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(cmGeneratorTarget* target)
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{
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->Target->GetMakefile();
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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();
}
std::string const& cmNinjaTargetGenerator::GetConfigName() const
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{
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return this->LocalGenerator->GetConfigName();
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}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
const char* cmNinjaTargetGenerator::GetFeature(const std::string& feature)
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{
return this->Target->GetFeature(feature, this->GetConfigName());
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
bool cmNinjaTargetGenerator::GetFeatureAsBool(const std::string& feature)
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{
return this->Target->GetFeatureAsBool(feature, this->GetConfigName());
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}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
void cmNinjaTargetGenerator::AddFeatureFlags(std::string& flags,
const std::string& lang)
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{
// Add language-specific flags.
this->LocalGenerator->AddLanguageFlags(flags, lang, this->GetConfigName());
if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION"))
{
this->LocalGenerator->AppendFeatureOptions(flags, lang, "IPO");
}
}
std::string
cmNinjaTargetGenerator::OrderDependsTargetForTarget()
{
return "cmake_order_depends_target_" + this->GetTargetName();
}
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// TODO: Most of the code is picked up from
// void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink),
// void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
// Refactor it.
std::string
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cmNinjaTargetGenerator::ComputeFlagsForObject(cmSourceFile const* source,
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const std::string& language)
{
// TODO: Fortran support.
// // Fortran-specific flags computed for this target.
// if(*l == "Fortran")
// {
// this->AddFortranFlags(flags);
// }
bool hasLangCached = this->LanguageFlags.count(language) != 0;
std::string& languageFlags = this->LanguageFlags[language];
if(!hasLangCached)
{
this->AddFeatureFlags(languageFlags, language);
this->GetLocalGenerator()->AddArchitectureFlags(languageFlags,
this->GeneratorTarget,
language,
this->GetConfigName());
// Add shared-library flags if needed.
this->LocalGenerator->AddCMP0018Flags(languageFlags, this->Target,
language,
this->GetConfigName());
this->LocalGenerator->AddVisibilityPresetFlags(languageFlags, this->Target,
language);
std::vector<std::string> includes;
this->LocalGenerator->GetIncludeDirectories(includes,
this->GeneratorTarget,
language,
this->GetConfigName());
// Add include directory flags.
std::string includeFlags =
this->LocalGenerator->GetIncludeFlags(includes, this->GeneratorTarget,
language,
language == "RC" ? true : false); // full include paths for RC
// needed by cmcldeps
if(cmGlobalNinjaGenerator::IsMinGW())
cmSystemTools::ReplaceString(includeFlags, "\\", "/");
this->LocalGenerator->AppendFlags(languageFlags, includeFlags);
// Append old-style preprocessor definition flags.
this->LocalGenerator->AppendFlags(languageFlags,
this->Makefile->GetDefineFlags());
// Add target-specific flags.
this->LocalGenerator->AddCompileOptions(languageFlags, this->Target,
language,
this->GetConfigName());
}
std::string flags = languageFlags;
// Add source file specific flags.
this->LocalGenerator->AppendFlags(flags,
source->GetProperty("COMPILE_FLAGS"));
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// TODO: Handle Apple frameworks.
return flags;
}
bool cmNinjaTargetGenerator::needsDepFile(const std::string& lang)
{
cmMakefile* mf = this->GetMakefile();
const bool usingMSVC = std::string("MSVC") ==
(mf->GetDefinition("CMAKE_C_COMPILER_ID") ?
mf->GetSafeDefinition("CMAKE_C_COMPILER_ID") :
mf->GetSafeDefinition("CMAKE_CXX_COMPILER_ID"));
return !usingMSVC || lang == "RC";
}
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// TODO: Refactor with
// void cmMakefileTargetGenerator::WriteTargetLanguageFlags().
std::string
cmNinjaTargetGenerator::
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ComputeDefines(cmSourceFile const* source, const std::string& language)
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{
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->AddCompileDefinitions(defines, this->Target,
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));
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}
std::string definesString;
this->LocalGenerator->JoinDefines(defines, definesString,
language);
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
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::GetSourceFilePath(cmSourceFile const* source) const
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{
return ConvertToNinjaPath(source->GetFullPath());
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}
std::string
cmNinjaTargetGenerator
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::GetObjectFilePath(cmSourceFile const* source) const
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{
std::string path = this->LocalGenerator->GetHomeRelativeOutputPath();
if(!path.empty())
path += "/";
std::string const& objectName = this->GeneratorTarget
->GetObjectName(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);
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}
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;
std::string compilePdbPath;
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());
}
if(this->Target->GetType() <= cmTarget::OBJECT_LIBRARY)
{
compilePdbPath = this->Target->GetCompilePDBPath(this->GetConfigName());
if(compilePdbPath.empty())
{
compilePdbPath = this->Target->GetSupportDirectory() + "/";
}
}
vars["TARGET_PDB"] = this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(pdbPath),
cmLocalGenerator::SHELL);
vars["TARGET_COMPILE_PDB"] =
this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(compilePdbPath),
cmLocalGenerator::SHELL);
EnsureParentDirectoryExists(pdbPath);
EnsureParentDirectoryExists(compilePdbPath);
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& lang)
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{
cmLocalGenerator::RuleVariables vars;
vars.RuleLauncher = "RULE_LAUNCH_COMPILE";
vars.CMTarget = this->GetTarget();
vars.Language = lang.c_str();
vars.Source = "$in";
vars.Object = "$out";
vars.Defines = "$DEFINES";
vars.TargetPDB = "$TARGET_PDB";
vars.TargetCompilePDB = "$TARGET_COMPILE_PDB";
vars.ObjectDir = "$OBJECT_DIR";
vars.ObjectFileDir = "$OBJECT_FILE_DIR";
cmMakefile* mf = this->GetMakefile();
const std::string cId = mf->GetDefinition("CMAKE_C_COMPILER_ID")
? mf->GetSafeDefinition("CMAKE_C_COMPILER_ID")
: mf->GetSafeDefinition("CMAKE_CXX_COMPILER_ID");
const std::string sId = mf->GetDefinition("CMAKE_C_SIMULATE_ID")
? mf->GetSafeDefinition("CMAKE_C_SIMULATE_ID")
: mf->GetSafeDefinition("CMAKE_CXX_SIMULATE_ID");
const bool usingMSVC = (cId == "MSVC" || sId == "MSVC");
// Tell ninja dependency format so all deps can be loaded into a database
std::string deptype;
std::string depfile;
std::string cldeps;
std::string flags = "$FLAGS";
if (usingMSVC)
{
if (!mf->GetIsSourceFileTryCompile() && lang == "RC")
{
deptype = "gcc";
depfile = "$DEP_FILE";
const std::string cl = mf->GetDefinition("CMAKE_C_COMPILER") ?
mf->GetSafeDefinition("CMAKE_C_COMPILER") :
mf->GetSafeDefinition("CMAKE_CXX_COMPILER");
cldeps = "\"";
cldeps += mf->GetSafeDefinition("CMAKE_CMCLDEPS_EXECUTABLE");
cldeps += "\" " + lang + " $in \"$DEP_FILE\" $out \"";
cldeps += mf->GetSafeDefinition("CMAKE_CL_SHOWINCLUDES_PREFIX");
cldeps += "\" \"" + cl + "\" ";
}
else
{
deptype = "msvc";
depfile = "";
flags += " /showIncludes";
}
}
else
{
deptype = "gcc";
const char* langdeptype = mf->GetDefinition("CMAKE_NINJA_DEPTYPE_" + lang);
if (langdeptype)
{
deptype = langdeptype;
}
depfile = "$DEP_FILE";
const std::string flagsName = "CMAKE_DEPFILE_FLAGS_" + lang;
std::string depfileFlags = mf->GetSafeDefinition(flagsName);
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if (!depfileFlags.empty())
{
cmSystemTools::ReplaceString(depfileFlags, "<DEPFILE>", "$DEP_FILE");
cmSystemTools::ReplaceString(depfileFlags, "<OBJECT>", "$out");
cmSystemTools::ReplaceString(depfileFlags, "<CMAKE_C_COMPILER>",
mf->GetDefinition("CMAKE_C_COMPILER"));
flags += " " + depfileFlags;
}
}
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vars.Flags = flags.c_str();
vars.DependencyFile = depfile.c_str();
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// Rule for compiling object file.
const std::string cmdVar = std::string("CMAKE_") + lang + "_COMPILE_OBJECT";
std::string compileCmd = mf->GetRequiredDefinition(cmdVar);
std::vector<std::string> compileCmds;
cmSystemTools::ExpandListArgument(compileCmd, compileCmds);
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if (!compileCmds.empty())
{
compileCmds.front().insert(0, cldeps);
}
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;
comment << "Rule for compiling " << lang << " files.";
cmOStringStream description;
description << "Building " << lang << " object $out";
this->GetGlobalGenerator()->AddRule(this->LanguageCompilerRule(lang),
cmdLine,
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description.str(),
comment.str(),
depfile,
deptype,
/*rspfile*/ "",
/*rspcontent*/ "",
/*restat*/ "",
/*generator*/ false);
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}
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";
std::string config = this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE");
std::vector<cmSourceFile const*> customCommands;
this->GeneratorTarget->GetCustomCommands(customCommands, config);
for(std::vector<cmSourceFile const*>::const_iterator
si = customCommands.begin();
si != customCommands.end(); ++si)
{
cmCustomCommand const* cc = (*si)->GetCustomCommand();
this->GetLocalGenerator()->AddCustomCommandTarget(cc, this->GetTarget());
// Record the custom commands for this target. The container is used
// in WriteObjectBuildStatement when called in a loop below.
this->CustomCommands.push_back(cc);
}
std::vector<cmSourceFile const*> headerSources;
this->GeneratorTarget->GetHeaderSources(headerSources, config);
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
headerSources,
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this->MacOSXContentGenerator);
std::vector<cmSourceFile const*> extraSources;
this->GeneratorTarget->GetExtraSources(extraSources, config);
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
extraSources,
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this->MacOSXContentGenerator);
std::vector<cmSourceFile const*> externalObjects;
this->GeneratorTarget->GetExternalObjects(externalObjects, config);
for(std::vector<cmSourceFile const*>::const_iterator
si = externalObjects.begin();
si != externalObjects.end(); ++si)
{
this->Objects.push_back(this->GetSourceFilePath(*si));
}
cmNinjaDeps orderOnlyDeps;
this->GetLocalGenerator()->AppendTargetDepends(this->Target, orderOnlyDeps);
// Add order-only dependencies on custom command outputs.
for(std::vector<cmCustomCommand const*>::const_iterator
cci = this->CustomCommands.begin();
cci != this->CustomCommands.end(); ++cci)
{
cmCustomCommand const* cc = *cci;
cmCustomCommandGenerator ccg(*cc, this->GetConfigName(),
this->GetMakefile());
const std::vector<std::string>& ccoutputs = ccg.GetOutputs();
Add an option for explicit BYPRODUCTS of custom commands (#14963) A common idiom in CMake-based build systems is to have custom commands that generate files not listed explicitly as outputs so that these files do not have to be newer than the inputs. The file modification times of such "byproducts" are updated only when their content changes. Then other build rules can depend on the byproducts explicitly so that their dependents rebuild when the content of the original byproducts really does change. This "undeclared byproduct" approach is necessary for Makefile, VS, and Xcode build tools because if a byproduct were listed as an output of a rule then the rule would always rerun when the input is newer than the byproduct but the byproduct may never be updated. Ninja solves this problem by offering a 'restat' feature to check whether an output was really modified after running a rule and tracking the fact that it is up to date separately from its timestamp. However, Ninja also stats all dependencies up front and will only restat files that are listed as outputs of rules with the 'restat' option enabled. Therefore an undeclared byproduct that does not exist at the start of the build will be considered missing and the build will fail even if other dependencies would cause the byproduct to be available before its dependents build. CMake works around this limitation by adding 'phony' build rules for custom command dependencies in the build tree that do not have any explicit specification of what produces them. This is not optimal because it prevents Ninja from reporting an error when an input to a rule really is missing. A better approach is to allow projects to explicitly specify the byproducts of their custom commands so that no phony rules are needed for them. In order to work with the non-Ninja generators, the byproducts must be known separately from the outputs. Add a new "BYPRODUCTS" option to the add_custom_command and add_custom_target commands to specify byproducts explicitly. Teach the Ninja generator to specify byproducts as outputs of the custom commands. In the case of POST_BUILD, PRE_LINK, and PRE_BUILD events on targets that link, the byproducts must be specified as outputs of the link rule that runs the commands. Activate 'restat' for such rules so that Ninja knows it needs to check the byproducts, but not for link rules that have no byproducts.
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const std::vector<std::string>& ccbyproducts= ccg.GetByproducts();
std::transform(ccoutputs.begin(), ccoutputs.end(),
std::back_inserter(orderOnlyDeps), MapToNinjaPath());
Add an option for explicit BYPRODUCTS of custom commands (#14963) A common idiom in CMake-based build systems is to have custom commands that generate files not listed explicitly as outputs so that these files do not have to be newer than the inputs. The file modification times of such "byproducts" are updated only when their content changes. Then other build rules can depend on the byproducts explicitly so that their dependents rebuild when the content of the original byproducts really does change. This "undeclared byproduct" approach is necessary for Makefile, VS, and Xcode build tools because if a byproduct were listed as an output of a rule then the rule would always rerun when the input is newer than the byproduct but the byproduct may never be updated. Ninja solves this problem by offering a 'restat' feature to check whether an output was really modified after running a rule and tracking the fact that it is up to date separately from its timestamp. However, Ninja also stats all dependencies up front and will only restat files that are listed as outputs of rules with the 'restat' option enabled. Therefore an undeclared byproduct that does not exist at the start of the build will be considered missing and the build will fail even if other dependencies would cause the byproduct to be available before its dependents build. CMake works around this limitation by adding 'phony' build rules for custom command dependencies in the build tree that do not have any explicit specification of what produces them. This is not optimal because it prevents Ninja from reporting an error when an input to a rule really is missing. A better approach is to allow projects to explicitly specify the byproducts of their custom commands so that no phony rules are needed for them. In order to work with the non-Ninja generators, the byproducts must be known separately from the outputs. Add a new "BYPRODUCTS" option to the add_custom_command and add_custom_target commands to specify byproducts explicitly. Teach the Ninja generator to specify byproducts as outputs of the custom commands. In the case of POST_BUILD, PRE_LINK, and PRE_BUILD events on targets that link, the byproducts must be specified as outputs of the link rule that runs the commands. Activate 'restat' for such rules so that Ninja knows it needs to check the byproducts, but not for link rules that have no byproducts.
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std::transform(ccbyproducts.begin(), ccbyproducts.end(),
std::back_inserter(orderOnlyDeps), MapToNinjaPath());
}
if (!orderOnlyDeps.empty())
{
cmNinjaDeps orderOnlyTarget;
orderOnlyTarget.push_back(this->OrderDependsTargetForTarget());
this->GetGlobalGenerator()->WritePhonyBuild(this->GetBuildFileStream(),
"Order-only phony target for "
+ this->GetTargetName(),
orderOnlyTarget,
cmNinjaDeps(),
cmNinjaDeps(),
orderOnlyDeps);
}
std::vector<cmSourceFile const*> objectSources;
this->GeneratorTarget->GetObjectSources(objectSources, config);
for(std::vector<cmSourceFile const*>::const_iterator
si = objectSources.begin(); si != objectSources.end(); ++si)
{
this->WriteObjectBuildStatement(*si, !orderOnlyDeps.empty());
}
std::string def = this->GeneratorTarget->GetModuleDefinitionFile(config);
if(!def.empty())
{
this->ModuleDefinitionFile = this->ConvertToNinjaPath(def);
}
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this->GetBuildFileStream() << "\n";
}
void
cmNinjaTargetGenerator
::WriteObjectBuildStatement(
cmSourceFile const* source, bool writeOrderDependsTargetForTarget)
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{
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);
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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}
cmNinjaDeps orderOnlyDeps;
if (writeOrderDependsTargetForTarget)
{
orderOnlyDeps.push_back(this->OrderDependsTargetForTarget());
}
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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);
if (needsDepFile(language)) {
vars["DEP_FILE"] =
cmGlobalNinjaGenerator::EncodeDepfileSpace(objectFileName + ".d");
}
EnsureParentDirectoryExists(objectFileName);
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std::string objectDir = this->Target->GetSupportDirectory();
vars["OBJECT_DIR"] = this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(objectDir),
cmLocalGenerator::SHELL);
std::string objectFileDir = cmSystemTools::GetFilenamePath(objectFileName);
vars["OBJECT_FILE_DIR"] = this->GetLocalGenerator()->ConvertToOutputFormat(
ConvertToNinjaPath(objectFileDir),
cmLocalGenerator::SHELL);
this->addPoolNinjaVariable("JOB_POOL_COMPILE", this->GetTarget(), vars);
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,
this->GetGlobalGenerator()->GetCMakeInstance()->
GetHomeOutputDirectory());
}
escapedSourceFileName =
this->LocalGenerator->ConvertToOutputFormat(
escapedSourceFileName, cmLocalGenerator::SHELL);
compileObjectVars.Source = escapedSourceFileName.c_str();
compileObjectVars.Object = objectFileName.c_str();
compileObjectVars.ObjectDir = objectDir.c_str();
compileObjectVars.ObjectFileDir = objectFileDir.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);
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);
}
this->GetGlobalGenerator()->WriteBuild(this->GetBuildFileStream(),
comment,
rule,
outputs,
explicitDeps,
implicitDeps,
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());
this->GetGlobalGenerator()->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));
this->LocalGenerator->AppendFlags(flags, flag);
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}
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));
}
//----------------------------------------------------------------------------
void
cmNinjaTargetGenerator::MacOSXContentGeneratorType::operator()(
cmSourceFile const& 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);
// Get the output file location.
std::string output = macdir;
output += "/";
output += cmSystemTools::GetFilenameName(input);
output =
this->Generator->GetLocalGenerator()->ConvertToNinjaPath(output);
// 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);
}
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void cmNinjaTargetGenerator::addPoolNinjaVariable(
const std::string& pool_property,
cmTarget* target,
cmNinjaVars& vars)
{
const char* pool = target->GetProperty(pool_property);
if (pool)
{
vars["pool"] = pool;
}
}