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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices 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()
{
this->CustomCommandDriver = OnDepends;
}
//----------------------------------------------------------------------------
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 in rules for object files and custom commands
this->WriteTargetBuildRules();
// write the per-target per-language flags
this->WriteTargetLanguageFlags();
// write the link rules
this->WriteExecutableRule(false);
if(this->Target->NeedRelinkBeforeInstall())
{
// 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;
std::string relPath = this->LocalGenerator->GetHomeRelativeOutputPath();
std::string objTarget;
// Build list of dependencies.
std::vector<std::string> depends;
for(std::vector<std::string>::const_iterator obj = this->Objects.begin();
obj != this->Objects.end(); ++obj)
{
objTarget = relPath;
// Handle extra content on Mac bundles
if ( this->ExtraContent.find(*obj) != this->ExtraContent.end() )
{
objTarget = "";
}
objTarget += *obj;
depends.push_back(objTarget);
}
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends);
// Add a dependency on the rule file itself.
this->LocalGenerator->AppendRuleDepend(depends,
this->BuildFileNameFull.c_str());
for(std::vector<std::string>::const_iterator obj =
this->ExternalObjects.begin();
obj != this->ExternalObjects.end(); ++obj)
{
depends.push_back(*obj);
}
// from here up is the same for exe or lib
// Get the name of the executable to generate.
std::string targetName;
std::string targetNameReal;
std::string targetNameImport;
std::string targetNamePDB;
this->Target->GetExecutableNames
(targetName, targetNameReal, targetNameImport, targetNamePDB,
this->LocalGenerator->ConfigurationName.c_str());
// Construct the full path version of the names.
std::string outpath = this->Target->GetDirectory();
outpath += "/";
#ifdef __APPLE__
if(this->Target->GetPropertyAsBool("MACOSX_BUNDLE"))
{
// Compute bundle directory names.
std::string macdir = outpath;
macdir += targetName;
macdir += ".app/Contents/";
outpath = macdir;
outpath += "MacOS";
cmSystemTools::MakeDirectory(outpath.c_str());
outpath += "/";
// Make bundle directories
std::string f1 =
this->Makefile->GetModulesFile("MacOSXBundleInfo.plist.in");
if ( f1.size() == 0 )
{
cmSystemTools::Error("could not find Mac OSX bundle template file.");
}
std::vector<cmSourceFile*>::const_iterator sourceIt;
for ( sourceIt = this->Target->GetSourceFiles().begin();
sourceIt != this->Target->GetSourceFiles().end();
++ sourceIt )
{
const char* subDir =
(*sourceIt)->GetProperty("MACOSX_PACKAGE_LOCATION");
if ( subDir )
{
std::string newDir = macdir;
newDir += subDir;
if ( !cmSystemTools::MakeDirectory(newDir.c_str()) )
{
cmSystemTools::Error("Cannot create a subdirectory for \"",
newDir.c_str(), "\".");
return;
}
}
}
// Configure the Info.plist file. Note that it needs the executable name
// to be set.
std::string f2 = macdir + "Info.plist";
this->Makefile->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME",
targetName.c_str());
this->Makefile->ConfigureFile(f1.c_str(), f2.c_str(),
false, false, false);
}
#endif
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
{
if(!targetNameImport.empty())
{
outpathImp = this->Target->GetDirectory(0, true);
outpathImp += "/";
}
}
std::string targetFullPath = outpath + targetName;
std::string targetFullPathReal = outpath + targetNameReal;
std::string targetFullPathPDB = outpath + targetNamePDB;
std::string targetFullPathImport = outpathImp + targetNameImport;
std::string targetOutPathPDB =
this->Convert(targetFullPathPDB.c_str(),
cmLocalGenerator::FULL,
cmLocalGenerator::SHELL);
// Convert to the output path to use in constructing commands.
std::string targetOutPath =
this->Convert(targetFullPath.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathReal =
this->Convert(targetFullPathReal.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
std::string targetOutPathImport =
this->Convert(targetFullPathImport.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::SHELL);
// Get the language to use for linking this executable.
const char* linkLanguage =
this->Target->GetLinkerLanguage(this->GlobalGenerator);
// Make sure we have a link language.
if(!linkLanguage)
{
cmSystemTools::Error("Cannot determine link language for target \"",
this->Target->GetName(), "\".");
return;
}
// 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 deal with shared libraries. Any library being
// linked in might be shared, so always use shared flags for an
// executable.
this->LocalGenerator->AddSharedFlags(linkFlags, linkLanguage, true);
// Add flags to create an executable.
this->LocalGenerator->
AddConfigVariableFlags(linkFlags, "CMAKE_EXE_LINKER_FLAGS",
this->LocalGenerator->ConfigurationName.c_str());
if(this->Target->GetPropertyAsBool("WIN32_EXECUTABLE"))
{
this->LocalGenerator->AppendFlags
(linkFlags, this->Makefile->GetDefinition("CMAKE_CREATE_WIN32_EXE"));
}
else
{
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.c_str()));
}
// Add language-specific flags.
this->LocalGenerator
->AddLanguageFlags(flags, linkLanguage,
this->LocalGenerator->ConfigurationName.c_str());
// Add target-specific linker flags.
this->LocalGenerator->AppendFlags
(linkFlags, this->Target->GetProperty("LINK_FLAGS"));
std::string linkFlagsConfig = "LINK_FLAGS_";
linkFlagsConfig +=
cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName.c_str());
this->LocalGenerator->AppendFlags
(linkFlags, this->Target->GetProperty(linkFlagsConfig.c_str()));
// Construct a list of files associated with this executable that
// may need to be cleaned.
std::vector<std::string> exeCleanFiles;
{
std::string cleanName;
std::string cleanRealName;
std::string cleanImportName;
std::string cleanPDBName;
this->Target->GetExecutableCleanNames
(cleanName, cleanRealName, cleanImportName, cleanPDBName,
this->LocalGenerator->ConfigurationName.c_str());
std::string cleanFullName = outpath + cleanName;
std::string cleanFullRealName = outpath + cleanRealName;
std::string cleanFullPDBName = outpath + cleanPDBName;
std::string cleanFullImportName = outpathImp + cleanImportName;
exeCleanFiles.push_back(this->Convert(cleanFullName.c_str(),
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((cleanFullName+".manifest").c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
#endif
if(cleanRealName != cleanName)
{
exeCleanFiles.push_back(this->Convert(cleanFullRealName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::UNCHANGED));
}
if(!cleanImportName.empty())
{
exeCleanFiles.push_back(this->Convert(cleanFullImportName.c_str(),
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(cleanFullPDBName.c_str(),
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->LocalGenerator
->AppendCustomCommands(commands, this->Target->GetPreLinkCommands());
}
// 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->Makefile->GetRequiredDefinition(linkRuleVar.c_str());
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.c_str()))
{
cmSystemTools::ExpandListArgument(rule, real_link_commands);
}
}
// Expand the rule variables.
{
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
this->LocalGenerator->OutputLinkLibraries(linklibs, *this->Target, relink);
// Construct object file lists that may be needed to expand the
// rule.
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(variableName, variableNameExternal);
std::string buildObjs;
if(useLinkScript)
{
this->WriteObjectsString(buildObjs);
}
else
{
buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
}
std::string cleanObjs = "$(";
cleanObjs += variableName;
cleanObjs += ")";
cmLocalGenerator::RuleVariables vars;
vars.Language = linkLanguage;
vars.Objects = buildObjs.c_str();
vars.Target = targetOutPathReal.c_str();
vars.TargetPDB = targetOutPathPDB.c_str();
// Setup the target version.
std::string targetVersionMajor;
std::string targetVersionMinor;
{
cmOStringStream majorStream;
cmOStringStream 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();
std::string linkString = linklibs.str();
vars.LinkLibraries = linkString.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 = "";
}
// 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);
}
else
{
// No link script. Just use the link rule directly.
commands1 = real_link_commands;
}
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
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(),
this->Makefile->GetHomeOutputDirectory());
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());
}
// Write the build rule.
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream,
0,
targetFullPathReal.c_str(),
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.c_str());
this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
targetFullPath.c_str(),
depends, commands, false);
}
// Write the main driver rule to build everything in this target.
this->WriteTargetDriverRule(targetFullPath.c_str(), relink);
// Clean all the possible executable names and symlinks.
this->CleanFiles.insert(this->CleanFiles.end(),
exeCleanFiles.begin(),
exeCleanFiles.end());
}
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