CMake/Source/cmLocalGenerator.h

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Simplify CMake per-source license notices Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmLocalGenerator_h
#define cmLocalGenerator_h
#include <cmConfigure.h>
#include <cm_kwiml.h>
#include <iosfwd>
#include <map>
#include <set>
#include <string>
#include <vector>
#include "cmListFileCache.h"
#include "cmOutputConverter.h"
#include "cmPolicies.h"
#include "cmStateSnapshot.h"
#include "cmake.h"
class cmComputeLinkInformation;
class cmCustomCommandGenerator;
class cmGeneratorTarget;
class cmGlobalGenerator;
class cmLinkLineComputer;
class cmMakefile;
class cmRulePlaceholderExpander;
class cmSourceFile;
class cmState;
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/** \class cmLocalGenerator
* \brief Create required build files for a directory.
*
* Subclasses of this abstract class generate makefiles, DSP, etc for various
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* platforms. This class should never be constructed directly. A
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* GlobalGenerator will create it and invoke the appropriate commands on it.
*/
class cmLocalGenerator : public cmOutputConverter
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{
public:
cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile);
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virtual ~cmLocalGenerator();
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/**
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* Generate the makefile for this directory.
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*/
virtual void Generate() {}
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virtual void ComputeHomeRelativeOutputPath() {}
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/**
* Calls TraceVSDependencies() on all targets of this generator.
*/
void TraceDependencies();
virtual void AddHelperCommands() {}
/**
* Generate the install rules files in this directory.
*/
void GenerateInstallRules();
/**
* Generate the test files for tests.
*/
void GenerateTestFiles();
/**
* Generate a manifest of target files that will be built.
*/
void ComputeTargetManifest();
bool IsRootMakefile() const;
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///! Get the makefile for this generator
cmMakefile* GetMakefile() { return this->Makefile; }
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///! Get the makefile for this generator, const version
const cmMakefile* GetMakefile() const { return this->Makefile; }
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///! Get the GlobalGenerator this is associated with
cmGlobalGenerator* GetGlobalGenerator() { return this->GlobalGenerator; }
const cmGlobalGenerator* GetGlobalGenerator() const
{
return this->GlobalGenerator;
}
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virtual cmRulePlaceholderExpander* CreateRulePlaceholderExpander() const;
std::string GetLinkLibsCMP0065(std::string const& linkLanguage,
cmGeneratorTarget& tgt) const;
cmState* GetState() const;
cmStateSnapshot GetStateSnapshot() const;
void AddArchitectureFlags(std::string& flags,
cmGeneratorTarget const* target,
const std::string& lang,
const std::string& config);
void AddLanguageFlags(std::string& flags, const std::string& lang,
const std::string& config);
void AddCMP0018Flags(std::string& flags, cmGeneratorTarget const* target,
std::string const& lang, const std::string& config);
void AddVisibilityPresetFlags(std::string& flags,
cmGeneratorTarget const* target,
const std::string& lang);
void AddConfigVariableFlags(std::string& flags, const std::string& var,
const std::string& config);
void AddCompilerRequirementFlag(std::string& flags,
cmGeneratorTarget const* target,
const std::string& lang);
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///! Append flags to a string.
virtual void AppendFlags(std::string& flags, const std::string& newFlags);
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virtual void AppendFlags(std::string& flags, const char* newFlags);
virtual void AppendFlagEscape(std::string& flags,
const std::string& rawFlag);
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///! Get the include flags for the current makefile and language
std::string GetIncludeFlags(const std::vector<std::string>& includes,
cmGeneratorTarget* target,
const std::string& lang,
bool forceFullPaths = false,
bool forResponseFile = false,
const std::string& config = "");
const std::vector<cmGeneratorTarget*>& GetGeneratorTargets() const
{
return this->GeneratorTargets;
}
const std::vector<cmGeneratorTarget*>& GetImportedGeneratorTargets() const
{
return this->ImportedGeneratorTargets;
}
void AddGeneratorTarget(cmGeneratorTarget* gt);
void AddImportedGeneratorTarget(cmGeneratorTarget* gt);
void AddOwnedImportedGeneratorTarget(cmGeneratorTarget* gt);
cmGeneratorTarget* FindLocalNonAliasGeneratorTarget(
const std::string& name) const;
cmGeneratorTarget* FindGeneratorTargetToUse(const std::string& name) const;
/**
* Encode a list of preprocessor definitions for the compiler
* command line.
*/
void AppendDefines(std::set<std::string>& defines,
const char* defines_list) const;
void AppendDefines(std::set<std::string>& defines,
std::string const& defines_list) const
{
this->AppendDefines(defines, defines_list.c_str());
}
void AppendDefines(std::set<std::string>& defines,
const std::vector<std::string>& defines_vec) const;
/**
* Join a set of defines into a definesString with a space separator.
*/
void JoinDefines(const std::set<std::string>& defines,
std::string& definesString, const std::string& lang);
/** Lookup and append options associated with a particular feature. */
void AppendFeatureOptions(std::string& flags, const std::string& lang,
const char* feature);
const char* GetFeature(const std::string& feature,
const std::string& config);
/** \brief Get absolute path to dependency \a name
*
* Translate a dependency as given in CMake code to the name to
* appear in a generated build file.
* - If \a name is a utility target, returns false.
* - If \a name is a CMake target, it will be transformed to the real output
* location of that target for the given configuration.
* - If \a name is the full path to a file, it will be returned.
* - Otherwise \a name is treated as a relative path with respect to
* the source directory of this generator. This should only be
* used for dependencies of custom commands.
*/
bool GetRealDependency(const std::string& name, const std::string& config,
std::string& dep);
virtual std::string ConvertToIncludeReference(
std::string const& path,
cmOutputConverter::OutputFormat format = cmOutputConverter::SHELL,
bool forceFullPaths = false);
/** Called from command-line hook to clear dependencies. */
virtual void ClearDependencies(cmMakefile* /* mf */, bool /* verbose */) {}
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/** Called from command-line hook to update dependencies. */
virtual bool UpdateDependencies(const char* /* tgtInfo */, bool /*verbose*/,
bool /*color*/)
{
return true;
}
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/** Get the include flags for the current makefile and language. */
void GetIncludeDirectories(std::vector<std::string>& dirs,
cmGeneratorTarget const* target,
const std::string& lang = "C",
const std::string& config = "",
bool stripImplicitInclDirs = true) const;
void AddCompileOptions(std::string& flags, cmGeneratorTarget* target,
const std::string& lang, const std::string& config);
void AddCompileDefinitions(std::set<std::string>& defines,
cmGeneratorTarget const* target,
const std::string& config,
const std::string& lang) const;
std::string GetProjectName() const;
/** Compute the language used to compile the given source file. */
std::string GetSourceFileLanguage(const cmSourceFile& source);
// Fill the vector with the target names for the object files,
// preprocessed files and assembly files.
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void GetIndividualFileTargets(std::vector<std::string>&) {}
/**
* Get the relative path from the generator output directory to a
* per-target support directory.
*/
virtual std::string GetTargetDirectory(
cmGeneratorTarget const* target) const;
/**
* Get the level of backwards compatibility requested by the project
* in this directory. This is the value of the CMake variable
* CMAKE_BACKWARDS_COMPATIBILITY whose format is
* "major.minor[.patch]". The returned integer is encoded as
*
* CMake_VERSION_ENCODE(major, minor, patch)
*
* and is monotonically increasing with the CMake version.
*/
KWIML_INT_uint64_t GetBackwardsCompatibility();
/**
* Test whether compatibility is set to a given version or lower.
*/
bool NeedBackwardsCompatibility_2_4();
cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id) const;
cmake* GetCMakeInstance() const;
const char* GetSourceDirectory() const;
const char* GetBinaryDirectory() const;
const char* GetCurrentBinaryDirectory() const;
const char* GetCurrentSourceDirectory() const;
/**
* Generate a Mac OS X application bundle Info.plist file.
*/
void GenerateAppleInfoPList(cmGeneratorTarget* target,
const std::string& targetName,
const char* fname);
/**
* Generate a Mac OS X framework Info.plist file.
*/
void GenerateFrameworkInfoPList(cmGeneratorTarget* target,
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const std::string& targetName,
const char* fname);
/** Construct a comment for a custom command. */
std::string ConstructComment(cmCustomCommandGenerator const& ccg,
const char* default_comment = "");
// Compute object file names.
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std::string GetObjectFileNameWithoutTarget(
const cmSourceFile& source, std::string const& dir_max,
bool* hasSourceExtension = CM_NULLPTR);
/** Fill out the static linker flags for the given target. */
void GetStaticLibraryFlags(std::string& flags, std::string const& config,
cmGeneratorTarget* target);
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/** Fill out these strings for the given target. Libraries to link,
* flags, and linkflags. */
void GetTargetFlags(cmLinkLineComputer* linkLineComputer,
const std::string& config, std::string& linkLibs,
std::string& flags, std::string& linkFlags,
std::string& frameworkPath, std::string& linkPath,
cmGeneratorTarget* target);
void GetTargetDefines(cmGeneratorTarget const* target,
std::string const& config, std::string const& lang,
std::set<std::string>& defines) const;
void GetTargetCompileFlags(cmGeneratorTarget* target,
std::string const& config,
std::string const& lang, std::string& flags);
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std::string GetFrameworkFlags(std::string const& l,
std::string const& config,
cmGeneratorTarget* target);
virtual std::string GetTargetFortranFlags(cmGeneratorTarget const* target,
std::string const& config);
virtual void ComputeObjectFilenames(
std::map<cmSourceFile const*, std::string>& mapping,
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cmGeneratorTarget const* gt = CM_NULLPTR);
bool IsWindowsShell() const;
bool IsWatcomWMake() const;
bool IsMinGWMake() const;
bool IsNMake() const;
void IssueMessage(cmake::MessageType t, std::string const& text) const;
void CreateEvaluationFileOutputs(const std::string& config);
void ProcessEvaluationFiles(std::vector<std::string>& generatedFiles);
const char* GetRuleLauncher(cmGeneratorTarget* target,
const std::string& prop);
protected:
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///! put all the libraries for a target on into the given stream
void OutputLinkLibraries(cmComputeLinkInformation* pcli,
cmLinkLineComputer* linkLineComputer,
std::string& linkLibraries,
std::string& frameworkPath, std::string& linkPath);
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// Handle old-style install rules stored in the targets.
void GenerateTargetInstallRules(
std::ostream& os, const std::string& config,
std::vector<std::string> const& configurationTypes);
std::string& CreateSafeUniqueObjectFileName(const std::string& sin,
std::string const& dir_max);
/** Check whether the native build system supports the given
definition. Issues a warning. */
virtual bool CheckDefinition(std::string const& define) const;
cmMakefile* Makefile;
cmStateSnapshot StateSnapshot;
cmListFileBacktrace DirectoryBacktrace;
cmGlobalGenerator* GlobalGenerator;
std::map<std::string, std::string> UniqueObjectNamesMap;
std::string::size_type ObjectPathMax;
std::set<std::string> ObjectMaxPathViolations;
std::set<cmGeneratorTarget const*> WarnCMP0063;
std::vector<cmGeneratorTarget*> GeneratorTargets;
std::vector<cmGeneratorTarget*> ImportedGeneratorTargets;
std::vector<cmGeneratorTarget*> OwnedImportedGeneratorTargets;
std::map<std::string, std::string> AliasTargets;
std::map<std::string, std::string> Compilers;
std::map<std::string, std::string> VariableMappings;
std::string CompilerSysroot;
bool EmitUniversalBinaryFlags;
KWIML_INT_uint64_t BackwardsCompatibility;
bool BackwardsCompatibilityFinal;
private:
void AddSharedFlags(std::string& flags, const std::string& lang,
bool shared);
bool GetShouldUseOldFlags(bool shared, const std::string& lang) const;
void AddPositionIndependentFlags(std::string& flags, std::string const& l,
int targetType);
void ComputeObjectMaxPath();
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};
#if defined(CMAKE_BUILD_WITH_CMAKE)
bool cmLocalGeneratorCheckObjectName(std::string& objName,
std::string::size_type dir_len,
std::string::size_type max_total_len);
#endif
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#endif