CMake/Source/cmMakefileExecutableTargetG...

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmMakefileExecutableTargetGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
#include "cmake.h"
//----------------------------------------------------------------------------
cmMakefileExecutableTargetGenerator
::cmMakefileExecutableTargetGenerator(cmGeneratorTarget* target):
cmMakefileTargetGenerator(target->Target)
{
this->CustomCommandDriver = OnDepends;
this->Target->GetExecutableNames(
this->TargetNameOut, this->TargetNameReal, this->TargetNameImport,
this->TargetNamePDB, this->ConfigName);
this->OSXBundleGenerator = new cmOSXBundleGenerator(target,
this->ConfigName);
this->OSXBundleGenerator->SetMacContentFolders(&this->MacContentFolders);
}
//----------------------------------------------------------------------------
cmMakefileExecutableTargetGenerator
::~cmMakefileExecutableTargetGenerator()
{
delete this->OSXBundleGenerator;
}
//----------------------------------------------------------------------------
void cmMakefileExecutableTargetGenerator::WriteRuleFiles()
{
// create the build.make file and directory, put in the common blocks
this->CreateRuleFile();
// write rules used to help build object files
this->WriteCommonCodeRules();
// write the per-target per-language flags
this->WriteTargetLanguageFlags();
// write in rules for object files and custom commands
this->WriteTargetBuildRules();
// write the link rules
this->WriteExecutableRule(false);
if(this->Target->NeedRelinkBeforeInstall(this->ConfigName))
{
// Write rules to link an installable version of the target.
this->WriteExecutableRule(true);
}
// Write the requires target.
this->WriteTargetRequiresRules();
// Write clean target
this->WriteTargetCleanRules();
// Write the dependency generation rule. This must be done last so
// that multiple output pair information is available.
this->WriteTargetDependRules();
// close the streams
this->CloseFileStreams();
}
//----------------------------------------------------------------------------
void cmMakefileExecutableTargetGenerator::WriteExecutableRule(bool relink)
{
std::vector<std::string> commands;
// Build list of dependencies.
std::vector<std::string> depends;
this->AppendLinkDepends(depends);
// Get the name of the executable to generate.
std::string targetName;
std::string targetNameReal;
std::string targetNameImport;
std::string targetNamePDB;
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this->Target->GetExecutableNames
(targetName, targetNameReal, targetNameImport, targetNamePDB,
this->ConfigName);
// Construct the full path version of the names.
std::string outpath = this->Target->GetDirectory(this->ConfigName);
if(this->Target->IsAppBundleOnApple())
{
this->OSXBundleGenerator->CreateAppBundle(targetName, outpath);
}
outpath += "/";
std::string outpathImp;
if(relink)
{
outpath = this->Makefile->GetStartOutputDirectory();
outpath += cmake::GetCMakeFilesDirectory();
outpath += "/CMakeRelink.dir";
cmSystemTools::MakeDirectory(outpath.c_str());
outpath += "/";
if(!targetNameImport.empty())
{
outpathImp = outpath;
}
}
else
{
cmSystemTools::MakeDirectory(outpath.c_str());
if(!targetNameImport.empty())
{
outpathImp = this->Target->GetDirectory(this->ConfigName, true);
cmSystemTools::MakeDirectory(outpathImp.c_str());
outpathImp += "/";
}
}
std::string compilePdbOutputPath =
this->Target->GetCompilePDBDirectory(this->ConfigName);
cmSystemTools::MakeDirectory(compilePdbOutputPath.c_str());
std::string pdbOutputPath = this->Target->GetPDBDirectory(this->ConfigName);
cmSystemTools::MakeDirectory(pdbOutputPath.c_str());
pdbOutputPath += "/";
std::string targetFullPath = outpath + targetName;
std::string targetFullPathReal = outpath + targetNameReal;
std::string targetFullPathPDB = pdbOutputPath + targetNamePDB;
std::string targetFullPathImport = outpathImp + targetNameImport;
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std::string targetOutPathPDB =
this->Convert(targetFullPathPDB,
cmLocalGenerator::NONE,
cmLocalGenerator::SHELL);
// Convert to the output path to use in constructing commands.
std::string targetOutPath =
this->Convert(targetFullPath,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathReal =
this->Convert(targetFullPathReal,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathImport =
this->Convert(targetFullPathImport,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
// Get the language to use for linking this executable.
std::string linkLanguage =
this->Target->GetLinkerLanguage(this->ConfigName);
// Make sure we have a link language.
if(linkLanguage.empty())
{
cmSystemTools::Error("Cannot determine link language for target \"",
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this->Target->GetName().c_str(), "\".");
return;
}
if(!this->NoRuleMessages)
{
// Add the link message.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
buildEcho += " executable ";
buildEcho += targetOutPath;
this->LocalGenerator->AppendEcho(commands, buildEcho.c_str(),
cmLocalUnixMakefileGenerator3::EchoLink);
}
// Build a list of compiler flags and linker flags.
std::string flags;
std::string linkFlags;
// Add flags to create an executable.
this->LocalGenerator->
AddConfigVariableFlags(linkFlags, "CMAKE_EXE_LINKER_FLAGS",
this->ConfigName);
if(this->Target->GetPropertyAsBool("WIN32_EXECUTABLE"))
{
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this->LocalGenerator->AppendFlags
(linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_WIN32_EXE"));
}
else
{
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this->LocalGenerator->AppendFlags
(linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_CONSOLE_EXE"));
}
// Add symbol export flags if necessary.
if(this->Target->IsExecutableWithExports())
{
std::string export_flag_var = "CMAKE_EXE_EXPORTS_";
export_flag_var += linkLanguage;
export_flag_var += "_FLAG";
this->LocalGenerator->AppendFlags
(linkFlags, this->Makefile->GetDefinition(export_flag_var));
}
// Add language feature flags.
this->AddFeatureFlags(flags, linkLanguage);
this->LocalGenerator->AddArchitectureFlags(flags, this->GeneratorTarget,
linkLanguage, this->ConfigName);
// Add target-specific linker flags.
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this->LocalGenerator->AppendFlags
(linkFlags, this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig += cmSystemTools::UpperCase(this->ConfigName);
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this->LocalGenerator->AppendFlags
(linkFlags, this->Target->GetProperty(linkFlagsConfig));
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this->AddModuleDefinitionFlag(linkFlags);
// Construct a list of files associated with this executable that
// may need to be cleaned.
std::vector<std::string> exeCleanFiles;
exeCleanFiles.push_back(this->Convert(targetFullPath,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
#ifdef _WIN32
// There may be a manifest file for this target. Add it to the
// clean set just in case.
exeCleanFiles.push_back(this->Convert((targetFullPath+".manifest").c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
#endif
if(targetNameReal != targetName)
{
exeCleanFiles.push_back(this->Convert(targetFullPathReal,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(!targetNameImport.empty())
{
exeCleanFiles.push_back(this->Convert(targetFullPathImport,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
std::string implib;
if(this->Target->GetImplibGNUtoMS(targetFullPathImport, implib))
{
exeCleanFiles.push_back(this->Convert(implib,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
}
// List the PDB for cleaning only when the whole target is
// cleaned. We do not want to delete the .pdb file just before
// linking the target.
this->CleanFiles.push_back
(this->Convert(targetFullPathPDB,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
// Add the pre-build and pre-link rules building but not when relinking.
if(!relink)
{
this->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreBuildCommands(),
this->Target);
this->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreLinkCommands(),
this->Target);
}
// Determine whether a link script will be used.
bool useLinkScript = this->GlobalGenerator->GetUseLinkScript();
// Construct the main link rule.
std::vector<std::string> real_link_commands;
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_LINK_EXECUTABLE";
std::string linkRule = this->GetLinkRule(linkRuleVar);
std::vector<std::string> commands1;
cmSystemTools::ExpandListArgument(linkRule, real_link_commands);
if(this->Target->IsExecutableWithExports())
{
// If a separate rule for creating an import library is specified
// add it now.
std::string implibRuleVar = "CMAKE_";
implibRuleVar += linkLanguage;
implibRuleVar += "_CREATE_IMPORT_LIBRARY";
if(const char* rule =
this->Makefile->GetDefinition(implibRuleVar))
{
cmSystemTools::ExpandListArgument(rule, real_link_commands);
}
}
// Select whether to use a response file for objects.
bool useResponseFileForObjects = false;
{
std::string responseVar = "CMAKE_";
responseVar += linkLanguage;
responseVar += "_USE_RESPONSE_FILE_FOR_OBJECTS";
if(this->Makefile->IsOn(responseVar))
{
useResponseFileForObjects = true;
}
}
// Select whether to use a response file for libraries.
bool useResponseFileForLibs = false;
{
std::string responseVar = "CMAKE_";
responseVar += linkLanguage;
responseVar += "_USE_RESPONSE_FILE_FOR_LIBRARIES";
if(this->Makefile->IsOn(responseVar))
{
useResponseFileForLibs = true;
}
}
// Expand the rule variables.
{
bool useWatcomQuote = this->Makefile->IsOn(linkRuleVar+"_USE_WATCOM_QUOTE");
// Set path conversion for link script shells.
this->LocalGenerator->SetLinkScriptShell(useLinkScript);
// Collect up flags to link in needed libraries.
std::string linkLibs;
this->CreateLinkLibs(linkLibs, relink, useResponseFileForLibs, depends,
useWatcomQuote);
// Construct object file lists that may be needed to expand the
// rule.
std::string buildObjs;
this->CreateObjectLists(useLinkScript, false,
useResponseFileForObjects, buildObjs, depends,
useWatcomQuote);
cmLocalGenerator::RuleVariables vars;
vars.RuleLauncher = "RULE_LAUNCH_LINK";
vars.CMTarget = this->Target;
vars.Language = linkLanguage.c_str();
vars.Objects = buildObjs.c_str();
std::string objectDir = this->Target->GetSupportDirectory();
objectDir = this->Convert(objectDir,
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
vars.ObjectDir = objectDir.c_str();
cmLocalGenerator::OutputFormat output = (useWatcomQuote) ?
cmLocalGenerator::WATCOMQUOTE : cmLocalGenerator::SHELL;
std::string target = this->Convert(targetFullPathReal,
cmLocalGenerator::START_OUTPUT,
output);
vars.Target = target.c_str();
vars.TargetPDB = targetOutPathPDB.c_str();
// Setup the target version.
std::string targetVersionMajor;
std::string targetVersionMinor;
{
std::ostringstream majorStream;
std::ostringstream minorStream;
int major;
int minor;
this->Target->GetTargetVersion(major, minor);
majorStream << major;
minorStream << minor;
targetVersionMajor = majorStream.str();
targetVersionMinor = minorStream.str();
}
vars.TargetVersionMajor = targetVersionMajor.c_str();
vars.TargetVersionMinor = targetVersionMinor.c_str();
vars.LinkLibraries = linkLibs.c_str();
vars.Flags = flags.c_str();
vars.LinkFlags = linkFlags.c_str();
// Expand placeholders in the commands.
this->LocalGenerator->TargetImplib = targetOutPathImport;
for(std::vector<std::string>::iterator i = real_link_commands.begin();
i != real_link_commands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i, vars);
}
this->LocalGenerator->TargetImplib = "";
// Restore path conversion to normal shells.
this->LocalGenerator->SetLinkScriptShell(false);
}
// Optionally convert the build rule to use a script to avoid long
// command lines in the make shell.
if(useLinkScript)
{
// Use a link script.
const char* name = (relink? "relink.txt" : "link.txt");
this->CreateLinkScript(name, real_link_commands, commands1, depends);
}
else
{
// No link script. Just use the link rule directly.
commands1 = real_link_commands;
}
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
// Add a rule to create necessary symlinks for the library.
if(targetOutPath != targetOutPathReal)
{
std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_executable ";
symlink += targetOutPathReal;
symlink += " ";
symlink += targetOutPath;
commands1.push_back(symlink);
this->LocalGenerator->CreateCDCommand(commands1,
this->Makefile->GetStartOutputDirectory(),
cmLocalGenerator::HOME_OUTPUT);
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
}
// Add the post-build rules when building but not when relinking.
if(!relink)
{
this->LocalGenerator->
AppendCustomCommands(commands, this->Target->GetPostBuildCommands(),
this->Target);
}
// Write the build rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream,
0,
targetFullPathReal,
depends, commands, false);
// The symlink name for the target should depend on the real target
// so if the target version changes it rebuilds and recreates the
// symlink.
if(targetFullPath != targetFullPathReal)
{
depends.clear();
commands.clear();
depends.push_back(targetFullPathReal);
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
targetFullPath,
depends, commands, false);
}
// Write the main driver rule to build everything in this target.
this->WriteTargetDriverRule(targetFullPath, relink);
// Clean all the possible executable names and symlinks.
this->CleanFiles.insert(this->CleanFiles.end(),
exeCleanFiles.begin(),
exeCleanFiles.end());
}