CMake/Source/cmNinjaTargetGenerator.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2011 Peter Collingbourne <peter@pcc.me.uk>
Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com>
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 "cmNinjaTargetGenerator.h"
#include "cmGlobalNinjaGenerator.h"
#include "cmLocalNinjaGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorTarget.h"
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#include "cmNinjaNormalTargetGenerator.h"
#include "cmNinjaUtilityTargetGenerator.h"
#include "cmSystemTools.h"
#include "cmMakefile.h"
#include "cmComputeLinkInformation.h"
#include "cmSourceFile.h"
#include "cmCustomCommandGenerator.h"
#include <algorithm>
cmNinjaTargetGenerator *
cmNinjaTargetGenerator::New(cmTarget* target)
{
switch (target->GetType())
{
case cmTarget::EXECUTABLE:
case cmTarget::SHARED_LIBRARY:
case cmTarget::STATIC_LIBRARY:
case cmTarget::MODULE_LIBRARY:
case cmTarget::OBJECT_LIBRARY:
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return new cmNinjaNormalTargetGenerator(target);
case cmTarget::UTILITY:
return new cmNinjaUtilityTargetGenerator(target);;
case cmTarget::GLOBAL_TARGET: {
// We only want to process global targets that live in the home
// (i.e. top-level) directory. CMake creates copies of these targets
// in every directory, which we don't need.
cmMakefile *mf = target->GetMakefile();
if (strcmp(mf->GetStartDirectory(), mf->GetHomeDirectory()) == 0)
return new cmNinjaUtilityTargetGenerator(target);
// else fallthrough
}
default:
return 0;
}
}
cmNinjaTargetGenerator::cmNinjaTargetGenerator(cmTarget* target)
: Target(target),
Makefile(target->GetMakefile()),
LocalGenerator(
static_cast<cmLocalNinjaGenerator*>(Makefile->GetLocalGenerator())),
Objects()
{
this->GeneratorTarget =
this->GetGlobalGenerator()->GetGeneratorTarget(target);
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}
cmNinjaTargetGenerator::~cmNinjaTargetGenerator()
{
}
cmGeneratedFileStream& cmNinjaTargetGenerator::GetBuildFileStream() const
{
return *this->GetGlobalGenerator()->GetBuildFileStream();
}
cmGeneratedFileStream& cmNinjaTargetGenerator::GetRulesFileStream() const
{
return *this->GetGlobalGenerator()->GetRulesFileStream();
}
cmGlobalNinjaGenerator* cmNinjaTargetGenerator::GetGlobalGenerator() const
{
return this->LocalGenerator->GetGlobalNinjaGenerator();
}
const char* cmNinjaTargetGenerator::GetConfigName() const
{
return this->LocalGenerator->ConfigName.c_str();
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
const char* cmNinjaTargetGenerator::GetFeature(const char* feature)
{
return this->Target->GetFeature(feature, this->GetConfigName());
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
bool cmNinjaTargetGenerator::GetFeatureAsBool(const char* feature)
{
return cmSystemTools::IsOn(this->GetFeature(feature));
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
void cmNinjaTargetGenerator::AddFeatureFlags(std::string& flags,
const char* lang)
{
// Add language-specific flags.
this->LocalGenerator->AddLanguageFlags(flags, lang, this->GetConfigName());
if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION"))
{
this->LocalGenerator->AppendFeatureOptions(flags, lang, "IPO");
}
}
// TODO: Most of the code is picked up from
// void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink),
// void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
// Refactor it.
std::string
cmNinjaTargetGenerator::ComputeFlagsForObject(cmSourceFile *source,
const std::string& language)
{
std::string flags;
this->AddFeatureFlags(flags, language.c_str());
this->GetLocalGenerator()->AddArchitectureFlags(flags,
this->GetTarget(),
language.c_str(),
this->GetConfigName());
// TODO: Fortran support.
// // Fortran-specific flags computed for this target.
// if(*l == "Fortran")
// {
// this->AddFortranFlags(flags);
// }
// Add shared-library flags if needed.
{
bool shared = ((this->Target->GetType() == cmTarget::SHARED_LIBRARY) ||
(this->Target->GetType() == cmTarget::MODULE_LIBRARY));
this->GetLocalGenerator()->AddSharedFlags(flags, language.c_str(), shared);
}
// TODO: Handle response file.
// Add include directory flags.
{
std::vector<std::string> includes;
this->LocalGenerator->GetIncludeDirectories(includes, this->Target,
language.c_str());
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std::string includeFlags =
this->LocalGenerator->GetIncludeFlags(includes, language.c_str(), false);
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this->LocalGenerator->AppendFlags(flags, includeFlags.c_str());
}
// Append old-style preprocessor definition flags.
this->LocalGenerator->AppendFlags(flags, this->Makefile->GetDefineFlags());
// Add target-specific and source-specific flags.
this->LocalGenerator->AppendFlags(flags,
this->Target->GetProperty("COMPILE_FLAGS"));
this->LocalGenerator->AppendFlags(flags,
source->GetProperty("COMPILE_FLAGS"));
// TODO: Handle Apple frameworks.
return flags;
}
// TODO: Refactor with
// void cmMakefileTargetGenerator::WriteTargetLanguageFlags().
std::string
cmNinjaTargetGenerator::
ComputeDefines(cmSourceFile *source, const std::string& language)
{
std::string defines;
// Add the export symbol definition for shared library objects.
if(const char* exportMacro = this->Target->GetExportMacro())
{
this->LocalGenerator->AppendDefines(defines, exportMacro,
language.c_str());
}
// Add preprocessor definitions for this target and configuration.
this->LocalGenerator->AppendDefines
(defines,
this->Makefile->GetProperty("COMPILE_DEFINITIONS"),
language.c_str());
this->LocalGenerator->AppendDefines
(defines,
this->Target->GetProperty("COMPILE_DEFINITIONS"),
language.c_str());
this->LocalGenerator->AppendDefines
(defines,
source->GetProperty("COMPILE_DEFINITIONS"),
language.c_str());
{
std::string defPropName = "COMPILE_DEFINITIONS_";
defPropName += cmSystemTools::UpperCase(this->GetConfigName());
this->LocalGenerator->AppendDefines
(defines,
this->Makefile->GetProperty(defPropName.c_str()),
language.c_str());
this->LocalGenerator->AppendDefines
(defines,
this->Target->GetProperty(defPropName.c_str()),
language.c_str());
this->LocalGenerator->AppendDefines
(defines,
source->GetProperty(defPropName.c_str()),
language.c_str());
}
return defines;
}
cmNinjaDeps cmNinjaTargetGenerator::ComputeLinkDeps() const
{
// Static libraries never depend on other targets for linking.
if (this->Target->GetType() == cmTarget::STATIC_LIBRARY ||
this->Target->GetType() == cmTarget::OBJECT_LIBRARY)
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return cmNinjaDeps();
cmComputeLinkInformation* cli =
this->Target->GetLinkInformation(this->GetConfigName());
if(!cli)
return cmNinjaDeps();
const std::vector<std::string> &deps = cli->GetDepends();
cmNinjaDeps result(deps.size());
std::transform(deps.begin(), deps.end(), result.begin(), MapToNinjaPath());
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// Add a dependency on the link definitions file, if any.
if(!this->ModuleDefinitionFile.empty())
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{
result.push_back(this->ModuleDefinitionFile);
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}
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return result;
}
std::string
cmNinjaTargetGenerator
::GetSourceFilePath(cmSourceFile* source) const
{
return ConvertToNinjaPath(source->GetFullPath().c_str());
}
std::string
cmNinjaTargetGenerator
::GetObjectFilePath(cmSourceFile* source) const
{
std::string path = this->LocalGenerator->GetHomeRelativeOutputPath();
if(!path.empty())
path += "/";
std::string const& objectName = this->GeneratorTarget->Objects[source];
path += this->LocalGenerator->GetTargetDirectory(*this->Target);
path += "/";
path += objectName;
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return path;
}
std::string cmNinjaTargetGenerator::GetTargetOutputDir() const
{
std::string dir = this->Target->GetDirectory(this->GetConfigName());
return ConvertToNinjaPath(dir.c_str());
}
std::string
cmNinjaTargetGenerator
::GetTargetFilePath(const std::string& name) const
{
std::string path = this->GetTargetOutputDir();
if (path.empty() || path == ".")
return name;
path += "/";
path += name;
return path;
}
std::string cmNinjaTargetGenerator::GetTargetName() const
{
return this->Target->GetName();
}
std::string cmNinjaTargetGenerator::GetTargetPDB() const
{
std::string targetFullPathPDB;
if(this->Target->GetType() == cmTarget::EXECUTABLE ||
this->Target->GetType() == cmTarget::STATIC_LIBRARY ||
this->Target->GetType() == cmTarget::SHARED_LIBRARY ||
this->Target->GetType() == cmTarget::MODULE_LIBRARY)
{
targetFullPathPDB = this->Target->GetDirectory(this->GetConfigName());
targetFullPathPDB += "/";
targetFullPathPDB += this->Target->GetPDBName(this->GetConfigName());
}
return ConvertToNinjaPath(targetFullPathPDB.c_str());
}
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void
cmNinjaTargetGenerator
::WriteLanguageRules(const std::string& language)
{
this->GetRulesFileStream()
<< "# Rules for language " << language << "\n\n";
this->WriteCompileRule(language);
this->GetRulesFileStream() << "\n";
}
void
cmNinjaTargetGenerator
::WriteCompileRule(const std::string& language)
{
cmLocalGenerator::RuleVariables vars;
vars.RuleLauncher = "RULE_LAUNCH_COMPILE";
vars.CMTarget = this->GetTarget();
std::string lang = language;
vars.Language = lang.c_str();
vars.Source = "$in";
vars.Object = "$out";
std::string flags = "$FLAGS";
vars.Defines = "$DEFINES";
vars.TargetPDB = "$TARGET_PDB";
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std::string depfile;
std::string depfileFlagsName = "CMAKE_DEPFILE_FLAGS_" + language;
const char *depfileFlags =
this->GetMakefile()->GetDefinition(depfileFlagsName.c_str());
if (depfileFlags) {
std::string depfileFlagsStr = depfileFlags;
depfile = "$out.d";
cmSystemTools::ReplaceString(depfileFlagsStr, "<DEPFILE>",
depfile.c_str());
cmSystemTools::ReplaceString(depfileFlagsStr, "<OBJECT>",
"$out");
cmSystemTools::ReplaceString(depfileFlagsStr, "<CMAKE_C_COMPILER>",
this->GetMakefile()->GetDefinition("CMAKE_C_COMPILER"));
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flags += " " + depfileFlagsStr;
}
vars.Flags = flags.c_str();
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// Rule for compiling object file.
std::string compileCmdVar = "CMAKE_";
compileCmdVar += language;
compileCmdVar += "_COMPILE_OBJECT";
std::string compileCmd =
this->GetMakefile()->GetRequiredDefinition(compileCmdVar.c_str());
std::vector<std::string> compileCmds;
cmSystemTools::ExpandListArgument(compileCmd, compileCmds);
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for (std::vector<std::string>::iterator i = compileCmds.begin();
i != compileCmds.end(); ++i)
this->GetLocalGenerator()->ExpandRuleVariables(*i, vars);
std::string cmdLine =
this->GetLocalGenerator()->BuildCommandLine(compileCmds);
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// Write the rule for compiling file of the given language.
std::ostringstream comment;
comment << "Rule for compiling " << language << " files.";
std::ostringstream description;
description << "Building " << language << " object $out";
this->GetGlobalGenerator()->AddRule(this->LanguageCompilerRule(language),
cmdLine,
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description.str(),
comment.str(),
depfile);
}
void
cmNinjaTargetGenerator
::WriteObjectBuildStatements()
{
// Write comments.
cmGlobalNinjaGenerator::WriteDivider(this->GetBuildFileStream());
this->GetBuildFileStream()
<< "# Object build statements for "
<< cmTarget::GetTargetTypeName(this->GetTarget()->GetType())
<< " target "
<< this->GetTargetName()
<< "\n\n";
for(std::vector<cmSourceFile*>::const_iterator
si = this->GeneratorTarget->CustomCommands.begin();
si != this->GeneratorTarget->CustomCommands.end(); ++si)
{
cmCustomCommand const* cc = (*si)->GetCustomCommand();
this->GetLocalGenerator()->AddCustomCommandTarget(cc, this->GetTarget());
}
for(std::vector<cmSourceFile*>::const_iterator
si = this->GeneratorTarget->ExternalObjects.begin();
si != this->GeneratorTarget->ExternalObjects.end(); ++si)
{
this->Objects.push_back(this->GetSourceFilePath(*si));
}
for(std::vector<cmSourceFile*>::const_iterator
si = this->GeneratorTarget->ObjectSources.begin();
si != this->GeneratorTarget->ObjectSources.end(); ++si)
{
this->WriteObjectBuildStatement(*si);
}
if(!this->GeneratorTarget->ModuleDefinitionFile.empty())
{
this->ModuleDefinitionFile = this->ConvertToNinjaPath(
this->GeneratorTarget->ModuleDefinitionFile.c_str());
}
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{
// Add object library contents as external objects.
std::vector<std::string> objs;
this->GeneratorTarget->UseObjectLibraries(objs);
for(std::vector<std::string>::iterator oi = objs.begin();
oi != objs.end(); ++oi)
{
this->Objects.push_back(ConvertToNinjaPath(oi->c_str()));
}
}
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this->GetBuildFileStream() << "\n";
}
void
cmNinjaTargetGenerator
::WriteObjectBuildStatement(cmSourceFile* source)
{
cmNinjaDeps emptyDeps;
std::string comment;
const char* language = source->GetLanguage();
std::string rule = this->LanguageCompilerRule(language);
cmNinjaDeps outputs;
std::string objectFileName = this->GetObjectFilePath(source);
outputs.push_back(objectFileName);
// Add this object to the list of object files.
this->Objects.push_back(objectFileName);
cmNinjaDeps explicitDeps;
std::string sourceFileName = this->GetSourceFilePath(source);
explicitDeps.push_back(sourceFileName);
// Ensure that the target dependencies are built before any source file in
// the target, using order-only dependencies.
cmNinjaDeps orderOnlyDeps;
this->GetLocalGenerator()->AppendTargetDepends(this->Target, orderOnlyDeps);
if(const char* objectDeps = source->GetProperty("OBJECT_DEPENDS")) {
std::vector<std::string> depList;
cmSystemTools::ExpandListArgument(objectDeps, depList);
std::transform(depList.begin(), depList.end(),
std::back_inserter(orderOnlyDeps), MapToNinjaPath());
}
// Add order-only dependencies on custom command outputs.
for(std::vector<cmSourceFile*>::const_iterator
si = this->GeneratorTarget->CustomCommands.begin();
si != this->GeneratorTarget->CustomCommands.end(); ++si)
{
cmCustomCommand const* cc = (*si)->GetCustomCommand();
const std::vector<std::string>& ccoutputs = cc->GetOutputs();
std::transform(ccoutputs.begin(), ccoutputs.end(),
std::back_inserter(orderOnlyDeps), MapToNinjaPath());
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}
// If the source file is GENERATED and does not have a custom command
// (either attached to this source file or another one), assume that one of
// the target dependencies, OBJECT_DEPENDS or header file custom commands
// will rebuild the file.
if (source->GetPropertyAsBool("GENERATED") && !source->GetCustomCommand() &&
!this->GetGlobalGenerator()->HasCustomCommandOutput(sourceFileName)) {
this->GetGlobalGenerator()->AddAssumedSourceDependencies(sourceFileName,
orderOnlyDeps);
}
cmNinjaVars vars;
vars["FLAGS"] = this->ComputeFlagsForObject(source, language);
vars["DEFINES"] = this->ComputeDefines(source, language);
vars["TARGET_PDB"] = this->GetLocalGenerator()->ConvertToOutputFormat(
this->GetTargetPDB().c_str(), cmLocalGenerator::SHELL);
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cmGlobalNinjaGenerator::WriteBuild(this->GetBuildFileStream(),
comment,
rule,
outputs,
explicitDeps,
emptyDeps,
orderOnlyDeps,
vars);
if(const char* objectOutputs = source->GetProperty("OBJECT_OUTPUTS")) {
std::vector<std::string> outputList;
cmSystemTools::ExpandListArgument(objectOutputs, outputList);
std::transform(outputList.begin(), outputList.end(), outputList.begin(),
MapToNinjaPath());
cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
"Additional output files.",
outputList,
outputs);
}
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}
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//----------------------------------------------------------------------------
void
cmNinjaTargetGenerator
::AddModuleDefinitionFlag(std::string& flags)
{
if(this->ModuleDefinitionFile.empty())
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{
return;
}
// TODO: Create a per-language flag variable.
const char* defFileFlag =
this->Makefile->GetDefinition("CMAKE_LINK_DEF_FILE_FLAG");
if(!defFileFlag)
{
return;
}
// Append the flag and value. Use ConvertToLinkReference to help
// vs6's "cl -link" pass it to the linker.
std::string flag = defFileFlag;
flag += (this->LocalGenerator->ConvertToLinkReference(
this->ModuleDefinitionFile.c_str()));
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this->LocalGenerator->AppendFlags(flags, flag.c_str());
}