFullPDBName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
#ifdef _WIN32
// There may be a manifest file for this target. Add it to the
// clean set just in case.
if(this->Target->GetType() != cmTarget::STATIC_LIBRARY)
{
libCleanFiles.push_back(
this->Convert((targetFullPath+".manifest").c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
#endif
std::vector<std::string> commands1;
// Add a command to remove any existing files for this library.
// for static libs only
if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
{
this->LocalGenerator->AppendCleanCommand(commands1, libCleanFiles,
*this->Target, "target");
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
}
// Add the pre-build and pre-link rules building but not when relinking.
if(!relink)
{
this->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreBuildCommands());
this->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreLinkCommands());
}
// Determine whether a link script will be used.
bool useLinkScript = this->GlobalGenerator->GetUseLinkScript();
// For static libraries there might be archiving rules.
std::vector<std::string> archiveCreateCommands;
std::vector<std::string> archiveAppendCommands;
std::vector<std::string> archiveFinishCommands;
std::string::size_type archiveCommandLimit = std::string::npos;
if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
{
std::string arCreateVar = "CMAKE_";
arCreateVar += linkLanguage;
arCreateVar += "_ARCHIVE_CREATE";
if(const char* rule = this->Makefile->GetDefinition(arCreateVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveCreateCommands);
}
std::string arAppendVar = "CMAKE_";
arAppendVar += linkLanguage;
arAppendVar += "_ARCHIVE_APPEND";
if(const char* rule = this->Makefile->GetDefinition(arAppendVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveAppendCommands);
}
std::string arFinishVar = "CMAKE_";
arFinishVar += linkLanguage;
arFinishVar += "_ARCHIVE_FINISH";
if(const char* rule = this->Makefile->GetDefinition(arFinishVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveFinishCommands);
}
}
// Decide whether to use archiving rules.
bool useArchiveRules =
!archiveCreateCommands.empty() && !archiveAppendCommands.empty();
if(useArchiveRules)
{
// Archiving rules are always run with a link script.
useLinkScript = true;
// Limit the length of individual object lists to less than the
// 32K command line length limit on Windows. We could make this a
// platform file variable but this should work everywhere.
archiveCommandLimit = 30000;
}
// Expand the rule variables.
std::vector<std::string> real_link_commands;
{
// Set path conversion for link script shells.
this->LocalGenerator->SetLinkScriptShell(useLinkScript);
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
if(this->Target->GetType() != cmTarget::STATIC_LIBRARY)
{
this->LocalGenerator
->OutputLinkLibraries(linklibs, *this->Target, relink);
}
// Construct object file lists that may be needed to expand the
// rule.
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(variableName, variableNameExternal);
std::string buildObjs;
if(useLinkScript)
{
if(!useArchiveRules)
{
this->WriteObjectsString(buildObjs);
}
}
else
{
buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
}
std::string cleanObjs = "$(";
cleanObjs += variableName;
cleanObjs += ")";
cmLocalGenerator::RuleVariables vars;
vars.TargetPDB = targetOutPathPDB.c_str();
// Setup the target version.
std::string targetVersionMajor;
std::string targetVersionMinor;
{
cmOStringStream majorStream;
cmOStringStream minorStream;
int major;
int minor;
this->Target->GetTargetVersion(major, minor);
majorStream << major;
minorStream << minor;
targetVersionMajor = majorStream.str();
targetVersionMinor = minorStream.str();
}
vars.TargetVersionMajor = targetVersionMajor.c_str();
vars.TargetVersionMinor = targetVersionMinor.c_str();
vars.Language = linkLanguage;
vars.Objects = buildObjs.c_str();
std::string objdir = cmake::GetCMakeFilesDirectoryPostSlash();
objdir += this->Target->GetName();
objdir += ".dir";
vars.ObjectDir = objdir.c_str();
vars.Target = targetOutPathReal.c_str();
std::string linkString = linklibs.str();
vars.LinkLibraries = linkString.c_str();
vars.ObjectsQuoted = buildObjs.c_str();
vars.TargetSOName= targetNameSO.c_str();
vars.LinkFlags = linkFlags.c_str();
// Compute the directory portion of the install_name setting.
std::string install_name_dir;
if(this->Target->GetType() == cmTarget::SHARED_LIBRARY)
{
// Get the install_name directory for the build tree.
const char* config = this->LocalGenerator->ConfigurationName.c_str();
install_name_dir = this->Target->GetInstallNameDirForBuildTree(config);
// Set the rule variable replacement value.
if(install_name_dir.empty())
{
vars.TargetInstallNameDir = "";
}
else
{
// Convert to a path for the native build tool.
install_name_dir =
this->LocalGenerator->Convert(install_name_dir.c_str(),
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL, false);
vars.TargetInstallNameDir = install_name_dir.c_str();
}
}
std::string langFlags;
this->LocalGenerator
->AddLanguageFlags(langFlags, linkLanguage,
this->LocalGenerator->ConfigurationName.c_str());
// remove any language flags that might not work with the
// particular os
if(forbiddenFlagVar)
{
this->RemoveForbiddenFlags(forbiddenFlagVar,
linkLanguage, langFlags);
}
vars.LanguageCompileFlags = langFlags.c_str();
// Construct the main link rule and expand placeholders.
this->LocalGenerator->TargetImplib = targetOutPathImport;
if(useArchiveRules)
{
// Construct the individual object list strings.
std::vector<std::string> object_strings;
this->WriteObjectsStrings(object_strings, archiveCommandLimit);
// Create the archive with the first set of objects.
std::vector<std::string>::iterator osi = object_strings.begin();
{
vars.Objects = osi->c_str();
for(std::vector<std::string>::const_iterator
i = archiveCreateCommands.begin();
i != archiveCreateCommands.end(); ++i)
{
std::string cmd = *i;
this->LocalGenerator->ExpandRuleVariables(cmd, vars);
real_link_commands.push_back(cmd);
}
}
// Append to the archive with the other object sets.
for(++osi; osi != object_strings.end(); ++osi)
{
vars.Objects = osi->c_str();
for(std::vector<std::string>::const_iterator
i = archiveAppendCommands.begin();
i != archiveAppendCommands.end(); ++i)
{
std::string cmd = *i;
this->LocalGenerator->ExpandRuleVariables(cmd, vars);
real_link_commands.push_back(cmd);
}
}
// Finish the archive.
vars.Objects = "";
for(std::vector<std::string>::const_iterator
i = archiveFinishCommands.begin();
i != archiveFinishCommands.end(); ++i)
{
std::string cmd = *i;
this->LocalGenerator->ExpandRuleVariables(cmd, vars);
real_link_commands.push_back(cmd);
}
}
else
{
// Get the set of commands.
std::string linkRule = this->Makefile->GetRequiredDefinition(linkRuleVar);
cmSystemTools::ExpandListArgument(linkRule, real_link_commands);
// Expand placeholders.
for(std::vector<std::string>::iterator i = real_link_commands.begin();
i != real_link_commands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i, vars);
}
}
this->LocalGenerator->TargetImplib = "";
// Restore path conversion to normal shells.
this->LocalGenerator->SetLinkScriptShell(false);
}
// Optionally convert the build rule to use a script to avoid long
// command lines in the make shell.
if(useLinkScript)
{
// Use a link script.
const char* name = (relink? "relink.txt" : "link.txt");
this->CreateLinkScript(name, real_link_commands, commands1);
}
else
{
// No link script. Just use the link rule directly.
commands1 = real_link_commands;
}
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
// Add a rule to create necessary symlinks for the library.
if(targetOutPath != targetOutPathReal)
{
std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_library ";
symlink += targetOutPathReal;
symlink += " ";
symlink += targetOutPathSO;
symlink += " ";
symlink += targetOutPath;
commands1.push_back(symlink);
this->LocalGenerator->CreateCDCommand(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
}
// Add the post-build rules when building but not when relinking.
if(!relink)
{
this->LocalGenerator->
AppendCustomCommands(commands, this->Target->GetPostBuildCommands());
}
// Write the build rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
targetFullPathReal.c_str(),
depends, commands, false);
// Some targets have more than one output file. Create rules to
// drive the build if any extra outputs are missing.
std::vector<std::string> extraOutputs;
if(targetNameSO != targetNameReal)
{
this->GenerateExtraOutput(targetFullPathSO.c_str(),
targetFullPathReal.c_str());
}
if(targetName != targetNameSO &&
targetName != targetNameReal)
{
this->GenerateExtraOutput(targetFullPath.c_str(),
targetFullPathReal.c_str());
}
// Write the main driver rule to build everything in this target.
this->WriteTargetDriverRule(targetFullPath.c_str(), relink);
// Clean all the possible library names and symlinks.
this->CleanFiles.insert(this->CleanFiles.end(),
libCleanFiles.begin(),libCleanFiles.end());
}