cmake-generators.7 - Online Linux Manual Page

CMAKE-GENERATORS - Online Linux Manual PageSection : 7
Updated : September 13, 2021
Source : 3.18.4
Note : CMake

NAMEcmake-generators − CMake Generators Reference

INTRODUCTIONA CMake Generator is responsible for writing the input files for a native build system. Exactly one of the CMake Generators must be selected for a build tree to determine what native build system is to be used. Optionally one of the Extra Generators may be selected as a variant of some of the Command−Line Build Tool Generators to produce project files for an auxiliary IDE. CMake Generators are platform−specific so each may be available only on certain platforms. The cmake(1) command−line tool −−help output lists available generators on the current platform. Use its −G option to specify the generator for a new build tree. The cmake−gui(1) offers interactive selection of a generator when creating a new build tree.

CMAKE GENERATORS

Command−Line Build Tool GeneratorsThese generators support command−line build tools. In order to use them, one must launch CMake from a command−line prompt whose environment is already configured for the chosen compiler and build tool.

Makefile Generators

Borland MakefilesGenerates Borland makefiles.

MSYS MakefilesGenerates makefiles for use with MSYS (Minimal SYStem) make under the MSYS shell. Use this generator in a MSYS shell prompt and using make as the build tool. The generated makefiles use /bin/sh as the shell to launch build rules. They are not compatible with a Windows command prompt. To build under a Windows command prompt, use the MinGW Makefiles generator.

MinGW MakefilesGenerates makefiles for use with mingw32−make under a Windows command prompt. Use this generator under a Windows command prompt with MinGW (Minimalist GNU for Windows) in the PATH and using mingw32−make as the build tool. The generated makefiles use cmd.exe as the shell to launch build rules. They are not compatible with MSYS or a unix shell. To build under the MSYS shell, use the MSYS Makefiles generator.

NMake MakefilesGenerates NMake makefiles.

NMake Makefiles JOMGenerates JOM makefiles.

Unix MakefilesGenerates standard UNIX makefiles. A hierarchy of UNIX makefiles is generated into the build tree. Use any standard UNIX−style make program to build the project through the all target and install the project through the install (or install/strip) target. For each subdirectory sub/dir of the project a UNIX makefile will be created, containing the following targets: all Depends on all targets required by the subdirectory. install Runs the install step in the subdirectory, if any. install/strip Runs the install step in the subdirectory followed by a CMAKE_STRIP command, if any. The CMAKE_STRIP variable will contain the platform’s strip utility, which removes symbols information from generated binaries. test Runs the test step in the subdirectory, if any. package Runs the package step in the subdirectory, if any.

Watcom WMakeGenerates Watcom WMake makefiles.

Ninja Generators

NinjaGenerates build.ninja files. A build.ninja file is generated into the build tree. Use the ninja program to build the project through the all target and install the project through the install (or install/strip) target. For each subdirectory sub/dir of the project, additional targets are generated: sub/dir/all Depends on all targets required by the subdirectory. sub/dir/install Runs the install step in the subdirectory, if any. sub/dir/install/strip Runs the install step in the subdirectory followed by a CMAKE_STRIP command, if any. The CMAKE_STRIP variable will contain the platform’s strip utility, which removes symbols information from generated binaries. sub/dir/test Runs the test step in the subdirectory, if any. sub/dir/package Runs the package step in the subdirectory, if any.

Fortran SupportThe Ninja generator conditionally supports Fortran when the ninja tool is at least version 1.10 (which has the required features).

See AlsoThe Ninja Multi−Config generator is similar to the Ninja generator, but generates multiple configurations at once.

Ninja Multi−ConfigGenerates multiple build−<Config>.ninja files. This generator is very much like the Ninja generator, but with some key differences. Only these differences will be discussed in this document. Unlike the Ninja generator, Ninja Multi−Config generates multiple configurations at once with CMAKE_CONFIGURATION_TYPES instead of only one configuration with CMAKE_BUILD_TYPE. One build−<Config>.ninja file will be generated for each of these configurations (with <Config> being the configuration name.) These files are intended to be run with ninja −f build−<Config>.ninja. A build.ninja file is also generated, using the configuration from either CMAKE_DEFAULT_BUILD_TYPE or the first item from CMAKE_CONFIGURATION_TYPES. cmake −−build . −−config <Config> will always use build−<Config>.ninja to build. If no −−config argument is specified, cmake −−build . will default to build−Debug.ninja, unless a build.ninja is generated (see below), in which case that will be used instead. Each build−<Config>.ninja file contains <target> targets as well as <target>:<Config> targets, where <Config> is the same as the configuration specified in build−<Config>.ninja Additionally, if cross−config mode is enabled, build−<Config>.ninja may contain <target>:<OtherConfig> targets, where <OtherConfig> is a cross−config, as well as <target>:all, which builds the target in all cross−configs. See below for how to enable cross−config mode. The Ninja Multi−Config generator recognizes the following variables: CMAKE_CONFIGURATION_TYPES Specifies the total set of configurations to build. CMAKE_CROSS_CONFIGS Specifies a semicolon−separated list of configurations available from all build−<Config>.ninja files. CMAKE_DEFAULT_BUILD_TYPE Specifies the configuration to use by default in a build.ninja file. CMAKE_DEFAULT_CONFIGS Specifies a semicolon−separated list of configurations to build for a target in build.ninja if no :<Config> suffix is specified. Consider the following example: cmake_minimum_required(VERSION 3.16) project(MultiConfigNinja C) add_executable(generator generator.c) add_custom_command(OUTPUT generated.c COMMAND generator generated.c) add_library(generated ${CMAKE_BINARY_DIR}/generated.c) Now assume you configure the project with Ninja Multi−Config and run one of the following commands: ninja −f build−Debug.ninja generated # OR cmake −−build . −−config Debug −−target generated This would build the Debug configuration of generator, which would be used to generate generated.c, which would be used to build the Debug configuration of generated. But if CMAKE_CROSS_CONFIGS is set to all, and you run the following instead: ninja −f build−Release.ninja generated:Debug # OR cmake −−build . −−config Release −−target generated:Debug This would build the Release configuration of generator, which would be used to generate generated.c, which would be used to build the Debug configuration of generated. This is useful for running a release−optimized version of a generator utility while still building the debug version of the targets built with the generated code.

IDE Build Tool GeneratorsThese generators support Integrated Development Environment (IDE) project files. Since the IDEs configure their own environment one may launch CMake from any environment.

Visual Studio Generators

Visual Studio 6Removed. This once generated Visual Studio 6 project files, but the generator has been removed since CMake 3.6. It is still possible to build with VS 6 tools using the NMake Makefiles generator.

Visual Studio 7Removed. This once generated Visual Studio .NET 2002 project files, but the generator has been removed since CMake 3.6. It is still possible to build with VS 7.0 tools using the NMake Makefiles generator.

Visual Studio 7 .NET 2003Removed. This once generated Visual Studio .NET 2003 project files, but the generator has been removed since CMake 3.9. It is still possible to build with VS 7.1 tools using the NMake Makefiles generator.

Visual Studio 8 2005Removed. This once generated Visual Studio 8 2005 project files, but the generator has been removed since CMake 3.12. It is still possible to build with VS 2005 tools using the NMake Makefiles generator.

Visual Studio 9 2008Generates Visual Studio 9 2008 project files.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 9 2008" −A Win32 • cmake −G "Visual Studio 9 2008" −A x64 • cmake −G "Visual Studio 9 2008" −A Itanium • cmake −G "Visual Studio 9 2008" −A <WinCE−SDK> (Specify a target platform matching a Windows CE SDK name.) For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 9 2008 Win64 Specify target platform x64. Visual Studio 9 2008 IA64 Specify target platform Itanium. Visual Studio 9 2008 <WinCE−SDK> Specify target platform matching a Windows CE SDK name.

Visual Studio 10 2010Generates Visual Studio 10 (VS 2010) project files. For compatibility with CMake versions prior to 3.0, one may specify this generator using the name Visual Studio 10 without the year component.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (Database, Website, etc.) are not supported.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 10 2010" −A Win32 • cmake −G "Visual Studio 10 2010" −A x64 • cmake −G "Visual Studio 10 2010" −A Itanium For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 10 2010 Win64 Specify target platform x64. Visual Studio 10 2010 IA64 Specify target platform Itanium.

Toolset SelectionThe v100 toolset that comes with Visual Studio 10 2010 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset.

Visual Studio 11 2012Generates Visual Studio 11 (VS 2012) project files. For compatibility with CMake versions prior to 3.0, one may specify this generator using the name “Visual Studio 11” without the year component.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (JavaScript, Database, Website, etc.) are not supported.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 11 2012" −A Win32 • cmake −G "Visual Studio 11 2012" −A x64 • cmake −G "Visual Studio 11 2012" −A ARM • cmake −G "Visual Studio 11 2012" −A <WinCE−SDK> (Specify a target platform matching a Windows CE SDK name.) For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 11 2012 Win64 Specify target platform x64. Visual Studio 11 2012 ARM Specify target platform ARM. Visual Studio 11 2012 <WinCE−SDK> Specify target platform matching a Windows CE SDK name.

Toolset SelectionThe v110 toolset that comes with Visual Studio 11 2012 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset.

Visual Studio 12 2013Generates Visual Studio 12 (VS 2013) project files. For compatibility with CMake versions prior to 3.0, one may specify this generator using the name “Visual Studio 12” without the year component.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (JavaScript, Powershell, Python, etc.) are not supported.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 12 2013" −A Win32 • cmake −G "Visual Studio 12 2013" −A x64 • cmake −G "Visual Studio 12 2013" −A ARM For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 12 2013 Win64 Specify target platform x64. Visual Studio 12 2013 ARM Specify target platform ARM.

Toolset SelectionThe v120 toolset that comes with Visual Studio 12 2013 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset. For each toolset that comes with this version of Visual Studio, there are variants that are themselves compiled for 32−bit (x86) and 64−bit (x64) hosts (independent of the architecture they target). By default this generator uses the 32−bit variant even on a 64−bit host. One may explicitly request use of either the 32−bit or 64−bit host tools by adding either host=x86 or host=x64 to the toolset specification. See the CMAKE_GENERATOR_TOOLSET variable for details.

Visual Studio 14 2015Generates Visual Studio 14 (VS 2015) project files.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (JavaScript, Powershell, Python, etc.) are not supported.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 14 2015" −A Win32 • cmake −G "Visual Studio 14 2015" −A x64 • cmake −G "Visual Studio 14 2015" −A ARM For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 14 2015 Win64 Specify target platform x64. Visual Studio 14 2015 ARM Specify target platform ARM.

Toolset SelectionThe v140 toolset that comes with Visual Studio 14 2015 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset. For each toolset that comes with this version of Visual Studio, there are variants that are themselves compiled for 32−bit (x86) and 64−bit (x64) hosts (independent of the architecture they target). By default this generator uses the 32−bit variant even on a 64−bit host. One may explicitly request use of either the 32−bit or 64−bit host tools by adding either host=x86 or host=x64 to the toolset specification. See the CMAKE_GENERATOR_TOOLSET variable for details.

Visual Studio 15 2017Generates Visual Studio 15 (VS 2017) project files.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (JavaScript, Powershell, Python, etc.) are not supported.

Instance SelectionVS 2017 supports multiple installations on the same machine. The CMAKE_GENERATOR_INSTANCE variable may be set as a cache entry containing the absolute path to a Visual Studio instance. If the value is not specified explicitly by the user or a toolchain file, CMake queries the Visual Studio Installer to locate VS instances, chooses one, and sets the variable as a cache entry to hold the value persistently. When CMake first chooses an instance, if the VS150COMNTOOLS environment variable is set and points to the Common7/Tools directory within one of the instances, that instance will be used. Otherwise, if more than one instance is installed we do not define which one is chosen by default.

Platform SelectionThe default target platform name (architecture) is Win32. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 15 2017" −A Win32 • cmake −G "Visual Studio 15 2017" −A x64 • cmake −G "Visual Studio 15 2017" −A ARM • cmake −G "Visual Studio 15 2017" −A ARM64 For compatibility with CMake versions prior to 3.1, one may specify a target platform name optionally at the end of the generator name. This is supported only for: Visual Studio 15 2017 Win64 Specify target platform x64. Visual Studio 15 2017 ARM Specify target platform ARM.

Toolset SelectionThe v141 toolset that comes with Visual Studio 15 2017 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset. For each toolset that comes with this version of Visual Studio, there are variants that are themselves compiled for 32−bit (x86) and 64−bit (x64) hosts (independent of the architecture they target). By default this generator uses the 32−bit variant even on a 64−bit host. One may explicitly request use of either the 32−bit or 64−bit host tools by adding either host=x86 or host=x64 to the toolset specification. See the CMAKE_GENERATOR_TOOLSET variable for details.

Visual Studio 16 2019Generates Visual Studio 16 (VS 2019) project files.

Project TypesOnly Visual C++ and C# projects may be generated. Other types of projects (JavaScript, Powershell, Python, etc.) are not supported.

Instance SelectionVS 2019 supports multiple installations on the same machine. The CMAKE_GENERATOR_INSTANCE variable may be set as a cache entry containing the absolute path to a Visual Studio instance. If the value is not specified explicitly by the user or a toolchain file, CMake queries the Visual Studio Installer to locate VS instances, chooses one, and sets the variable as a cache entry to hold the value persistently. When CMake first chooses an instance, if the VS160COMNTOOLS environment variable is set and points to the Common7/Tools directory within one of the instances, that instance will be used. Otherwise, if more than one instance is installed we do not define which one is chosen by default.

Platform SelectionThe default target platform name (architecture) is that of the host and is provided in the CMAKE_VS_PLATFORM_NAME_DEFAULT variable. The CMAKE_GENERATOR_PLATFORM variable may be set, perhaps via the cmake(1) −A option, to specify a target platform name (architecture). For example: • cmake −G "Visual Studio 16 2019" −A Win32 • cmake −G "Visual Studio 16 2019" −A x64 • cmake −G "Visual Studio 16 2019" −A ARM • cmake −G "Visual Studio 16 2019" −A ARM64

Toolset SelectionThe v142 toolset that comes with Visual Studio 16 2019 is selected by default. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset. For each toolset that comes with this version of Visual Studio, there are variants that are themselves compiled for 32−bit (x86) and 64−bit (x64) hosts (independent of the architecture they target). By default this generator uses the 64−bit variant on x64 hosts and the 32−bit variant otherwise. One may explicitly request use of either the 32−bit or 64−bit host tools by adding either host=x86 or host=x64 to the toolset specification. See the CMAKE_GENERATOR_TOOLSET variable for details.

Other Generators

Green Hills MULTIGenerates Green Hills MULTI project files (experimental, work−in−progress). The buildsystem has predetermined build−configuration settings that can be controlled via the CMAKE_BUILD_TYPE variable. Customizations that are used to pick toolset and target system: The −A <arch> can be supplied for setting the target architecture. <arch> usually is one of arm, ppc, 86, etcetera. If the target architecture is not specified then the default architecture of arm will be used. The −T <toolset> option can be used to set the directory location of the toolset. Both absolute and relative paths are valid. Relative paths use GHS_TOOLSET_ROOT as the root. If the toolset is not specified then the latest toolset found in GHS_TOOLSET_ROOT will be used. Cache variables that are used for toolset and target system customization: • GHS_TARGET_PLATFORM Defaults to integrity. Usual values are integrity, threadx, uvelosity, velosity, vxworks, standalone.• GHS_PRIMARY_TARGET Sets primaryTarget entry in project file. Defaults to <arch>_<GHS_TARGET_PLATFORM>.tgt.• GHS_TOOLSET_ROOT Root path for toolset searches. Defaults to C:/ghs in Windows or /usr/ghs in Linux.• GHS_OS_ROOT Root path for RTOS searches. Defaults to C:/ghs in Windows or /usr/ghs in Linux.• GHS_OS_DIR and GHS_OS_DIR_OPTION Sets −os_dir entry in project file. Defaults to latest platform OS installation at GHS_OS_ROOT. Set this value if a specific RTOS is to be used. GHS_OS_DIR_OPTION default value is −os_dir.• GHS_BSP_NAME Sets −bsp entry in project file. Defaults to sim<arch> for integrity platforms. Customizations are available through the following cache variables: • GHS_CUSTOMIZATION • GHS_GPJ_MACROS The following properties are available: • GHS_INTEGRITY_APP • GHS_NO_SOURCE_GROUP_FILE NOTE: This generator is deemed experimental as of CMake 3.18.4 and is still a work in progress. Future versions of CMake may make breaking changes as the generator matures.

XcodeGenerate Xcode project files. This supports Xcode 5.0 and above.

Toolset SelectionBy default Xcode is allowed to select its own default toolchain. The CMAKE_GENERATOR_TOOLSET option may be set, perhaps via the cmake(1) −T option, to specify another toolset.

EXTRA GENERATORSSome of the CMake Generators listed in the cmake(1) command−line tool −−help output may have variants that specify an extra generator for an auxiliary IDE tool. Such generator names have the form <extra−generator> − <main−generator>. The following extra generators are known to CMake.

CodeBlocksGenerates CodeBlocks project files. Project files for CodeBlocks will be created in the top directory and in every subdirectory which features a CMakeLists.txt file containing a project() call. Additionally a hierarchy of makefiles is generated into the build tree. The CMAKE_CODEBLOCKS_EXCLUDE_EXTERNAL_FILES variable may be set to ON to exclude any files which are located outside of the project root directory. The appropriate make program can build the project through the default all target. An install target is also provided. This “extra” generator may be specified as: CodeBlocks − MinGW Makefiles Generate with MinGW Makefiles. CodeBlocks − NMake Makefiles Generate with NMake Makefiles. CodeBlocks − NMake Makefiles JOM Generate with NMake Makefiles JOM. CodeBlocks − Ninja Generate with Ninja. CodeBlocks − Unix Makefiles Generate with Unix Makefiles.

CodeLiteGenerates CodeLite project files. Project files for CodeLite will be created in the top directory and in every subdirectory which features a CMakeLists.txt file containing a project() call. The CMAKE_CODELITE_USE_TARGETS variable may be set to ON to change the default behavior from projects to targets as the basis for project files. The appropriate make program can build the project through the default all target. An install target is also provided. This “extra” generator may be specified as: CodeLite − MinGW Makefiles Generate with MinGW Makefiles. CodeLite − NMake Makefiles Generate with NMake Makefiles. CodeLite − Ninja Generate with Ninja. CodeLite − Unix Makefiles Generate with Unix Makefiles.

Eclipse CDT4Generates Eclipse CDT 4.0 project files. Project files for Eclipse will be created in the top directory. In out of source builds, a linked resource to the top level source directory will be created. Additionally a hierarchy of makefiles is generated into the build tree. The appropriate make program can build the project through the default all target. An install target is also provided. This “extra” generator may be specified as: Eclipse CDT4 − MinGW Makefiles Generate with MinGW Makefiles. Eclipse CDT4 − NMake Makefiles Generate with NMake Makefiles. Eclipse CDT4 − Ninja Generate with Ninja. Eclipse CDT4 − Unix Makefiles Generate with Unix Makefiles.

KateGenerates Kate project files. A project file for Kate will be created in the top directory in the top level build directory. To use it in Kate, the Project plugin must be enabled. The project file is loaded in Kate by opening the ProjectName.kateproject file in the editor. If the Kate Build−plugin is enabled, all targets generated by CMake are available for building. This “extra” generator may be specified as: Kate − MinGW Makefiles Generate with MinGW Makefiles. Kate − NMake Makefiles Generate with NMake Makefiles. Kate − Ninja Generate with Ninja. Kate − Unix Makefiles Generate with Unix Makefiles.

Sublime Text 2Generates Sublime Text 2 project files. Project files for Sublime Text 2 will be created in the top directory and in every subdirectory which features a CMakeLists.txt file containing a project() call. Additionally Makefiles (or build.ninja files) are generated into the build tree. The appropriate make program can build the project through the default all target. An install target is also provided. This “extra” generator may be specified as: Sublime Text 2 − MinGW Makefiles Generate with MinGW Makefiles. Sublime Text 2 − NMake Makefiles Generate with NMake Makefiles. Sublime Text 2 − Ninja Generate with Ninja. Sublime Text 2 − Unix Makefiles Generate with Unix Makefiles.

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