CMake/Source/cmake.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt 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 License for more information.
============================================================================*/
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#ifndef cmake_h
#define cmake_h
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#include "cmSystemTools.h"
#include "cmPropertyDefinitionMap.h"
#include "cmPropertyMap.h"
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class cmGlobalGeneratorFactory;
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class cmGlobalGenerator;
class cmLocalGenerator;
class cmCacheManager;
class cmMakefile;
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class cmCommand;
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class cmVariableWatch;
class cmFileTimeComparison;
class cmExternalMakefileProjectGenerator;
class cmDocumentationSection;
class cmPolicies;
class cmListFileBacktrace;
class cmTarget;
class cmGeneratedFileStream;
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/** \brief Represents a cmake invocation.
*
* This class represents a cmake invocation. It is the top level class when
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* running cmake. Most cmake based GUIs should primarily create an instance
* of this class and communicate with it.
*
* The basic process for a GUI is as follows:
*
* -# Create a cmake instance
* -# Set the Home & Start directories, generator, and cmake command. this
* can be done using the Set methods or by using SetArgs and passing in
* command line arguments.
* -# Load the cache by calling LoadCache (duh)
* -# if you are using command line arguments with -D or -C flags then
* call SetCacheArgs (or if for some other reason you want to modify the
* cache), do it now.
* -# Finally call Configure
* -# Let the user change values and go back to step 5
* -# call Generate
* If your GUI allows the user to change the start & home directories then
* you must at a minimum redo steps 2 through 7.
*/
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class cmake
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{
public:
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enum MessageType
{ AUTHOR_WARNING,
FATAL_ERROR,
INTERNAL_ERROR,
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MESSAGE,
WARNING,
LOG,
DEPRECATION_ERROR,
DEPRECATION_WARNING
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};
/** \brief Describes the working modes of cmake */
enum WorkingMode
{
NORMAL_MODE, ///< Cmake runs to create project files
/** \brief Script mode (started by using -P).
*
* In script mode there is no generator and no cache. Also,
* languages are not enabled, so add_executable and things do
* nothing.
*/
SCRIPT_MODE,
/** \brief A pkg-config like mode
*
* In this mode cmake just searches for a package and prints the results to
* stdout. This is similar to SCRIPT_MODE, but commands like add_library()
* work too, since they may be used e.g. in exported target files. Started
* via --find-package.
*/
FIND_PACKAGE_MODE
};
typedef std::map<cmStdString, cmCommand*> RegisteredCommandsMap;
/// Default constructor
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cmake();
/// Destructor
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~cmake();
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static const char *GetCMakeFilesDirectory() {return "/CMakeFiles";};
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static const char *GetCMakeFilesDirectoryPostSlash() {
return "CMakeFiles/";};
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//@{
/**
* Set/Get the home directory (or output directory) in the project. The
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* home directory is the top directory of the project. It is the
* path-to-source cmake was run with. Remember that CMake processes
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* CMakeLists files by recursing up the tree starting at the StartDirectory
* and going up until it reaches the HomeDirectory.
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*/
void SetHomeDirectory(const char* dir);
const char* GetHomeDirectory() const
{
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return this->cmHomeDirectory.c_str();
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}
void SetHomeOutputDirectory(const char* lib);
const char* GetHomeOutputDirectory() const
{
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return this->HomeOutputDirectory.c_str();
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}
//@}
//@{
/**
* Set/Get the start directory (or output directory). The start directory
* is the directory of the CMakeLists.txt file that started the current
* round of processing. Remember that CMake processes CMakeLists files by
* recursing up the tree starting at the StartDirectory and going up until
* it reaches the HomeDirectory.
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*/
void SetStartDirectory(const char* dir)
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{
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this->cmStartDirectory = dir;
cmSystemTools::ConvertToUnixSlashes(this->cmStartDirectory);
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}
const char* GetStartDirectory() const
{
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return this->cmStartDirectory.c_str();
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}
void SetStartOutputDirectory(const char* lib)
{
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this->StartOutputDirectory = lib;
cmSystemTools::ConvertToUnixSlashes(this->StartOutputDirectory);
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}
const char* GetStartOutputDirectory() const
{
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return this->StartOutputDirectory.c_str();
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}
//@}
/**
* Handle a command line invocation of cmake.
*/
int Run(const std::vector<std::string>&args)
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{ return this->Run(args, false); }
int Run(const std::vector<std::string>&args, bool noconfigure);
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/**
* Run the global generator Generate step.
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*/
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int Generate();
/**
* Configure the cmMakefiles. This routine will create a GlobalGenerator if
* one has not already been set. It will then Call Configure on the
* GlobalGenerator. This in turn will read in an process all the CMakeList
* files for the tree. It will not produce any actual Makefiles, or
* workspaces. Generate does that. */
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int Configure();
int ActualConfigure();
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int LoadCache();
void PreLoadCMakeFiles();
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///! Create a GlobalGenerator
cmGlobalGenerator* CreateGlobalGenerator(const char* name);
///! Return the global generator assigned to this instance of cmake
cmGlobalGenerator* GetGlobalGenerator() { return this->GlobalGenerator; }
///! Return the global generator assigned to this instance of cmake, const
const cmGlobalGenerator* GetGlobalGenerator() const
{ return this->GlobalGenerator; }
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///! Return the global generator assigned to this instance of cmake
void SetGlobalGenerator(cmGlobalGenerator *);
///! Get the names of the current registered generators
void GetRegisteredGenerators(std::vector<std::string>& names);
///! Set the name of the selected generator-specific toolset.
void SetGeneratorToolset(std::string const& ts)
{ this->GeneratorToolset = ts; }
///! Get the name of the selected generator-specific toolset.
std::string const& GetGeneratorToolset() const
{ return this->GeneratorToolset; }
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///! get the cmCachemManager used by this invocation of cmake
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cmCacheManager *GetCacheManager() { return this->CacheManager; }
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/**
* Given a variable name, return its value (as a string).
*/
const char* GetCacheDefinition(const char*) const;
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///! Add an entry into the cache
void AddCacheEntry(const char* key, const char* value,
const char* helpString,
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int type);
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/**
* Get the system information and write it to the file specified
*/
int GetSystemInformation(std::vector<std::string>&);
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/**
* Add a command to this cmake instance
*/
void AddCommand(cmCommand* );
void RenameCommand(const char* oldName, const char* newName);
void RemoveCommand(const char* name);
void RemoveUnscriptableCommands();
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/**
* Get a command by its name
*/
cmCommand *GetCommand(const char *name);
/** Get list of all commands */
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RegisteredCommandsMap* GetCommands() { return &this->Commands; }
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/** Check if a command exists. */
bool CommandExists(const char* name) const;
///! Parse command line arguments
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void SetArgs(const std::vector<std::string>&,
bool directoriesSetBefore = false);
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///! Is this cmake running as a result of a TRY_COMPILE command
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bool GetIsInTryCompile() { return this->InTryCompile; }
///! Is this cmake running as a result of a TRY_COMPILE command
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void SetIsInTryCompile(bool i) { this->InTryCompile = i; }
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///! Parse command line arguments that might set cache values
bool SetCacheArgs(const std::vector<std::string>&);
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typedef void (*ProgressCallbackType)
(const char*msg, float progress, void *);
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/**
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* Set the function used by GUIs to receive progress updates
* Function gets passed: message as a const char*, a progress
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* amount ranging from 0 to 1.0 and client data. The progress
* number provided may be negative in cases where a message is
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* to be displayed without any progress percentage.
*/
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void SetProgressCallback(ProgressCallbackType f, void* clientData=0);
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///! this is called by generators to update the progress
void UpdateProgress(const char *msg, float prog);
///! get the cmake policies instance
cmPolicies *GetPolicies() {return this->Policies;} ;
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///! Get the variable watch object
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cmVariableWatch* GetVariableWatch() { return this->VariableWatch; }
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void GetGeneratorDocumentation(std::vector<cmDocumentationEntry>&);
///! Set/Get a property of this target file
void SetProperty(const char *prop, const char *value);
void AppendProperty(const char *prop, const char *value,bool asString=false);
const char *GetProperty(const char *prop);
const char *GetProperty(const char *prop, cmProperty::ScopeType scope);
bool GetPropertyAsBool(const char *prop);
// Get the properties
cmPropertyMap &GetProperties() { return this->Properties; };
///! Do all the checks before running configure
int DoPreConfigureChecks();
void SetWorkingMode(WorkingMode mode) { this->CurrentWorkingMode = mode; }
WorkingMode GetWorkingMode() { return this->CurrentWorkingMode; }
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///! Debug the try compile stuff by not deleting the files
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bool GetDebugTryCompile(){return this->DebugTryCompile;}
void DebugTryCompileOn(){this->DebugTryCompile = true;}
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/**
* Generate CMAKE_ROOT and CMAKE_COMMAND cache entries
*/
int AddCMakePaths();
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/**
* Get the file comparison class
*/
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cmFileTimeComparison* GetFileComparison() { return this->FileComparison; }
// Do we want debug output during the cmake run.
bool GetDebugOutput() { return this->DebugOutput; }
void SetDebugOutputOn(bool b) { this->DebugOutput = b;}
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// Do we want trace output during the cmake run.
bool GetTrace() { return this->Trace;}
void SetTrace(bool b) { this->Trace = b;}
bool GetWarnUninitialized() { return this->WarnUninitialized;}
void SetWarnUninitialized(bool b) { this->WarnUninitialized = b;}
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bool GetWarnUnused() { return this->WarnUnused;}
void SetWarnUnused(bool b) { this->WarnUnused = b;}
bool GetWarnUnusedCli() { return this->WarnUnusedCli;}
void SetWarnUnusedCli(bool b) { this->WarnUnusedCli = b;}
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bool GetCheckSystemVars() { return this->CheckSystemVars;}
void SetCheckSystemVars(bool b) { this->CheckSystemVars = b;}
void MarkCliAsUsed(const std::string& variable);
// Define a property
void DefineProperty(const char *name, cmProperty::ScopeType scope,
const char *ShortDescription,
const char *FullDescription,
bool chain = false);
// get property definition
cmPropertyDefinition *GetPropertyDefinition
(const char *name, cmProperty::ScopeType scope);
// Is a property defined?
bool IsPropertyDefined(const char *name, cmProperty::ScopeType scope);
bool IsPropertyChained(const char *name, cmProperty::ScopeType scope);
/** Get the list of configurations (in upper case) considered to be
debugging configurations.*/
std::vector<std::string> const& GetDebugConfigs();
void SetCMakeEditCommand(std::string const& s)
{ this->CMakeEditCommand = s; }
std::string const& GetCMakeEditCommand() const
{ return this->CMakeEditCommand; }
void SetSuppressDevWarnings(bool v)
{
this->SuppressDevWarnings = v;
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this->DoSuppressDevWarnings = true;
}
/** Display a message to the user. */
void IssueMessage(cmake::MessageType t, std::string const& text,
cmListFileBacktrace const& backtrace);
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///! run the --build option
int Build(const std::string& dir,
const std::string& target,
const std::string& config,
const std::vector<std::string>& nativeOptions,
bool clean);
void UnwatchUnusedCli(const char* var);
void WatchUnusedCli(const char* var);
protected:
void RunCheckForUnusedVariables();
void InitializeProperties();
int HandleDeleteCacheVariables(const char* var);
cmPropertyMap Properties;
std::set<std::pair<cmStdString,cmProperty::ScopeType> > AccessedProperties;
std::map<cmProperty::ScopeType, cmPropertyDefinitionMap>
PropertyDefinitions;
typedef
cmExternalMakefileProjectGenerator* (*CreateExtraGeneratorFunctionType)();
typedef std::map<cmStdString,
CreateExtraGeneratorFunctionType> RegisteredExtraGeneratorsMap;
typedef std::vector<cmGlobalGeneratorFactory*> RegisteredGeneratorsVector;
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RegisteredCommandsMap Commands;
RegisteredGeneratorsVector Generators;
RegisteredExtraGeneratorsMap ExtraGenerators;
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void AddDefaultCommands();
void AddDefaultGenerators();
void AddDefaultExtraGenerators();
void AddExtraGenerator(const char* name,
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CreateExtraGeneratorFunctionType newFunction);
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cmPolicies *Policies;
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cmGlobalGenerator *GlobalGenerator;
cmCacheManager *CacheManager;
std::string cmHomeDirectory;
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std::string HomeOutputDirectory;
std::string cmStartDirectory;
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std::string StartOutputDirectory;
bool SuppressDevWarnings;
bool DoSuppressDevWarnings;
std::string GeneratorToolset;
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///! read in a cmake list file to initialize the cache
void ReadListFile(const std::vector<std::string>& args, const char *path);
bool FindPackage(const std::vector<std::string>& args);
///! Check if CMAKE_CACHEFILE_DIR is set. If it is not, delete the log file.
/// If it is set, truncate it to 50kb
void TruncateOutputLog(const char* fname);
/**
* Method called to check build system integrity at build time.
* Returns 1 if CMake should rerun and 0 otherwise.
*/
int CheckBuildSystem();
void SetDirectoriesFromFile(const char* arg);
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//! Make sure all commands are what they say they are and there is no
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/// macros.
void CleanupCommandsAndMacros();
void GenerateGraphViz(const char* fileName) const;
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cmVariableWatch* VariableWatch;
private:
cmake(const cmake&); // Not implemented.
void operator=(const cmake&); // Not implemented.
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ProgressCallbackType ProgressCallback;
void* ProgressCallbackClientData;
bool Verbose;
bool InTryCompile;
WorkingMode CurrentWorkingMode;
bool DebugOutput;
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bool Trace;
bool WarnUninitialized;
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bool WarnUnused;
bool WarnUnusedCli;
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bool CheckSystemVars;
std::map<cmStdString, bool> UsedCliVariables;
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std::string CMakeEditCommand;
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std::string CXXEnvironment;
std::string CCEnvironment;
std::string CheckBuildSystemArgument;
std::string CheckStampFile;
std::string CheckStampList;
std::string VSSolutionFile;
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bool ClearBuildSystem;
bool DebugTryCompile;
cmFileTimeComparison* FileComparison;
std::string GraphVizFile;
std::vector<std::string> DebugConfigs;
void UpdateConversionPathTable();
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};
#define CMAKE_STANDARD_OPTIONS_TABLE \
{"-C <initial-cache>", "Pre-load a script to populate the cache."}, \
{"-D <var>:<type>=<value>", "Create a cmake cache entry."}, \
{"-U <globbing_expr>", "Remove matching entries from CMake cache."}, \
{"-G <generator-name>", "Specify a build system generator."},\
{"-T <toolset-name>", "Specify toolset name if supported by generator."}, \
{"-Wno-dev", "Suppress developer warnings."},\
{"-Wdev", "Enable developer warnings."}
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#endif