CMake/Source/cmMakefileExecutableTargetG...

354 lines
12 KiB
C++

/*=========================================================================
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 "cmGlobalGenerator.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmTarget.h"
//----------------------------------------------------------------------------
void cmMakefileExecutableTargetGenerator::WriteRuleFiles()
{
// create the build.make file and directory, put in the common blocks
this->CreateRuleFile();
// Add in any rules for custom commands
this->WriteCustomCommandsForTarget();
// write in rules for object files
this->WriteCommonCodeRules();
// Write the dependency generation rule.
this->WriteTargetDependRules();
// 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();
// 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;
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;
this->Target->GetExecutableNames(targetName, targetNameReal,
this->LocalGenerator->m_ConfigurationName.c_str());
// Construct the full path version of the names.
std::string outpath = this->LocalGenerator->m_ExecutableOutputPath;
if(outpath.length() == 0)
{
outpath = this->Makefile->GetStartOutputDirectory();
outpath += "/";
}
#ifdef __APPLE__
if(this->Target->GetPropertyAsBool("MACOSX_BUNDLE"))
{
// Make bundle directories
outpath += this->Target->GetName();
outpath += ".app/Contents/MacOS/";
std::string f1 =
this->Makefile->GetModulesFile("MacOSXBundleInfo.plist.in");
if ( f1.size() == 0 )
{
cmSystemTools::Error("could not find Mac OSX bundle template file.");
}
std::string macdir =
this->Makefile->GetSafeDefinition("EXECUTABLE_OUTPUT_PATH");
if ( macdir.size() == 0 )
{
macdir = this->Makefile->GetCurrentOutputDirectory();
}
if(macdir.size() && macdir[macdir.size()-1] != '/')
{
macdir += "/";
}
macdir += this->Target->GetName();
macdir += ".app/Contents/";
std::string f2 = macdir + "Info.plist";
macdir += "MacOS";
cmSystemTools::MakeDirectory(macdir.c_str());
this->Makefile->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME", this->Target->GetName());
this->Makefile->ConfigureFile(f1.c_str(), f2.c_str(),
false, false, false);
}
#endif
if(relink)
{
outpath = this->Makefile->GetStartOutputDirectory();
outpath += "/CMakeFiles/CMakeRelink.dir";
cmSystemTools::MakeDirectory(outpath.c_str());
outpath += "/";
}
std::string targetFullPath = outpath + targetName;
std::string targetFullPathReal = outpath + targetNameReal;
// Convert to the output path to use in constructing commands.
std::string targetOutPath =
this->Convert(targetFullPath.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::MAKEFILE);
std::string targetOutPathReal =
this->Convert(targetFullPathReal.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::MAKEFILE);
// 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());
// 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");
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 language-specific flags.
this->LocalGenerator->AddLanguageFlags(flags, linkLanguage);
// Add target-specific linker flags.
this->LocalGenerator->AppendFlags(linkFlags, this->Target->GetProperty("LINK_FLAGS"));
// 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;
this->Target->GetExecutableCleanNames(cleanName, cleanRealName,
this->LocalGenerator->m_ConfigurationName.c_str());
std::string cleanFullName = outpath + cleanName;
std::string cleanFullRealName = outpath + cleanRealName;
exeCleanFiles.push_back(this->Convert(cleanFullName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::MAKEFILE));
if(cleanRealName != cleanName)
{
exeCleanFiles.push_back(this->Convert(cleanFullRealName.c_str(),
cmLocalGenerator::START_OUTPUT,
cmLocalGenerator::MAKEFILE));
}
}
// Add a command to remove any existing files for this executable.
std::vector<std::string> commands1;
this->LocalGenerator->AppendCleanCommand(commands1, exeCleanFiles);
this->LocalGenerator->CreateCDCommand(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
commands.insert(commands.end(), commands1.begin(), commands1.end());
commands1.clear();
// 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());
}
// Construct the main link rule.
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_LINK_EXECUTABLE";
std::string linkRule =
this->Makefile->GetRequiredDefinition(linkRuleVar.c_str());
cmSystemTools::ExpandListArgument(linkRule, commands1);
this->LocalGenerator->CreateCDCommand
(commands1,
this->Makefile->GetStartOutputDirectory(),
this->Makefile->GetHomeOutputDirectory());
commands.insert(commands.end(), commands1.begin(), commands1.end());
// Add a rule to create necessary symlinks for the library.
if(targetOutPath != targetOutPathReal)
{
std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_executable ";
symlink += targetOutPathReal;
symlink += " ";
symlink += targetOutPath;
commands.push_back(symlink);
}
// Add the post-build rules when building but not when relinking.
if(!relink)
{
this->LocalGenerator->
AppendCustomCommands(commands, this->Target->GetPostBuildCommands());
}
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
this->LocalGenerator->OutputLinkLibraries(linklibs, *this->Target, relink);
// Construct object file lists that may be needed to expand the
// rule.
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(variableName, variableNameExternal);
std::string buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
std::string cleanObjs = "$(";
cleanObjs += variableName;
cleanObjs += ")";
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->LocalGenerator->ExpandRuleVariables(*i,
linkLanguage,
buildObjs.c_str(),
targetOutPathReal.c_str(),
linklibs.str().c_str(),
0,
0,
flags.c_str(),
0,
0,
linkFlags.c_str());
}
// 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 convenience targets.
std::string dir = this->Makefile->GetStartOutputDirectory();
dir += "/";
dir += this->LocalGenerator->GetTargetDirectory(*this->Target);
std::string buildTargetRuleName = dir;
buildTargetRuleName += relink?"/preinstall":"/build";
buildTargetRuleName =
this->Convert(buildTargetRuleName.c_str(),
cmLocalGenerator::HOME_OUTPUT,
cmLocalGenerator::MAKEFILE);
this->LocalGenerator->WriteConvenienceRule(*this->BuildFileStream,
targetFullPath.c_str(),
buildTargetRuleName.c_str());
// Clean all the possible executable names and symlinks and object files.
this->CleanFiles.insert(this->CleanFiles.end(),
exeCleanFiles.begin(),
exeCleanFiles.end());
this->CleanFiles.push_back(cleanObjs);
}