CMake/Source/cmGlobalGenerator.cxx

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2002-08-31 00:00:35 +04:00
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
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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.
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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 "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmake.h"
#include "cmMakefile.h"
#include <stdlib.h> // required for atof
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#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#endif
#include <assert.h>
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int cmGlobalGenerator::s_TryCompileTimeout = 0;
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cmGlobalGenerator::cmGlobalGenerator()
{
// By default the .SYMBOLIC dependency is not needed on symbolic rules.
this->NeedSymbolicMark = false;
// by default use the native paths
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this->ForceUnixPaths = false;
// By default do not try to support color.
this->ToolSupportsColor = false;
// By default do not use link scripts.
this->UseLinkScript = false;
// Relative paths are not configured in the constructor.
this->RelativePathsConfigured = false;
// Whether an install target is needed.
this->InstallTargetEnabled = false;
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}
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cmGlobalGenerator::~cmGlobalGenerator()
{
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// Delete any existing cmLocalGenerators
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unsigned int i;
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for (i = 0; i < this->LocalGenerators.size(); ++i)
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{
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delete this->LocalGenerators[i];
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}
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this->LocalGenerators.clear();
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}
// Find the make program for the generator, required for try compiles
void cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
{
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if(this->FindMakeProgramFile.size() == 0)
{
cmSystemTools::Error(
"Generator implementation error, "
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"all generators must specify this->FindMakeProgramFile");
}
if(!mf->GetDefinition("CMAKE_MAKE_PROGRAM")
|| cmSystemTools::IsOff(mf->GetDefinition("CMAKE_MAKE_PROGRAM")))
{
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std::string setMakeProgram =
mf->GetModulesFile(this->FindMakeProgramFile.c_str());
if(setMakeProgram.size())
{
mf->ReadListFile(0, setMakeProgram.c_str());
}
}
if(!mf->GetDefinition("CMAKE_MAKE_PROGRAM")
|| cmSystemTools::IsOff(mf->GetDefinition("CMAKE_MAKE_PROGRAM")))
{
cmOStringStream err;
err << "CMake was unable to find a build program corresponding to \""
<< this->GetName() << "\". CMAKE_MAKE_PROGRAM is not set. You "
<< "probably need to select a different build tool.";
cmSystemTools::Error(err.str().c_str());
cmSystemTools::SetFatalErrorOccured();
return;
}
std::string makeProgram = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM");
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// if there are spaces in the make program use short path
// but do not short path the actual program name, as
// this can cause trouble with VSExpress
if(makeProgram.find(' ') != makeProgram.npos)
{
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std::string dir;
std::string file;
cmSystemTools::SplitProgramPath(makeProgram.c_str(),
dir, file);
std::string saveFile = file;
cmSystemTools::GetShortPath(makeProgram.c_str(), makeProgram);
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cmSystemTools::SplitProgramPath(makeProgram.c_str(),
dir, file);
makeProgram = dir;
makeProgram += "/";
makeProgram += saveFile;
mf->AddCacheDefinition("CMAKE_MAKE_PROGRAM", makeProgram.c_str(),
"make program",
cmCacheManager::FILEPATH);
}
if(makeProgram.find("xcodebuild") != makeProgram.npos)
{
// due to the text file busy /bin/sh problem with xcodebuild
// use the cmakexbuild wrapper instead. This program
// will run xcodebuild and if it sees the error text file busy
// it will stop forwarding output, and let the build finish.
// Then it will retry the build. It will continue this
// untill no text file busy errors occur.
std::string cmakexbuild =
this->CMakeInstance->GetCacheManager()->GetCacheValue("CMAKE_COMMAND");
cmakexbuild = cmakexbuild.substr(0, cmakexbuild.length()-5);
cmakexbuild += "cmakexbuild";
mf->AddCacheDefinition("CMAKE_MAKE_PROGRAM",
cmakexbuild.c_str(),
"make program",
cmCacheManager::FILEPATH);
}
}
// enable the given language
//
// The following files are loaded in this order:
//
// First figure out what OS we are running on:
//
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// CMakeSystem.cmake - configured file created by CMakeDetermineSystem.cmake
// CMakeDetermineSystem.cmake - figure out os info and create
// CMakeSystem.cmake IFF CMAKE_SYSTEM_NAME
// not set
// CMakeSystem.cmake - configured file created by
// CMakeDetermineSystem.cmake IFF CMAKE_SYSTEM_LOADED
// Next try and enable all languages found in the languages vector
//
// FOREACH LANG in languages
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// CMake(LANG)Compiler.cmake - configured file create by
// CMakeDetermine(LANG)Compiler.cmake
// CMakeDetermine(LANG)Compiler.cmake - Finds compiler for LANG and
// creates CMake(LANG)Compiler.cmake
// CMake(LANG)Compiler.cmake - configured file created by
// CMakeDetermine(LANG)Compiler.cmake
//
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// CMakeSystemSpecificInformation.cmake
// - includes Platform/${CMAKE_SYSTEM_NAME}.cmake
// may use compiler stuff
// FOREACH LANG in languages
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// CMake(LANG)Information.cmake
// - loads Platform/${CMAKE_SYSTEM_NAME}-${COMPILER}.cmake
// CMakeTest(LANG)Compiler.cmake
// - Make sure the compiler works with a try compile if
// CMakeDetermine(LANG) was loaded
//
// Now load a few files that can override values set in any of the above
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// CMake(PROJECTNAME)Compatibility.cmake
// - load any backwards compatibility stuff for current project
// ${CMAKE_USER_MAKE_RULES_OVERRIDE}
// - allow users a chance to override system variables
//
//
void
cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
cmMakefile *mf)
{
if(languages.size() == 0)
{
cmSystemTools::Error("EnableLanguage must have a lang specified!");
cmSystemTools::SetFatalErrorOccured();
return;
}
mf->AddDefinition("RUN_CONFIGURE", true);
std::string rootBin = mf->GetHomeOutputDirectory();
rootBin += cmake::GetCMakeFilesDirectory();
// If the configuration files path has been set,
// then we are in a try compile and need to copy the enable language
// files from the parent cmake bin dir, into the try compile bin dir
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if(this->ConfiguredFilesPath.size())
{
for(std::vector<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
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if(*l == "NONE")
{
this->SetLanguageEnabled("NONE", mf);
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break;
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}
}
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rootBin = this->ConfiguredFilesPath;
}
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// set the dir for parent files so they can be used by modules
mf->AddDefinition("CMAKE_PLATFORM_ROOT_BIN",rootBin.c_str());
// find and make sure CMAKE_MAKE_PROGRAM is defined
this->FindMakeProgram(mf);
// try and load the CMakeSystem.cmake if it is there
std::string fpath = rootBin;
if(!mf->GetDefinition("CMAKE_SYSTEM_LOADED"))
{
fpath += "/CMakeSystem.cmake";
if(cmSystemTools::FileExists(fpath.c_str()))
{
mf->ReadListFile(0,fpath.c_str());
}
}
// Load the CMakeDetermineSystem.cmake file and find out
// what platform we are running on
if (!mf->GetDefinition("CMAKE_SYSTEM_NAME"))
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{
#if defined(_WIN32) && !defined(__CYGWIN__)
/* Windows version number data. */
OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx (&osvi);
cmOStringStream windowsVersionString;
windowsVersionString << osvi.dwMajorVersion << "." << osvi.dwMinorVersion;
windowsVersionString.str();
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mf->AddDefinition("CMAKE_SYSTEM_VERSION",
windowsVersionString.str().c_str());
#endif
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// Read the DetermineSystem file
std::string systemFile = mf->GetModulesFile("CMakeDetermineSystem.cmake");
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mf->ReadListFile(0, systemFile.c_str());
// load the CMakeSystem.cmake from the binary directory
// this file is configured by the CMakeDetermineSystem.cmake file
fpath = rootBin;
fpath += "/CMakeSystem.cmake";
mf->ReadListFile(0,fpath.c_str());
}
std::map<cmStdString, bool> needTestLanguage;
// foreach language
// load the CMakeDetermine(LANG)Compiler.cmake file to find
// the compiler
for(std::vector<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
const char* lang = l->c_str();
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if(*l == "NONE")
{
this->SetLanguageEnabled("NONE", mf);
continue;
}
bool determineLanguageCalled = false;
std::string loadedLang = "CMAKE_";
loadedLang += lang;
loadedLang += "_COMPILER_LOADED";
// If the existing build tree was already configured with this
// version of CMake then try to load the configured file first
// to avoid duplicate compiler tests.
unsigned int cacheMajor = mf->GetCacheMajorVersion();
unsigned int cacheMinor = mf->GetCacheMinorVersion();
unsigned int selfMajor = cmMakefile::GetMajorVersion();
unsigned int selfMinor = cmMakefile::GetMinorVersion();
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if((this->CMakeInstance->GetIsInTryCompile() ||
(selfMajor == cacheMajor && selfMinor == cacheMinor))
&& !mf->GetDefinition(loadedLang.c_str()))
{
fpath = rootBin;
fpath += "/CMake";
fpath += lang;
fpath += "Compiler.cmake";
if(cmSystemTools::FileExists(fpath.c_str()))
{
if(!mf->ReadListFile(0,fpath.c_str()))
{
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cmSystemTools::Error("Could not find cmake module file:",
fpath.c_str());
}
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// if this file was found then the language was already determined
// to be working
needTestLanguage[lang] = false;
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this->SetLanguageEnabled(lang, mf);
// this can only be called after loading CMake(LANG)Compiler.cmake
}
}
if(!this->GetLanguageEnabled(lang) )
{
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if (this->CMakeInstance->GetIsInTryCompile())
{
cmSystemTools::Error("This should not have happen. "
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"If you see this message, you are probably "
"using a broken CMakeLists.txt file or a "
"problematic release of CMake");
}
// if the CMake(LANG)Compiler.cmake file was not found then
// load CMakeDetermine(LANG)Compiler.cmake
std::string determineCompiler = "CMakeDetermine";
determineCompiler += lang;
determineCompiler += "Compiler.cmake";
std::string determineFile =
mf->GetModulesFile(determineCompiler.c_str());
if(!mf->ReadListFile(0,determineFile.c_str()))
{
cmSystemTools::Error("Could not find cmake module file:",
determineFile.c_str());
}
needTestLanguage[lang] = true;
determineLanguageCalled = true;
// Some generators like visual studio should not use the env variables
// So the global generator can specify that in this variable
if(!mf->GetDefinition("CMAKE_GENERATOR_NO_COMPILER_ENV"))
{
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// put ${CMake_(LANG)_COMPILER_ENV_VAR}=${CMAKE_(LANG)_COMPILER
// into the environment, in case user scripts want to run
// configure, or sub cmakes
std::string compilerName = "CMAKE_";
compilerName += lang;
compilerName += "_COMPILER";
std::string compilerEnv = "CMAKE_";
compilerEnv += lang;
compilerEnv += "_COMPILER_ENV_VAR";
std::string envVar = mf->GetRequiredDefinition(compilerEnv.c_str());
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std::string envVarValue =
mf->GetRequiredDefinition(compilerName.c_str());
std::string env = envVar;
env += "=";
env += envVarValue;
cmSystemTools::PutEnv(env.c_str());
}
} // end if(!this->GetLanguageEnabled(lang) )
// if determineLanguage was called then load the file it
// configures CMake(LANG)Compiler.cmake
if(determineLanguageCalled)
{
fpath = rootBin;
fpath += "/CMake";
fpath += lang;
fpath += "Compiler.cmake";
if(!mf->ReadListFile(0,fpath.c_str()))
{
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cmSystemTools::Error("Could not find cmake module file:",
fpath.c_str());
}
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this->SetLanguageEnabled(lang, mf);
// this can only be called after loading CMake(LANG)Compiler.cmake
// the language must be enabled for try compile to work, but we do
// not know if it is a working compiler yet so set the test language
// flag
needTestLanguage[lang] = true;
}
} // end loop over languages
// **** Load the system specific information if not yet loaded
if (!mf->GetDefinition("CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED"))
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{
fpath = mf->GetModulesFile("CMakeSystemSpecificInformation.cmake");
if(!mf->ReadListFile(0,fpath.c_str()))
{
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cmSystemTools::Error("Could not find cmake module file:",
fpath.c_str());
}
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}
// loop over languages again loading CMake(LANG)Information.cmake
//
for(std::vector<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
const char* lang = l->c_str();
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if(*l == "NONE")
{
this->SetLanguageEnabled("NONE", mf);
continue;
}
std::string langLoadedVar = "CMAKE_";
langLoadedVar += lang;
langLoadedVar += "_INFORMATION_LOADED";
if (!mf->GetDefinition(langLoadedVar.c_str()))
{
fpath = "CMake";
fpath += lang;
fpath += "Information.cmake";
fpath = mf->GetModulesFile(fpath.c_str());
if(!mf->ReadListFile(0,fpath.c_str()))
{
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cmSystemTools::Error("Could not find cmake module file:",
fpath.c_str());
}
}
// Test the compiler for the language just setup
// At this point we should have enough info for a try compile
// which is used in the backward stuff
// If the language is untested then test it now with a try compile.
if(needTestLanguage[lang])
{
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if (!this->CMakeInstance->GetIsInTryCompile())
{
std::string testLang = "CMakeTest";
testLang += lang;
testLang += "Compiler.cmake";
std::string ifpath = mf->GetModulesFile(testLang.c_str());
if(!mf->ReadListFile(0,ifpath.c_str()))
{
cmSystemTools::Error("Could not find cmake module file:",
ifpath.c_str());
}
std::string compilerWorks = "CMAKE_";
compilerWorks += lang;
compilerWorks += "_COMPILER_WORKS";
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// if the compiler did not work, then remove the
// CMake(LANG)Compiler.cmake file so that it will get tested the
// next time cmake is run
if(!mf->IsOn(compilerWorks.c_str()))
{
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fpath = rootBin;
fpath += "/CMake";
fpath += lang;
fpath += "Compiler.cmake";
cmSystemTools::RemoveFile(fpath.c_str());
}
else
{
// load backwards compatibility stuff for C and CXX
// for old versions of CMake ListFiles C and CXX had some
// backwards compatibility files they have to load
// These files have a bunch of try compiles in them so
// should only be done
const char* versionValue
= mf->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY");
if (atof(versionValue) <= 1.4)
{
if(strcmp(lang, "C") == 0)
{
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ifpath =
mf->GetModulesFile("CMakeBackwardCompatibilityC.cmake");
mf->ReadListFile(0,ifpath.c_str());
}
if(strcmp(lang, "CXX") == 0)
{
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ifpath =
mf->GetModulesFile("CMakeBackwardCompatibilityCXX.cmake");
mf->ReadListFile(0,ifpath.c_str());
}
}
}
} // end if in try compile
} // end need test language
} // end for each language
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// Now load files that can override any settings on the platform or for
// the project First load the project compatibility file if it is in
// cmake
std::string projectCompatibility = mf->GetDefinition("CMAKE_ROOT");
projectCompatibility += "/Modules/";
projectCompatibility += mf->GetDefinition("PROJECT_NAME");
projectCompatibility += "Compatibility.cmake";
if(cmSystemTools::FileExists(projectCompatibility.c_str()))
{
mf->ReadListFile(0,projectCompatibility.c_str());
}
}
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const char* cmGlobalGenerator
::GetLanguageOutputExtensionForLanguage(const char* lang)
{
if(!lang)
{
return "";
}
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if(this->LanguageToOutputExtension.count(lang) > 0)
{
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return this->LanguageToOutputExtension[lang].c_str();
}
return "";
}
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const char* cmGlobalGenerator
::GetLanguageOutputExtensionFromExtension(const char* ext)
{
if(!ext)
{
return "";
}
const char* lang = this->GetLanguageFromExtension(ext);
if(!lang || *lang == 0)
{
// if no language is found then check to see if it is already an
// ouput extension for some language. In that case it should be ignored
// and in this map, so it will not be compiled but will just be used.
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if(this->OutputExtensions.count(ext))
{
return ext;
}
}
return this->GetLanguageOutputExtensionForLanguage(lang);
}
const char* cmGlobalGenerator::GetLanguageFromExtension(const char* ext)
{
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// if there is an extension and it starts with . then move past the
// . because the extensions are not stored with a . in the map
if(ext && *ext == '.')
{
++ext;
}
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if(this->ExtensionToLanguage.count(ext) > 0)
{
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return this->ExtensionToLanguage[ext].c_str();
}
return 0;
}
void cmGlobalGenerator::SetLanguageEnabled(const char* l, cmMakefile* mf)
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{
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if(this->LanguageEnabled.count(l) > 0)
{
return;
}
std::string outputExtensionVar = std::string("CMAKE_") +
std::string(l) + std::string("_OUTPUT_EXTENSION");
const char* outputExtension = mf->GetDefinition(outputExtensionVar.c_str());
if(outputExtension)
{
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this->LanguageToOutputExtension[l] = outputExtension;
this->OutputExtensions[outputExtension] = outputExtension;
if(outputExtension[0] == '.')
{
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this->OutputExtensions[outputExtension+1] = outputExtension+1;
}
}
std::string linkerPrefVar = std::string("CMAKE_") +
std::string(l) + std::string("_LINKER_PREFERENCE");
const char* linkerPref = mf->GetDefinition(linkerPrefVar.c_str());
if(!linkerPref)
{
linkerPref = "None";
}
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this->LanguageToLinkerPreference[l] = linkerPref;
std::string extensionsVar = std::string("CMAKE_") +
std::string(l) + std::string("_SOURCE_FILE_EXTENSIONS");
std::string ignoreExtensionsVar = std::string("CMAKE_") +
std::string(l) + std::string("_IGNORE_EXTENSIONS");
std::string ignoreExts = mf->GetSafeDefinition(ignoreExtensionsVar.c_str());
std::string exts = mf->GetSafeDefinition(extensionsVar.c_str());
std::vector<std::string> extensionList;
cmSystemTools::ExpandListArgument(exts, extensionList);
for(std::vector<std::string>::iterator i = extensionList.begin();
i != extensionList.end(); ++i)
{
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this->ExtensionToLanguage[*i] = l;
}
cmSystemTools::ExpandListArgument(ignoreExts, extensionList);
for(std::vector<std::string>::iterator i = extensionList.begin();
i != extensionList.end(); ++i)
{
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this->IgnoreExtensions[*i] = true;
}
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this->LanguageEnabled[l] = true;
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}
bool cmGlobalGenerator::IgnoreFile(const char* l)
{
if(this->GetLanguageFromExtension(l))
{
return false;
}
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return (this->IgnoreExtensions.count(l) > 0);
}
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bool cmGlobalGenerator::GetLanguageEnabled(const char* l)
{
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return (this->LanguageEnabled.count(l) > 0);
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}
void cmGlobalGenerator::ClearEnabledLanguages()
{
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this->LanguageEnabled.clear();
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}
void cmGlobalGenerator::Configure()
{
// Delete any existing cmLocalGenerators
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unsigned int i;
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for (i = 0; i < this->LocalGenerators.size(); ++i)
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{
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delete this->LocalGenerators[i];
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}
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this->LocalGenerators.clear();
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this->TotalTargets.clear();
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// start with this directory
cmLocalGenerator *lg = this->CreateLocalGenerator();
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this->LocalGenerators.push_back(lg);
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// set the Start directories
lg->GetMakefile()->SetStartDirectory
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(this->CMakeInstance->GetStartDirectory());
lg->GetMakefile()->SetStartOutputDirectory
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(this->CMakeInstance->GetStartOutputDirectory());
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lg->GetMakefile()->MakeStartDirectoriesCurrent();
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// now do it
lg->Configure();
// update the cache entry for the number of local generators, this is used
// for progress
char num[100];
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sprintf(num,"%d",static_cast<int>(this->LocalGenerators.size()));
this->GetCMakeInstance()->AddCacheEntry
("CMAKE_NUMBER_OF_LOCAL_GENERATORS", num,
"number of local generators", cmCacheManager::INTERNAL);
std::set<cmStdString> notFoundMap;
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// after it is all done do a ConfigureFinalPass
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cmCacheManager* manager = 0;
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for (i = 0; i < this->LocalGenerators.size(); ++i)
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{
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manager = this->LocalGenerators[i]->GetMakefile()->GetCacheManager();
this->LocalGenerators[i]->ConfigureFinalPass();
cmTargets & targets =
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this->LocalGenerators[i]->GetMakefile()->GetTargets();
for (cmTargets::iterator l = targets.begin();
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l != targets.end(); l++)
{
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cmTarget::LinkLibraryVectorType libs = l->second.GetLinkLibraries();
for(cmTarget::LinkLibraryVectorType::iterator lib = libs.begin();
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lib != libs.end(); ++lib)
{
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if(lib->first.size() > 9 &&
cmSystemTools::IsNOTFOUND(lib->first.c_str()))
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{
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std::string varName = lib->first.substr(0, lib->first.size()-9);
notFoundMap.insert(varName);
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}
}
std::vector<std::string>& incs =
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this->LocalGenerators[i]->GetMakefile()->GetIncludeDirectories();
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for( std::vector<std::string>::iterator lib = incs.begin();
lib != incs.end(); ++lib)
{
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if(lib->size() > 9 &&
cmSystemTools::IsNOTFOUND(lib->c_str()))
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{
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std::string varName = lib->substr(0, lib->size()-9);
notFoundMap.insert(varName);
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}
}
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this->CMakeInstance->UpdateProgress
("Configuring", 0.9f+0.1f*(i+1.0f)/this->LocalGenerators.size());
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this->LocalGenerators[i]->GetMakefile()->CheckInfiniteLoops();
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}
}
if(notFoundMap.size())
{
std::string notFoundVars;
for(std::set<cmStdString>::iterator ii = notFoundMap.begin();
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ii != notFoundMap.end(); ++ii)
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{
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notFoundVars += *ii;
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if(manager)
{
cmCacheManager::CacheIterator it =
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manager->GetCacheIterator(ii->c_str());
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if(it.GetPropertyAsBool("ADVANCED"))
{
notFoundVars += " (ADVANCED)";
}
}
notFoundVars += "\n";
}
cmSystemTools::Error("This project requires some variables to be set,\n"
"and cmake can not find them.\n"
"Please set the following variables:\n",
notFoundVars.c_str());
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}
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// at this point this->LocalGenerators has been filled,
// so create the map from project name to vector of local generators
this->FillProjectMap();
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if ( !this->CMakeInstance->GetScriptMode() )
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{
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this->CMakeInstance->UpdateProgress("Configuring done", -1);
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}
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}
void cmGlobalGenerator::Generate()
{
// For each existing cmLocalGenerator
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unsigned int i;
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// Consolidate global targets
cmTargets globalTargets;
this->CreateDefaultGlobalTargets(&globalTargets);
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for (i = 0; i < this->LocalGenerators.size(); ++i)
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{
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cmTargets* targets =
&(this->LocalGenerators[i]->GetMakefile()->GetTargets());
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cmTargets::iterator tarIt;
for ( tarIt = targets->begin(); tarIt != targets->end(); ++ tarIt )
{
if ( tarIt->second.GetType() == cmTarget::GLOBAL_TARGET )
{
globalTargets[tarIt->first] = tarIt->second;
}
}
}
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for (i = 0; i < this->LocalGenerators.size(); ++i)
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{
cmMakefile* mf = this->LocalGenerators[i]->GetMakefile();
cmTargets* targets = &(mf->GetTargets());
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cmTargets::iterator tit;
for ( tit = globalTargets.begin(); tit != globalTargets.end(); ++ tit )
{
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(*targets)[tit->first] = tit->second;
(*targets)[tit->first].SetMakefile(mf);
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}
}
// Compute the manifest of main targets generated.
for (i = 0; i < this->LocalGenerators.size(); ++i)
{
this->LocalGenerators[i]->GenerateTargetManifest(this->TargetManifest);
}
// Generate project files
for (i = 0; i < this->LocalGenerators.size(); ++i)
{
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this->LocalGenerators[i]->Generate();
this->LocalGenerators[i]->GenerateInstallRules();
this->LocalGenerators[i]->GenerateTestFiles();
this->CMakeInstance->UpdateProgress("Generating",
(i+1.0f)/this->LocalGenerators.size());
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}
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this->CMakeInstance->UpdateProgress("Generating done", -1);
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}
int cmGlobalGenerator::TryCompile(const char *srcdir, const char *bindir,
const char *projectName,
const char *target,
std::string *output, cmMakefile *mf)
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{
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std::string makeCommand = this->CMakeInstance->
GetCacheManager()->GetCacheValue("CMAKE_MAKE_PROGRAM");
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if(makeCommand.size() == 0)
{
cmSystemTools::Error(
"Generator cannot find the appropriate make command.");
return 1;
}
std::string newTarget;
if (target && strlen(target))
{
newTarget += target;
#if 0
#if defined(_WIN32) || defined(__CYGWIN__)
std::string tmp = target;
// if the target does not already end in . something
// then assume .exe
if(tmp.size() < 4 || tmp[tmp.size()-4] != '.')
{
newTarget += ".exe";
}
#endif // WIN32
#endif
}
const char* config = mf->GetDefinition("CMAKE_TRY_COMPILE_CONFIGURATION");
return this->Build(srcdir,bindir,projectName,
newTarget.c_str(),
output,makeCommand.c_str(),config,false,true);
}
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std::string cmGlobalGenerator
::GenerateBuildCommand(const char* makeProgram, const char *projectName,
const char* additionalOptions, const char *targetName,
const char* config, bool ignoreErrors, bool)
{
// Project name and config are not used yet.
(void)projectName;
(void)config;
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std::string makeCommand =
cmSystemTools::ConvertToUnixOutputPath(makeProgram);
// Since we have full control over the invocation of nmake, let us
// make it quiet.
if ( strcmp(this->GetName(), "NMake Makefiles") == 0 )
{
makeCommand += " /NOLOGO ";
}
if ( ignoreErrors )
{
makeCommand += " -i";
}
if ( additionalOptions )
{
makeCommand += " ";
makeCommand += additionalOptions;
}
if ( targetName )
{
makeCommand += " ";
makeCommand += targetName;
}
return makeCommand;
}
int cmGlobalGenerator::Build(
const char *, const char *bindir,
const char *projectName, const char *target,
std::string *output,
const char *makeCommandCSTR,
const char *config,
bool clean, bool fast)
{
*output += "\nTesting TryCompileWithoutMakefile\n";
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/**
* Run an executable command and put the stdout in output.
*/
std::string cwd = cmSystemTools::GetCurrentWorkingDirectory();
cmSystemTools::ChangeDirectory(bindir);
int retVal;
int timeout = cmGlobalGenerator::s_TryCompileTimeout;
bool hideconsole = cmSystemTools::GetRunCommandHideConsole();
cmSystemTools::SetRunCommandHideConsole(true);
// should we do a clean first?
if (clean)
{
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std::string cleanCommand =
this->GenerateBuildCommand(makeCommandCSTR, projectName,
0, "clean", config, false, fast);
if (!cmSystemTools::RunSingleCommand(cleanCommand.c_str(), output,
&retVal, 0, false, timeout))
{
cmSystemTools::SetRunCommandHideConsole(hideconsole);
cmSystemTools::Error("Generator: execution of make clean failed.");
if (output)
{
*output += "\nGenerator: execution of make clean failed.\n";
}
// return to the original directory
cmSystemTools::ChangeDirectory(cwd.c_str());
return 1;
}
}
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// now build
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std::string makeCommand =
this->GenerateBuildCommand(makeCommandCSTR, projectName,
0, target, config, false, fast);
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if (!cmSystemTools::RunSingleCommand(makeCommand.c_str(), output,
&retVal, 0, false, timeout))
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{
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cmSystemTools::SetRunCommandHideConsole(hideconsole);
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cmSystemTools::Error
("Generator: execution of make failed. Make command was: ",
makeCommand.c_str());
if (output)
{
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*output += "\nGenerator: execution of make failed. Make command was: "
+ makeCommand + "\n";
}
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// return to the original directory
cmSystemTools::ChangeDirectory(cwd.c_str());
return 1;
}
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cmSystemTools::SetRunCommandHideConsole(hideconsole);
// The SGI MipsPro 7.3 compiler does not return an error code when
// the source has a #error in it! This is a work-around for such
// compilers.
if((retVal == 0) && (output->find("#error") != std::string::npos))
{
retVal = 1;
}
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cmSystemTools::ChangeDirectory(cwd.c_str());
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return retVal;
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}
void cmGlobalGenerator::AddLocalGenerator(cmLocalGenerator *lg)
{
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this->LocalGenerators.push_back(lg);
// update progress
// estimate how many lg there will be
const char *numGenC =
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this->CMakeInstance->GetCacheManager()->GetCacheValue
("CMAKE_NUMBER_OF_LOCAL_GENERATORS");
if (!numGenC)
{
return;
}
int numGen = atoi(numGenC);
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float prog = 0.9f*this->LocalGenerators.size()/numGen;
if (prog > 0.9f)
{
prog = 0.9f;
}
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this->CMakeInstance->UpdateProgress("Configuring", prog);
}
void cmGlobalGenerator::AddInstallComponent(const char* component)
{
if(component && *component)
{
this->InstallComponents.insert(component);
}
}
void cmGlobalGenerator::EnableInstallTarget()
{
this->InstallTargetEnabled = true;
}
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cmLocalGenerator *cmGlobalGenerator::CreateLocalGenerator()
{
cmLocalGenerator *lg = new cmLocalGenerator;
lg->SetGlobalGenerator(this);
return lg;
}
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void cmGlobalGenerator::EnableLanguagesFromGenerator(cmGlobalGenerator *gen )
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{
std::string cfp = gen->GetCMakeInstance()->GetHomeOutputDirectory();
cfp += cmake::GetCMakeFilesDirectory();
this->SetConfiguredFilesPath(cfp.c_str());
const char* make =
gen->GetCMakeInstance()->GetCacheDefinition("CMAKE_MAKE_PROGRAM");
this->GetCMakeInstance()->AddCacheEntry("CMAKE_MAKE_PROGRAM", make,
"make program",
cmCacheManager::FILEPATH);
// copy the enabled languages
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this->LanguageEnabled = gen->LanguageEnabled;
this->ExtensionToLanguage = gen->ExtensionToLanguage;
this->IgnoreExtensions = gen->IgnoreExtensions;
this->LanguageToOutputExtension = gen->LanguageToOutputExtension;
this->LanguageToLinkerPreference = gen->LanguageToLinkerPreference;
this->OutputExtensions = gen->OutputExtensions;
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}
//----------------------------------------------------------------------------
void cmGlobalGenerator::GetDocumentation(cmDocumentationEntry& entry) const
{
entry.name = this->GetName();
entry.brief = "";
entry.full = "";
}
bool cmGlobalGenerator::IsExcluded(cmLocalGenerator* root,
cmLocalGenerator* gen)
{
cmLocalGenerator* cur = gen->GetParent();
while(cur && cur != root)
{
if(cur->GetExcludeAll())
{
return true;
}
cur = cur->GetParent();
}
return false;
}
void cmGlobalGenerator::GetEnabledLanguages(std::vector<std::string>& lang)
{
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for(std::map<cmStdString, bool>::iterator i =
this->LanguageEnabled.begin(); i != this->LanguageEnabled.end(); ++i)
{
lang.push_back(i->first);
}
}
const char* cmGlobalGenerator::GetLinkerPreference(const char* lang)
{
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if(this->LanguageToLinkerPreference.count(lang))
{
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return this->LanguageToLinkerPreference[lang].c_str();
}
return "None";
}
void cmGlobalGenerator::FillProjectMap()
{
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this->ProjectMap.clear(); // make sure we start with a clean map
unsigned int i;
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for(i = 0; i < this->LocalGenerators.size(); ++i)
{
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// for each local generator add all projects
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cmLocalGenerator *lg = this->LocalGenerators[i];
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std::string name;
do
{
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if (name != lg->GetMakefile()->GetProjectName())
{
name = lg->GetMakefile()->GetProjectName();
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this->ProjectMap[name].push_back(this->LocalGenerators[i]);
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}
lg = lg->GetParent();
}
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while (lg);
}
}
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///! Find a local generator by its startdirectory
cmLocalGenerator* cmGlobalGenerator::FindLocalGenerator(const char* start_dir)
{
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std::vector<cmLocalGenerator*>* gens = &this->LocalGenerators;
for(unsigned int i = 0; i < gens->size(); ++i)
{
std::string sd = (*gens)[i]->GetMakefile()->GetStartDirectory();
if (sd == start_dir)
{
return (*gens)[i];
}
}
return 0;
}
cmTarget* cmGlobalGenerator::FindTarget(const char* project,
const char* name)
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{
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// if project specific
if(project)
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{
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std::vector<cmLocalGenerator*>* gens = &this->ProjectMap[project];
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for(unsigned int i = 0; i < gens->size(); ++i)
{
cmTarget* ret = (*gens)[i]->GetMakefile()->FindTarget(name);
if(ret)
{
return ret;
}
}
}
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// if all projects/directories
else
{
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std::map<cmStdString,cmTarget *>::iterator i =
this->TotalTargets.find(name);
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if (i == this->TotalTargets.end())
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{
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return 0;
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}
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return i->second;
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}
return 0;
}
//----------------------------------------------------------------------------
void cmGlobalGenerator::ConfigureRelativePaths()
{
// The current working directory on Windows cannot be a network
// path. Therefore relative paths cannot work when the build tree
// is a network path.
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std::string source = this->CMakeInstance->GetHomeDirectory();
std::string binary = this->CMakeInstance->GetHomeOutputDirectory();
if(binary.size() < 2 || binary.substr(0, 2) != "//")
{
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this->RelativePathTopSource = source;
this->RelativePathTopBinary = binary;
}
else
{
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this->RelativePathTopSource = "";
this->RelativePathTopBinary = "";
}
}
//----------------------------------------------------------------------------
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std::string cmGlobalGenerator
::ConvertToRelativePath(const std::vector<std::string>& local,
const char* in_remote)
{
// The path should never be quoted.
assert(in_remote[0] != '\"');
// The local path should never have a trailing slash.
assert(local.size() > 0 && !(local[local.size()-1] == ""));
// If the path is already relative then just return the path.
if(!cmSystemTools::FileIsFullPath(in_remote))
{
return in_remote;
}
// Make sure relative path conversion is configured.
if(!this->RelativePathsConfigured)
{
this->ConfigureRelativePaths();
this->RelativePathsConfigured = true;
}
std::string original = in_remote;
// Skip conversion if the path and local are not both in the source or both
// in the binary tree
std::string local_path = cmSystemTools::JoinPath(local);
bool should_convert = false;
// is the root in the binary tree?
if (local_path.size() >= this->RelativePathTopBinary.size() &&
cmSystemTools::ComparePath
(local_path.substr(0, this->RelativePathTopBinary.size()).c_str(),
this->RelativePathTopBinary.c_str()))
{
// is the source also in the binary tree?
if (original.size() >= this->RelativePathTopBinary.size() &&
cmSystemTools::ComparePath
(original.substr(0, this->RelativePathTopBinary.size()).c_str(),
this->RelativePathTopBinary.c_str()))
{
should_convert = true;
}
}
if (local_path.size() >= this->RelativePathTopSource.size() &&
cmSystemTools::ComparePath
(local_path.substr(0, this->RelativePathTopSource.size()).c_str(),
this->RelativePathTopSource.c_str()))
{
// is the source also in the binary tree?
if (original.size() >= this->RelativePathTopSource.size() &&
cmSystemTools::ComparePath
(original.substr(0, this->RelativePathTopSource.size()).c_str(),
this->RelativePathTopSource.c_str()))
{
should_convert = true;
}
}
if (!should_convert)
{
return in_remote;
}
// Identify the longest shared path component between the remote
// path and the local path.
std::vector<std::string> remote;
cmSystemTools::SplitPath(in_remote, remote);
unsigned int common=0;
while(common < remote.size() &&
common < local.size() &&
cmSystemTools::ComparePath(remote[common].c_str(),
local[common].c_str()))
{
++common;
}
// If no part of the path is in common then return the full path.
if(common == 0)
{
return in_remote;
}
// If the entire path is in common then just return a ".".
if(common == remote.size() &&
common == local.size())
{
return ".";
}
// If the entire path is in common except for a trailing slash then
// just return a "./".
if(common+1 == remote.size() &&
remote[common].size() == 0 &&
common == local.size())
{
return "./";
}
// Construct the relative path.
std::string relative;
// First add enough ../ to get up to the level of the shared portion
// of the path. Leave off the trailing slash. Note that the last
// component of local will never be empty because local should never
// have a trailing slash.
for(unsigned int i=common; i < local.size(); ++i)
{
relative += "..";
if(i < local.size()-1)
{
relative += "/";
}
}
// Now add the portion of the destination path that is not included
// in the shared portion of the path. Add a slash the first time
// only if there was already something in the path. If there was a
// trailing slash in the input then the last iteration of the loop
// will add a slash followed by an empty string which will preserve
// the trailing slash in the output.
for(unsigned int i=common; i < remote.size(); ++i)
{
if(relative.size() > 0)
{
relative += "/";
}
relative += remote[i];
}
// Finally return the path.
return relative;
}
inline std::string removeQuotes(const std::string& s)
{
if(s[0] == '\"' && s[s.size()-1] == '\"')
{
return s.substr(1, s.size()-2);
}
return s;
}
void cmGlobalGenerator::SetCMakeInstance(cmake* cm)
{
// Store a pointer to the cmake object instance.
this->CMakeInstance = cm;
}
void cmGlobalGenerator::SetupTests()
{
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std::string ctest = this->LocalGenerators[0]->GetMakefile()->
GetRequiredDefinition("CMAKE_COMMAND");
ctest = removeQuotes(ctest);
ctest = cmSystemTools::GetFilenamePath(ctest.c_str());
ctest += "/";
ctest += "ctest";
ctest += cmSystemTools::GetExecutableExtension();
if(!cmSystemTools::FileExists(ctest.c_str()))
{
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ctest = this->LocalGenerators[0]->GetMakefile()->
GetRequiredDefinition("CMAKE_COMMAND");
ctest = cmSystemTools::GetFilenamePath(ctest.c_str());
ctest += "/Debug/";
ctest += "ctest";
ctest += cmSystemTools::GetExecutableExtension();
}
if(!cmSystemTools::FileExists(ctest.c_str()))
{
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ctest = this->LocalGenerators[0]->GetMakefile()->
GetRequiredDefinition("CMAKE_COMMAND");
ctest = cmSystemTools::GetFilenamePath(ctest.c_str());
ctest += "/Release/";
ctest += "ctest";
ctest += cmSystemTools::GetExecutableExtension();
}
// if we found ctest
if (cmSystemTools::FileExists(ctest.c_str()))
{
// Create a full path filename for output Testfile
std::string fname;
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fname = this->CMakeInstance->GetStartOutputDirectory();
fname += "/";
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if ( this->LocalGenerators[0]->GetMakefile()->IsSet("CTEST_NEW_FORMAT") )
{
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fname += "CTestTestfile.txt";
}
else
{
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fname += "DartTestfile.txt";
}
// Add run_test only if any tests are foun
size_t total_tests = 0;
size_t i;
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for (i = 0; i < this->LocalGenerators.size(); ++i)
{
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total_tests +=
this->LocalGenerators[i]->GetMakefile()->GetTests()->size();
}
// If the file doesn't exist, then ENABLE_TESTING hasn't been run
if (total_tests > 0)
{
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const char* no_working_dir = 0;
std::vector<std::string> no_depends;
std::map<cmStdString, std::vector<cmLocalGenerator*> >::iterator it;
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for(it = this->ProjectMap.begin(); it!= this->ProjectMap.end(); ++it)
{
std::vector<cmLocalGenerator*>& gen = it->second;
// add the RUN_TESTS to the first local generator of each project
if(gen.size())
{
cmMakefile* mf = gen[0]->GetMakefile();
if(const char* outDir = mf->GetDefinition("CMAKE_CFG_INTDIR"))
{
mf->AddUtilityCommand("RUN_TESTS", false, no_depends,
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no_working_dir,
ctest.c_str(), "-C", outDir);
}
}
}
}
}
}
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void cmGlobalGenerator::CreateDefaultGlobalTargets(cmTargets* targets)
{
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cmMakefile* mf = this->LocalGenerators[0]->GetMakefile();
const char* cmakeCfgIntDir = this->GetCMakeCFGInitDirectory();
const char* cmakeCommand = mf->GetRequiredDefinition("CMAKE_COMMAND");
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// CPack
cmCustomCommandLines cpackCommandLines;
std::vector<std::string> depends;
cmCustomCommandLine singleLine;
cpackCommandLines.erase(cpackCommandLines.begin(), cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
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singleLine.push_back(this->GetCMakeInstance()->GetCPackCommand());
if ( cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.' )
{
singleLine.push_back("-C");
singleLine.push_back(mf->GetDefinition("CMAKE_CFG_INTDIR"));
}
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singleLine.push_back("--config");
std::string configFile = mf->GetStartOutputDirectory();;
configFile += "/CPackConfig.cmake";
singleLine.push_back(configFile);
cpackCommandLines.push_back(singleLine);
if ( this->GetPreinstallTargetName() )
{
depends.push_back("preinstall");
}
if(cmSystemTools::FileExists(configFile.c_str()))
{
(*targets)[this->GetPackageTargetName()]
= this->CreateGlobalTarget(this->GetPackageTargetName(),
"Run CPack packaging tool...",
&cpackCommandLines, depends);
}
// CPack source
const char* packageSourceTargetName = this->GetPackageSourceTargetName();
if ( packageSourceTargetName )
{
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cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
singleLine.push_back(this->GetCMakeInstance()->GetCPackCommand());
singleLine.push_back("--config");
configFile = mf->GetStartOutputDirectory();;
configFile += "/CPackSourceConfig.cmake";
if(cmSystemTools::FileExists(configFile.c_str()))
{
singleLine.push_back(configFile);
cpackCommandLines.push_back(singleLine);
(*targets)[packageSourceTargetName]
= this->CreateGlobalTarget(packageSourceTargetName,
"Run CPack packaging tool for source...",
&cpackCommandLines, depends);
}
}
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// Test
if(mf->IsOn("CMAKE_TESTING_ENABLED"))
{
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cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
singleLine.push_back(this->GetCMakeInstance()->GetCTestCommand());
if(cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.')
{
singleLine.push_back("-C");
singleLine.push_back(mf->GetDefinition("CMAKE_CFG_INTDIR"));
}
singleLine.push_back("--force-new-ctest-process");
cpackCommandLines.push_back(singleLine);
(*targets)[this->GetTestTargetName()]
= this->CreateGlobalTarget(this->GetTestTargetName(),
"Running tests...", &cpackCommandLines, depends);
}
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//Edit Cache
const char* editCacheTargetName = this->GetEditCacheTargetName();
if ( editCacheTargetName )
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{
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cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
// Use CMAKE_EDIT_COMMAND for the edit_cache rule if it is defined.
// Otherwise default to the interactive command-line interface.
if(mf->GetDefinition("CMAKE_EDIT_COMMAND"))
{
singleLine.push_back(mf->GetDefinition("CMAKE_EDIT_COMMAND"));
singleLine.push_back("-H$(CMAKE_SOURCE_DIR)");
singleLine.push_back("-B$(CMAKE_BINARY_DIR)");
cpackCommandLines.push_back(singleLine);
(*targets)[editCacheTargetName] =
this->CreateGlobalTarget(
editCacheTargetName, "Running CMake cache editor...",
&cpackCommandLines, depends);
}
else
{
singleLine.push_back(cmakeCommand);
singleLine.push_back("-i");
singleLine.push_back(".");
cpackCommandLines.push_back(singleLine);
(*targets)[editCacheTargetName] =
this->CreateGlobalTarget(
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editCacheTargetName,
"Running interactive CMake command-line interface...",
&cpackCommandLines, depends);
}
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}
//Rebuild Cache
const char* rebuildCacheTargetName = this->GetRebuildCacheTargetName();
if ( rebuildCacheTargetName )
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{
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cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
singleLine.push_back(cmakeCommand);
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singleLine.push_back("-H$(CMAKE_SOURCE_DIR)");
singleLine.push_back("-B$(CMAKE_BINARY_DIR)");
cpackCommandLines.push_back(singleLine);
(*targets)[rebuildCacheTargetName] =
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this->CreateGlobalTarget(
rebuildCacheTargetName, "Running CMake to regenerate build system...",
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&cpackCommandLines, depends);
}
//Install
if(this->InstallTargetEnabled)
{
std::string cmd;
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cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
singleLine.erase(singleLine.begin(), singleLine.end());
depends.erase(depends.begin(), depends.end());
if ( this->GetPreinstallTargetName() )
{
depends.push_back(this->GetPreinstallTargetName());
}
else
{
const char* noall =
mf->GetDefinition("CMAKE_SKIP_INSTALL_ALL_DEPENDENCY");
if(!noall || cmSystemTools::IsOff(noall))
{
depends.push_back(this->GetAllTargetName());
}
}
if(mf->GetDefinition("CMake_BINARY_DIR"))
{
// We are building CMake itself. We cannot use the original
// executable to install over itself.
cmd = mf->GetDefinition("EXECUTABLE_OUTPUT_PATH");
if(cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.')
{
cmd += "/";
cmd += cmakeCfgIntDir;
}
cmd += "/cmake";
}
else
{
cmd = cmakeCommand;
}
singleLine.push_back(cmd.c_str());
if ( cmakeCfgIntDir && *cmakeCfgIntDir && cmakeCfgIntDir[0] != '.' )
{
std::string cfgArg = "-DBUILD_TYPE=";
cfgArg += mf->GetDefinition("CMAKE_CFG_INTDIR");
singleLine.push_back(cfgArg);
}
singleLine.push_back("-P");
singleLine.push_back("cmake_install.cmake");
cpackCommandLines.push_back(singleLine);
(*targets)[this->GetInstallTargetName()] =
this->CreateGlobalTarget(
this->GetInstallTargetName(), "Install the project...",
&cpackCommandLines, depends);
// install_local
if(const char* install_local = this->GetInstallLocalTargetName())
{
singleLine.insert(singleLine.begin()+1, "-DCMAKE_INSTALL_LOCAL_ONLY=1");
cpackCommandLines.erase(cpackCommandLines.begin(),
cpackCommandLines.end());
cpackCommandLines.push_back(singleLine);
(*targets)[install_local] =
this->CreateGlobalTarget(
install_local, "Installing only the local directory...",
&cpackCommandLines, depends);
}
}
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}
cmTarget cmGlobalGenerator::CreateGlobalTarget(
const char* name, const char* message,
const cmCustomCommandLines* commandLines,
std::vector<std::string> depends,
bool depends_on_all /* = false */)
{
// Package
cmTarget target;
target.SetType(cmTarget::GLOBAL_TARGET, name);
target.SetInAll(false);
std::vector<std::string> no_outputs;
std::vector<std::string> no_depends;
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// Store the custom command in the target.
cmCustomCommand cc(no_outputs, no_depends, *commandLines, 0, 0);
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target.GetPostBuildCommands().push_back(cc);
target.SetProperty("EchoString", message);
if ( depends_on_all )
{
target.AddUtility("all");
}
std::vector<std::string>::iterator dit;
for ( dit = depends.begin(); dit != depends.end(); ++ dit )
{
target.AddUtility(dit->c_str());
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}
return target;
}
//----------------------------------------------------------------------------
void cmGlobalGenerator::AppendDirectoryForConfig(const char*, const char*,
const char*, std::string&)
{
// Subclasses that support multiple configurations should implement
// this method to append the subdirectory for the given build
// configuration.
}
//----------------------------------------------------------------------------
void cmGlobalGenerator::CheckMultipleOutputs(cmMakefile*, bool)
{
// Only certain generators need this check. They define this
// method.
}