CMake/Source/cmake.cxx

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/*=========================================================================
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.
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=========================================================================*/
#include "cmake.h"
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#include "time.h"
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#include "cmCacheManager.h"
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#include "cmMakefile.h"
#include "cmLocalGenerator.h"
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#include "cmCommands.h"
#include "cmCommand.h"
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#include "cmVariableWatch.h"
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// include the generator
#if defined(_WIN32) && !defined(__CYGWIN__)
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#include "cmGlobalVisualStudio6Generator.h"
#include "cmGlobalVisualStudio7Generator.h"
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#include "cmGlobalVisualStudio71Generator.h"
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#include "cmGlobalBorlandMakefileGenerator.h"
#include "cmGlobalNMakeMakefileGenerator.h"
#include "cmWin32ProcessExecution.h"
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#else
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#include "cmGlobalUnixMakefileGenerator.h"
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#endif
#include <stdio.h>
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#include <stdlib.h> // required for atoi
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#ifdef __APPLE__
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
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#if defined(CMAKE_BUILD_WITH_CMAKE)
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#include "cmGlobalCodeWarriorGenerator.h"
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#endif
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#endif
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void cmNeedBackwardsCompatibility(const std::string& variable,
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int access_type, void* )
{
if (access_type == cmVariableWatch::UNKNOWN_VARIABLE_READ_ACCESS)
{
std::string message = "Error: An atttempt was made to access a variable: ";
message += variable;
message += " that has not been defined. Some variables were always defined by CMake in versions prior to 1.6. To fix this you might need to set the cache value of CMAKE_BACKWARDS_COMPATIBILITY to 1.4 or less. If you are writing a CMakeList file, (or have already set CMAKE_BACKWARDS_COMPATABILITY to 1.4 or less) then you probably need to include a CMake module to test for the feature this variable defines.";
cmSystemTools::Error(message.c_str());
}
}
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cmake::cmake()
{
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#ifdef __APPLE__
struct rlimit rlp;
if(!getrlimit(RLIMIT_STACK, &rlp))
{
if(rlp.rlim_cur != rlp.rlim_max)
{
rlp.rlim_cur = rlp.rlim_max;
setrlimit(RLIMIT_STACK, &rlp);
}
}
#endif
// If MAKEFLAGS are given in the environment, remove the environment
// variable. This will prevent try-compile from succeeding when it
// should fail (if "-i" is an option). We cannot simply test
// whether "-i" is given and remove it because some make programs
// encode the MAKEFLAGS variable in a strange way.
if(getenv("MAKEFLAGS"))
{
static char makeflags[] = "MAKEFLAGS=";
putenv(makeflags);
}
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m_Local = false;
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m_Verbose = false;
m_InTryCompile = false;
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m_CacheManager = new cmCacheManager;
m_GlobalGenerator = 0;
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m_ProgressCallback = 0;
m_ProgressCallbackClientData = 0;
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m_VariableWatch = new cmVariableWatch;
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this->AddDefaultGenerators();
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this->AddDefaultCommands();
m_VariableWatch->AddWatch("CMAKE_WORDS_BIGENDIAN",
cmNeedBackwardsCompatibility);
m_VariableWatch->AddWatch("CMAKE_SIZEOF_INT",
cmNeedBackwardsCompatibility);
m_VariableWatch->AddWatch("CMAKE_X_LIBS",
cmNeedBackwardsCompatibility);
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}
cmake::~cmake()
{
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delete m_CacheManager;
if (m_GlobalGenerator)
{
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delete m_GlobalGenerator;
m_GlobalGenerator = 0;
}
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for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
delete (*j).second;
}
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delete m_VariableWatch;
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}
bool cmake::CommandExists(const char* name) const
{
return (m_Commands.find(name) != m_Commands.end());
}
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cmCommand *cmake::GetCommand(const char *name)
{
cmCommand* rm = 0;
RegisteredCommandsMap::iterator pos = m_Commands.find(name);
if (pos != m_Commands.end())
{
rm = (*pos).second;
}
return rm;
}
void cmake::AddCommand(cmCommand* wg)
{
std::string name = wg->GetName();
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// if the command already exists, free the old one
RegisteredCommandsMap::iterator pos = m_Commands.find(name);
if (pos != m_Commands.end())
{
delete pos->second;
m_Commands.erase(pos);
}
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m_Commands.insert( RegisteredCommandsMap::value_type(name, wg));
}
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void cmake::Usage(const char* program)
{
cmOStringStream errorStream;
errorStream << "cmake version " << cmMakefile::GetMajorVersion()
<< "." << cmMakefile::GetMinorVersion() << "\n";
errorStream << "Usage: " << program << " [srcdir] [options]\n"
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<< "Where cmake is run from the directory where you want the object files written. If srcdir is not specified, the current directory is used for both source and object files.\n";
errorStream << "Options are:\n";
errorStream << "\n-i (puts cmake in wizard mode, not available for ccmake)\n";
errorStream << "\n-DVAR:TYPE=VALUE (create a cache file entry)\n";
errorStream << "\n-Cpath_to_initial_cache (a cmake list file that is used to pre-load the cache with values.)\n";
errorStream << "\n[-GgeneratorName] (where generator name can be one of these: ";
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std::vector<std::string> names;
this->GetRegisteredGenerators(names);
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for(std::vector<std::string>::iterator i =names.begin();
i != names.end(); ++i)
{
errorStream << "\"" << i->c_str() << "\" ";
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}
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errorStream << ")\n";
cmSystemTools::Error(errorStream.str().c_str());
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}
// Parse the args
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void cmake::SetCacheArgs(const std::vector<std::string>& args)
{
for(unsigned int i=1; i < args.size(); ++i)
{
std::string arg = args[i];
if(arg.find("-D",0) == 0)
{
std::string entry = arg.substr(2);
std::string var, value;
cmCacheManager::CacheEntryType type;
if(cmCacheManager::ParseEntry(entry.c_str(), var, value, type))
{
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this->m_CacheManager->AddCacheEntry(var.c_str(), value.c_str(),
"No help, variable specified on the command line.",
type);
}
else
{
std::cerr << "Parse error in command line argument: " << arg << "\n"
<< "Should be: VAR:type=value\n";
}
}
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else if(arg.find("-C",0) == 0)
{
std::string path = arg.substr(2);
std::cerr << "loading initial cache file " << path.c_str() << "\n";
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this->ReadListFile(path.c_str());
}
}
}
void cmake::ReadListFile(const char *path)
{
// if a generator was not yet created, temporarily create one
cmGlobalGenerator *gg = this->GetGlobalGenerator();
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bool created = false;
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// if a generator was not specified use a generic one
if (!gg)
{
gg = new cmGlobalGenerator;
gg->SetCMakeInstance(this);
created = true;
}
// read in the list file to fill the cache
if(path)
{
cmLocalGenerator *lg = gg->CreateLocalGenerator();
lg->SetGlobalGenerator(gg);
if (!lg->GetMakefile()->ReadListFile(path))
{
std::cerr << "Error in reading cmake initial cache file:"
<< path << "\n";
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}
}
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// free generic one if generated
if (created)
{
delete gg;
}
}
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// Parse the args
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void cmake::SetArgs(const std::vector<std::string>& args)
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{
m_Local = false;
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bool directoriesSet = false;
// watch for cmake and cmake srcdir invocations
if (args.size() <= 2)
{
directoriesSet = true;
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this->SetHomeOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetStartOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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if (args.size() == 2 && args[1].find("-G") != 0)
{
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this->SetHomeDirectory
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(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
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this->SetStartDirectory
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(cmSystemTools::CollapseFullPath(args[1].c_str()).c_str());
}
else
{
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this->SetHomeDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetStartDirectory
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(cmSystemTools::GetCurrentWorkingDirectory().c_str());
}
}
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for(unsigned int i=1; i < args.size(); ++i)
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{
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std::string arg = args[i];
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if(arg.find("-H",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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this->SetHomeDirectory(path.c_str());
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}
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else if(arg.find("-S",0) == 0)
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{
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directoriesSet = true;
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m_Local = true;
std::string path = arg.substr(2);
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this->SetStartDirectory(path.c_str());
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}
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else if(arg.find("-O",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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this->SetStartOutputDirectory(path.c_str());
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}
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else if(arg.find("-B",0) == 0)
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{
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directoriesSet = true;
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std::string path = arg.substr(2);
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this->SetHomeOutputDirectory(path.c_str());
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}
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else if(arg.find("-V",0) == 0)
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{
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m_Verbose = true;
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}
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else if(arg.find("-D",0) == 0)
{
// skip for now
}
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else if(arg.find("-C",0) == 0)
{
// skip for now
}
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else if(arg.find("-G",0) == 0)
{
std::string value = arg.substr(2);
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cmGlobalGenerator* gen =
this->CreateGlobalGenerator(value.c_str());
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if(!gen)
{
cmSystemTools::Error("Could not create named generator ",
value.c_str());
}
else
{
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this->SetGlobalGenerator(gen);
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}
}
// no option assume it is the path to the source
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else
{
directoriesSet = true;
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this->SetHomeOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetStartOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetHomeDirectory
(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
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this->SetStartDirectory
(cmSystemTools::CollapseFullPath(arg.c_str()).c_str());
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}
}
if(!directoriesSet)
{
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this->SetHomeOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetStartOutputDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetHomeDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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this->SetStartDirectory
(cmSystemTools::GetCurrentWorkingDirectory().c_str());
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}
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if (!m_Local)
{
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this->SetStartDirectory(this->GetHomeDirectory());
this->SetStartOutputDirectory(this->GetHomeOutputDirectory());
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}
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}
// at the end of this CMAKE_ROOT and CMAKE_COMMAND should be added to the cache
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int cmake::AddCMakePaths(const char *arg0)
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{
// Find our own executable.
std::vector<cmStdString> failures;
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std::string cMakeSelf = arg0;
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cmSystemTools::ConvertToUnixSlashes(cMakeSelf);
failures.push_back(cMakeSelf);
cMakeSelf = cmSystemTools::FindProgram(cMakeSelf.c_str());
if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
#ifdef CMAKE_BUILD_DIR
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std::string intdir = ".";
#ifdef CMAKE_INTDIR
intdir = CMAKE_INTDIR;
#endif
cMakeSelf = CMAKE_BUILD_DIR;
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cMakeSelf += "/bin/";
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cMakeSelf += intdir;
cMakeSelf += "/cmake";
cMakeSelf += cmSystemTools::GetExecutableExtension();
#endif
}
#ifdef CMAKE_PREFIX
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if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
failures.push_back(cMakeSelf);
cMakeSelf = CMAKE_PREFIX "/bin/cmake";
}
#endif
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if(!cmSystemTools::FileExists(cMakeSelf.c_str()))
{
failures.push_back(cMakeSelf);
cmOStringStream msg;
msg << "CMAKE can not find the command line program cmake.\n";
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msg << " argv[0] = \"" << arg0 << "\"\n";
msg << " Attempted paths:\n";
std::vector<cmStdString>::iterator i;
for(i=failures.begin(); i != failures.end(); ++i)
{
msg << " \"" << i->c_str() << "\"\n";
}
cmSystemTools::Error(msg.str().c_str());
return 0;
}
// Save the value in the cache
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this->m_CacheManager->AddCacheEntry
("CMAKE_COMMAND",cMakeSelf.c_str(), "Path to CMake executable.",
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cmCacheManager::INTERNAL);
// Find and save the command to edit the cache
std::string editCacheCommand = cmSystemTools::GetFilenamePath(cMakeSelf) +
"/ccmake" + cmSystemTools::GetFilenameExtension(cMakeSelf);
if( !cmSystemTools::FileExists(editCacheCommand.c_str()))
{
editCacheCommand = cmSystemTools::GetFilenamePath(cMakeSelf) +
"/CMakeSetup" + cmSystemTools::GetFilenameExtension(cMakeSelf);
}
if(cmSystemTools::FileExists(editCacheCommand.c_str()))
{
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this->m_CacheManager->AddCacheEntry
("CMAKE_EDIT_COMMAND", editCacheCommand.c_str(),
"Path to cache edit program executable.", cmCacheManager::INTERNAL);
}
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// do CMAKE_ROOT, look for the environment variable first
std::string cMakeRoot;
std::string modules;
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if (getenv("CMAKE_ROOT"))
{
cMakeRoot = getenv("CMAKE_ROOT");
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
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}
if(!cmSystemTools::FileExists(modules.c_str()))
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{
// next try exe/..
cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
std::string::size_type slashPos = cMakeRoot.rfind("/");
if(slashPos != std::string::npos)
{
cMakeRoot = cMakeRoot.substr(0, slashPos);
}
// is there no Modules direcory there?
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
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if (!cmSystemTools::FileExists(modules.c_str()))
{
// try exe/../share/cmake
cMakeRoot += CMAKE_DATA_DIR;
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
#ifdef CMAKE_ROOT_DIR
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if (!cmSystemTools::FileExists(modules.c_str()))
{
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// try compiled in root directory
cMakeRoot = CMAKE_ROOT_DIR;
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
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#endif
#ifdef CMAKE_PREFIX
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if (!cmSystemTools::FileExists(modules.c_str()))
{
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// try compiled in install prefix
cMakeRoot = CMAKE_PREFIX CMAKE_DATA_DIR;
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
#endif
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if (!cmSystemTools::FileExists(modules.c_str()))
{
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// try
cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
cMakeRoot += CMAKE_DATA_DIR;
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
if(!cmSystemTools::FileExists(modules.c_str()))
{
// next try exe
cMakeRoot = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
// is there no Modules direcory there?
modules = cMakeRoot + "/Modules/CMakeDefaultMakeRuleVariables.cmake";
}
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if (!cmSystemTools::FileExists(modules.c_str()))
{
// couldn't find modules
cmSystemTools::Error("Could not find CMAKE_ROOT !!!\n",
"Modules directory not in directory:\n",
modules.c_str());
return 0;
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}
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this->m_CacheManager->AddCacheEntry
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("CMAKE_ROOT", cMakeRoot.c_str(),
"Path to CMake installation.", cmCacheManager::INTERNAL);
#ifdef _WIN32
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std::string comspec = "cmw9xcom.exe";
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cmSystemTools::SetWindows9xComspecSubstitute(comspec.c_str());
#endif
return 1;
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}
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void CMakeCommandUsage(const char* program)
{
cmOStringStream errorStream;
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errorStream
<< "cmake version " << cmMakefile::GetMajorVersion()
<< "." << cmMakefile::GetMinorVersion() << "\n";
errorStream
<< "Usage: " << program << " -E [command] [arguments ...]\n"
<< "Available commands: \n"
<< " chdir dir cmd [args]... - run command in a given directory\n"
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<< " copy file destination - copy file to destination (either file or directory)\n"
<< " copy_if_different in-file out-file - copy file if input has changed\n"
<< " echo [string]... - displays arguments as text\n"
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<< " remove file1 file2 ... - remove the file(s)\n"
<< " time command [args] ... - run command and return elapsed time\n";
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#if defined(_WIN32) && !defined(__CYGWIN__)
errorStream
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<< " write_regv key value - write registry value\n"
<< " delete_regv key - delete registry value\n"
<< " comspec - on windows 9x use this for RunCommand\n";
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#endif
cmSystemTools::Error(errorStream.str().c_str());
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}
int cmake::CMakeCommand(std::vector<std::string>& args)
{
if (args.size() > 1)
{
// Copy file
if (args[1] == "copy" && args.size() == 4)
{
cmSystemTools::cmCopyFile(args[2].c_str(), args[3].c_str());
return cmSystemTools::GetErrorOccuredFlag();
}
// Copy file if different.
if (args[1] == "copy_if_different" && args.size() == 4)
{
cmSystemTools::CopyFileIfDifferent(args[2].c_str(), args[3].c_str());
return cmSystemTools::GetErrorOccuredFlag();
}
// Echo string
else if (args[1] == "echo" )
{
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unsigned int cc;
for ( cc = 2; cc < args.size(); cc ++ )
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{
std::cout << args[cc] << " ";
}
std::cout << std::endl;
return 0;
}
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// Remove file
else if (args[1] == "remove" && args.size() > 2)
{
for (std::string::size_type cc = 2; cc < args.size(); cc ++)
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{
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if(args[cc] != "-f")
{
if(args[cc] == "\\-f")
{
args[cc] = "-f";
}
cmSystemTools::RemoveFile(args[cc].c_str());
}
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}
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return 0;
}
// Clock command
else if (args[1] == "time" && args.size() > 2)
{
std::string command = args[2];
std::string output;
for (std::string::size_type cc = 3; cc < args.size(); cc ++)
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{
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command += " ";
command += args[cc];
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}
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clock_t clock_start, clock_finish;
time_t time_start, time_finish;
time(&time_start);
clock_start = clock();
cmSystemTools::RunCommand(command.c_str(), output, 0, true);
clock_finish = clock();
time(&time_finish);
std::cout << output.c_str();
double clocks_per_sec = (double)CLOCKS_PER_SEC;
std::cout << "Elapsed time: "
<< (long)(time_finish - time_start) << " s. (time)"
<< ", "
<< (double)(clock_finish - clock_start) / clocks_per_sec
<< " s. (clock)"
<< "\n";
return 0;
}
// Clock command
else if (args[1] == "chdir" && args.size() >= 4)
{
std::string directory = args[2];
std::string command = args[3];
std::string output;
for (std::string::size_type cc = 4; cc < args.size(); cc ++)
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{
command += " ";
command += args[cc];
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}
int retval = 0;
if ( cmSystemTools::RunCommand(command.c_str(), output, retval,
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directory.c_str(), false) )
{
std::cout << output.c_str();
return retval;
}
return 1;
}
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#if defined(_WIN32) && !defined(__CYGWIN__)
// Write registry value
else if (args[1] == "write_regv" && args.size() > 3)
{
return cmSystemTools::WriteRegistryValue(args[2].c_str(),
args[3].c_str()) ? 0 : 1;
}
// Delete registry value
else if (args[1] == "delete_regv" && args.size() > 2)
{
return cmSystemTools::DeleteRegistryValue(args[2].c_str()) ? 0 : 1;
}
// Remove file
else if (args[1] == "comspec" && args.size() > 2)
{
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unsigned int cc;
std::string command = args[2];
for ( cc = 3; cc < args.size(); cc ++ )
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{
command += " " + args[cc];
}
return cmWin32ProcessExecution::Windows9xHack(command.c_str());
}
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#endif
}
::CMakeCommandUsage(args[0].c_str());
return 1;
}
void cmake::GetRegisteredGenerators(std::vector<std::string>& names)
{
for(RegisteredGeneratorsMap::const_iterator i = m_Generators.begin();
i != m_Generators.end(); ++i)
{
names.push_back(i->first);
}
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}
cmGlobalGenerator* cmake::CreateGlobalGenerator(const char* name)
{
RegisteredGeneratorsMap::const_iterator i = m_Generators.find(name);
if(i != m_Generators.end())
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{
cmGlobalGenerator* generator = (i->second)();
generator->SetCMakeInstance(this);
return generator;
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}
else
{
return 0;
}
}
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void cmake::SetHomeDirectory(const char* dir)
{
m_cmHomeDirectory = dir;
cmSystemTools::ConvertToUnixSlashes(m_cmHomeDirectory);
}
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void cmake::SetHomeOutputDirectory(const char* lib)
{
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m_HomeOutputDirectory = lib;
cmSystemTools::ConvertToUnixSlashes(m_HomeOutputDirectory);
}
void cmake::SetGlobalGenerator(cmGlobalGenerator *gg)
{
// delete the old generator
if (m_GlobalGenerator)
{
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delete m_GlobalGenerator;
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// restore the original environment variables CXX and CC
// Restor CC
static char envCC[5000];
std::string env = "CC=";
if(m_CCEnvironment)
{
env += m_CCEnvironment;
}
std::string::size_type size = env.size();
if(size > 4999)
{
size = 4999;
}
strncpy(envCC, env.c_str(), size);
envCC[4999] = 0;
putenv(envCC);
// Restore CXX
static char envCXX[5000];
env = "CXX=";
if(m_CXXEnvironment)
{
env += m_CXXEnvironment;
}
size = env.size();
if(size > 4999)
{
size = 4999;
}
strncpy(envCXX, env.c_str(), size);
envCXX[4999] = 0;
putenv(envCXX);
}
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// set the new
m_GlobalGenerator = gg;
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// Save the environment variables CXX and CC
m_CXXEnvironment = getenv("CXX");
m_CCEnvironment = getenv("CC");
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// set the cmake instance just to be sure
gg->SetCMakeInstance(this);
}
int cmake::DoPreConfigureChecks()
{
// Make sure the Start directory contains a CMakeLists.txt file.
std::string srcList = this->GetHomeDirectory();
srcList += "/CMakeLists.txt";
if(!cmSystemTools::FileExists(srcList.c_str()))
{
cmSystemTools::Error(
"The source directory does not appear to contain CMakeLists.txt.\n"
"Specify --help for usage.");
return -2;
}
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// do a sanity check on some values
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if(m_CacheManager->GetCacheValue("CMAKE_HOME_DIRECTORY"))
{
std::string cacheStart =
m_CacheManager->GetCacheValue("CMAKE_HOME_DIRECTORY");
cacheStart += "/CMakeLists.txt";
std::string currentStart = this->GetHomeDirectory();
currentStart += "/CMakeLists.txt";
if(!cmSystemTools::SameFile(cacheStart.c_str(), currentStart.c_str()))
{
std::string message = "Error: source : ";
message += currentStart;
message += "\nDoes not match source used to generate cache: ";
message += cacheStart;
message += "\nRe-run cmake with a different source directory.";
cmSystemTools::Error(message.c_str());
return -2;
}
}
else
{
return 0;
}
return 1;
}
int cmake::Configure()
{
int res = this->DoPreConfigureChecks();
if ( res < 0 )
{
return -2;
}
if ( !res )
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{
m_CacheManager->AddCacheEntry("CMAKE_HOME_DIRECTORY",
this->GetHomeDirectory(),
"Start directory with the top level CMakeLists.txt file for this project",
cmCacheManager::INTERNAL);
}
// set the default BACKWARDS compatibility to the current version
if(!m_CacheManager->GetCacheValue("CMAKE_BACKWARDS_COMPATIBILITY"))
{
char ver[256];
sprintf(ver,"%i.%i",cmMakefile::GetMajorVersion(),
cmMakefile::GetMinorVersion());
this->m_CacheManager->AddCacheEntry
("CMAKE_BACKWARDS_COMPATIBILITY",ver,
"For backwards compatibility, what version of CMake commands and syntax should this version of CMake allow.",
cmCacheManager::STRING);
}
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// no generator specified on the command line
if(!m_GlobalGenerator)
{
const char* genName = m_CacheManager->GetCacheValue("CMAKE_GENERATOR");
if(genName)
{
m_GlobalGenerator = this->CreateGlobalGenerator(genName);
}
else
{
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#if defined(__BORLANDC__) && defined(_WIN32)
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this->SetGlobalGenerator(new cmGlobalBorlandMakefileGenerator);
#elif defined(_WIN32) && !defined(__CYGWIN__)
this->SetGlobalGenerator(new cmGlobalVisualStudio6Generator);
#else
this->SetGlobalGenerator(new cmGlobalUnixMakefileGenerator);
#endif
}
if(!m_GlobalGenerator)
{
cmSystemTools::Error("Could not create generator");
return -1;
}
}
const char* genName = m_CacheManager->GetCacheValue("CMAKE_GENERATOR");
if(genName)
{
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if(strcmp(m_GlobalGenerator->GetName(), genName) != 0)
{
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std::string message = "Error: generator : ";
message += m_GlobalGenerator->GetName();
message += "\nDoes not match the generator used previously: ";
message += genName;
message +=
"\nEither remove the CMakeCache.txt file or choose a different"
" binary directory.";
cmSystemTools::Error(message.c_str());
return -2;
}
}
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if(!m_CacheManager->GetCacheValue("CMAKE_GENERATOR"))
{
m_CacheManager->AddCacheEntry("CMAKE_GENERATOR", m_GlobalGenerator->GetName(),
"Name of generator.",
cmCacheManager::INTERNAL);
}
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// reset any system configuration information, except for when we are
// InTryCompile. With TryCompile the system info is taken from the parent's
// info to save time
if (!m_InTryCompile)
{
m_GlobalGenerator->ClearEnabledLanguages();
}
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// actually do the configure
m_GlobalGenerator->Configure();
// Before saving the cache
// if the project did not define one of the entries below, add them now
// so users can edit the values in the cache:
// LIBRARY_OUTPUT_PATH
// EXECUTABLE_OUTPUT_PATH
if(!m_CacheManager->GetCacheValue("LIBRARY_OUTPUT_PATH"))
{
m_CacheManager->AddCacheEntry("LIBRARY_OUTPUT_PATH", "",
"Single output directory for building all libraries.",
cmCacheManager::PATH);
}
if(!m_CacheManager->GetCacheValue("EXECUTABLE_OUTPUT_PATH"))
{
m_CacheManager->AddCacheEntry("EXECUTABLE_OUTPUT_PATH", "",
"Single output directory for building all executables.",
cmCacheManager::PATH);
}
if(cmSystemTools::GetFatalErrorOccured() &&
(!this->m_CacheManager->GetCacheValue("CMAKE_MAKE_PROGRAM") ||
cmSystemTools::IsOff(this->m_CacheManager->GetCacheValue("CMAKE_MAKE_PROGRAM"))))
{
// We must have a bad generator selection. Wipe the cache entry so the
// user can select another.
m_CacheManager->RemoveCacheEntry("CMAKE_GENERATOR");
}
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this->m_CacheManager->SaveCache(this->GetHomeOutputDirectory());
if(cmSystemTools::GetErrorOccuredFlag())
{
return -1;
}
return 0;
}
bool cmake::CacheVersionMatches()
{
const char* majv = m_CacheManager->GetCacheValue("CMAKE_CACHE_MAJOR_VERSION");
const char* minv = m_CacheManager->GetCacheValue("CMAKE_CACHE_MINOR_VERSION");
const char* relv = m_CacheManager->GetCacheValue("CMAKE_CACHE_RELEASE_VERSION");
bool cacheSameCMake = false;
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if(majv &&
atoi(majv) == static_cast<int>(cmMakefile::GetMajorVersion())
&& minv &&
atoi(minv) == static_cast<int>(cmMakefile::GetMinorVersion())
&& relv && (strcmp(relv, cmMakefile::GetReleaseVersion()) == 0))
{
cacheSameCMake = true;
}
return cacheSameCMake;
}
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// handle a command line invocation
int cmake::Run(const std::vector<std::string>& args, bool noconfigure)
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{
// Process the arguments
this->SetArgs(args);
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// set the cmake command
m_CMakeCommand = args[0];
// load the cache
if(this->LoadCache() < 0)
{
cmSystemTools::Error("Error executing cmake::LoadCache(). Aborting.\n");
return -1;
}
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// Add any cache args
this->SetCacheArgs(args);
std::string systemFile = this->GetHomeOutputDirectory();
systemFile += "/CMakeSystem.cmake";
if ( noconfigure )
{
return 0;
}
int ret = 0;
// if not local or the cmake version has changed since the last run
// of cmake, or CMakeSystem.cmake file is not in the root binary
// directory, run a global generate
if(!m_Local || !this->CacheVersionMatches() ||
!cmSystemTools::FileExists(systemFile.c_str()) )
{
// If we are doing global generate, we better set start and start
// output directory to the root of the project.
std::string oldstartdir = this->GetStartDirectory();
std::string oldstartoutputdir = this->GetStartOutputDirectory();
this->SetStartDirectory(this->GetHomeDirectory());
this->SetStartOutputDirectory(this->GetHomeOutputDirectory());
bool saveLocalFlag = m_Local;
m_Local = false;
ret = this->Configure();
if (ret)
{
return ret;
}
ret = this->Generate();
if(ret)
{
return ret;
}
m_Local = saveLocalFlag;
this->SetStartDirectory(oldstartdir.c_str());
this->SetStartOutputDirectory(oldstartoutputdir.c_str());
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}
// if we are local do the local thing
if (m_Local)
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{
ret = this->LocalGenerate();
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}
return ret;
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}
int cmake::Generate()
{
m_GlobalGenerator->Generate();
if(cmSystemTools::GetErrorOccuredFlag())
{
return -1;
}
return 0;
}
int cmake::LocalGenerate()
{
// Read in the cache
m_CacheManager->LoadCache(this->GetHomeOutputDirectory());
// create the generator based on the cache if it isn't already there
const char* genName = m_CacheManager->GetCacheValue("CMAKE_GENERATOR");
if(genName)
{
m_GlobalGenerator = this->CreateGlobalGenerator(genName);
}
else
{
cmSystemTools::Error("Could local Generate called without the GENERATOR being specified in the CMakeCache");
return -1;
}
// do the local generate
m_GlobalGenerator->LocalGenerate();
if(cmSystemTools::GetErrorOccuredFlag())
{
return -1;
}
return 0;
}
unsigned int cmake::GetMajorVersion()
{
return cmMakefile::GetMajorVersion();
}
unsigned int cmake::GetMinorVersion()
{
return cmMakefile::GetMinorVersion();
}
const char *cmake::GetReleaseVersion()
{
return cmMakefile::GetReleaseVersion();
}
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void cmake::AddCacheEntry(const char* key, const char* value,
const char* helpString,
int type)
{
m_CacheManager->AddCacheEntry(key, value,
helpString,
cmCacheManager::CacheEntryType(type));
}
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const char* cmake::GetCacheDefinition(const char* name) const
{
return m_CacheManager->GetCacheValue(name);
}
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int cmake::DumpDocumentationToFile(std::ostream& f)
{
// Loop over all registered commands and print out documentation
const char *name;
const char *terse;
const char *full;
char tmp[1024];
sprintf(tmp,"Version %d.%d", cmake::GetMajorVersion(),
cmake::GetMinorVersion());
f << "<html>\n";
f << "<h1>Documentation for commands of CMake " << tmp << "</h1>\n";
f << "<ul>\n";
for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
name = (*j).second->GetName();
terse = (*j).second->GetTerseDocumentation();
full = (*j).second->GetFullDocumentation();
f << "<li><b>" << name << "</b> - " << terse << std::endl
<< "<br><i>Usage:</i> " << full << "</li>" << std::endl << std::endl;
}
f << "</ul></html>\n";
return 1;
}
void cmake::AddDefaultCommands()
{
std::list<cmCommand*> commands;
GetPredefinedCommands(commands);
for(std::list<cmCommand*>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->AddCommand(*i);
}
}
void cmake::AddDefaultGenerators()
{
#if defined(_WIN32) && !defined(__CYGWIN__)
m_Generators[cmGlobalVisualStudio6Generator::GetActualName()] =
&cmGlobalVisualStudio6Generator::New;
m_Generators[cmGlobalVisualStudio7Generator::GetActualName()] =
&cmGlobalVisualStudio7Generator::New;
m_Generators[cmGlobalVisualStudio71Generator::GetActualName()] =
&cmGlobalVisualStudio71Generator::New;
m_Generators[cmGlobalBorlandMakefileGenerator::GetActualName()] =
&cmGlobalBorlandMakefileGenerator::New;
m_Generators[cmGlobalNMakeMakefileGenerator::GetActualName()] =
&cmGlobalNMakeMakefileGenerator::New;
#else
# if defined(__APPLE__) && defined(CMAKE_BUILD_WITH_CMAKE)
m_Generators[cmGlobalCodeWarriorGenerator::GetActualName()] =
&cmGlobalCodeWarriorGenerator::New;
# endif
m_Generators[cmGlobalUnixMakefileGenerator::GetActualName()] =
&cmGlobalUnixMakefileGenerator::New;
#endif
}
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int cmake::LoadCache()
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{
m_CacheManager->LoadCache(this->GetHomeOutputDirectory());
if (m_CMakeCommand.size() < 2)
{
cmSystemTools::Error("cmake command was not specified prior to loading the cache in cmake.cxx");
return -1;
}
// setup CMAKE_ROOT and CMAKE_COMMAND
if(!this->AddCMakePaths(m_CMakeCommand.c_str()))
{
return -3;
}
// set the default BACKWARDS compatibility to the current version
if(!m_CacheManager->GetCacheValue("CMAKE_BACKWARDS_COMPATIBILITY"))
{
char ver[256];
sprintf(ver,"%i.%i",cmMakefile::GetMajorVersion(),
cmMakefile::GetMinorVersion());
this->m_CacheManager->AddCacheEntry
("CMAKE_BACKWARDS_COMPATIBILITY",ver,
"For backwards compatibility, what version of CMake commands and syntax should this version of CMake allow.",
cmCacheManager::STRING);
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}
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return 0;
}
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void cmake::SetProgressCallback(ProgressCallback f, void *cd)
{
m_ProgressCallback = f;
m_ProgressCallbackClientData = cd;
}
void cmake::UpdateProgress(const char *msg, float prog)
{
if(m_ProgressCallback && !m_InTryCompile)
{
(*m_ProgressCallback)(msg, prog, m_ProgressCallbackClientData);
return;
}
}
void cmake::GetCommandDocumentation(std::vector<cmDocumentationEntry>& v) const
{
for(RegisteredCommandsMap::const_iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
cmDocumentationEntry e =
{
(*j).second->GetName(),
(*j).second->GetTerseDocumentation(),
(*j).second->GetFullDocumentation()
};
v.push_back(e);
}
cmDocumentationEntry empty = {0,0,0};
v.push_back(empty);
}
void cmake::GetGeneratorDocumentation(std::vector<cmDocumentationEntry>& v)
{
for(RegisteredGeneratorsMap::const_iterator i = m_Generators.begin();
i != m_Generators.end(); ++i)
{
cmDocumentationEntry e;
cmGlobalGenerator* generator = (i->second)();
generator->GetDocumentation(e);
delete generator;
v.push_back(e);
}
cmDocumentationEntry empty = {0,0,0};
v.push_back(empty);
}