CMake/Source/cmMakefileTargetGenerator.cxx

1825 lines
64 KiB
C++

/*============================================================================
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 "cmMakefileTargetGenerator.h"
#include "cmGeneratorTarget.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalGenerator.h"
#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
#include "cmake.h"
#include "cmState.h"
#include "cmComputeLinkInformation.h"
#include "cmCustomCommandGenerator.h"
#include "cmGeneratorExpression.h"
#include "cmAlgorithms.h"
#include "cmMakefileExecutableTargetGenerator.h"
#include "cmMakefileLibraryTargetGenerator.h"
#include "cmMakefileUtilityTargetGenerator.h"
#include <ctype.h>
cmMakefileTargetGenerator::cmMakefileTargetGenerator(cmGeneratorTarget* target)
: cmCommonTargetGenerator(target)
, OSXBundleGenerator(0)
, MacOSXContentGenerator(0)
{
this->BuildFileStream = 0;
this->InfoFileStream = 0;
this->FlagFileStream = 0;
this->CustomCommandDriver = OnBuild;
this->LocalGenerator =
static_cast<cmLocalUnixMakefileGenerator3*>(target->GetLocalGenerator());
this->GlobalGenerator =
static_cast<cmGlobalUnixMakefileGenerator3*>(
this->LocalGenerator->GetGlobalGenerator());
cmake* cm = this->GlobalGenerator->GetCMakeInstance();
this->NoRuleMessages = false;
if(const char* ruleStatus = cm->GetState()
->GetGlobalProperty("RULE_MESSAGES"))
{
this->NoRuleMessages = cmSystemTools::IsOff(ruleStatus);
}
MacOSXContentGenerator = new MacOSXContentGeneratorType(this);
}
cmMakefileTargetGenerator::~cmMakefileTargetGenerator()
{
delete MacOSXContentGenerator;
}
cmMakefileTargetGenerator *
cmMakefileTargetGenerator::New(cmGeneratorTarget *tgt)
{
cmMakefileTargetGenerator *result = 0;
switch (tgt->GetType())
{
case cmTarget::EXECUTABLE:
result = new cmMakefileExecutableTargetGenerator(tgt);
break;
case cmTarget::STATIC_LIBRARY:
case cmTarget::SHARED_LIBRARY:
case cmTarget::MODULE_LIBRARY:
case cmTarget::OBJECT_LIBRARY:
result = new cmMakefileLibraryTargetGenerator(tgt);
break;
case cmTarget::UTILITY:
result = new cmMakefileUtilityTargetGenerator(tgt);
break;
default:
return result;
// break; /* unreachable */
}
return result;
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::CreateRuleFile()
{
// Create a directory for this target.
this->TargetBuildDirectory =
this->LocalGenerator->GetTargetDirectory(*this->Target);
this->TargetBuildDirectoryFull =
this->LocalGenerator->ConvertToFullPath(this->TargetBuildDirectory);
cmSystemTools::MakeDirectory(this->TargetBuildDirectoryFull.c_str());
// Construct the rule file name.
this->BuildFileName = this->TargetBuildDirectory;
this->BuildFileName += "/build.make";
this->BuildFileNameFull = this->TargetBuildDirectoryFull;
this->BuildFileNameFull += "/build.make";
// Construct the rule file name.
this->ProgressFileNameFull = this->TargetBuildDirectoryFull;
this->ProgressFileNameFull += "/progress.make";
// reset the progress count
this->NumberOfProgressActions = 0;
// Open the rule file. This should be copy-if-different because the
// rules may depend on this file itself.
this->BuildFileStream =
new cmGeneratedFileStream(this->BuildFileNameFull.c_str());
this->BuildFileStream->SetCopyIfDifferent(true);
if(!this->BuildFileStream)
{
return;
}
this->LocalGenerator->WriteDisclaimer(*this->BuildFileStream);
if (this->GlobalGenerator->AllowDeleteOnError())
{
std::vector<std::string> no_depends;
std::vector<std::string> no_commands;
this->LocalGenerator->WriteMakeRule(
*this->BuildFileStream, "Delete rule output on recipe failure.",
".DELETE_ON_ERROR", no_depends, no_commands, false);
}
this->LocalGenerator->WriteSpecialTargetsTop(*this->BuildFileStream);
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteTargetBuildRules()
{
const std::string& config =
this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE");
// write the custom commands for this target
// Look for files registered for cleaning in this directory.
if(const char* additional_clean_files =
this->Makefile->GetProperty
("ADDITIONAL_MAKE_CLEAN_FILES"))
{
cmGeneratorExpression ge;
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge =
ge.Parse(additional_clean_files);
cmSystemTools::ExpandListArgument(cge->Evaluate(this->Makefile, config,
false, this->Target, 0, 0),
this->CleanFiles);
}
// add custom commands to the clean rules?
const char* clean_no_custom =
this->Makefile->GetProperty("CLEAN_NO_CUSTOM");
bool clean = cmSystemTools::IsOff(clean_no_custom);
// First generate the object rule files. Save a list of all object
// files for this target.
std::vector<cmSourceFile const*> customCommands;
this->GeneratorTarget->GetCustomCommands(customCommands, config);
for(std::vector<cmSourceFile const*>::const_iterator
si = customCommands.begin();
si != customCommands.end(); ++si)
{
cmCustomCommandGenerator ccg(*(*si)->GetCustomCommand(),
this->ConfigName,
this->LocalGenerator);
this->GenerateCustomRuleFile(ccg);
if (clean)
{
const std::vector<std::string>& outputs = ccg.GetOutputs();
for(std::vector<std::string>::const_iterator o = outputs.begin();
o != outputs.end(); ++o)
{
this->CleanFiles.push_back
(this->Convert(*o,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
}
}
std::vector<cmSourceFile const*> headerSources;
this->GeneratorTarget->GetHeaderSources(headerSources, config);
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
headerSources,
this->MacOSXContentGenerator);
std::vector<cmSourceFile const*> extraSources;
this->GeneratorTarget->GetExtraSources(extraSources, config);
this->OSXBundleGenerator->GenerateMacOSXContentStatements(
extraSources,
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->ExternalObjects.push_back((*si)->GetFullPath());
}
std::vector<cmSourceFile const*> objectSources;
this->GeneratorTarget->GetObjectSources(objectSources, config);
for(std::vector<cmSourceFile const*>::const_iterator
si = objectSources.begin(); si != objectSources.end(); ++si)
{
// Generate this object file's rule file.
this->WriteObjectRuleFiles(**si);
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteCommonCodeRules()
{
const char* root = (this->Makefile->IsOn("CMAKE_MAKE_INCLUDE_FROM_ROOT")?
"$(CMAKE_BINARY_DIR)/" : "");
// Include the dependencies for the target.
std::string dependFileNameFull = this->TargetBuildDirectoryFull;
dependFileNameFull += "/depend.make";
*this->BuildFileStream
<< "# Include any dependencies generated for this target.\n"
<< this->GlobalGenerator->IncludeDirective << " " << root
<< this->Convert(dependFileNameFull,
cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::MAKERULE)
<< "\n\n";
if(!this->NoRuleMessages)
{
// Include the progress variables for the target.
*this->BuildFileStream
<< "# Include the progress variables for this target.\n"
<< this->GlobalGenerator->IncludeDirective << " " << root
<< this->Convert(this->ProgressFileNameFull,
cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::MAKERULE)
<< "\n\n";
}
// make sure the depend file exists
if (!cmSystemTools::FileExists(dependFileNameFull.c_str()))
{
// Write an empty dependency file.
cmGeneratedFileStream depFileStream(dependFileNameFull.c_str());
depFileStream
<< "# Empty dependencies file for " << this->Target->GetName() << ".\n"
<< "# This may be replaced when dependencies are built." << std::endl;
}
// Open the flags file. This should be copy-if-different because the
// rules may depend on this file itself.
this->FlagFileNameFull = this->TargetBuildDirectoryFull;
this->FlagFileNameFull += "/flags.make";
this->FlagFileStream =
new cmGeneratedFileStream(this->FlagFileNameFull.c_str());
this->FlagFileStream->SetCopyIfDifferent(true);
if(!this->FlagFileStream)
{
return;
}
this->LocalGenerator->WriteDisclaimer(*this->FlagFileStream);
// Include the flags for the target.
*this->BuildFileStream
<< "# Include the compile flags for this target's objects.\n"
<< this->GlobalGenerator->IncludeDirective << " " << root
<< this->Convert(this->FlagFileNameFull,
cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::MAKERULE)
<< "\n\n";
}
void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
{
// write language flags for target
std::set<std::string> languages;
this->Target->GetLanguages(languages,
this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
// put the compiler in the rules.make file so that if it changes
// things rebuild
for(std::set<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
std::string compiler = "CMAKE_";
compiler += *l;
compiler += "_COMPILER";
*this->FlagFileStream << "# compile " << *l << " with " <<
this->Makefile->GetSafeDefinition(compiler) << "\n";
}
for(std::set<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
std::string flags = this->GetFlags(*l);
std::string defines = this->GetDefines(*l);
std::string includes = this->GetIncludes(*l);
// Escape comment characters so they do not terminate assignment.
cmSystemTools::ReplaceString(flags, "#", "\\#");
cmSystemTools::ReplaceString(defines, "#", "\\#");
cmSystemTools::ReplaceString(includes, "#", "\\#");
*this->FlagFileStream << *l << "_FLAGS = " << flags << "\n\n";
*this->FlagFileStream << *l << "_DEFINES = " << defines << "\n\n";
*this->FlagFileStream << *l << "_INCLUDES = " << includes << "\n\n";
}
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator::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();
// Get the output file location.
std::string output = macdir;
output += "/";
output += cmSystemTools::GetFilenameName(input);
this->Generator->CleanFiles.push_back(
this->Generator->Convert(output,
cmLocalGenerator::START_OUTPUT));
output = this->Generator->Convert(output,
cmLocalGenerator::HOME_OUTPUT);
// Create a rule to copy the content into the bundle.
std::vector<std::string> depends;
std::vector<std::string> commands;
depends.push_back(input);
std::string copyEcho = "Copying OS X content ";
copyEcho += output;
this->Generator->LocalGenerator->AppendEcho(
commands, copyEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoBuild);
std::string copyCommand = "$(CMAKE_COMMAND) -E copy ";
copyCommand += this->Generator->Convert(input,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
copyCommand += " ";
copyCommand += this->Generator->Convert(output,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
commands.push_back(copyCommand);
this->Generator->LocalGenerator->WriteMakeRule(
*this->Generator->BuildFileStream, 0,
output,
depends, commands, false);
this->Generator->ExtraFiles.insert(output);
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::WriteObjectRuleFiles(cmSourceFile const& source)
{
// Identify the language of the source file.
const std::string& lang =
this->LocalGenerator->GetSourceFileLanguage(source);
if(lang.empty())
{
// don't know anything about this file so skip it
return;
}
// Get the full path name of the object file.
std::string const& objectName = this->GeneratorTarget
->GetObjectName(&source);
std::string obj = this->LocalGenerator->GetTargetDirectory(*this->Target);
obj += "/";
obj += objectName;
// Avoid generating duplicate rules.
if(this->ObjectFiles.find(obj) == this->ObjectFiles.end())
{
this->ObjectFiles.insert(obj);
}
else
{
std::ostringstream err;
err << "Warning: Source file \""
<< source.GetFullPath()
<< "\" is listed multiple times for target \""
<< this->Target->GetName()
<< "\".";
cmSystemTools::Message(err.str().c_str(), "Warning");
return;
}
// Create the directory containing the object file. This may be a
// subdirectory under the target's directory.
std::string dir = cmSystemTools::GetFilenamePath(obj);
cmSystemTools::MakeDirectory
(this->LocalGenerator->ConvertToFullPath(dir).c_str());
// Save this in the target's list of object files.
this->Objects.push_back(obj);
this->CleanFiles.push_back(obj);
// TODO: Remove
//std::string relativeObj
//= this->LocalGenerator->GetHomeRelativeOutputPath();
//relativeObj += obj;
// we compute some depends when writing the depend.make that we will also
// use in the build.make, same with depMakeFile
std::vector<std::string> depends;
std::string depMakeFile;
// generate the build rule file
this->WriteObjectBuildFile(obj, lang, source, depends);
// The object file should be checked for dependency integrity.
std::string objFullPath = this->Makefile->GetCurrentBinaryDirectory();
objFullPath += "/";
objFullPath += obj;
objFullPath =
this->Convert(objFullPath, cmLocalGenerator::FULL);
std::string srcFullPath =
this->Convert(source.GetFullPath(), cmLocalGenerator::FULL);
this->LocalGenerator->
AddImplicitDepends(*this->Target, lang,
objFullPath.c_str(),
srcFullPath.c_str());
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::WriteObjectBuildFile(std::string &obj,
const std::string& lang,
cmSourceFile const& source,
std::vector<std::string>& depends)
{
this->LocalGenerator->AppendRuleDepend(depends,
this->FlagFileNameFull.c_str());
this->LocalGenerator->AppendRuleDepends(depends,
this->FlagFileDepends[lang]);
// generate the depend scanning rule
this->WriteObjectDependRules(source, depends);
std::string relativeObj = this->LocalGenerator->GetHomeRelativeOutputPath();
relativeObj += obj;
// Write the build rule.
// Build the set of compiler flags.
std::string flags;
// Add language-specific flags.
std::string langFlags = "$(";
langFlags += lang;
langFlags += "_FLAGS)";
this->LocalGenerator->AppendFlags(flags, langFlags);
std::string configUpper =
cmSystemTools::UpperCase(this->LocalGenerator->GetConfigName());
// Add Fortran format flags.
if(lang == "Fortran")
{
this->AppendFortranFormatFlags(flags, source);
}
// Add flags from source file properties.
if (source.GetProperty("COMPILE_FLAGS"))
{
this->LocalGenerator->AppendFlags
(flags, source.GetProperty("COMPILE_FLAGS"));
*this->FlagFileStream << "# Custom flags: "
<< relativeObj << "_FLAGS = "
<< source.GetProperty("COMPILE_FLAGS")
<< "\n"
<< "\n";
}
// Add language-specific defines.
std::set<std::string> defines;
// Add source-sepcific preprocessor definitions.
if(const char* compile_defs = source.GetProperty("COMPILE_DEFINITIONS"))
{
this->LocalGenerator->AppendDefines(defines, compile_defs);
*this->FlagFileStream << "# Custom defines: "
<< relativeObj << "_DEFINES = "
<< compile_defs << "\n"
<< "\n";
}
std::string defPropName = "COMPILE_DEFINITIONS_";
defPropName += configUpper;
if(const char* config_compile_defs =
source.GetProperty(defPropName))
{
this->LocalGenerator->AppendDefines(defines, config_compile_defs);
*this->FlagFileStream
<< "# Custom defines: "
<< relativeObj << "_DEFINES_" << configUpper
<< " = " << config_compile_defs << "\n"
<< "\n";
}
// Get the output paths for source and object files.
std::string sourceFile = this->Convert(source.GetFullPath(),
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
// Construct the build message.
std::vector<std::string> no_commands;
std::vector<std::string> commands;
// add in a progress call if needed
this->NumberOfProgressActions++;
if(!this->NoRuleMessages)
{
cmLocalUnixMakefileGenerator3::EchoProgress progress;
this->MakeEchoProgress(progress);
std::string buildEcho = "Building ";
buildEcho += lang;
buildEcho += " object ";
buildEcho += relativeObj;
this->LocalGenerator->AppendEcho
(commands, buildEcho.c_str(), cmLocalUnixMakefileGenerator3::EchoBuild,
&progress);
}
std::string targetOutPathReal;
std::string targetOutPathPDB;
std::string targetOutPathCompilePDB;
{
std::string targetFullPathReal;
std::string targetFullPathPDB;
std::string targetFullPathCompilePDB;
if(this->Target->GetType() == cmTarget::EXECUTABLE ||
this->Target->GetType() == cmTarget::STATIC_LIBRARY ||
this->Target->GetType() == cmTarget::SHARED_LIBRARY ||
this->Target->GetType() == cmTarget::MODULE_LIBRARY)
{
targetFullPathReal =
this->GeneratorTarget->GetFullPath(this->ConfigName, false, true);
targetFullPathPDB = this->Target->GetPDBDirectory(this->ConfigName);
targetFullPathPDB += "/";
targetFullPathPDB += this->Target->GetPDBName(this->ConfigName);
}
if(this->Target->GetType() <= cmTarget::OBJECT_LIBRARY)
{
targetFullPathCompilePDB =
this->Target->GetCompilePDBPath(this->ConfigName);
if(targetFullPathCompilePDB.empty())
{
targetFullPathCompilePDB = this->Target->GetSupportDirectory() + "/";
}
}
targetOutPathReal = this->Convert(targetFullPathReal,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
targetOutPathPDB =
this->Convert(targetFullPathPDB,cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
targetOutPathCompilePDB =
this->Convert(targetFullPathCompilePDB,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
if (this->LocalGenerator->IsMinGWMake() &&
cmHasLiteralSuffix(targetOutPathCompilePDB, "\\"))
{
// mingw32-make incorrectly interprets 'a\ b c' as 'a b' and 'c'
// (but 'a\ b "c"' as 'a\', 'b', and 'c'!). Workaround this by
// avoiding a trailing backslash in the argument.
targetOutPathCompilePDB[targetOutPathCompilePDB.size()-1] = '/';
}
}
cmLocalGenerator::RuleVariables vars;
vars.RuleLauncher = "RULE_LAUNCH_COMPILE";
vars.CMTarget = this->Target;
vars.Language = lang.c_str();
vars.Target = targetOutPathReal.c_str();
vars.TargetPDB = targetOutPathPDB.c_str();
vars.TargetCompilePDB = targetOutPathCompilePDB.c_str();
vars.Source = sourceFile.c_str();
std::string shellObj =
this->Convert(obj,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
vars.Object = shellObj.c_str();
std::string objectDir = this->Target->GetSupportDirectory();
objectDir = this->Convert(objectDir,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
vars.ObjectDir = objectDir.c_str();
std::string objectFileDir = cmSystemTools::GetFilenamePath(obj);
objectFileDir = this->Convert(objectFileDir,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
vars.ObjectFileDir = objectFileDir.c_str();
vars.Flags = flags.c_str();
std::string definesString = "$(";
definesString += lang;
definesString += "_DEFINES)";
this->LocalGenerator->JoinDefines(defines, definesString, lang);
vars.Defines = definesString.c_str();
std::string const includesString = "$(" + lang + "_INCLUDES)";
vars.Includes = includesString.c_str();
// At the moment, it is assumed that C, C++, and Fortran have both
// assembly and preprocessor capabilities. The same is true for the
// ability to export compile commands
bool lang_has_preprocessor = ((lang == "C") ||
(lang == "CXX") ||
(lang == "Fortran"));
bool const lang_has_assembly = lang_has_preprocessor;
bool const lang_can_export_cmds = lang_has_preprocessor;
// Construct the compile rules.
{
std::string compileRuleVar = "CMAKE_";
compileRuleVar += lang;
compileRuleVar += "_COMPILE_OBJECT";
std::string compileRule =
this->Makefile->GetRequiredDefinition(compileRuleVar);
std::vector<std::string> compileCommands;
cmSystemTools::ExpandListArgument(compileRule, compileCommands);
if (this->Makefile->IsOn("CMAKE_EXPORT_COMPILE_COMMANDS") &&
lang_can_export_cmds && compileCommands.size() == 1)
{
std::string compileCommand = compileCommands[0];
this->LocalGenerator->ExpandRuleVariables(compileCommand, vars);
std::string workingDirectory =
this->LocalGenerator->Convert(
this->Makefile->GetCurrentBinaryDirectory(), cmLocalGenerator::FULL);
compileCommand.replace(compileCommand.find(langFlags),
langFlags.size(), this->GetFlags(lang));
std::string langDefines = std::string("$(") + lang + "_DEFINES)";
compileCommand.replace(compileCommand.find(langDefines),
langDefines.size(), this->GetDefines(lang));
std::string langIncludes = std::string("$(") + lang + "_INCLUDES)";
compileCommand.replace(compileCommand.find(langIncludes),
langIncludes.size(), this->GetIncludes(lang));
this->GlobalGenerator->AddCXXCompileCommand(
source.GetFullPath(), workingDirectory, compileCommand);
}
// Maybe insert an include-what-you-use runner.
if (!compileCommands.empty() && (lang == "C" || lang == "CXX"))
{
std::string const iwyu_prop = lang + "_INCLUDE_WHAT_YOU_USE";
const char *iwyu = this->Target->GetProperty(iwyu_prop);
if (iwyu && *iwyu)
{
std::string run_iwyu = "$(CMAKE_COMMAND) -E __run_iwyu --iwyu=";
run_iwyu += this->LocalGenerator->EscapeForShell(iwyu);
run_iwyu += " -- ";
compileCommands.front().insert(0, run_iwyu);
}
}
// Maybe insert a compiler launcher like ccache or distcc
if (!compileCommands.empty() && (lang == "C" || lang == "CXX"))
{
std::string const clauncher_prop = lang + "_COMPILER_LAUNCHER";
const char *clauncher = this->Target->GetProperty(clauncher_prop);
if (clauncher && *clauncher)
{
std::vector<std::string> launcher_cmd;
cmSystemTools::ExpandListArgument(clauncher, launcher_cmd, true);
for (std::vector<std::string>::iterator i = launcher_cmd.begin(),
e = launcher_cmd.end(); i != e; ++i)
{
*i = this->LocalGenerator->EscapeForShell(*i);
}
std::string const& run_launcher = cmJoin(launcher_cmd, " ") + " ";
compileCommands.front().insert(0, run_launcher);
}
}
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = compileCommands.begin();
i != compileCommands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i, vars);
}
// Change the command working directory to the local build tree.
this->LocalGenerator->CreateCDCommand
(compileCommands,
this->Makefile->GetCurrentBinaryDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(),
compileCommands.begin(), compileCommands.end());
}
// Check for extra outputs created by the compilation.
std::vector<std::string> outputs(1, relativeObj);
if(const char* extra_outputs_str =
source.GetProperty("OBJECT_OUTPUTS"))
{
// Register these as extra files to clean.
cmSystemTools::ExpandListArgument(extra_outputs_str, outputs);
this->CleanFiles.insert(this->CleanFiles.end(),
outputs.begin() + 1, outputs.end());
}
// Write the rule.
this->WriteMakeRule(*this->BuildFileStream, 0, outputs,
depends, commands);
bool do_preprocess_rules = lang_has_preprocessor &&
this->LocalGenerator->GetCreatePreprocessedSourceRules();
bool do_assembly_rules = lang_has_assembly &&
this->LocalGenerator->GetCreateAssemblySourceRules();
if(do_preprocess_rules || do_assembly_rules)
{
std::vector<std::string> force_depends;
force_depends.push_back("cmake_force");
std::string::size_type dot_pos = relativeObj.rfind(".");
std::string relativeObjBase = relativeObj.substr(0, dot_pos);
dot_pos = obj.rfind(".");
std::string objBase = obj.substr(0, dot_pos);
if(do_preprocess_rules)
{
commands.clear();
std::string relativeObjI = relativeObjBase + ".i";
std::string objI = objBase + ".i";
std::string preprocessEcho = "Preprocessing ";
preprocessEcho += lang;
preprocessEcho += " source to ";
preprocessEcho += objI;
this->LocalGenerator->AppendEcho(
commands, preprocessEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoBuild
);
std::string preprocessRuleVar = "CMAKE_";
preprocessRuleVar += lang;
preprocessRuleVar += "_CREATE_PREPROCESSED_SOURCE";
if(const char* preprocessRule =
this->Makefile->GetDefinition(preprocessRuleVar))
{
std::vector<std::string> preprocessCommands;
cmSystemTools::ExpandListArgument(preprocessRule, preprocessCommands);
std::string shellObjI =
this->Convert(objI,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
vars.PreprocessedSource = shellObjI.c_str();
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = preprocessCommands.begin();
i != preprocessCommands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i, vars);
}
this->LocalGenerator->CreateCDCommand
(preprocessCommands,
this->Makefile->GetCurrentBinaryDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(),
preprocessCommands.begin(),
preprocessCommands.end());
}
else
{
std::string cmd = "$(CMAKE_COMMAND) -E cmake_unimplemented_variable ";
cmd += preprocessRuleVar;
commands.push_back(cmd);
}
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
relativeObjI,
force_depends, commands, false);
}
if(do_assembly_rules)
{
commands.clear();
std::string relativeObjS = relativeObjBase + ".s";
std::string objS = objBase + ".s";
std::string assemblyEcho = "Compiling ";
assemblyEcho += lang;
assemblyEcho += " source to assembly ";
assemblyEcho += objS;
this->LocalGenerator->AppendEcho(
commands, assemblyEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoBuild
);
std::string assemblyRuleVar = "CMAKE_";
assemblyRuleVar += lang;
assemblyRuleVar += "_CREATE_ASSEMBLY_SOURCE";
if(const char* assemblyRule =
this->Makefile->GetDefinition(assemblyRuleVar))
{
std::vector<std::string> assemblyCommands;
cmSystemTools::ExpandListArgument(assemblyRule, assemblyCommands);
std::string shellObjS =
this->Convert(objS,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
vars.AssemblySource = shellObjS.c_str();
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = assemblyCommands.begin();
i != assemblyCommands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i, vars);
}
this->LocalGenerator->CreateCDCommand
(assemblyCommands,
this->Makefile->GetCurrentBinaryDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(),
assemblyCommands.begin(),
assemblyCommands.end());
}
else
{
std::string cmd = "$(CMAKE_COMMAND) -E cmake_unimplemented_variable ";
cmd += assemblyRuleVar;
commands.push_back(cmd);
}
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
relativeObjS,
force_depends, commands, false);
}
}
// If the language needs provides-requires mode, create the
// corresponding targets.
std::string objectRequires = relativeObj;
objectRequires += ".requires";
std::vector<std::string> p_depends;
// always provide an empty requires target
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
objectRequires, p_depends,
no_commands, true);
// write a build rule to recursively build what this obj provides
std::string objectProvides = relativeObj;
objectProvides += ".provides";
std::string temp = relativeObj;
temp += ".provides.build";
std::vector<std::string> r_commands;
std::string tgtMakefileName =
this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
tgtMakefileName += "/build.make";
r_commands.push_back
(this->LocalGenerator->GetRecursiveMakeCall(tgtMakefileName.c_str(),
temp));
p_depends.clear();
p_depends.push_back(objectRequires);
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
objectProvides, p_depends,
r_commands, true);
// write the provides.build rule dependency on the obj file
p_depends.clear();
p_depends.push_back(relativeObj);
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
temp, p_depends, no_commands,
false);
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteTargetRequiresRules()
{
std::vector<std::string> depends;
std::vector<std::string> no_commands;
// Construct the name of the dependency generation target.
std::string depTarget =
this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
depTarget += "/requires";
// This target drives dependency generation for all object files.
std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
std::string objTarget;
for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
obj != this->Objects.end(); ++obj)
{
objTarget = relPath;
objTarget += *obj;
objTarget += ".requires";
depends.push_back(objTarget);
}
// Write the rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
depTarget,
depends, no_commands, true);
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteTargetCleanRules()
{
std::vector<std::string> depends;
std::vector<std::string> commands;
// Construct the clean target name.
std::string cleanTarget =
this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
cleanTarget += "/clean";
// Construct the clean command.
this->LocalGenerator->AppendCleanCommand(commands, this->CleanFiles,
*this->Target);
this->LocalGenerator->CreateCDCommand
(commands,
this->Makefile->GetCurrentBinaryDirectory(),
cmLocalGenerator::HOME_OUTPUT);
// Write the rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
cleanTarget,
depends, commands, true);
}
//----------------------------------------------------------------------------
bool cmMakefileTargetGenerator::WriteMakeRule(
std::ostream& os,
const char* comment,
const std::vector<std::string>& outputs,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands,
bool in_help)
{
bool symbolic = false;
if (outputs.size() == 0)
{
return symbolic;
}
// Check whether we need to bother checking for a symbolic output.
bool need_symbolic = this->GlobalGenerator->GetNeedSymbolicMark();
// Check whether the first output is marked as symbolic.
if(need_symbolic)
{
if(cmSourceFile* sf = this->Makefile->GetSource(outputs[0]))
{
symbolic = sf->GetPropertyAsBool("SYMBOLIC");
}
}
// We always attach the actual commands to the first output.
this->LocalGenerator->WriteMakeRule(os, comment, outputs[0], depends,
commands, symbolic, in_help);
// For single outputs, we are done.
if (outputs.size() == 1)
{
return symbolic;
}
// For multiple outputs, make the extra ones depend on the first one.
std::vector<std::string> const output_depends(1, outputs[0]);
for (std::vector<std::string>::const_iterator o = outputs.begin()+1;
o != outputs.end(); ++o)
{
// Touch the extra output so "make" knows that it was updated,
// but only if the output was acually created.
std::string const out = this->Convert(*o, cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::SHELL);
std::vector<std::string> output_commands;
bool o_symbolic = false;
if(need_symbolic)
{
if(cmSourceFile* sf = this->Makefile->GetSource(*o))
{
o_symbolic = sf->GetPropertyAsBool("SYMBOLIC");
}
}
symbolic = symbolic && o_symbolic;
if (!o_symbolic)
{
output_commands.push_back("@$(CMAKE_COMMAND) -E touch_nocreate " + out);
}
this->LocalGenerator->WriteMakeRule(os, 0, *o, output_depends,
output_commands, o_symbolic, in_help);
if (!o_symbolic)
{
// At build time, remove the first output if this one does not exist
// so that "make" will rerun the real commands that create this one.
MultipleOutputPairsType::value_type p(*o, outputs[0]);
this->MultipleOutputPairs.insert(p);
}
}
return symbolic;
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteTargetDependRules()
{
// must write the targets depend info file
std::string dir = this->LocalGenerator->GetTargetDirectory(*this->Target);
this->InfoFileNameFull = dir;
this->InfoFileNameFull += "/DependInfo.cmake";
this->InfoFileNameFull =
this->LocalGenerator->ConvertToFullPath(this->InfoFileNameFull);
this->InfoFileStream =
new cmGeneratedFileStream(this->InfoFileNameFull.c_str());
this->InfoFileStream->SetCopyIfDifferent(true);
if(!*this->InfoFileStream)
{
return;
}
this->LocalGenerator->
WriteDependLanguageInfo(*this->InfoFileStream,*this->Target);
// Store multiple output pairs in the depend info file.
if(!this->MultipleOutputPairs.empty())
{
*this->InfoFileStream
<< "\n"
<< "# Pairs of files generated by the same build rule.\n"
<< "set(CMAKE_MULTIPLE_OUTPUT_PAIRS\n";
for(MultipleOutputPairsType::const_iterator pi =
this->MultipleOutputPairs.begin();
pi != this->MultipleOutputPairs.end(); ++pi)
{
*this->InfoFileStream
<< " " << cmOutputConverter::EscapeForCMake(pi->first)
<< " " << cmOutputConverter::EscapeForCMake(pi->second)
<< "\n";
}
*this->InfoFileStream << " )\n\n";
}
// Store list of targets linked directly or transitively.
{
*this->InfoFileStream
<< "\n"
<< "# Targets to which this target links.\n"
<< "set(CMAKE_TARGET_LINKED_INFO_FILES\n";
std::set<cmTarget const*> emitted;
const char* cfg = this->LocalGenerator->GetConfigName().c_str();
if(cmComputeLinkInformation* cli = this->Target->GetLinkInformation(cfg))
{
cmComputeLinkInformation::ItemVector const& items = cli->GetItems();
for(cmComputeLinkInformation::ItemVector::const_iterator
i = items.begin(); i != items.end(); ++i)
{
cmTarget const* linkee = i->Target;
if(linkee && !linkee->IsImported()
// We can ignore the INTERFACE_LIBRARY items because
// Target->GetLinkInformation already processed their
// link interface and they don't have any output themselves.
&& linkee->GetType() != cmTarget::INTERFACE_LIBRARY
&& emitted.insert(linkee).second)
{
cmGeneratorTarget* gt =
this->GlobalGenerator->GetGeneratorTarget(linkee);
cmLocalGenerator* lg = gt->GetLocalGenerator();
cmMakefile* mf = linkee->GetMakefile();
std::string di = mf->GetCurrentBinaryDirectory();
di += "/";
di += lg->GetTargetDirectory(*linkee);
di += "/DependInfo.cmake";
*this->InfoFileStream << " \"" << di << "\"\n";
}
}
}
*this->InfoFileStream
<< " )\n";
}
// Check for a target-specific module output directory.
if(const char* mdir = this->GetFortranModuleDirectory())
{
*this->InfoFileStream
<< "\n"
<< "# Fortran module output directory.\n"
<< "set(CMAKE_Fortran_TARGET_MODULE_DIR \"" << mdir << "\")\n";
}
// and now write the rule to use it
std::vector<std::string> depends;
std::vector<std::string> commands;
// Construct the name of the dependency generation target.
std::string depTarget =
this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
depTarget += "/depend";
// Add a command to call CMake to scan dependencies. CMake will
// touch the corresponding depends file after scanning dependencies.
std::ostringstream depCmd;
// TODO: Account for source file properties and directory-level
// definitions when scanning for dependencies.
#if !defined(_WIN32) || defined(__CYGWIN__)
// This platform supports symlinks, so cmSystemTools will translate
// paths. Make sure PWD is set to the original name of the home
// output directory to help cmSystemTools to create the same
// translation table for the dependency scanning process.
depCmd << "cd "
<< (this->LocalGenerator->Convert(
this->Makefile->GetHomeOutputDirectory(),
cmLocalGenerator::FULL, cmLocalGenerator::SHELL))
<< " && ";
#endif
// Generate a call this signature:
//
// cmake -E cmake_depends <generator>
// <home-src-dir> <start-src-dir>
// <home-out-dir> <start-out-dir>
// <dep-info> --color=$(COLOR)
//
// This gives the dependency scanner enough information to recreate
// the state of our local generator sufficiently for its needs.
depCmd << "$(CMAKE_COMMAND) -E cmake_depends \""
<< this->GlobalGenerator->GetName() << "\" "
<< this->Convert(this->Makefile->GetHomeDirectory(),
cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
<< " "
<< this->Convert(this->Makefile->GetCurrentSourceDirectory(),
cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
<< " "
<< this->Convert(this->Makefile->GetHomeOutputDirectory(),
cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
<< " "
<< this->Convert(this->Makefile->GetCurrentBinaryDirectory(),
cmLocalGenerator::FULL, cmLocalGenerator::SHELL)
<< " "
<< this->Convert(this->InfoFileNameFull,
cmLocalGenerator::FULL, cmLocalGenerator::SHELL);
if(this->LocalGenerator->GetColorMakefile())
{
depCmd << " --color=$(COLOR)";
}
commands.push_back(depCmd.str());
// Make sure all custom command outputs in this target are built.
if(this->CustomCommandDriver == OnDepends)
{
this->DriveCustomCommands(depends);
}
// Write the rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
depTarget,
depends, commands, true);
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::DriveCustomCommands(std::vector<std::string>& depends)
{
// Depend on all custom command outputs.
std::vector<cmSourceFile*> sources;
this->Target->GetSourceFiles(sources,
this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
source != sources.end(); ++source)
{
if(cmCustomCommand* cc = (*source)->GetCustomCommand())
{
cmCustomCommandGenerator ccg(*cc, this->ConfigName,
this->LocalGenerator);
const std::vector<std::string>& outputs = ccg.GetOutputs();
depends.insert(depends.end(), outputs.begin(), outputs.end());
}
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::WriteObjectDependRules(cmSourceFile const& source,
std::vector<std::string>& depends)
{
// Create the list of dependencies known at cmake time. These are
// shared between the object file and dependency scanning rule.
depends.push_back(source.GetFullPath());
if(const char* objectDeps = source.GetProperty("OBJECT_DEPENDS"))
{
cmSystemTools::ExpandListArgument(objectDeps, depends);
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::GenerateCustomRuleFile(cmCustomCommandGenerator const& ccg)
{
// Collect the commands.
std::vector<std::string> commands;
std::string comment = this->LocalGenerator->ConstructComment(ccg);
if(!comment.empty())
{
// add in a progress call if needed
this->NumberOfProgressActions++;
if(!this->NoRuleMessages)
{
cmLocalUnixMakefileGenerator3::EchoProgress progress;
this->MakeEchoProgress(progress);
this->LocalGenerator
->AppendEcho(commands, comment.c_str(),
cmLocalUnixMakefileGenerator3::EchoGenerate,
&progress);
}
}
// Now append the actual user-specified commands.
std::ostringstream content;
this->LocalGenerator->AppendCustomCommand(commands, ccg, this->Target, false,
cmLocalGenerator::HOME_OUTPUT,
&content);
// Collect the dependencies.
std::vector<std::string> depends;
this->LocalGenerator->AppendCustomDepend(depends, ccg);
// Write the rule.
const std::vector<std::string>& outputs = ccg.GetOutputs();
bool symbolic = this->WriteMakeRule(*this->BuildFileStream, 0,
outputs, depends, commands);
// If the rule has changed make sure the output is rebuilt.
if(!symbolic)
{
this->GlobalGenerator->AddRuleHash(ccg.GetOutputs(), content.str());
}
// Setup implicit dependency scanning.
for(cmCustomCommand::ImplicitDependsList::const_iterator
idi = ccg.GetCC().GetImplicitDepends().begin();
idi != ccg.GetCC().GetImplicitDepends().end(); ++idi)
{
std::string objFullPath =
this->Convert(outputs[0], cmLocalGenerator::FULL);
std::string srcFullPath =
this->Convert(idi->second, cmLocalGenerator::FULL);
this->LocalGenerator->
AddImplicitDepends(*this->Target, idi->first,
objFullPath.c_str(),
srcFullPath.c_str());
}
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::MakeEchoProgress(cmLocalUnixMakefileGenerator3::EchoProgress& progress) const
{
progress.Dir = this->Makefile->GetHomeOutputDirectory();
progress.Dir += cmake::GetCMakeFilesDirectory();
std::ostringstream progressArg;
progressArg << "$(CMAKE_PROGRESS_" << this->NumberOfProgressActions << ")";
progress.Arg = progressArg.str();
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::WriteObjectsVariable(std::string& variableName,
std::string& variableNameExternal,
bool useWatcomQuote)
{
// Write a make variable assignment that lists all objects for the
// target.
variableName =
this->LocalGenerator->CreateMakeVariable(this->Target->GetName(),
"_OBJECTS");
*this->BuildFileStream
<< "# Object files for target " << this->Target->GetName() << "\n"
<< variableName << " =";
std::string object;
const char* lineContinue =
this->Makefile->GetDefinition("CMAKE_MAKE_LINE_CONTINUE");
if(!lineContinue)
{
lineContinue = "\\";
}
for(std::vector<std::string>::const_iterator i = this->Objects.begin();
i != this->Objects.end(); ++i)
{
*this->BuildFileStream << " " << lineContinue << "\n";
*this->BuildFileStream <<
this->LocalGenerator->ConvertToQuotedOutputPath(i->c_str(),
useWatcomQuote);
}
*this->BuildFileStream << "\n";
// Write a make variable assignment that lists all external objects
// for the target.
variableNameExternal =
this->LocalGenerator->CreateMakeVariable(this->Target->GetName(),
"_EXTERNAL_OBJECTS");
*this->BuildFileStream
<< "\n"
<< "# External object files for target "
<< this->Target->GetName() << "\n"
<< variableNameExternal << " =";
for(std::vector<std::string>::const_iterator i =
this->ExternalObjects.begin();
i != this->ExternalObjects.end(); ++i)
{
object = this->Convert(*i,cmLocalGenerator::START_OUTPUT);
*this->BuildFileStream
<< " " << lineContinue << "\n"
<< this->Makefile->GetSafeDefinition("CMAKE_OBJECT_NAME");
*this->BuildFileStream <<
this->LocalGenerator->ConvertToQuotedOutputPath(i->c_str(),
useWatcomQuote);
}
*this->BuildFileStream << "\n" << "\n";
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::WriteObjectsString(std::string& buildObjs)
{
std::vector<std::string> objStrings;
this->WriteObjectsStrings(objStrings);
buildObjs = objStrings[0];
}
//----------------------------------------------------------------------------
class cmMakefileTargetGeneratorObjectStrings
{
public:
cmMakefileTargetGeneratorObjectStrings(std::vector<std::string>& strings,
cmLocalUnixMakefileGenerator3* lg,
std::string::size_type limit):
Strings(strings), LocalGenerator(lg), LengthLimit(limit)
{
this->Space = "";
}
void Feed(std::string const& obj)
{
// Construct the name of the next object.
this->NextObject =
this->LocalGenerator->Convert(obj,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::RESPONSE);
// Roll over to next string if the limit will be exceeded.
if(this->LengthLimit != std::string::npos &&
(this->CurrentString.length() + 1 + this->NextObject.length()
> this->LengthLimit))
{
this->Strings.push_back(this->CurrentString);
this->CurrentString = "";
this->Space = "";
}
// Separate from previous object.
this->CurrentString += this->Space;
this->Space = " ";
// Append this object.
this->CurrentString += this->NextObject;
}
void Done()
{
this->Strings.push_back(this->CurrentString);
}
private:
std::vector<std::string>& Strings;
cmLocalUnixMakefileGenerator3* LocalGenerator;
std::string::size_type LengthLimit;
std::string CurrentString;
std::string NextObject;
const char* Space;
};
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::WriteObjectsStrings(std::vector<std::string>& objStrings,
std::string::size_type limit)
{
cmMakefileTargetGeneratorObjectStrings
helper(objStrings, this->LocalGenerator, limit);
for(std::vector<std::string>::const_iterator i = this->Objects.begin();
i != this->Objects.end(); ++i)
{
helper.Feed(*i);
}
for(std::vector<std::string>::const_iterator i =
this->ExternalObjects.begin();
i != this->ExternalObjects.end(); ++i)
{
helper.Feed(*i);
}
helper.Done();
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::WriteTargetDriverRule(
const std::string& main_output,
bool relink)
{
// Compute the name of the driver target.
std::string dir =
this->LocalGenerator->GetRelativeTargetDirectory(*this->Target);
std::string buildTargetRuleName = dir;
buildTargetRuleName += relink?"/preinstall":"/build";
buildTargetRuleName = this->Convert(buildTargetRuleName,
cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::UNCHANGED);
// Build the list of target outputs to drive.
std::vector<std::string> depends;
depends.push_back(main_output);
const char* comment = 0;
if(relink)
{
// Setup the comment for the preinstall driver.
comment = "Rule to relink during preinstall.";
}
else
{
// Setup the comment for the main build driver.
comment = "Rule to build all files generated by this target.";
// Make sure all custom command outputs in this target are built.
if(this->CustomCommandDriver == OnBuild)
{
this->DriveCustomCommands(depends);
}
// Make sure the extra files are built.
depends.insert(depends.end(),
this->ExtraFiles.begin(), this->ExtraFiles.end());
}
// Write the driver rule.
std::vector<std::string> no_commands;
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, comment,
buildTargetRuleName,
depends, no_commands, true);
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::AppendTargetDepends(std::vector<std::string>& depends)
{
// Static libraries never depend on anything for linking.
if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
{
return;
}
// Loop over all library dependencies.
const char* cfg = this->LocalGenerator->GetConfigName().c_str();
if(cmComputeLinkInformation* cli = this->Target->GetLinkInformation(cfg))
{
std::vector<std::string> const& libDeps = cli->GetDepends();
depends.insert(depends.end(), libDeps.begin(), libDeps.end());
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::AppendObjectDepends(std::vector<std::string>& depends)
{
// Add dependencies on the compiled object files.
std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
std::string objTarget;
for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
obj != this->Objects.end(); ++obj)
{
objTarget = relPath;
objTarget += *obj;
depends.push_back(objTarget);
}
// Add dependencies on the external object files.
depends.insert(depends.end(),
this->ExternalObjects.begin(), this->ExternalObjects.end());
// Add a dependency on the rule file itself.
this->LocalGenerator->AppendRuleDepend(depends,
this->BuildFileNameFull.c_str());
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::AppendLinkDepends(std::vector<std::string>& depends)
{
this->AppendObjectDepends(depends);
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends);
// Add a dependency on the link definitions file, if any.
if(!this->ModuleDefinitionFile.empty())
{
depends.push_back(this->ModuleDefinitionFile);
}
// Add user-specified dependencies.
if(const char* linkDepends =
this->Target->GetProperty("LINK_DEPENDS"))
{
cmSystemTools::ExpandListArgument(linkDepends, depends);
}
}
//----------------------------------------------------------------------------
std::string cmMakefileTargetGenerator::GetLinkRule(
const std::string& linkRuleVar)
{
std::string linkRule = this->Makefile->GetRequiredDefinition(linkRuleVar);
if(this->Target->HasImplibGNUtoMS())
{
std::string ruleVar = "CMAKE_";
ruleVar += this->Target->GetLinkerLanguage(this->ConfigName);
ruleVar += "_GNUtoMS_RULE";
if(const char* rule = this->Makefile->GetDefinition(ruleVar))
{
linkRule += rule;
}
}
return linkRule;
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator
::CloseFileStreams()
{
delete this->BuildFileStream;
delete this->InfoFileStream;
delete this->FlagFileStream;
}
void cmMakefileTargetGenerator::RemoveForbiddenFlags(const char* flagVar,
const std::string& linkLang,
std::string& linkFlags)
{
// check for language flags that are not allowed at link time, and
// remove them, -w on darwin for gcc -w -dynamiclib sends -w to libtool
// which fails, there may be more]
std::string removeFlags = "CMAKE_";
removeFlags += linkLang;
removeFlags += flagVar;
std::string removeflags =
this->Makefile->GetSafeDefinition(removeFlags);
std::vector<std::string> removeList;
cmSystemTools::ExpandListArgument(removeflags, removeList);
for(std::vector<std::string>::iterator i = removeList.begin();
i != removeList.end(); ++i)
{
std::string tmp;
std::string::size_type lastPosition = 0;
for(;;)
{
std::string::size_type position = linkFlags.find(*i, lastPosition);
if(position == std::string::npos)
{
tmp += linkFlags.substr(lastPosition);
break;
}
else
{
std::string::size_type prefixLength = position - lastPosition;
tmp += linkFlags.substr(lastPosition, prefixLength);
lastPosition = position + i->length();
bool validFlagStart = position == 0 ||
isspace(linkFlags[position - 1]);
bool validFlagEnd = lastPosition == linkFlags.size() ||
isspace(linkFlags[lastPosition]);
if(!validFlagStart || !validFlagEnd)
{
tmp += *i;
}
}
}
linkFlags = tmp;
}
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::CreateLinkScript(const char* name,
std::vector<std::string> const& link_commands,
std::vector<std::string>& makefile_commands,
std::vector<std::string>& makefile_depends)
{
// Create the link script file.
std::string linkScriptName = this->TargetBuildDirectoryFull;
linkScriptName += "/";
linkScriptName += name;
cmGeneratedFileStream linkScriptStream(linkScriptName.c_str());
linkScriptStream.SetCopyIfDifferent(true);
for(std::vector<std::string>::const_iterator cmd = link_commands.begin();
cmd != link_commands.end(); ++cmd)
{
// Do not write out empty commands or commands beginning in the
// shell no-op ":".
if(!cmd->empty() && (*cmd)[0] != ':')
{
linkScriptStream << *cmd << "\n";
}
}
// Create the makefile command to invoke the link script.
std::string link_command = "$(CMAKE_COMMAND) -E cmake_link_script ";
link_command += this->Convert(linkScriptName,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
link_command += " --verbose=$(VERBOSE)";
makefile_commands.push_back(link_command);
makefile_depends.push_back(linkScriptName);
}
//----------------------------------------------------------------------------
std::string
cmMakefileTargetGenerator
::CreateResponseFile(const char* name, std::string const& options,
std::vector<std::string>& makefile_depends)
{
// Create the response file.
std::string responseFileNameFull = this->TargetBuildDirectoryFull;
responseFileNameFull += "/";
responseFileNameFull += name;
cmGeneratedFileStream responseStream(responseFileNameFull.c_str());
responseStream.SetCopyIfDifferent(true);
responseStream << options << "\n";
// Add a dependency so the target will rebuild when the set of
// objects changes.
makefile_depends.push_back(responseFileNameFull);
// Construct the name to be used on the command line.
std::string responseFileName = this->TargetBuildDirectory;
responseFileName += "/";
responseFileName += name;
return responseFileName;
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::CreateLinkLibs(std::string& linkLibs, bool relink,
bool useResponseFile,
std::vector<std::string>& makefile_depends,
bool useWatcomQuote)
{
std::string frameworkPath;
std::string linkPath;
this->LocalGenerator
->OutputLinkLibraries(linkLibs, frameworkPath, linkPath,
*this->GeneratorTarget, relink,
useResponseFile,
useWatcomQuote);
linkLibs = frameworkPath + linkPath + linkLibs;
if(useResponseFile && linkLibs.find_first_not_of(" ") != linkLibs.npos)
{
// Lookup the response file reference flag.
std::string responseFlagVar = "CMAKE_";
responseFlagVar += this->Target->GetLinkerLanguage(this->ConfigName);
responseFlagVar += "_RESPONSE_FILE_LINK_FLAG";
const char* responseFlag =
this->Makefile->GetDefinition(responseFlagVar);
if(!responseFlag)
{
responseFlag = "@";
}
// Create this response file.
std::string link_rsp =
this->CreateResponseFile("linklibs.rsp", linkLibs, makefile_depends);
// Reference the response file.
linkLibs = responseFlag;
linkLibs += this->Convert(link_rsp,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
}
}
//----------------------------------------------------------------------------
void
cmMakefileTargetGenerator
::CreateObjectLists(bool useLinkScript, bool useArchiveRules,
bool useResponseFile, std::string& buildObjs,
std::vector<std::string>& makefile_depends,
bool useWatcomQuote)
{
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(variableName, variableNameExternal,
useWatcomQuote);
if(useResponseFile)
{
// MSVC response files cannot exceed 128K.
std::string::size_type const responseFileLimit = 131000;
// Construct the individual object list strings.
std::vector<std::string> object_strings;
this->WriteObjectsStrings(object_strings, responseFileLimit);
// Lookup the response file reference flag.
std::string responseFlagVar = "CMAKE_";
responseFlagVar += this->Target->GetLinkerLanguage(this->ConfigName);
responseFlagVar += "_RESPONSE_FILE_LINK_FLAG";
const char* responseFlag =
this->Makefile->GetDefinition(responseFlagVar);
if(!responseFlag)
{
responseFlag = "@";
}
// Write a response file for each string.
const char* sep = "";
for(unsigned int i = 0; i < object_strings.size(); ++i)
{
// Number the response files.
char rsp[32];
sprintf(rsp, "objects%u.rsp", i+1);
// Create this response file.
std::string objects_rsp =
this->CreateResponseFile(rsp, object_strings[i], makefile_depends);
// Separate from previous response file references.
buildObjs += sep;
sep = " ";
// Reference the response file.
buildObjs += responseFlag;
buildObjs += this->Convert(objects_rsp,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
}
}
else if(useLinkScript)
{
if(!useArchiveRules)
{
this->WriteObjectsString(buildObjs);
}
}
else
{
buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
}
}
//----------------------------------------------------------------------------
void cmMakefileTargetGenerator::AddIncludeFlags(std::string& flags,
const std::string& lang)
{
std::string responseVar = "CMAKE_";
responseVar += lang;
responseVar += "_USE_RESPONSE_FILE_FOR_INCLUDES";
bool useResponseFile = this->Makefile->IsOn(responseVar);
std::vector<std::string> includes;
const std::string& config =
this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE");
this->LocalGenerator->GetIncludeDirectories(includes,
this->GeneratorTarget,
lang, config);
std::string includeFlags =
this->LocalGenerator->GetIncludeFlags(includes, this->GeneratorTarget,
lang, false, useResponseFile,
config);
if(includeFlags.empty())
{
return;
}
if(useResponseFile)
{
std::string name = "includes_";
name += lang;
name += ".rsp";
std::string arg = "@" +
this->CreateResponseFile(name.c_str(), includeFlags,
this->FlagFileDepends[lang]);
this->LocalGenerator->AppendFlags(flags, arg);
}
else
{
this->LocalGenerator->AppendFlags(flags, includeFlags);
}
}