/*========================================================================= Program: CMake - Cross-Platform Makefile Generator Module: $RCSfile$ Language: C++ Date: $Date$ Version: $Revision$ Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information. =========================================================================*/ #include "cmTarget.h" #include "cmake.h" #include "cmMakefile.h" #include "cmSourceFile.h" #include "cmLocalGenerator.h" #include "cmGlobalGenerator.h" #include #include #include #include // required for atof const char* cmTarget::TargetTypeNames[] = { "EXECUTABLE", "STATIC_LIBRARY", "SHARED_LIBRARY", "MODULE_LIBRARY", "UTILITY", "GLOBAL_TARGET", "INSTALL_FILES", "INSTALL_PROGRAMS", "INSTALL_DIRECTORY" }; //---------------------------------------------------------------------------- cmTarget::cmTarget() { this->Makefile = 0; this->LinkLibrariesAnalyzed = false; this->LinkDirectoriesComputed = false; this->HaveInstallRule = false; this->DLLPlatform = false; this->IsImportedTarget = false; } //---------------------------------------------------------------------------- void cmTarget::DefineProperties(cmake *cm) { cm->DefineProperty ("BUILD_WITH_INSTALL_RPATH", cmProperty::TARGET, "Should build tree targets have install tree rpaths.", "BUILD_WITH_INSTALL_RPATH is a boolean specifying whether to link " "the target in the build tree with the INSTALL_RPATH. This takes " "precedence over SKIP_BUILD_RPATH and avoids the need for relinking " "before installation."); cm->DefineProperty ("CLEAN_DIRECT_OUTPUT", cmProperty::TARGET, "Do not delete other variants of this target.", "When a library is built CMake by default generates code to remove " "any existing library using all possible names. This is needed " "to support libraries that switch between STATIC and SHARED by " "a user option. However when using OUTPUT_NAME to build a static " "and shared library of the same name using different logical target " "names the two targets will remove each other's files. This can be " "prevented by setting the CLEAN_DIRECT_OUTPUT property to 1."); cm->DefineProperty ("COMPILE_FLAGS", cmProperty::TARGET, "Additional flags to use when compiling this target's sources.", "The COMPILE_FLAGS property sets additional compiler flags used " "to build sources within the target. Use COMPILE_DEFINITIONS " "to pass additional preprocessor definitions."); cm->DefineProperty ("COMPILE_DEFINITIONS", cmProperty::TARGET, "Preprocessor definitions for compiling a target's sources.", "The COMPILE_DEFINITIONS property may be set to a list of preprocessor " "definitions using the syntax VAR or VAR=value. Function-style " "definitions are not supported. CMake will automatically escape " "the value correctly for the native build system (note that CMake " "language syntax may require escapes to specify some values). " "This property may be set on a per-configuration basis using the name " "COMPILE_DEFINITIONS_ where is an upper-case name " "(ex. \"COMPILE_DEFINITIONS_DEBUG\").\n" "CMake will automatically drop some definitions that " "are not supported by the native build tool. " "The VS6 IDE does not support definitions with values " "(but NMake does).\n" "Dislaimer: Most native build tools have poor support for escaping " "certain values. CMake has work-arounds for many cases but some " "values may just not be possible to pass correctly. If a value " "does not seem to be escaped correctly, do not attempt to " "work-around the problem by adding escape sequences to the value. " "Your work-around may break in a future version of CMake that " "has improved escape support. Instead consider defining the macro " "in a (configured) header file. Then report the limitation."); cm->DefineProperty ("COMPILE_DEFINITIONS_", cmProperty::TARGET, "Per-configuration preprocessor definitions on a target.", "This is the configuration-specific version of COMPILE_DEFINITIONS."); cm->DefineProperty ("DEFINE_SYMBOL", cmProperty::TARGET, "Define a symbol when compiling this target's sources.", "DEFINE_SYMBOL sets the name of the preprocessor symbol defined when " "compiling sources in a shared library. " "If not set here then it is set to target_EXPORTS by default " "(with some substitutions if the target is not a valid C " "identifier). This is useful for headers to know whether they are " "being included from inside their library our outside to properly " "setup dllexport/dllimport decorations. "); cm->DefineProperty ("DEBUG_POSTFIX", cmProperty::TARGET, "A postfix that will be applied to this target when build debug.", "A property on a target that specifies a postfix to add to the " "target name when built in debug mode. For example foo.dll " "versus fooD.dll"); cm->DefineProperty ("EchoString", cmProperty::TARGET, "A message to be displayed when the target is built.", "A message to display on some generators (such as makefiles) when " "the target is built."); cm->DefineProperty ("FRAMEWORK", cmProperty::TARGET, "This target is a framework on the Mac.", "Is set to true then if this target is a shared library, it will " "be built as a framework when built on the mac. It will have the " "directory structure required for a framework and will be suitable " "to be used with the -framework option"); cm->DefineProperty ("HAS_CXX", cmProperty::TARGET, "Force a target to use the CXX linker.", "Setting HAS_CXX on a target will force the target to use the " "C++ linker (and C++ runtime libraries) for linking even if the " "target has no C++ code in it."); cm->DefineProperty ("IMPORT_PREFIX", cmProperty::TARGET, "What comes before the import library name.", "Similar to the target property PREFIX, but used for import libraries " "(typically corresponding to a DLL) instead of regular libraries. " "A target property that can be set to override the prefix " "(such as \"lib\") on an import library name."); cm->DefineProperty ("IMPORT_SUFFIX", cmProperty::TARGET, "What comes after the import library name.", "Similar to the target property SUFFIX, but used for import libraries " "(typically corresponding to a DLL) instead of regular libraries. " "A target property that can be set to override the suffix " "(such as \".lib\") on an import library name."); cm->DefineProperty ("EXCLUDE_FROM_ALL", cmProperty::TARGET, "Exclude the target from the all target.", "A property on a target that indicates if the target is excluded " "from the default build target. If it is not, then with a Makefile " "for example typing make will cause this target to be built. " "The same concept applies to the default build of other generators. " "Installing a target with EXCLUDE_FROM_ALL set to true has " "undefined behavior."); cm->DefineProperty ("INSTALL_NAME_DIR", cmProperty::TARGET, "Mac OSX directory name for installed targets.", "INSTALL_NAME_DIR is a string specifying the " "directory portion of the \"install_name\" field of shared libraries " "on Mac OSX to use in the installed targets. "); cm->DefineProperty ("INSTALL_RPATH", cmProperty::TARGET, "The rpath to use for installed targets.", "A semicolon-separated list specifying the rpath " "to use in installed targets (for platforms that support it)."); cm->DefineProperty ("INSTALL_RPATH_USE_LINK_PATH", cmProperty::TARGET, "Add paths to linker search and installed rpath.", "INSTALL_RPATH_USE_LINK_PATH is a boolean that if set to true will " "append directories in the linker search path and outside the " "project to the INSTALL_RPATH. "); cm->DefineProperty ("LINK_FLAGS", cmProperty::TARGET, "Additional flags to use when linking this target.", "The LINK_FLAGS property can be used to add extra flags to the " "link step of a target. LINK_FLAGS_ will add to the " "configuration , " "for example, DEBUG, RELEASE, MINSIZEREL, RELWITHDEBINFO. "); cm->DefineProperty ("LINKER_LANGUAGE", cmProperty::TARGET, "What tool to use for linking, based on language.", "The LINKER_LANGUAGE property is used to change the tool " "used to link an executable or shared library. The default is " "set the language to match the files in the library. CXX and C " "are common values for this property."); cm->DefineProperty ("LOCATION", cmProperty::TARGET, "Where a target will be written on disk.", "A read only property on a target that indicates where that target " "will be written. For libraries and executables this will be where " "the file is written on disk. This property is computed based on a " "number of other settings."); cm->DefineProperty ("OUTPUT_NAME", cmProperty::TARGET, "Sets the real name of a target when it is built.", "Sets the real name of a target when it is built and " "can be used to help create two targets of the same name even though " "CMake requires unique logical target names. There is also a " "_OUTPUT_NAME that can set the output name on a " "per-configuration basis."); cm->DefineProperty ("PRE_INSTALL_SCRIPT", cmProperty::TARGET, "Deprecated install support.", "The PRE_INSTALL_SCRIPT and POST_INSTALL_SCRIPT properties are the " "old way to specify CMake scripts to run before and after " "installing a target. They are used only when the old " "INSTALL_TARGETS command is used to install the target. Use the " "INSTALL command instead."); cm->DefineProperty ("PREFIX", cmProperty::TARGET, "What comes before the library name.", "A target property that can be set to override the prefix " "(such as \"lib\") on a library name."); cm->DefineProperty ("POST_INSTALL_SCRIPT", cmProperty::TARGET, "Deprecated install support.", "The PRE_INSTALL_SCRIPT and POST_INSTALL_SCRIPT properties are the " "old way to specify CMake scripts to run before and after " "installing a target. They are used only when the old " "INSTALL_TARGETS command is used to install the target. Use the " "INSTALL command instead."); cm->DefineProperty ("SKIP_BUILD_RPATH", cmProperty::TARGET, "Should rpaths be used for the build tree.", "SKIP_BUILD_RPATH is a boolean specifying whether to skip automatic " "generation of an rpath allowing the target to run from the " "build tree. "); cm->DefineProperty ("SOVERSION", cmProperty::TARGET, "What version number is this target.", "For shared libraries VERSION and SOVERSION can be used to specify " "the build version and api version respectively. When building or " "installing appropriate symlinks are created if the platform " "supports symlinks and the linker supports so-names. " "If only one of both is specified the missing is assumed to have " "the same version number. " "For shared libraries and executables on Windows the VERSION " "attribute is parsed to extract a \"major.minor\" version number. " "These numbers are used as the image version of the binary. "); cm->DefineProperty ("STATIC_LIBRARY_FLAGS", cmProperty::TARGET, "Extra flags to use when linking static libraries.", "Extra flags to use when linking a static library."); cm->DefineProperty ("SUFFIX", cmProperty::TARGET, "What comes after the library name.", "A target property that can be set to override the suffix " "(such as \".so\") on a library name."); cm->DefineProperty ("VERSION", cmProperty::TARGET, "What version number is this target.", "For shared libraries VERSION and SOVERSION can be used to specify " "the build version and api version respectively. When building or " "installing appropriate symlinks are created if the platform " "supports symlinks and the linker supports so-names. " "If only one of both is specified the missing is assumed to have " "the same version number. " "For executables VERSION can be used to specify the build version. " "When building or installing appropriate symlinks are created if " "the platform supports symlinks. " "For shared libraries and executables on Windows the VERSION " "attribute is parsed to extract a \"major.minor\" version number. " "These numbers are used as the image version of the binary. "); cm->DefineProperty ("WIN32_EXECUTABLE", cmProperty::TARGET, "Used to specify Windows executable with a WinMain entry point.", "This can be set to indicate that a target is a Windows executable " "in contrast to a console application for example. This changes " "how the executable will be linked."); cm->DefineProperty ("ENABLE_EXPORTS", cmProperty::TARGET, "Specify whether an executable exports symbols for loadable modules.", "Normally an executable does not export any symbols because it is " "the final program. It is possible for an executable to export " "symbols to be used by loadable modules. When this property is " "set to true CMake will allow other targets to \"link\" to the " "executable with the TARGET_LINK_LIBRARIES command. " "On all platforms a target-level dependency on the executable is " "created for targets that link to it. " "For non-DLL platforms the link rule is simply ignored since " "the dynamic loader will automatically bind symbols when the " "module is loaded. " "For DLL platforms an import library will be created for the " "exported symbols and then used for linking. " "All Windows-based systems including Cygwin are DLL platforms."); cm->DefineProperty ("Fortran_MODULE_DIRECTORY", cmProperty::TARGET, "Specify output directory for Fortran modules provided by the target.", "If the target contains Fortran source files that provide modules " "and the compiler supports a module output directory this specifies " "the directory in which the modules will be placed. " "When this property is not set the modules will be placed in the " "build directory corresponding to the target's source directory."); cm->DefineProperty ("XCODE_ATTRIBUTE_", cmProperty::TARGET, "Set Xcode target attributes directly.", "Tell the Xcode generator to set '' to a given value " "in the generated Xcode project. Ignored on other generators."); cm->DefineProperty ("GENERATOR_FILE_NAME", cmProperty::TARGET, "Generator's file for this target.", "An internal property used by some generators to record the name of " "project or dsp file associated with this target."); cm->DefineProperty ("SOURCES", cmProperty::TARGET, "Source names specified for a target.", "Read-only list of sources specified for a target. " "The names returned are suitable for passing to the " "set_source_files_properties command."); #if 0 cm->DefineProperty ("OBJECT_FILES", cmProperty::TARGET, "Used to get the resulting list of object files that make up a " "target.", "This can be used to put object files from one library " "into another library. It is a read only property. It " "converts the source list for the target into a list of full " "paths to object names that will be produced by the target."); #endif #define CM_TARGET_FILE_TYPES_DOC \ "There are three kinds of target files that may be built: " \ "archive, library, and runtime. " \ "Executables are always treated as runtime targets. " \ "Static libraries are always treated as archive targets. " \ "Module libraries are always treated as library targets. " \ "For non-DLL platforms shared libraries are treated as library " \ "targets. " \ "For DLL platforms the DLL part of a shared library is treated as " \ "a runtime target and the corresponding import library is treated as " \ "an archive target. " \ "All Windows-based systems including Cygwin are DLL platforms." cm->DefineProperty ("ARCHIVE_OUTPUT_DIRECTORY", cmProperty::TARGET, "Output directory in which to build ARCHIVE target files.", "This property specifies the directory into which archive target files " "should be built. " CM_TARGET_FILE_TYPES_DOC " " "This property is initialized by the value of the variable " "CMAKE_ARCHIVE_OUTPUT_DIRECTORY if it is set when a target is created."); cm->DefineProperty ("LIBRARY_OUTPUT_DIRECTORY", cmProperty::TARGET, "Output directory in which to build LIBRARY target files.", "This property specifies the directory into which library target files " "should be built. " CM_TARGET_FILE_TYPES_DOC " " "This property is initialized by the value of the variable " "CMAKE_LIBRARY_OUTPUT_DIRECTORY if it is set when a target is created."); cm->DefineProperty ("RUNTIME_OUTPUT_DIRECTORY", cmProperty::TARGET, "Output directory in which to build RUNTIME target files.", "This property specifies the directory into which runtime target files " "should be built. " CM_TARGET_FILE_TYPES_DOC " " "This property is initialized by the value of the variable " "CMAKE_RUNTIME_OUTPUT_DIRECTORY if it is set when a target is created."); // define some properties without documentation cm->DefineProperty("DEBUG_OUTPUT_NAME", cmProperty::TARGET,0,0); cm->DefineProperty("RELEASE_OUTPUT_NAME", cmProperty::TARGET,0,0); cm->DefineProperty("LINK_FLAGS_DEBUG", cmProperty::TARGET,0,0); } void cmTarget::SetType(TargetType type, const char* name) { this->Name = name; if(type == cmTarget::INSTALL_FILES || type == cmTarget::INSTALL_PROGRAMS || type == cmTarget::INSTALL_DIRECTORY) { abort(); } // only add dependency information for library targets this->TargetTypeValue = type; if(this->TargetTypeValue >= STATIC_LIBRARY && this->TargetTypeValue <= MODULE_LIBRARY) { this->RecordDependencies = true; } else { this->RecordDependencies = false; } } //---------------------------------------------------------------------------- void cmTarget::SetMakefile(cmMakefile* mf) { // Set our makefile. this->Makefile = mf; // set the cmake instance of the properties this->Properties.SetCMakeInstance(mf->GetCMakeInstance()); // Check whether this is a DLL platform. this->DLLPlatform = (this->Makefile->IsOn("WIN32") || this->Makefile->IsOn("CYGWIN") || this->Makefile->IsOn("MINGW")); // Setup default property values. this->SetPropertyDefault("INSTALL_NAME_DIR", ""); this->SetPropertyDefault("INSTALL_RPATH", ""); this->SetPropertyDefault("INSTALL_RPATH_USE_LINK_PATH", "OFF"); this->SetPropertyDefault("SKIP_BUILD_RPATH", "OFF"); this->SetPropertyDefault("BUILD_WITH_INSTALL_RPATH", "OFF"); this->SetPropertyDefault("ARCHIVE_OUTPUT_DIRECTORY", 0); this->SetPropertyDefault("LIBRARY_OUTPUT_DIRECTORY", 0); this->SetPropertyDefault("RUNTIME_OUTPUT_DIRECTORY", 0); this->SetPropertyDefault("Fortran_MODULE_DIRECTORY", 0); // Collect the set of configuration types. std::vector configNames; if(const char* configurationTypes = mf->GetDefinition("CMAKE_CONFIGURATION_TYPES")) { cmSystemTools::ExpandListArgument(configurationTypes, configNames); } else if(const char* buildType = mf->GetDefinition("CMAKE_BUILD_TYPE")) { if(*buildType) { configNames.push_back(buildType); } } // Setup per-configuration property default values. for(std::vector::iterator ci = configNames.begin(); ci != configNames.end(); ++ci) { // Initialize per-configuration name postfix property from the // variable only for non-executable targets. This preserves // compatibility with previous CMake versions in which executables // did not support this variable. Projects may still specify the // property directly. TODO: Make this depend on backwards // compatibility setting. if(this->TargetTypeValue != cmTarget::EXECUTABLE) { std::string property = cmSystemTools::UpperCase(*ci); property += "_POSTFIX"; this->SetPropertyDefault(property.c_str(), 0); } } } //---------------------------------------------------------------------------- class cmTargetTraceDependencies { public: cmTargetTraceDependencies(cmTarget* target, const char* vsProjectFile); void Trace(); private: cmTarget* Target; cmMakefile* Makefile; cmGlobalGenerator* GlobalGenerator; std::queue DependencyQueue; std::set DependenciesQueued; std::set TargetSources; void QueueOnce(std::string const& name); void QueueOnce(std::vector const& names); void QueueDependencies(cmSourceFile* sf); bool IsUtility(std::string const& dep); void CheckCustomCommand(cmCustomCommand const& cc); void CheckCustomCommands(const std::vector& commands); }; //---------------------------------------------------------------------------- cmTargetTraceDependencies ::cmTargetTraceDependencies(cmTarget* target, const char* vsProjectFile): Target(target) { // Convenience. this->Makefile = this->Target->GetMakefile(); this->GlobalGenerator = this->Makefile->GetLocalGenerator()->GetGlobalGenerator(); // Queue all the source files already specified for the target. std::vector const& sources = this->Target->GetSourceFiles(); for(std::vector::const_iterator si = sources.begin(); si != sources.end(); ++si) { // Queue the source file itself in case it is generated. this->QueueOnce((*si)->GetFullPath()); // Queue the dependencies of the source file in case they are // generated. this->QueueDependencies(*si); // Track the sources already known to the target. this->TargetSources.insert(*si); } // Queue the VS project file to check dependencies on the rule to // generate it. if(vsProjectFile) { this->QueueOnce(vsProjectFile); } // Queue pre-build, pre-link, and post-build rule dependencies. this->CheckCustomCommands(this->Target->GetPreBuildCommands()); this->CheckCustomCommands(this->Target->GetPreLinkCommands()); this->CheckCustomCommands(this->Target->GetPostBuildCommands()); } //---------------------------------------------------------------------------- void cmTargetTraceDependencies::Trace() { // Process one dependency at a time until the queue is empty. while(!this->DependencyQueue.empty()) { // Get the next dependency in from queue. std::string dep = this->DependencyQueue.front(); this->DependencyQueue.pop(); // Check if we know how to generate this dependency. if(cmSourceFile* sf = this->Makefile->GetSourceFileWithOutput(dep.c_str())) { // Queue dependencies needed to generate this file. this->QueueDependencies(sf); // Make sure this file is in the target. if(this->TargetSources.insert(sf).second) { this->Target->AddSourceFile(sf); } } } } //---------------------------------------------------------------------------- void cmTargetTraceDependencies::QueueOnce(std::string const& name) { if(this->DependenciesQueued.insert(name).second) { this->DependencyQueue.push(name); } } //---------------------------------------------------------------------------- void cmTargetTraceDependencies::QueueOnce(std::vector const& names) { for(std::vector::const_iterator i = names.begin(); i != names.end(); ++i) { this->QueueOnce(*i); } } //---------------------------------------------------------------------------- bool cmTargetTraceDependencies::IsUtility(std::string const& dep) { // Dependencies on targets (utilities) are supposed to be named by // just the target name. However for compatibility we support // naming the output file generated by the target (assuming there is // no output-name property which old code would not have set). In // that case the target name will be the file basename of the // dependency. std::string util = cmSystemTools::GetFilenameName(dep); if(cmSystemTools::GetFilenameLastExtension(util) == ".exe") { util = cmSystemTools::GetFilenameWithoutLastExtension(util); } // Check for a non-imported target with this name. if(cmTarget* t = this->GlobalGenerator->FindTarget(0, util.c_str(), false)) { // If we find the target and the dep was given as a full path, // then make sure it was not a full path to something else, and // the fact that the name matched a target was just a coincidence. if(cmSystemTools::FileIsFullPath(dep.c_str())) { // This is really only for compatibility so we do not need to // worry about configuration names and output names. std::string tLocation = t->GetLocation(0); tLocation = cmSystemTools::GetFilenamePath(tLocation); std::string depLocation = cmSystemTools::GetFilenamePath(dep); depLocation = cmSystemTools::CollapseFullPath(depLocation.c_str()); tLocation = cmSystemTools::CollapseFullPath(tLocation.c_str()); if(depLocation == tLocation) { this->Target->AddUtility(util.c_str()); return true; } } else { // The original name of the dependency was not a full path. It // must name a target, so add the target-level dependency. this->Target->AddUtility(util.c_str()); return true; } } // The dependency does not name a target built in this project. return false; } //---------------------------------------------------------------------------- void cmTargetTraceDependencies::QueueDependencies(cmSourceFile* sf) { // Queue dependency added explicitly by the user. if(const char* additionalDeps = sf->GetProperty("OBJECT_DEPENDS")) { std::vector objDeps; cmSystemTools::ExpandListArgument(additionalDeps, objDeps); this->QueueOnce(objDeps); } // Queue dependencies added programatically by commands. this->QueueOnce(sf->GetDepends()); // Queue custom command dependencies. if(cmCustomCommand const* cc = sf->GetCustomCommand()) { this->CheckCustomCommand(*cc); } } //---------------------------------------------------------------------------- void cmTargetTraceDependencies ::CheckCustomCommand(cmCustomCommand const& cc) { // Transform command names that reference targets built in this // project to corresponding target-level dependencies. for(cmCustomCommandLines::const_iterator cit = cc.GetCommandLines().begin(); cit != cc.GetCommandLines().end(); ++cit) { std::string const& command = *cit->begin(); // Look for a non-imported target with this name. if(cmTarget* t = this->GlobalGenerator->FindTarget(0, command.c_str(), false)) { if(t->GetType() == cmTarget::EXECUTABLE) { // The command refers to an executable target built in // this project. Add the target-level dependency to make // sure the executable is up to date before this custom // command possibly runs. this->Target->AddUtility(command.c_str()); } } } // Queue the custom command dependencies. std::vector const& depends = cc.GetDepends(); for(std::vector::const_iterator di = depends.begin(); di != depends.end(); ++di) { std::string const& dep = *di; if(!this->IsUtility(dep)) { // The dependency does not name a target and may be a file we // know how to generate. Queue it. this->QueueOnce(dep); } } } //---------------------------------------------------------------------------- void cmTargetTraceDependencies ::CheckCustomCommands(const std::vector& commands) { for(std::vector::const_iterator cli = commands.begin(); cli != commands.end(); ++cli) { this->CheckCustomCommand(*cli); } } //---------------------------------------------------------------------------- void cmTarget::TraceDependencies(const char* vsProjectFile) { // Use a helper object to trace the dependencies. cmTargetTraceDependencies tracer(this, vsProjectFile); tracer.Trace(); } //---------------------------------------------------------------------------- void cmTarget::AddSources(std::vector const& srcs) { for(std::vector::const_iterator i = srcs.begin(); i != srcs.end(); ++i) { this->AddSource(i->c_str()); } } //---------------------------------------------------------------------------- cmSourceFile* cmTarget::AddSource(const char* s) { std::string src = s; // For backwards compatibility replace varibles in source names. // This should eventually be removed. this->Makefile->ExpandVariablesInString(src); cmSourceFile* sf = this->Makefile->GetOrCreateSource(src.c_str()); this->AddSourceFile(sf); return sf; } //---------------------------------------------------------------------------- struct cmTarget::SourceFileFlags cmTarget::GetTargetSourceFileFlags(const cmSourceFile* sf) { struct SourceFileFlags flags; const char* files; std::vector::iterator it; flags.PrivateHeader = false; flags.PublicHeader = false; flags.Resource = false; files = this->GetProperty("PRIVATE_HEADER"); if ((files) && (*files)) { std::vector relFiles; cmSystemTools::ExpandListArgument(files, relFiles); for(it = relFiles.begin(); it != relFiles.end(); ++it) { if(sf == this->GetMakefile()->GetSource(it->c_str())) { flags.PrivateHeader = true; break; } } } // Only consider marking it as a public header if it is *NOT* already marked // as a private header: // if(!flags.PrivateHeader) { files = this->GetProperty("PUBLIC_HEADER"); if ((files) && (*files)) { std::vector relFiles; cmSystemTools::ExpandListArgument(files, relFiles); for(it = relFiles.begin(); it != relFiles.end(); ++it) { if(sf == this->GetMakefile()->GetSource(it->c_str())) { flags.PublicHeader = true; break; } } } } const char* location = sf->GetProperty("MACOSX_PACKAGE_LOCATION"); if(location && cmStdString(location) == "Resources") { flags.Resource = true; } // Don't bother with the loop if it's already marked as a resource: // if(!flags.Resource) { files = this->GetProperty("RESOURCE"); if ((files) && (*files)) { std::vector relFiles; cmSystemTools::ExpandListArgument(files, relFiles); for(it = relFiles.begin(); it != relFiles.end(); ++it) { if(sf == this->GetMakefile()->GetSource(it->c_str())) { flags.Resource = true; break; } } } } return flags; } //---------------------------------------------------------------------------- void cmTarget::MergeLinkLibraries( cmMakefile& mf, const char *selfname, const LinkLibraryVectorType& libs ) { // Only add on libraries we haven't added on before. // Assumption: the global link libraries could only grow, never shrink LinkLibraryVectorType::const_iterator i = libs.begin(); i += this->PrevLinkedLibraries.size(); for( ; i != libs.end(); ++i ) { // We call this so that the dependencies get written to the cache this->AddLinkLibrary( mf, selfname, i->first.c_str(), i->second ); } this->PrevLinkedLibraries = libs; } //---------------------------------------------------------------------------- void cmTarget::AddLinkDirectory(const char* d) { // Make sure we don't add unnecessary search directories. if(std::find(this->ExplicitLinkDirectories.begin(), this->ExplicitLinkDirectories.end(), d) == this->ExplicitLinkDirectories.end() ) { this->ExplicitLinkDirectories.push_back( d ); this->LinkDirectoriesComputed = false; } } //---------------------------------------------------------------------------- const std::vector& cmTarget::GetLinkDirectories() { // Make sure all library dependencies have been analyzed. if(!this->LinkLibrariesAnalyzed && !this->LinkLibraries.empty()) { cmSystemTools::Error( "cmTarget::GetLinkDirectories called before " "cmTarget::AnalyzeLibDependencies on target ", this->Name.c_str()); } // Make sure the complete set of link directories has been computed. if(!this->LinkDirectoriesComputed) { // Check whether we should use an import library for linking a target. bool implib = this->Makefile->GetDefinition("CMAKE_IMPORT_LIBRARY_SUFFIX") != 0; // Compute the full set of link directories including the // locations of targets that have been linked in. Start with the // link directories given explicitly. this->LinkDirectories = this->ExplicitLinkDirectories; for(LinkLibraryVectorType::iterator ll = this->LinkLibraries.begin(); ll != this->LinkLibraries.end(); ++ll) { // If this library is a CMake target then add its location as a // link directory. std::string lib = ll->first; cmTarget* tgt = 0; if(this->Makefile && this->Makefile->GetLocalGenerator() && this->Makefile->GetLocalGenerator()->GetGlobalGenerator()) { tgt = (this->Makefile->GetLocalGenerator()->GetGlobalGenerator() ->FindTarget(0, lib.c_str(), false)); } if(tgt) { // Add the directory only if it is not already present. This // is an N^2 algorithm for adding the directories, but N // should not get very big. const char* libpath = tgt->GetDirectory(0, implib); if(std::find(this->LinkDirectories.begin(), this->LinkDirectories.end(), libpath) == this->LinkDirectories.end()) { this->LinkDirectories.push_back(libpath); } } } // The complete set of link directories has now been computed. this->LinkDirectoriesComputed = true; } // Return the complete set of link directories. return this->LinkDirectories; } //---------------------------------------------------------------------------- void cmTarget::ClearDependencyInformation( cmMakefile& mf, const char* target ) { // Clear the dependencies. The cache variable must exist iff we are // recording dependency information for this target. std::string depname = target; depname += "_LIB_DEPENDS"; if (this->RecordDependencies) { mf.AddCacheDefinition(depname.c_str(), "", "Dependencies for target", cmCacheManager::STATIC); } else { if (mf.GetDefinition( depname.c_str() )) { std::string message = "Target "; message += target; message += " has dependency information when it shouldn't.\n"; message += "Your cache is probably stale. Please remove the entry\n "; message += depname; message += "\nfrom the cache."; cmSystemTools::Error( message.c_str() ); } } } //---------------------------------------------------------------------------- void cmTarget::AddLinkLibrary(const std::string& lib, LinkLibraryType llt) { this->AddFramework(lib.c_str(), llt); cmTarget::LibraryID tmp; tmp.first = lib; tmp.second = llt; this->LinkLibraries.push_back(tmp); } //---------------------------------------------------------------------------- bool cmTarget::NameResolvesToFramework(const std::string& libname) { return this->GetMakefile()->GetLocalGenerator()->GetGlobalGenerator()-> NameResolvesToFramework(libname); } //---------------------------------------------------------------------------- bool cmTarget::AddFramework(const std::string& libname, LinkLibraryType llt) { (void)llt; // TODO: What is this? if(this->NameResolvesToFramework(libname.c_str())) { std::string frameworkDir = libname; frameworkDir += "/../"; frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir.c_str()); std::vector::iterator i = std::find(this->Frameworks.begin(), this->Frameworks.end(), frameworkDir); if(i == this->Frameworks.end()) { this->Frameworks.push_back(frameworkDir); } return true; } return false; } //---------------------------------------------------------------------------- void cmTarget::AddLinkLibrary(cmMakefile& mf, const char *target, const char* lib, LinkLibraryType llt) { // Never add a self dependency, even if the user asks for it. if(strcmp( target, lib ) == 0) { return; } this->AddFramework(lib, llt); cmTarget::LibraryID tmp; tmp.first = lib; tmp.second = llt; this->LinkLibraries.push_back( tmp ); // Add the explicit dependency information for this target. This is // simply a set of libraries separated by ";". There should always // be a trailing ";". These library names are not canonical, in that // they may be "-framework x", "-ly", "/path/libz.a", etc. // We shouldn't remove duplicates here because external libraries // may be purposefully duplicated to handle recursive dependencies, // and we removing one instance will break the link line. Duplicates // will be appropriately eliminated at emit time. if(this->RecordDependencies) { std::string targetEntry = target; targetEntry += "_LIB_DEPENDS"; std::string dependencies; const char* old_val = mf.GetDefinition( targetEntry.c_str() ); if( old_val ) { dependencies += old_val; } switch (llt) { case cmTarget::GENERAL: dependencies += "general"; break; case cmTarget::DEBUG: dependencies += "debug"; break; case cmTarget::OPTIMIZED: dependencies += "optimized"; break; } dependencies += ";"; dependencies += lib; dependencies += ";"; mf.AddCacheDefinition( targetEntry.c_str(), dependencies.c_str(), "Dependencies for the target", cmCacheManager::STATIC ); } } //---------------------------------------------------------------------------- void cmTarget::AnalyzeLibDependencies( const cmMakefile& mf ) { // There are two key parts of the dependency analysis: (1) // determining the libraries in the link line, and (2) constructing // the dependency graph for those libraries. // // The latter is done using the cache entries that record the // dependencies of each library. // // The former is a more thorny issue, since it is not clear how to // determine if two libraries listed on the link line refer to the a // single library or not. For example, consider the link "libraries" // /usr/lib/libtiff.so -ltiff // Is this one library or two? The solution implemented here is the // simplest (and probably the only practical) one: two libraries are // the same if their "link strings" are identical. Thus, the two // libraries above are considered distinct. This also means that for // dependency analysis to be effective, the CMake user must specify // libraries build by his project without using any linker flags or // file extensions. That is, // LINK_LIBRARIES( One Two ) // instead of // LINK_LIBRARIES( -lOne ${binarypath}/libTwo.a ) // The former is probably what most users would do, but it never // hurts to document the assumptions. :-) Therefore, in the analysis // code, the "canonical name" of a library is simply its name as // given to a LINK_LIBRARIES command. // // Also, we will leave the original link line intact; we will just add any // dependencies that were missing. // // There is a problem with recursive external libraries // (i.e. libraries with no dependency information that are // recursively dependent). We must make sure that the we emit one of // the libraries twice to satisfy the recursion, but we shouldn't // emit it more times than necessary. In particular, we must make // sure that handling this improbable case doesn't cost us when // dealing with the common case of non-recursive libraries. The // solution is to assume that the recursion is satisfied at one node // of the dependency tree. To illustrate, assume libA and libB are // extrenal and mutually dependent. Suppose libX depends on // libA, and libY on libA and libX. Then // TARGET_LINK_LIBRARIES( Y X A B A ) // TARGET_LINK_LIBRARIES( X A B A ) // TARGET_LINK_LIBRARIES( Exec Y ) // would result in "-lY -lX -lA -lB -lA". This is the correct way to // specify the dependencies, since the mutual dependency of A and B // is resolved *every time libA is specified*. // // Something like // TARGET_LINK_LIBRARIES( Y X A B A ) // TARGET_LINK_LIBRARIES( X A B ) // TARGET_LINK_LIBRARIES( Exec Y ) // would result in "-lY -lX -lA -lB", and the mutual dependency // information is lost. This is because in some case (Y), the mutual // dependency of A and B is listed, while in another other case (X), // it is not. Depending on which line actually emits A, the mutual // dependency may or may not be on the final link line. We can't // handle this pathalogical case cleanly without emitting extra // libraries for the normal cases. Besides, the dependency // information for X is wrong anyway: if we build an executable // depending on X alone, we would not have the mutual dependency on // A and B resolved. // // IMPROVEMENTS: // -- The current algorithm will not always pick the "optimal" link line // when recursive dependencies are present. It will instead break the // cycles at an aribtrary point. The majority of projects won't have // cyclic dependencies, so this is probably not a big deal. Note that // the link line is always correct, just not necessary optimal. { // Expand variables in link library names. This is for backwards // compatibility with very early CMake versions and should // eventually be removed. This code was moved here from the end of // old source list processing code which was called just before this // method. for(LinkLibraryVectorType::iterator p = this->LinkLibraries.begin(); p != this->LinkLibraries.end(); ++p) { this->Makefile->ExpandVariablesInString(p->first, true, true); } } typedef std::vector< std::string > LinkLine; // The dependency map. DependencyMap dep_map; if ( this->OriginalLinkLibraries.size() == 0 ) { this->OriginalLinkLibraries = this->LinkLibraries; } // 1. Build the dependency graph // for(LinkLibraryVectorType::reverse_iterator lib = this->LinkLibraries.rbegin(); lib != this->LinkLibraries.rend(); ++lib) { this->GatherDependencies( mf, *lib, dep_map); } // 2. Remove any dependencies that are already satisfied in the original // link line. // for(LinkLibraryVectorType::iterator lib = this->LinkLibraries.begin(); lib != this->LinkLibraries.end(); ++lib) { for( LinkLibraryVectorType::iterator lib2 = lib; lib2 != this->LinkLibraries.end(); ++lib2) { this->DeleteDependency( dep_map, *lib, *lib2); } } // 3. Create the new link line by simply emitting any dependencies that are // missing. Start from the back and keep adding. // std::set done, visited; std::vector newLinkLibraries; for(LinkLibraryVectorType::reverse_iterator lib = this->LinkLibraries.rbegin(); lib != this->LinkLibraries.rend(); ++lib) { // skip zero size library entries, this may happen // if a variable expands to nothing. if (lib->first.size() != 0) { this->Emit( *lib, dep_map, done, visited, newLinkLibraries ); } } // 4. Add the new libraries to the link line. // for( std::vector::reverse_iterator k = newLinkLibraries.rbegin(); k != newLinkLibraries.rend(); ++k ) { // get the llt from the dep_map this->LinkLibraries.push_back( std::make_pair(k->first,k->second) ); } this->LinkLibrariesAnalyzed = true; } //---------------------------------------------------------------------------- void cmTarget::InsertDependency( DependencyMap& depMap, const LibraryID& lib, const LibraryID& dep) { depMap[lib].push_back(dep); } //---------------------------------------------------------------------------- void cmTarget::DeleteDependency( DependencyMap& depMap, const LibraryID& lib, const LibraryID& dep) { // Make sure there is an entry in the map for lib. If so, delete all // dependencies to dep. There may be repeated entries because of // external libraries that are specified multiple times. DependencyMap::iterator map_itr = depMap.find( lib ); if( map_itr != depMap.end() ) { DependencyList& depList = map_itr->second; DependencyList::iterator itr; while( (itr = std::find(depList.begin(), depList.end(), dep)) != depList.end() ) { depList.erase( itr ); } } } //---------------------------------------------------------------------------- void cmTarget::Emit(const LibraryID lib, const DependencyMap& dep_map, std::set& emitted, std::set& visited, DependencyList& link_line ) { // It's already been emitted if( emitted.find(lib) != emitted.end() ) { return; } // Emit the dependencies only if this library node hasn't been // visited before. If it has, then we have a cycle. The recursion // that got us here should take care of everything. if( visited.insert(lib).second ) { if( dep_map.find(lib) != dep_map.end() ) // does it have dependencies? { const DependencyList& dep_on = dep_map.find( lib )->second; DependencyList::const_reverse_iterator i; // To cater for recursive external libraries, we must emit // duplicates on this link line *unless* they were emitted by // some other node, in which case we assume that the recursion // was resolved then. We making the simplifying assumption that // any duplicates on a single link line are on purpose, and must // be preserved. // This variable will keep track of the libraries that were // emitted directory from the current node, and not from a // recursive call. This way, if we come across a library that // has already been emitted, we repeat it iff it has been // emitted here. std::set emitted_here; for( i = dep_on.rbegin(); i != dep_on.rend(); ++i ) { if( emitted_here.find(*i) != emitted_here.end() ) { // a repeat. Must emit. emitted.insert(*i); link_line.push_back( *i ); } else { // Emit only if no-one else has if( emitted.find(*i) == emitted.end() ) { // emit dependencies Emit( *i, dep_map, emitted, visited, link_line ); // emit self emitted.insert(*i); emitted_here.insert(*i); link_line.push_back( *i ); } } } } } } //---------------------------------------------------------------------------- void cmTarget::GatherDependencies( const cmMakefile& mf, const LibraryID& lib, DependencyMap& dep_map) { // If the library is already in the dependency map, then it has // already been fully processed. if( dep_map.find(lib) != dep_map.end() ) { return; } const char* deps = mf.GetDefinition( (lib.first+"_LIB_DEPENDS").c_str() ); if( deps && strcmp(deps,"") != 0 ) { // Make sure this library is in the map, even if it has an empty // set of dependencies. This distinguishes the case of explicitly // no dependencies with that of unspecified dependencies. dep_map[lib]; // Parse the dependency information, which is a set of // type, library pairs separated by ";". There is always a trailing ";". cmTarget::LinkLibraryType llt = cmTarget::GENERAL; std::string depline = deps; std::string::size_type start = 0; std::string::size_type end; end = depline.find( ";", start ); while( end != std::string::npos ) { std::string l = depline.substr( start, end-start ); if( l.size() != 0 ) { if (l == "debug") { llt = cmTarget::DEBUG; } else if (l == "optimized") { llt = cmTarget::OPTIMIZED; } else if (l == "general") { llt = cmTarget::GENERAL; } else { LibraryID lib2(l,llt); this->InsertDependency( dep_map, lib, lib2); this->GatherDependencies( mf, lib2, dep_map); llt = cmTarget::GENERAL; } } start = end+1; // skip the ; end = depline.find( ";", start ); } // cannot depend on itself this->DeleteDependency( dep_map, lib, lib); } } //---------------------------------------------------------------------------- void cmTarget::SetProperty(const char* prop, const char* value) { if (!prop) { return; } if (!value) { value = "NOTFOUND"; } this->Properties.SetProperty(prop, value, cmProperty::TARGET); } //---------------------------------------------------------------------------- void cmTarget::AppendProperty(const char* prop, const char* value) { if (!prop) { return; } this->Properties.AppendProperty(prop, value, cmProperty::TARGET); } //---------------------------------------------------------------------------- void cmTarget::MarkAsImported() { this->IsImportedTarget = true; } //---------------------------------------------------------------------------- const char* cmTarget::GetDirectory(const char* config, bool implib) { if (this->IsImported()) { return this->ImportedGetDirectory(config, implib); } else { return this->NormalGetDirectory(config, implib); } } //---------------------------------------------------------------------------- const char* cmTarget::ImportedGetDirectory(const char* config, bool) { const char* location=this->GetLocation(config); this->Directory = cmSystemTools::GetFilenamePath(location); return this->Directory.c_str(); } //---------------------------------------------------------------------------- const char* cmTarget::NormalGetDirectory(const char* config, bool implib) { if(config && *config) { // Do not create the directory when config is given: this->Directory = this->GetAndCreateOutputDir(implib, true); // Add the configuration's subdirectory. this->Makefile->GetLocalGenerator()->GetGlobalGenerator()-> AppendDirectoryForConfig("/", config, "", this->Directory); return this->Directory.c_str(); } else { return this->GetOutputDir(implib); } } //---------------------------------------------------------------------------- const char* cmTarget::GetLocation(const char* config) { if (this->IsImported()) { return this->ImportedGetLocation(config); } else { return this->NormalGetLocation(config); } } //---------------------------------------------------------------------------- const char* cmTarget::ImportedGetLocation(const char* config) { if ((config) && (strlen(config))) { std::string propertyName=cmSystemTools::UpperCase(config); propertyName+="_LOCATION"; const char* configLocation=this->GetProperty(propertyName.c_str()); if ((configLocation) && (strlen(configLocation))) { return configLocation; } } return this->GetProperty("LOCATION"); } //---------------------------------------------------------------------------- const char* cmTarget::NormalGetLocation(const char* config) { this->Location = this->GetDirectory(config); if(!this->Location.empty()) { this->Location += "/"; } if(!config) { // No specific configuration was given so it will not appear on // the result of GetDirectory. Add a name here to be replaced at // build time. const char* cfgid = this->Makefile->GetDefinition("CMAKE_CFG_INTDIR"); if(cfgid && strcmp(cfgid, ".") != 0) { this->Location += cfgid; this->Location += "/"; } } this->Location += this->GetFullName(config, false); return this->Location.c_str(); } //---------------------------------------------------------------------------- void cmTarget::GetTargetVersion(int& major, int& minor) { // Set the default values. major = 0; minor = 0; // Look for a VERSION property. if(const char* version = this->GetProperty("VERSION")) { // Try to parse the version number and store the results that were // successfully parsed. int parsed_major; int parsed_minor; switch(sscanf(version, "%d.%d", &parsed_major, &parsed_minor)) { case 2: minor = parsed_minor; // no break! case 1: major = parsed_major; // no break! default: break; } } } //---------------------------------------------------------------------------- const char *cmTarget::GetProperty(const char* prop) { return this->GetProperty(prop, cmProperty::TARGET); } //---------------------------------------------------------------------------- void cmTarget::ComputeObjectFiles() { if (this->IsImported()) { return; } #if 0 std::vector dirs; this->Makefile->GetLocalGenerator()-> GetTargetObjectFileDirectories(this, dirs); std::string objectFiles; std::string objExtensionLookup1 = "CMAKE_"; std::string objExtensionLookup2 = "_OUTPUT_EXTENSION"; for(std::vector::iterator d = dirs.begin(); d != dirs.end(); ++d) { for(std::vector::iterator s = this->SourceFiles.begin(); s != this->SourceFiles.end(); ++s) { cmSourceFile* sf = *s; if(const char* lang = sf->GetLanguage()) { std::string lookupObj = objExtensionLookup1 + lang; lookupObj += objExtensionLookup2; const char* obj = this->Makefile->GetDefinition(lookupObj.c_str()); if(obj) { if(objectFiles.size()) { objectFiles += ";"; } std::string objFile = *d; objFile += "/"; objFile += this->Makefile->GetLocalGenerator()-> GetSourceObjectName(*sf); objFile += obj; objectFiles += objFile; } } } } this->SetProperty("OBJECT_FILES", objectFiles.c_str()); #endif } //---------------------------------------------------------------------------- const char *cmTarget::GetProperty(const char* prop, cmProperty::ScopeType scope) { if(!prop) { return 0; } // don't use GetLocation() for imported targets, because there this // calls GetProperty() to get the location... if (!this->IsImported()) { // watch for special "computed" properties that are dependent on other // properties or variables, always recompute them if (!strcmp(prop,"LOCATION")) { // Set the LOCATION property of the target. Note that this // cannot take into account the per-configuration name of the // target because the configuration type may not be known at // CMake time. We should deprecate this feature and instead // support transforming an executable target name given as the // command part of custom commands into the proper path at // build time. Alternatively we could put environment // variable settings in all custom commands that hold the name // of the target for each configuration and then give a // reference to the variable in the location. this->SetProperty("LOCATION", this->GetLocation(0)); } // Per-configuration location can be computed. int len = static_cast(strlen(prop)); if(len > 9 && strcmp(prop+len-9, "_LOCATION") == 0) { std::string configName(prop, len-9); this->SetProperty(prop, this->GetLocation(configName.c_str())); } if(strcmp(prop, "OBJECT_FILES") == 0) { this->ComputeObjectFiles(); } } if (strcmp(prop,"IMPORTED") == 0) { return this->IsImported()?"TRUE":"FALSE"; } if(!strcmp(prop,"SOURCES")) { cmOStringStream ss; const char* sep = ""; for(std::vector::const_iterator i = this->SourceFiles.begin(); i != this->SourceFiles.end(); ++i) { // Separate from the previous list entries. ss << sep; sep = ";"; // Construct what is known about this source file location. cmSourceFileLocation const& location = (*i)->GetLocation(); std::string sname = location.GetDirectory(); if(!sname.empty()) { sname += "/"; } sname += location.GetName(); // Append this list entry. ss << sname; } this->SetProperty("SOURCES", ss.str().c_str()); } // the type property returns what type the target is if (!strcmp(prop,"TYPE")) { switch( this->GetType() ) { case cmTarget::STATIC_LIBRARY: return "STATIC_LIBRARY"; // break; /* unreachable */ case cmTarget::MODULE_LIBRARY: return "MODULE_LIBRARY"; // break; /* unreachable */ case cmTarget::SHARED_LIBRARY: return "SHARED_LIBRARY"; // break; /* unreachable */ case cmTarget::EXECUTABLE: return "EXECUTABLE"; // break; /* unreachable */ case cmTarget::UTILITY: return "UTILITY"; // break; /* unreachable */ case cmTarget::GLOBAL_TARGET: return "GLOBAL_TARGET"; // break; /* unreachable */ case cmTarget::INSTALL_FILES: return "INSTALL_FILES"; // break; /* unreachable */ case cmTarget::INSTALL_PROGRAMS: return "INSTALL_PROGRAMS"; // break; /* unreachable */ case cmTarget::INSTALL_DIRECTORY: return "INSTALL_DIRECTORY"; // break; /* unreachable */ } return 0; } bool chain = false; const char *retVal = this->Properties.GetPropertyValue(prop, scope, chain); if (chain) { return this->Makefile->GetProperty(prop,scope); } return retVal; } //---------------------------------------------------------------------------- bool cmTarget::GetPropertyAsBool(const char* prop) { return cmSystemTools::IsOn(this->GetProperty(prop)); } //---------------------------------------------------------------------------- const char* cmTarget::GetLinkerLanguage(cmGlobalGenerator* gg) { if(this->GetProperty("HAS_CXX")) { const_cast(this)->SetProperty("LINKER_LANGUAGE", "CXX"); } const char* linkerLang = this->GetProperty("LINKER_LANGUAGE"); if (linkerLang==0) { // if the property has not yet been set, collect all languages in the // target and then find the language with the highest preference value std::set languages; this->GetLanguages(languages); std::string linkerLangList; // only used for the error message int maxLinkerPref = 0; bool multiplePreferedLanguages = false; for(std::set::const_iterator sit = languages.begin(); sit != languages.end(); ++sit) { int linkerPref = gg->GetLinkerPreference(sit->c_str()); if ((linkerPref > maxLinkerPref) || (linkerLang==0)) { maxLinkerPref = linkerPref; linkerLang = sit->c_str(); linkerLangList = *sit; multiplePreferedLanguages = false; } else if (linkerPref == maxLinkerPref) { linkerLangList += "; "; linkerLangList += *sit; multiplePreferedLanguages = true; } } if (linkerLang!=0) { const_cast(this)->SetProperty("LINKER_LANGUAGE", linkerLang); } if (multiplePreferedLanguages) { cmOStringStream err; err << "Error: Target " << this->Name << " contains multiple languages " << "with the highest linker preference (" << maxLinkerPref << "): " << linkerLangList << "\n" << "You must set the LINKER_LANGUAGE property for this target."; cmSystemTools::Error(err.str().c_str()); } } return this->GetProperty("LINKER_LANGUAGE"); } //---------------------------------------------------------------------------- const char* cmTarget::GetCreateRuleVariable() { switch(this->GetType()) { case cmTarget::STATIC_LIBRARY: return "_CREATE_STATIC_LIBRARY"; case cmTarget::SHARED_LIBRARY: return "_CREATE_SHARED_LIBRARY"; case cmTarget::MODULE_LIBRARY: return "_CREATE_SHARED_MODULE"; case cmTarget::EXECUTABLE: return "_LINK_EXECUTABLE"; case cmTarget::UTILITY: case cmTarget::GLOBAL_TARGET: case cmTarget::INSTALL_FILES: case cmTarget::INSTALL_PROGRAMS: case cmTarget::INSTALL_DIRECTORY: break; } return ""; } //---------------------------------------------------------------------------- const char* cmTarget::GetSuffixVariableInternal(TargetType type, bool implib) { switch(type) { case cmTarget::STATIC_LIBRARY: return "CMAKE_STATIC_LIBRARY_SUFFIX"; case cmTarget::SHARED_LIBRARY: return (implib ? "CMAKE_IMPORT_LIBRARY_SUFFIX" : "CMAKE_SHARED_LIBRARY_SUFFIX"); case cmTarget::MODULE_LIBRARY: return (implib ? "CMAKE_IMPORT_LIBRARY_SUFFIX" : "CMAKE_SHARED_MODULE_SUFFIX"); case cmTarget::EXECUTABLE: return (implib ? "CMAKE_IMPORT_LIBRARY_SUFFIX" : "CMAKE_EXECUTABLE_SUFFIX"); case cmTarget::UTILITY: case cmTarget::GLOBAL_TARGET: case cmTarget::INSTALL_FILES: case cmTarget::INSTALL_PROGRAMS: case cmTarget::INSTALL_DIRECTORY: break; } return ""; } //---------------------------------------------------------------------------- const char* cmTarget::GetPrefixVariableInternal(TargetType type, bool implib) { switch(type) { case cmTarget::STATIC_LIBRARY: return "CMAKE_STATIC_LIBRARY_PREFIX"; case cmTarget::SHARED_LIBRARY: return (implib ? "CMAKE_IMPORT_LIBRARY_PREFIX" : "CMAKE_SHARED_LIBRARY_PREFIX"); case cmTarget::MODULE_LIBRARY: return (implib ? "CMAKE_IMPORT_LIBRARY_PREFIX" : "CMAKE_SHARED_MODULE_PREFIX"); case cmTarget::EXECUTABLE: return (implib? "CMAKE_IMPORT_LIBRARY_PREFIX" : ""); case cmTarget::UTILITY: case cmTarget::GLOBAL_TARGET: case cmTarget::INSTALL_FILES: case cmTarget::INSTALL_PROGRAMS: case cmTarget::INSTALL_DIRECTORY: break; } return ""; } //---------------------------------------------------------------------------- std::string cmTarget::GetPDBName(const char* config) { std::string prefix; std::string base; std::string suffix; this->GetFullNameInternal(this->GetType(), config, false, prefix, base, suffix); return prefix+base+".pdb"; } //---------------------------------------------------------------------------- std::string cmTarget::GetFullName(const char* config, bool implib) { return this->GetFullNameInternal(this->GetType(), config, implib); } //---------------------------------------------------------------------------- void cmTarget::GetFullName(std::string& prefix, std::string& base, std::string& suffix, const char* config, bool implib) { this->GetFullNameInternal(this->GetType(), config, implib, prefix, base, suffix); } //---------------------------------------------------------------------------- std::string cmTarget::GetFullPath(const char* config, bool implib) { // Start with the output directory for the target. std::string fpath = this->GetDirectory(config, implib); fpath += "/"; // Add the full name of the target. fpath += this->GetFullName(config, implib); return fpath; } //---------------------------------------------------------------------------- std::string cmTarget::GetFullNameInternal(TargetType type, const char* config, bool implib) { std::string prefix; std::string base; std::string suffix; this->GetFullNameInternal(type, config, implib, prefix, base, suffix); return prefix+base+suffix; } //---------------------------------------------------------------------------- void cmTarget::GetFullNameInternal(TargetType type, const char* config, bool implib, std::string& outPrefix, std::string& outBase, std::string& outSuffix) { if (this->IsImported()) { this->ImportedGetFullNameInternal(type, config, implib, outPrefix, outBase, outSuffix); } else { this->NormalGetFullNameInternal(type, config, implib, outPrefix, outBase, outSuffix); } } //---------------------------------------------------------------------------- void cmTarget::ImportedGetFullNameInternal(TargetType , const char* config, bool , std::string& outPrefix, std::string& outBase, std::string& outSuffix) { // find the basename, suffix and prefix from getLocation() // implib ? std::string location=this->GetLocation(config); outBase=cmSystemTools::GetFilenameWithoutExtension(location); outSuffix = cmSystemTools::GetFilenameExtension(location); outPrefix = ""; } //---------------------------------------------------------------------------- void cmTarget::NormalGetFullNameInternal(TargetType type, const char* config, bool implib, std::string& outPrefix, std::string& outBase, std::string& outSuffix) { // Use just the target name for non-main target types. if(type != cmTarget::STATIC_LIBRARY && type != cmTarget::SHARED_LIBRARY && type != cmTarget::MODULE_LIBRARY && type != cmTarget::EXECUTABLE) { outPrefix = ""; outBase = this->GetName(); outSuffix = ""; return; } // Return an empty name for the import library if this platform // does not support import libraries. if(implib && !this->Makefile->GetDefinition("CMAKE_IMPORT_LIBRARY_SUFFIX")) { outPrefix = ""; outBase = ""; outSuffix = ""; return; } // The implib option is only allowed for shared libraries, module // libraries, and executables. if(type != cmTarget::SHARED_LIBRARY && type != cmTarget::MODULE_LIBRARY && type != cmTarget::EXECUTABLE) { implib = false; } // Compute the full name for main target types. const char* targetPrefix = (implib ? this->GetProperty("IMPORT_PREFIX") : this->GetProperty("PREFIX")); const char* targetSuffix = (implib ? this->GetProperty("IMPORT_SUFFIX") : this->GetProperty("SUFFIX")); const char* configPostfix = 0; if(config && *config) { std::string configProp = cmSystemTools::UpperCase(config); configProp += "_POSTFIX"; configPostfix = this->GetProperty(configProp.c_str()); } const char* prefixVar = this->GetPrefixVariableInternal(type, implib); const char* suffixVar = this->GetSuffixVariableInternal(type, implib); const char* ll = this->GetLinkerLanguage( this->Makefile->GetLocalGenerator()->GetGlobalGenerator()); // first try language specific suffix if(ll) { if(!targetSuffix && suffixVar && *suffixVar) { std::string langSuff = suffixVar + std::string("_") + ll; targetSuffix = this->Makefile->GetDefinition(langSuff.c_str()); } if(!targetPrefix && prefixVar && *prefixVar) { std::string langPrefix = prefixVar + std::string("_") + ll; targetPrefix = this->Makefile->GetDefinition(langPrefix.c_str()); } } // if there is no prefix on the target use the cmake definition if(!targetPrefix && prefixVar) { targetPrefix = this->Makefile->GetSafeDefinition(prefixVar); } // if there is no suffix on the target use the cmake definition if(!targetSuffix && suffixVar) { targetSuffix = this->Makefile->GetSafeDefinition(suffixVar); } #if defined(__APPLE__) // frameworks do not have a prefix or a suffix if (this->GetType() == cmTarget::SHARED_LIBRARY && this->GetPropertyAsBool("FRAMEWORK")) { targetPrefix = 0; targetSuffix = 0; } #endif // Begin the final name with the prefix. outPrefix = targetPrefix?targetPrefix:""; // Append the target name or property-specified name. const char* outName = 0; if(config && *config) { std::string configProp = cmSystemTools::UpperCase(config); configProp += "_OUTPUT_NAME"; outName = this->GetProperty(configProp.c_str()); } if(!outName) { outName = this->GetProperty("OUTPUT_NAME"); } if(outName) { outBase = outName; } else { outBase = this->GetName(); } // Append the per-configuration postfix. outBase += configPostfix?configPostfix:""; // Name shared libraries with their version number on some platforms. if(const char* version = this->GetProperty("VERSION")) { if(type == cmTarget::SHARED_LIBRARY && !implib && this->Makefile->IsOn("CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION")) { outBase += "-"; outBase += version; } } // Append the suffix. outSuffix = targetSuffix?targetSuffix:""; } //---------------------------------------------------------------------------- void cmTarget::GetLibraryNames(std::string& name, std::string& soName, std::string& realName, std::string& impName, std::string& pdbName, const char* config) { // Get the names based on the real type of the library. this->GetLibraryNamesInternal(name, soName, realName, impName, pdbName, this->GetType(), config); } //---------------------------------------------------------------------------- void cmTarget::GetLibraryCleanNames(std::string& staticName, std::string& sharedName, std::string& sharedSOName, std::string& sharedRealName, std::string& importName, std::string& pdbName, const char* config) { // Get the name as if this were a static library. std::string soName; std::string realName; std::string impName; this->GetLibraryNamesInternal(staticName, soName, realName, impName, pdbName, cmTarget::STATIC_LIBRARY, config); // Get the names as if this were a shared library. if(this->GetType() == cmTarget::STATIC_LIBRARY) { // Since the real type is static then the user either specified // STATIC or did not specify a type. In the former case the // shared library will never be present. In the latter case the // type will never be MODULE. Either way the only names that // might have to be cleaned are the shared library names. this->GetLibraryNamesInternal(sharedName, sharedSOName, sharedRealName, importName, pdbName, cmTarget::SHARED_LIBRARY, config); } else { // Use the name of the real type of the library (shared or module). this->GetLibraryNamesInternal(sharedName, sharedSOName, sharedRealName, importName, pdbName, this->GetType(), config); } } //---------------------------------------------------------------------------- void cmTarget::GetLibraryNamesInternal(std::string& name, std::string& soName, std::string& realName, std::string& impName, std::string& pdbName, TargetType type, const char* config) { // Construct the name of the soname flag variable for this language. const char* ll = this->GetLinkerLanguage( this->Makefile->GetLocalGenerator()->GetGlobalGenerator()); std::string sonameFlag = "CMAKE_SHARED_LIBRARY_SONAME"; if(ll) { sonameFlag += "_"; sonameFlag += ll; } sonameFlag += "_FLAG"; // Check for library version properties. const char* version = this->GetProperty("VERSION"); const char* soversion = this->GetProperty("SOVERSION"); if((type != cmTarget::SHARED_LIBRARY && type != cmTarget::MODULE_LIBRARY) || !this->Makefile->GetDefinition(sonameFlag.c_str())) { // Versioning is supported only for shared libraries and modules, // and then only when the platform supports an soname flag. version = 0; soversion = 0; } if(version && !soversion) { // The soversion must be set if the library version is set. Use // the library version as the soversion. soversion = version; } // Get the components of the library name. std::string prefix; std::string base; std::string suffix; this->GetFullNameInternal(type, config, false, prefix, base, suffix); // The library name. name = prefix+base+suffix; // The library's soname. #if defined(__APPLE__) soName = prefix+base; #else soName = name; #endif if(soversion) { soName += "."; soName += soversion; } #if defined(__APPLE__) soName += suffix; #endif // The library's real name on disk. #if defined(__APPLE__) realName = prefix+base; #else realName = name; #endif if(version) { realName += "."; realName += version; } else if(soversion) { realName += "."; realName += soversion; } #if defined(__APPLE__) realName += suffix; #endif // The import library name. if(type == cmTarget::SHARED_LIBRARY || type == cmTarget::MODULE_LIBRARY) { impName = this->GetFullNameInternal(type, config, true); } else { impName = ""; } // The program database file name. pdbName = prefix+base+".pdb"; } //---------------------------------------------------------------------------- void cmTarget::GetExecutableNames(std::string& name, std::string& realName, std::string& impName, std::string& pdbName, const char* config) { // Get the names based on the real type of the executable. this->GetExecutableNamesInternal(name, realName, impName, pdbName, this->GetType(), config); } //---------------------------------------------------------------------------- void cmTarget::GetExecutableCleanNames(std::string& name, std::string& realName, std::string& impName, std::string& pdbName, const char* config) { // Get the name and versioned name of this executable. this->GetExecutableNamesInternal(name, realName, impName, pdbName, cmTarget::EXECUTABLE, config); } //---------------------------------------------------------------------------- void cmTarget::GetExecutableNamesInternal(std::string& name, std::string& realName, std::string& impName, std::string& pdbName, TargetType type, const char* config) { // This versioning is supported only for executables and then only // when the platform supports symbolic links. #if defined(_WIN32) && !defined(__CYGWIN__) const char* version = 0; #else // Check for executable version properties. const char* version = this->GetProperty("VERSION"); if(type != cmTarget::EXECUTABLE) { version = 0; } #endif // Get the components of the executable name. std::string prefix; std::string base; std::string suffix; this->GetFullNameInternal(type, config, false, prefix, base, suffix); // The executable name. name = prefix+base+suffix; // The executable's real name on disk. #if defined(__CYGWIN__) realName = prefix+base; #else realName = name; #endif if(version) { realName += "-"; realName += version; } #if defined(__CYGWIN__) realName += suffix; #endif // The import library name. impName = this->GetFullNameInternal(type, config, true); // The program database file name. pdbName = prefix+base+".pdb"; } //---------------------------------------------------------------------------- void cmTarget::SetPropertyDefault(const char* property, const char* default_value) { // Compute the name of the variable holding the default value. std::string var = "CMAKE_"; var += property; if(const char* value = this->Makefile->GetDefinition(var.c_str())) { this->SetProperty(property, value); } else if(default_value) { this->SetProperty(property, default_value); } } //---------------------------------------------------------------------------- bool cmTarget::HaveBuildTreeRPATH() { return (!this->GetPropertyAsBool("SKIP_BUILD_RPATH") && !this->LinkLibraries.empty()); } //---------------------------------------------------------------------------- bool cmTarget::HaveInstallTreeRPATH() { const char* install_rpath = this->GetProperty("INSTALL_RPATH"); return install_rpath && *install_rpath; } //---------------------------------------------------------------------------- bool cmTarget::NeedRelinkBeforeInstall() { // Only executables and shared libraries can have an rpath and may // need relinking. if(this->TargetTypeValue != cmTarget::EXECUTABLE && this->TargetTypeValue != cmTarget::SHARED_LIBRARY && this->TargetTypeValue != cmTarget::MODULE_LIBRARY) { return false; } // If there is no install location this target will not be installed // and therefore does not need relinking. if(!this->GetHaveInstallRule()) { return false; } if(this->Makefile->IsOn("CMAKE_USE_CHRPATH") && (this->IsChrpathAvailable())) { return false; } // If skipping all rpaths completely then no relinking is needed. if(this->Makefile->IsOn("CMAKE_SKIP_RPATH")) { return false; } // If building with the install-tree rpath no relinking is needed. if(this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH")) { return false; } // Check for rpath support on this platform. if(const char* ll = this->GetLinkerLanguage( this->Makefile->GetLocalGenerator()->GetGlobalGenerator())) { std::string flagVar = "CMAKE_SHARED_LIBRARY_RUNTIME_"; flagVar += ll; flagVar += "_FLAG"; if(!this->Makefile->IsSet(flagVar.c_str())) { // There is no rpath support on this platform so nothing needs // relinking. return false; } } else { // No linker language is known. This error will be reported by // other code. return false; } // If either a build or install tree rpath is set then the rpath // will likely change between the build tree and install tree and // this target must be relinked. return this->HaveBuildTreeRPATH() || this->HaveInstallTreeRPATH(); } //---------------------------------------------------------------------------- std::string cmTarget::GetInstallNameDirForBuildTree(const char* config) { // If building directly for installation then the build tree install_name // is the same as the install tree. if(this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH")) { return GetInstallNameDirForInstallTree(config); } // Use the build tree directory for the target. if(this->Makefile->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME") && !this->Makefile->IsOn("CMAKE_SKIP_RPATH") && !this->GetPropertyAsBool("SKIP_BUILD_RPATH")) { std::string dir = this->GetDirectory(config); dir += "/"; return dir; } else { return ""; } } //---------------------------------------------------------------------------- std::string cmTarget::GetInstallNameDirForInstallTree(const char*) { // Lookup the target property. const char* install_name_dir = this->GetProperty("INSTALL_NAME_DIR"); if(this->Makefile->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME") && !this->Makefile->IsOn("CMAKE_SKIP_RPATH") && install_name_dir && *install_name_dir) { std::string dir = install_name_dir; dir += "/"; return dir; } else { return ""; } } //---------------------------------------------------------------------------- const char* cmTarget::GetAndCreateOutputDir(bool implib, bool create) { // The implib option is only allowed for shared libraries, module // libraries, and executables. if(this->GetType() != cmTarget::SHARED_LIBRARY && this->GetType() != cmTarget::MODULE_LIBRARY && this->GetType() != cmTarget::EXECUTABLE) { implib = false; } // Sanity check. Only generators on platforms supporting import // libraries should be asking for the import library output // directory. if(implib && !this->Makefile->GetDefinition("CMAKE_IMPORT_LIBRARY_SUFFIX")) { abort(); } if(implib && !this->DLLPlatform) { abort(); } // Select whether we are constructing the directory for the main // target or the import library. std::string& out = implib? this->OutputDirImplib : this->OutputDir; if(out.empty()) { // Look for a target property defining the target output directory // based on the target type. const char* propertyName = 0; switch(this->GetType()) { case cmTarget::SHARED_LIBRARY: { // For non-DLL platforms shared libraries are treated as // library targets. For DLL platforms the DLL part of a // shared library is treated as a runtime target and the // corresponding import library is treated as an archive // target. if(this->DLLPlatform) { if(implib) { propertyName = "ARCHIVE_OUTPUT_DIRECTORY"; } else { propertyName = "RUNTIME_OUTPUT_DIRECTORY"; } } else { propertyName = "LIBRARY_OUTPUT_DIRECTORY"; } } break; case cmTarget::STATIC_LIBRARY: { // Static libraries are always treated as archive targets. propertyName = "ARCHIVE_OUTPUT_DIRECTORY"; } break; case cmTarget::MODULE_LIBRARY: { // Module libraries are always treated as library targets. // Module import libraries are treated as archive targets. if(implib) { propertyName = "ARCHIVE_OUTPUT_DIRECTORY"; } else { propertyName = "LIBRARY_OUTPUT_DIRECTORY"; } } break; case cmTarget::EXECUTABLE: { // Executables are always treated as runtime targets. // Executable import libraries are treated as archive targets. if(implib) { propertyName = "ARCHIVE_OUTPUT_DIRECTORY"; } else { propertyName = "RUNTIME_OUTPUT_DIRECTORY"; } } break; default: break; } // Select an output directory. if(const char* outdir = this->GetProperty(propertyName)) { // Use the user-specified output directory. out = outdir; } else if(this->GetType() == cmTarget::EXECUTABLE) { // Lookup the output path for executables. out = this->Makefile->GetSafeDefinition("EXECUTABLE_OUTPUT_PATH"); } else if(this->GetType() == cmTarget::STATIC_LIBRARY || this->GetType() == cmTarget::SHARED_LIBRARY || this->GetType() == cmTarget::MODULE_LIBRARY) { // Lookup the output path for libraries. out = this->Makefile->GetSafeDefinition("LIBRARY_OUTPUT_PATH"); } if(out.empty()) { // Default to the current output directory. out = "."; } // Convert the output path to a full path in case it is // specified as a relative path. Treat a relative path as // relative to the current output directory for this makefile. out = cmSystemTools::CollapseFullPath (out.c_str(), this->Makefile->GetStartOutputDirectory()); #if defined(__APPLE__) // frameworks do not have a prefix or a suffix if (this->GetType() == cmTarget::SHARED_LIBRARY && this->GetPropertyAsBool("FRAMEWORK")) { out += "/"; out += this->GetFullName(0, implib); out += ".framework"; } #endif // Optionally make sure the output path exists on disk. if(create) { if(!cmSystemTools::MakeDirectory(out.c_str())) { cmSystemTools::Error("Error failed to create output directory: ", out.c_str()); } } } return out.c_str(); } //---------------------------------------------------------------------------- const char* cmTarget::GetOutputDir(bool implib) { return this->GetAndCreateOutputDir(implib, true); } //---------------------------------------------------------------------------- const char* cmTarget::GetExportMacro() { // Define the symbol for targets that export symbols. if(this->GetType() == cmTarget::SHARED_LIBRARY || this->GetType() == cmTarget::MODULE_LIBRARY || this->GetType() == cmTarget::EXECUTABLE && this->GetPropertyAsBool("ENABLE_EXPORTS")) { if(const char* custom_export_name = this->GetProperty("DEFINE_SYMBOL")) { this->ExportMacro = custom_export_name; } else { std::string in = this->GetName(); in += "_EXPORTS"; this->ExportMacro = cmSystemTools::MakeCindentifier(in.c_str()); } return this->ExportMacro.c_str(); } else { return 0; } } //---------------------------------------------------------------------------- void cmTarget::GetLanguages(std::set& languages) const { for(std::vector::const_iterator i = this->SourceFiles.begin(); i != this->SourceFiles.end(); ++i) { if(const char* lang = (*i)->GetLanguage()) { languages.insert(lang); } } } bool cmTarget::IsChrpathAvailable() { //only return true if chrpath has been found (happens only if the executable // format is ELF) and if the separator is not empty if (this->Makefile->IsSet("CMAKE_CHRPATH")==false) { return false; } const char* linkLanguage = this->GetLinkerLanguage(this->Makefile-> GetLocalGenerator()->GetGlobalGenerator()); if (linkLanguage==0) { return false; } std::string runTimeFlagSepVar = "CMAKE_SHARED_LIBRARY_RUNTIME_"; runTimeFlagSepVar += linkLanguage; runTimeFlagSepVar += "_FLAG_SEP"; std::string runtimeSep = this->Makefile->GetSafeDefinition(runTimeFlagSepVar.c_str()); if (runtimeSep.size()<=0) { return 0; } return true; }