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)
:
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MacOSXContentGenerator(0),
OSXBundleGenerator(0),
MacContentFolders(),
Target(target),
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Makefile(target->GetMakefile()),
LocalGenerator(
static_cast<cmLocalNinjaGenerator*>(Makefile->GetLocalGenerator())),
Objects()
{
this->GeneratorTarget =
this->GetGlobalGenerator()->GetGeneratorTarget(target);
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MacOSXContentGenerator = new MacOSXContentGeneratorType(this);
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}
cmNinjaTargetGenerator::~cmNinjaTargetGenerator()
{
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delete this->MacOSXContentGenerator;
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}
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
{
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return this->LocalGenerator->GetConfigName();
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}
// 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->GeneratorTarget,
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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.
this->LocalGenerator->AddCMP0018Flags(flags, this->Target,
language.c_str(),
this->GetConfigName());
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this->LocalGenerator->AddVisibilityPresetFlags(flags, this->Target,
language.c_str());
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// Add include directory flags.
const char *config = this->Makefile->GetDefinition("CMAKE_BUILD_TYPE");
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{
std::vector<std::string> includes;
this->LocalGenerator->GetIncludeDirectories(includes,
this->GeneratorTarget,
language.c_str(), config);
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std::string includeFlags =
this->LocalGenerator->GetIncludeFlags(includes, language.c_str(),
language == "RC" ? true : false); // full include paths for RC
// needed by cmcldeps
if(cmGlobalNinjaGenerator::IsMinGW())
cmSystemTools::ReplaceString(includeFlags, "\\", "/");
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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 flags.
std::string targetFlags;
this->LocalGenerator->GetCompileOptions(targetFlags, this->Target, config);
if(!targetFlags.empty())
{
std::string langIncludeExpr = "CMAKE_";
langIncludeExpr += language;
langIncludeExpr += "_FLAG_REGEX";
const char* regex = this->Makefile->
GetDefinition(langIncludeExpr.c_str());
if(regex)
{
cmsys::RegularExpression r(regex);
std::vector<std::string> args;
cmSystemTools::ParseWindowsCommandLine(
targetFlags.c_str(),
args);
for(std::vector<std::string>::iterator i = args.begin();
i != args.end(); ++i)
{
if(r.find(i->c_str()))
{
this->LocalGenerator->AppendFlags
(flags, i->c_str());
}
}
}
else
{
this->LocalGenerator->AppendFlags
(flags, targetFlags.c_str());
}
}
// Add source file specific flags.
this->LocalGenerator->AppendFlags(flags,
source->GetProperty("COMPILE_FLAGS"));
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// TODO: Handle Apple frameworks.
return flags;
}
// TODO: Refactor with
// void cmMakefileTargetGenerator::WriteTargetLanguageFlags().
std::string
cmNinjaTargetGenerator::
ComputeDefines(cmSourceFile *source, const std::string& language)
{
std::set<std::string> defines;
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// Add the export symbol definition for shared library objects.
if(const char* exportMacro = this->Target->GetExportMacro())
{
this->LocalGenerator->AppendDefines(defines, exportMacro);
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}
// Add preprocessor definitions for this target and configuration.
this->LocalGenerator->AppendDefines
(defines,
this->Target->GetCompileDefinitions(this->GetConfigName()));
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this->LocalGenerator->AppendDefines
(defines,
source->GetProperty("COMPILE_DEFINITIONS"));
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{
std::string defPropName = "COMPILE_DEFINITIONS_";
defPropName += cmSystemTools::UpperCase(this->GetConfigName());
this->LocalGenerator->AppendDefines
(defines,
source->GetProperty(defPropName.c_str()));
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}
std::string definesString;
this->LocalGenerator->JoinDefines(defines, definesString,
language.c_str());
return definesString;
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}
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());
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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();
}
bool cmNinjaTargetGenerator::SetMsvcTargetPdbVariable(cmNinjaVars& vars) const
{
cmMakefile* mf = this->GetMakefile();
if (mf->GetDefinition("MSVC_C_ARCHITECTURE_ID") ||
mf->GetDefinition("MSVC_CXX_ARCHITECTURE_ID"))
{
std::string pdbPath;
if(this->Target->GetType() == cmTarget::EXECUTABLE ||
this->Target->GetType() == cmTarget::STATIC_LIBRARY ||
this->Target->GetType() == cmTarget::SHARED_LIBRARY ||
this->Target->GetType() == cmTarget::MODULE_LIBRARY)
{
pdbPath = this->Target->GetPDBDirectory(this->GetConfigName());
pdbPath += "/";
pdbPath += this->Target->GetPDBName(this->GetConfigName());
}
vars["TARGET_PDB"] = this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(pdbPath.c_str()).c_str(),
cmLocalGenerator::SHELL);
EnsureParentDirectoryExists(pdbPath);
return true;
}
return false;
}
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void
cmNinjaTargetGenerator
::WriteLanguageRules(const std::string& language)
{
#ifdef NINJA_GEN_VERBOSE_FILES
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this->GetRulesFileStream()
<< "# Rules for language " << language << "\n\n";
#endif
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this->WriteCompileRule(language);
}
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 = "$TARGET_PDB";
vars.ObjectDir = "$OBJECT_DIR";
cmMakefile* mf = this->GetMakefile();
bool useClDeps = false;
std::string clBinary;
std::string clDepsBinary;
std::string clShowPrefix;
if (lang == "C" || lang == "CXX" || lang == "RC")
{
clDepsBinary = mf->GetSafeDefinition("CMAKE_CMCLDEPS_EXECUTABLE");
if (!clDepsBinary.empty() && !mf->GetIsSourceFileTryCompile())
{
clShowPrefix = mf->GetSafeDefinition("CMAKE_CL_SHOWINCLUDE_PREFIX");
clBinary = mf->GetDefinition("CMAKE_C_COMPILER") ?
mf->GetSafeDefinition("CMAKE_C_COMPILER") :
mf->GetSafeDefinition("CMAKE_CXX_COMPILER");
if (!clBinary.empty() && !clShowPrefix.empty())
{
useClDeps = true;
const std::string quote = " \"";
clBinary = quote + clBinary + "\" ";
clDepsBinary = quote + clDepsBinary + "\" ";
clShowPrefix = quote + clShowPrefix + "\" ";
vars.DependencyFile = "$DEP_FILE";
}
}
}
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std::string depfile;
std::string depfileFlagsName = "CMAKE_DEPFILE_FLAGS_" + language;
const char *depfileFlags = mf->GetDefinition(depfileFlagsName.c_str());
if (depfileFlags || useClDeps) {
std::string depFlagsStr = depfileFlags ? depfileFlags : "";
depfile = "$DEP_FILE";
cmSystemTools::ReplaceString(depFlagsStr, "<DEPFILE>", "\"$DEP_FILE\"");
cmSystemTools::ReplaceString(depFlagsStr, "<OBJECT>", "$out");
cmSystemTools::ReplaceString(depFlagsStr, "<CMAKE_C_COMPILER>",
mf->GetDefinition("CMAKE_C_COMPILER"));
flags += " " + depFlagsStr;
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}
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 = mf->GetRequiredDefinition(compileCmdVar.c_str());
std::vector<std::string> compileCmds;
cmSystemTools::ExpandListArgument(compileCmd, compileCmds);
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if(useClDeps)
{
std::string cmdPrefix = clDepsBinary + lang + " $in \"$DEP_FILE\" $out " +
clShowPrefix + clBinary;
compileCmds.front().insert(0, cmdPrefix);
}
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.
cmOStringStream comment;
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comment << "Rule for compiling " << language << " files.";
cmOStringStream description;
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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());
}
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
this->GeneratorTarget->HeaderSources,
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this->MacOSXContentGenerator);
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
this->GeneratorTarget->ExtraSources,
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this->MacOSXContentGenerator);
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)
{
std::string comment;
const std::string language = source->GetLanguage();
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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;
if (language == "RC")
sourceFileName = source->GetFullPath();
else
sourceFileName = this->GetSourceFilePath(source);
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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);
cmNinjaDeps implicitDeps;
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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(implicitDeps), MapToNinjaPath());
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}
// 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["DEP_FILE"] = objectFileName + ".d";;
EnsureParentDirectoryExists(objectFileName);
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std::string objectDir = cmSystemTools::GetFilenamePath(objectFileName);
vars["OBJECT_DIR"] = this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(objectDir.c_str()).c_str(),
cmLocalGenerator::SHELL);
this->SetMsvcTargetPdbVariable(vars);
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if(this->Makefile->IsOn("CMAKE_EXPORT_COMPILE_COMMANDS"))
{
cmLocalGenerator::RuleVariables compileObjectVars;
std::string lang = language;
compileObjectVars.Language = lang.c_str();
std::string escapedSourceFileName = sourceFileName;
if (!cmSystemTools::FileIsFullPath(sourceFileName.c_str()))
{
escapedSourceFileName = cmSystemTools::CollapseFullPath(
escapedSourceFileName.c_str(),
this->GetGlobalGenerator()->GetCMakeInstance()->
GetHomeOutputDirectory());
}
escapedSourceFileName =
this->LocalGenerator->ConvertToOutputFormat(
escapedSourceFileName.c_str(), cmLocalGenerator::SHELL);
compileObjectVars.Source = escapedSourceFileName.c_str();
compileObjectVars.Object = objectFileName.c_str();
compileObjectVars.ObjectDir = objectDir.c_str();
compileObjectVars.Flags = vars["FLAGS"].c_str();
compileObjectVars.Defines = vars["DEFINES"].c_str();
// 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);
for (std::vector<std::string>::iterator i = compileCmds.begin();
i != compileCmds.end(); ++i)
this->GetLocalGenerator()->ExpandRuleVariables(*i, compileObjectVars);
std::string cmdLine =
this->GetLocalGenerator()->BuildCommandLine(compileCmds);
this->GetGlobalGenerator()->AddCXXCompileCommand(cmdLine,
sourceFileName);
}
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cmGlobalNinjaGenerator::WriteBuild(this->GetBuildFileStream(),
comment,
rule,
outputs,
explicitDeps,
implicitDeps,
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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());
}
void
cmNinjaTargetGenerator
::EnsureDirectoryExists(const std::string& path) const
{
if (cmSystemTools::FileIsFullPath(path.c_str()))
{
cmSystemTools::MakeDirectory(path.c_str());
}
else
{
const std::string fullPath = std::string(this->GetGlobalGenerator()->
GetCMakeInstance()->GetHomeOutputDirectory())
+ "/" + path;
cmSystemTools::MakeDirectory(fullPath.c_str());
}
}
void
cmNinjaTargetGenerator
::EnsureParentDirectoryExists(const std::string& path) const
{
EnsureDirectoryExists(cmSystemTools::GetParentDirectory(path.c_str()));
}
//----------------------------------------------------------------------------
void
cmNinjaTargetGenerator::MacOSXContentGeneratorType::operator()(
cmSourceFile& source, const char* pkgloc)
{
// Skip OS X content when not building a Framework or Bundle.
if(!this->Generator->GetTarget()->IsBundleOnApple())
{
return;
}
std::string macdir =
this->Generator->OSXBundleGenerator->InitMacOSXContentDirectory(pkgloc);
// Get the input file location.
std::string input = source.GetFullPath();
input =
this->Generator->GetLocalGenerator()->ConvertToNinjaPath(input.c_str());
// Get the output file location.
std::string output = macdir;
output += "/";
output += cmSystemTools::GetFilenameName(input);
output =
this->Generator->GetLocalGenerator()->ConvertToNinjaPath(output.c_str());
// Write a build statement to copy the content into the bundle.
this->Generator->GetGlobalGenerator()->WriteMacOSXContentBuild(input,
output);
// Add as a dependency of all target so that it gets called.
this->Generator->GetGlobalGenerator()->AddDependencyToAll(output);
}