CMake/Source/cmMakefileLibraryTargetGene...

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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 "cmMakefileLibraryTargetGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
#include "cmake.h"
//----------------------------------------------------------------------------
cmMakefileLibraryTargetGenerator
::cmMakefileLibraryTargetGenerator(cmGeneratorTarget* target):
cmMakefileTargetGenerator(target->Target)
{
this->CustomCommandDriver = OnDepends;
if (this->Target->GetType() != cmTarget::INTERFACE_LIBRARY)
{
this->Target->GetLibraryNames(
this->TargetNameOut, this->TargetNameSO, this->TargetNameReal,
this->TargetNameImport, this->TargetNamePDB, this->ConfigName);
}
this->OSXBundleGenerator = new cmOSXBundleGenerator(target,
this->ConfigName);
this->OSXBundleGenerator->SetMacContentFolders(&this->MacContentFolders);
}
//----------------------------------------------------------------------------
cmMakefileLibraryTargetGenerator
::~cmMakefileLibraryTargetGenerator()
{
delete this->OSXBundleGenerator;
}
//----------------------------------------------------------------------------
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 the per-target per-language flags
this->WriteTargetLanguageFlags();
// write in rules for object files and custom commands
this->WriteTargetBuildRules();
// 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(this->ConfigName))
{
// 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(this->ConfigName))
{
// Write rules to link an installable version of the target.
this->WriteModuleLibraryRules(true);
}
break;
case cmTarget::OBJECT_LIBRARY:
this->WriteObjectLibraryRules();
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::WriteObjectLibraryRules()
{
std::vector<std::string> commands;
std::vector<std::string> depends;
// Add post-build rules.
this->LocalGenerator->
AppendCustomCommands(commands, this->Target->GetPostBuildCommands(),
this->Target);
// Depend on the object files.
this->AppendObjectDepends(depends);
// Write the rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
this->Target->GetName(),
depends, commands, true);
// Write the main driver rule to build everything in this target.
this->WriteTargetDriverRule(this->Target->GetName(), false);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteStaticLibraryRules()
{
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_STATIC_LIBRARY";
if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION") &&
this->Makefile->GetDefinition(linkRuleVar+"_IPO"))
{
linkRuleVar += "_IPO";
}
std::string extraFlags;
this->LocalGenerator->GetStaticLibraryFlags(extraFlags,
cmSystemTools::UpperCase(this->ConfigName), this->Target);
this->WriteLibraryRules(linkRuleVar, extraFlags, false);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteSharedLibraryRules(bool relink)
{
if(this->Target->IsFrameworkOnApple())
{
this->WriteFrameworkRules(relink);
return;
}
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_SHARED_LIBRARY";
std::string extraFlags;
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this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig += cmSystemTools::UpperCase(this->ConfigName);
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this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig));
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this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_SHARED_LINKER_FLAGS", this->ConfigName);
this->AddModuleDefinitionFlag(extraFlags);
this->WriteLibraryRules(linkRuleVar, extraFlags, relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteModuleLibraryRules(bool relink)
{
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_SHARED_MODULE";
std::string extraFlags;
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this->LocalGenerator->AppendFlags(extraFlags,
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this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig += cmSystemTools::UpperCase(this->ConfigName);
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this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig));
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this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_MODULE_LINKER_FLAGS", this->ConfigName);
this->AddModuleDefinitionFlag(extraFlags);
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this->WriteLibraryRules(linkRuleVar, extraFlags, relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteFrameworkRules(bool relink)
{
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_MACOSX_FRAMEWORK";
std::string extraFlags;
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this->LocalGenerator->AppendFlags(extraFlags,
this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig += cmSystemTools::UpperCase(this->ConfigName);
this->LocalGenerator->AppendFlags
(extraFlags, this->Target->GetProperty(linkFlagsConfig));
this->LocalGenerator->AddConfigVariableFlags
(extraFlags, "CMAKE_MACOSX_FRAMEWORK_LINKER_FLAGS", this->ConfigName);
this->WriteLibraryRules(linkRuleVar, extraFlags, relink);
}
//----------------------------------------------------------------------------
void cmMakefileLibraryTargetGenerator::WriteLibraryRules
(const std::string& linkRuleVar, const std::string& extraFlags, bool relink)
{
// TODO: Merge the methods that call this method to avoid
// code duplication.
std::vector<std::string> commands;
// Build list of dependencies.
std::vector<std::string> depends;
this->AppendLinkDepends(depends);
// Get the language to use for linking this library.
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
// Make sure we have a link language.
if(linkLanguage.empty())
{
cmSystemTools::Error("Cannot determine link language for target \"",
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this->Target->GetName().c_str(), "\".");
return;
}
// Create set of linking flags.
std::string linkFlags;
this->LocalGenerator->AppendFlags(linkFlags, extraFlags.c_str());
// Add OSX version flags, if any.
if(this->Target->GetType() == cmTarget::SHARED_LIBRARY ||
this->Target->GetType() == cmTarget::MODULE_LIBRARY)
{
this->AppendOSXVerFlag(linkFlags, linkLanguage, "COMPATIBILITY", true);
this->AppendOSXVerFlag(linkFlags, linkLanguage, "CURRENT", false);
}
// 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->ConfigName);
// Construct the full path version of the names.
std::string outpath;
std::string outpathImp;
if(this->Target->IsFrameworkOnApple())
{
outpath = this->Target->GetDirectory(this->ConfigName);
this->OSXBundleGenerator->CreateFramework(targetName, outpath);
outpath += "/";
}
else if(this->Target->IsCFBundleOnApple())
{
outpath = this->Target->GetDirectory(this->ConfigName);
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this->OSXBundleGenerator->CreateCFBundle(targetName, outpath);
outpath += "/";
}
else 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(this->ConfigName);
cmSystemTools::MakeDirectory(outpath.c_str());
outpath += "/";
if(!targetNameImport.empty())
{
outpathImp = this->Target->GetDirectory(this->ConfigName, true);
cmSystemTools::MakeDirectory(outpathImp.c_str());
outpathImp += "/";
}
}
std::string compilePdbOutputPath =
this->Target->GetCompilePDBDirectory(this->ConfigName);
cmSystemTools::MakeDirectory(compilePdbOutputPath.c_str());
std::string pdbOutputPath = this->Target->GetPDBDirectory(this->ConfigName);
cmSystemTools::MakeDirectory(pdbOutputPath.c_str());
pdbOutputPath += "/";
std::string targetFullPath = outpath + targetName;
std::string targetFullPathPDB = pdbOutputPath + 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.
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std::string targetOutPathPDB =
this->Convert(targetFullPathPDB,cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
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std::string targetOutPath =
this->Convert(targetFullPath,cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
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std::string targetOutPathSO =
this->Convert(targetFullPathSO,cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
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std::string targetOutPathReal =
this->Convert(targetFullPathReal,cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathImport =
this->Convert(targetFullPathImport,cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
if(!this->NoRuleMessages)
{
// Add the link message.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
switch(this->Target->GetType())
{
case cmTarget::STATIC_LIBRARY:
buildEcho += " static library ";
break;
case cmTarget::SHARED_LIBRARY:
buildEcho += " shared library ";
break;
case cmTarget::MODULE_LIBRARY:
if (this->Target->IsCFBundleOnApple())
buildEcho += " CFBundle";
buildEcho += " shared module ";
break;
default:
buildEcho += " library ";
break;
}
buildEcho += targetOutPath.c_str();
this->LocalGenerator->AppendEcho(commands, buildEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoLink);
}
const char* forbiddenFlagVar = 0;
switch(this->Target->GetType())
{
case cmTarget::SHARED_LIBRARY:
forbiddenFlagVar = "_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS";
break;
case cmTarget::MODULE_LIBRARY:
forbiddenFlagVar = "_CREATE_SHARED_MODULE_FORBIDDEN_FLAGS";
break;
default: break;
}
// Clean files associated with this library.
std::vector<std::string> libCleanFiles;
libCleanFiles.push_back(this->Convert(targetFullPath,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
if(targetNameReal != targetName)
{
libCleanFiles.push_back(this->Convert(targetFullPathReal,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(targetNameSO != targetName &&
targetNameSO != targetNameReal)
{
libCleanFiles.push_back(this->Convert(targetFullPathSO,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(!targetNameImport.empty())
{
libCleanFiles.push_back(this->Convert(targetFullPathImport,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
std::string implib;
if(this->Target->GetImplibGNUtoMS(targetFullPathImport, implib))
{
libCleanFiles.push_back(this->Convert(implib,
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(targetFullPathPDB,
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.
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// 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(),
cmLocalGenerator::HOME_OUTPUT);
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->Target);
this->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreLinkCommands(),
this->Target);
}
// Determine whether a link script will be used.
bool useLinkScript = this->GlobalGenerator->GetUseLinkScript();
// Select whether to use a response file for objects.
bool useResponseFileForObjects = false;
{
std::string responseVar = "CMAKE_";
responseVar += linkLanguage;
responseVar += "_USE_RESPONSE_FILE_FOR_OBJECTS";
if(this->Makefile->IsOn(responseVar))
{
useResponseFileForObjects = true;
}
}
// Select whether to use a response file for libraries.
bool useResponseFileForLibs = false;
{
std::string responseVar = "CMAKE_";
responseVar += linkLanguage;
responseVar += "_USE_RESPONSE_FILE_FOR_LIBRARIES";
if(this->Makefile->IsOn(responseVar))
{
useResponseFileForLibs = true;
}
}
// For static libraries there might be archiving rules.
bool haveStaticLibraryRule = false;
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)
{
haveStaticLibraryRule =
this->Makefile->GetDefinition(linkRuleVar)? true:false;
std::string arCreateVar = "CMAKE_";
arCreateVar += linkLanguage;
arCreateVar += "_ARCHIVE_CREATE";
if(const char* rule = this->Makefile->GetDefinition(arCreateVar))
{
cmSystemTools::ExpandListArgument(rule, archiveCreateCommands);
}
std::string arAppendVar = "CMAKE_";
arAppendVar += linkLanguage;
arAppendVar += "_ARCHIVE_APPEND";
if(const char* rule = this->Makefile->GetDefinition(arAppendVar))
{
cmSystemTools::ExpandListArgument(rule, archiveAppendCommands);
}
std::string arFinishVar = "CMAKE_";
arFinishVar += linkLanguage;
arFinishVar += "_ARCHIVE_FINISH";
if(const char* rule = this->Makefile->GetDefinition(arFinishVar))
{
cmSystemTools::ExpandListArgument(rule, archiveFinishCommands);
}
}
// Decide whether to use archiving rules.
bool useArchiveRules =
!haveStaticLibraryRule &&
!archiveCreateCommands.empty() && !archiveAppendCommands.empty();
if(useArchiveRules)
{
// Archiving rules are always run with a link script.
useLinkScript = true;
// Archiving rules never use a response file.
useResponseFileForObjects = false;
// 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.
std::string linkLibs;
if(this->Target->GetType() != cmTarget::STATIC_LIBRARY)
{
this->CreateLinkLibs(linkLibs, relink, useResponseFileForLibs, depends);
}
// Construct object file lists that may be needed to expand the
// rule.
std::string buildObjs;
this->CreateObjectLists(useLinkScript, useArchiveRules,
useResponseFileForObjects, buildObjs, depends);
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.RuleLauncher = "RULE_LAUNCH_LINK";
vars.CMTarget = this->Target;
vars.Language = linkLanguage.c_str();
vars.Objects = buildObjs.c_str();
std::string objectDir = this->Target->GetSupportDirectory();
objectDir = this->Convert(objectDir,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
vars.ObjectDir = objectDir.c_str();
vars.Target = targetOutPathReal.c_str();
vars.LinkLibraries = linkLibs.c_str();
vars.ObjectsQuoted = buildObjs.c_str();
Support building shared libraries or modules without soname (#13155) Add a boolean target property NO_SONAME which may be used to disable soname for the specified shared library or module even if the platform supports it. This property should be useful for private shared libraries or various plugins which live in private directories and have not been designed to be found or loaded globally. Replace references to <CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG> and hard-coded -install_name flags with a conditional <SONAME_FLAG> which is expanded to the value of the CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG definition as long as soname supports is enabled for the target in question. Keep expanding CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG in rules in case third party projects still use it. Such projects would not yet use NO_SONAME so the adjacent <TARGET_SONAME> will always be expanded. Make <TARGET_INSTALLNAME_DIR> NO_SONAME aware as well. Since -install_name is soname on OS X, this should not be a problem if this variable is expanded only if soname is enabled. The Ninja generator performs rule variable substitution only once globally per rule to put its own placeholders. Final substitution is performed by ninja at build time. Therefore we cannot conditionally replace the soname placeholders on a per-target basis. Rather than omitting $SONAME from rules.ninja, simply do not write its contents for targets which have NO_SONAME. Since 3 variables are affected by NO_SONAME ($SONAME, $SONAME_FLAG, $INSTALLNAME_DIR), set them only if soname is enabled.
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if (this->Target->HasSOName(this->ConfigName))
{
vars.SONameFlag = this->Makefile->GetSONameFlag(linkLanguage);
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.
install_name_dir =
this->Target->GetInstallNameDirForBuildTree(this->ConfigName);
// 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,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL, false);
vars.TargetInstallNameDir = install_name_dir.c_str();
}
}
// Add language feature flags.
std::string langFlags;
this->AddFeatureFlags(langFlags, linkLanguage);
this->LocalGenerator->AddArchitectureFlags(langFlags, this->GeneratorTarget,
linkLanguage, this->ConfigName);
// 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.
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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->GetLinkRule(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);
}
}
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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, depends);
}
else
{
// No link script. Just use the link rule directly.
commands1 = real_link_commands;
}
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
// Add a rule to create necessary symlinks for the library.
// Frameworks are handled by cmOSXBundleGenerator.
if(targetOutPath != targetOutPathReal && !this->Target->IsFrameworkOnApple())
{
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(),
cmLocalGenerator::HOME_OUTPUT);
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(),
this->Target);
}
// Write the build rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
targetFullPathReal,
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, relink);
// Clean all the possible library names and symlinks.
this->CleanFiles.insert(this->CleanFiles.end(),
libCleanFiles.begin(),libCleanFiles.end());
}
//----------------------------------------------------------------------------
void
cmMakefileLibraryTargetGenerator
::AppendOSXVerFlag(std::string& flags, const std::string& lang,
const char* name, bool so)
{
// Lookup the flag to specify the version.
std::string fvar = "CMAKE_";
fvar += lang;
fvar += "_OSX_";
fvar += name;
fvar += "_VERSION_FLAG";
const char* flag = this->Makefile->GetDefinition(fvar);
// Skip if no such flag.
if(!flag)
{
return;
}
// Lookup the target version information.
int major;
int minor;
int patch;
this->Target->GetTargetVersion(so, major, minor, patch);
if(major > 0 || minor > 0 || patch > 0)
{
// Append the flag since a non-zero version is specified.
cmOStringStream vflag;
vflag << flag << major << "." << minor << "." << patch;
this->LocalGenerator->AppendFlags(flags, vflag.str().c_str());
}
}