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CMAKE-PRESETS(7) CMake CMAKE-PRESETS(7) NAME cmake-presets - CMakePresets.json INTRODUCTION Added in version 3.19. One problem that CMake users often face is sharing settings with other peo- ple for common ways to configure a project. This may be done to support CI builds, or for users who frequently use the same build. CMake supports two main files, CMakePresets.json and CMakeUserPresets.json, that allow users to specify common configure options and share them with others. CMake also supports files included with the include field. CMakePresets.json and CMakeUserPresets.json live in the project's root di- rectory. They both have exactly the same format, and both are optional (though at least one must be present if --preset is specified). CMakePre- sets.json is meant to specify project-wide build details, while CMakeUserP- resets.json is meant for developers to specify their own local build de- tails. CMakePresets.json may be checked into a version control system, and CMakeUserPresets.json should NOT be checked in. For example, if a project is using Git, CMakePresets.json may be tracked, and CMakeUserPresets.json should be added to the .gitignore. FORMAT The files are a JSON document with an object as the root: { "version": 10, "cmakeMinimumRequired": { "major": 3, "minor": 23, "patch": 0 }, "$comment": "An example CMakePresets.json file", "include": [ "otherThings.json", "moreThings.json" ], "configurePresets": [ { "$comment": [ "This is a comment row.", "This is another comment,", "just because we can do it" ], "name": "default", "displayName": "Default Config", "description": "Default build using Ninja generator", "generator": "Ninja", "binaryDir": "${sourceDir}/build/default", "cacheVariables": { "FIRST_CACHE_VARIABLE": { "type": "BOOL", "value": "OFF" }, "SECOND_CACHE_VARIABLE": "ON" }, "environment": { "MY_ENVIRONMENT_VARIABLE": "Test", "PATH": "$env{HOME}/ninja/bin:$penv{PATH}" }, "vendor": { "example.com/ExampleIDE/1.0": { "autoFormat": true } } }, { "name": "ninja-multi", "inherits": "default", "displayName": "Ninja Multi-Config", "description": "Default build using Ninja Multi-Config generator", "generator": "Ninja Multi-Config" }, { "name": "windows-only", "inherits": "default", "displayName": "Windows-only configuration", "description": "This build is only available on Windows", "condition": { "type": "equals", "lhs": "${hostSystemName}", "rhs": "Windows" } } ], "buildPresets": [ { "name": "default", "configurePreset": "default" } ], "testPresets": [ { "name": "default", "configurePreset": "default", "output": {"outputOnFailure": true}, "execution": {"noTestsAction": "error", "stopOnFailure": true} } ], "packagePresets": [ { "name": "default", "configurePreset": "default", "generators": [ "TGZ" ] } ], "workflowPresets": [ { "name": "default", "steps": [ { "type": "configure", "name": "default" }, { "type": "build", "name": "default" }, { "type": "test", "name": "default" }, { "type": "package", "name": "default" } ] } ], "vendor": { "example.com/ExampleIDE/1.0": { "autoFormat": false } } } Preset files specifying version 10 or above may include comments using the key $comment at any level within the JSON object to provide documentation. The root object recognizes the following fields: $schema An optional string that provides a URI to the JSON schema that de- scribes the structure of this JSON document. This field is used for validation and autocompletion in editors that support JSON schema. It doesn't affect the behavior of the document itself. If this field is not specified, the JSON document will still be valid, but tools that use JSON schema for validation and autocompletion may not func- tion correctly. This is allowed in preset files specifying version 8 or above. version A required integer representing the version of the JSON schema. The supported versions are: 1 Added in version 3.19. 2 Added in version 3.20. 3 Added in version 3.21. 4 Added in version 3.23. 5 Added in version 3.24. 6 Added in version 3.25. 7 Added in version 3.27. 8 Added in version 3.28. 9 Added in version 3.30. 10 Added in version 3.31. cmakeMinimumRequired An optional object representing the minimum version of CMake needed to build this project. This object consists of the following fields: major An optional integer representing the major version. minor An optional integer representing the minor version. patch An optional integer representing the patch version. include An optional array of strings representing files to include. If the filenames are not absolute, they are considered relative to the cur- rent file. This is allowed in preset files specifying version 4 or above. See Includes for discussion of the constraints on included files. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, the keys should be a vendor-spe- cific domain name followed by a /-separated path. For example, the Example IDE 1.0 could use example.com/ExampleIDE/1.0. The value of each field can be anything desired by the vendor, though will typi- cally be a map. configurePresets An optional array of Configure Preset objects. This is allowed in preset files specifying version 1 or above. buildPresets An optional array of Build Preset objects. This is allowed in pre- set files specifying version 2 or above. testPresets An optional array of Test Preset objects. This is allowed in preset files specifying version 2 or above. packagePresets An optional array of Package Preset objects. This is allowed in preset files specifying version 6 or above. workflowPresets An optional array of Workflow Preset objects. This is allowed in preset files specifying version 6 or above. Includes CMakePresets.json and CMakeUserPresets.json can include other files with the include field in file version 4 and later. Files included by these files can also include other files. If CMakePresets.json and CMakeUserPre- sets.json are both present, CMakeUserPresets.json implicitly includes CMakePresets.json, even with no include field, in all versions of the for- mat. If a preset file contains presets that inherit from presets in another file, the file must include the other file either directly or indirectly. Include cycles are not allowed among files. If a.json includes b.json, b.json cannot include a.json. However, a file may be included multiple times from the same file or from different files. Files directly or indirectly included from CMakePresets.json should be guaranteed to be provided by the project. CMakeUserPresets.json may include files from anywhere. Starting from version 7, the include field supports macro expansion, but only $penv{} macro expansion. Starting from version 9, other macro expan- sions are also available, except for $env{} and preset-specific macros, i.e., those derived from the fields inside a preset's definition like pre- setName. Configure Preset Each entry of the configurePresets array is a JSON object that may contain the following fields: name A required string representing the machine-friendly name of the pre- set. This identifier is used in the cmake --preset option. There must not be two configure presets in the union of CMakePresets.json and CMakeUserPresets.json in the same directory with the same name. However, a configure preset may have the same name as a build, test, package, or workflow preset. hidden An optional boolean specifying whether or not a preset should be hidden. If a preset is hidden, it cannot be used in the --preset= argument, will not show up in the CMake GUI, and does not have to have a valid generator or binaryDir, even from inheritance. hidden presets are intended to be used as a base for other presets to in- herit via the inherits field. inherits An optional array of strings representing the names of presets to inherit from. This field can also be a string, which is equivalent to an array containing one string. The preset will inherit all of the fields from the inherits presets by default (except name, hidden, inherits, description, and display- Name), but can override them as desired. If multiple inherits pre- sets provide conflicting values for the same field, the earlier pre- set in the inherits array will be preferred. A preset can only inherit from another preset that is defined in the same file or in one of the files it includes (directly or indi- rectly). Presets in CMakePresets.json may not inherit from presets in CMakeUserPresets.json. condition An optional Condition object. This is allowed in preset files speci- fying version 3 or above. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, it should follow the same conven- tions as the root-level vendor field. If vendors use their own per-preset vendor field, they should implement inheritance in a sen- sible manner when appropriate. displayName An optional string with a human-friendly name of the preset. description An optional string with a human-friendly description of the preset. generator An optional string representing the generator to use for the preset. If generator is not specified, it must be inherited from the inher- its preset (unless this preset is hidden). In version 3 or above, this field may be omitted to fall back to regular generator discov- ery procedure. Note that for Visual Studio generators, unlike in the command line -G argument, you cannot include the platform name in the generator name. Use the architecture field instead. architecture, toolset Optional fields representing the platform and toolset, respectively, for generators that support them. See cmake -A option for possible values for architecture and cmake -T for toolset. Each may be either a string or an object with the following fields: value An optional string representing the value. strategy An optional string telling CMake how to handle the architec- ture or toolset field. Valid values are: "set" Set the respective value. This will result in an error for generators that do not support the respective field. "external" Do not set the value, even if the generator supports it. This is useful if, for example, a preset uses the Ninja generator, and an IDE knows how to set up the Visual C++ environment from the architecture and toolset fields. In that case, CMake will ignore the field, but the IDE can use them to set up the environ- ment before invoking CMake. If no strategy field is given, or if the field uses the string form rather than the object form, the behavior is the same as "set". toolchainFile An optional string representing the path to the toolchain file. This field supports macro expansion. If a relative path is speci- fied, it is calculated relative to the build directory, and if not found, relative to the source directory. This field takes precedence over any CMAKE_TOOLCHAIN_FILE value. It is allowed in preset files specifying version 3 or above. graphviz An optional string representing the path to the graphviz input file, that will contain all the library and executable dependencies in the project. See the documentation for CMakeGraphVizOptions for more de- tails. This field supports macro expansion. If a relative path is speci- fied, it is calculated relative to the current working directory. It is allowed in preset files specifying version 10 or above. binaryDir An optional string representing the path to the output binary direc- tory. This field supports macro expansion. If a relative path is specified, it is calculated relative to the source directory. If bi- naryDir is not specified, it must be inherited from the inherits preset (unless this preset is hidden). In version 3 or above, this field may be omitted. installDir An optional string representing the path to the installation direc- tory. This field supports macro expansion. If a relative path is specified, it is calculated relative to the source directory. This is allowed in preset files specifying version 3 or above. cmakeExecutable An optional string representing the path to the CMake executable to use for this preset. This is reserved for use by IDEs, and is not used by CMake itself. IDEs that use this field should expand any macros in it. cacheVariables An optional map of cache variables. The key is the variable name (which may not be an empty string), and the value is either null, a boolean (which is equivalent to a value of "TRUE" or "FALSE" and a type of BOOL), a string representing the value of the variable (which supports macro expansion), or an object with the following fields: type An optional string representing the type of the variable. value A required string or boolean representing the value of the variable. A boolean is equivalent to "TRUE" or "FALSE". This field supports macro expansion. Cache variables are inherited through the inherits field, and the preset's variables will be the union of its own cacheVariables and the cacheVariables from all its parents. If multiple presets in this union define the same variable, the standard rules of inherits are applied. Setting a variable to null causes it to not be set, even if a value was inherited from another preset. environment An optional map of environment variables. The key is the variable name (which may not be an empty string), and the value is either null or a string representing the value of the variable. Each vari- able is set regardless of whether or not a value was given to it by the process's environment. This field supports macro expansion, and environment variables in this map may reference each other, and may be listed in any order, as long as such references do not cause a cycle (for example, if ENV_1 is $env{ENV_2}, ENV_2 may not be $env{ENV_1}). $penv{NAME} allows one to prepend or append values to existing environment vari- ables by accessing only values from the parent environment. Environment variables are inherited through the inherits field, and the preset's environment will be the union of its own environment and the environment from all its parents. If multiple presets in this union define the same variable, the standard rules of inherits are applied. Setting a variable to null causes it to not be set, even if a value was inherited from another preset. warnings An optional object specifying the warnings to enable. The object may contain the following fields: dev An optional boolean. Equivalent to passing -Wdev or -Wno-dev on the command line. This may not be set to false if er- rors.dev is set to true. deprecated An optional boolean. Equivalent to passing -Wdeprecated or -Wno-deprecated on the command line. This may not be set to false if errors.deprecated is set to true. uninitialized An optional boolean. Setting this to true is equivalent to passing --warn-uninitialized on the command line. unusedCli An optional boolean. Setting this to false is equivalent to passing --no-warn-unused-cli on the command line. systemVars An optional boolean. Setting this to true is equivalent to passing --check-system-vars on the command line. errors An optional object specifying the errors to enable. The object may contain the following fields: dev An optional boolean. Equivalent to passing -Werror=dev or -Wno-error=dev on the command line. This may not be set to true if warnings.dev is set to false. deprecated An optional boolean. Equivalent to passing -Werror=deprecated or -Wno-error=deprecated on the command line. This may not be set to true if warnings.deprecated is set to false. debug An optional object specifying debug options. The object may contain the following fields: output An optional boolean. Setting this to true is equivalent to passing --debug-output on the command line. tryCompile An optional boolean. Setting this to true is equivalent to passing --debug-trycompile on the command line. find An optional boolean. Setting this to true is equivalent to passing --debug-find on the command line. trace An optional object specifying trace options. This is allowed in pre- set files specifying version 7. The object may contain the following fields: mode An optional string that specifies the trace mode. Valid val- ues are: on Causes a trace of all calls made and from where to be printed. Equivalent to passing --trace on the command line. off A trace of all calls will not be printed. expand Causes a trace with variables expanded of all calls made and from where to be printed. Equivalent to pass- ing --trace-expand on the command line. format An optional string that specifies the format output of the trace. Valid values are: human Prints each trace line in a human-readable format. This is the default format. Equivalent to passing --trace-format=human on the command line. json-v1 Prints each line as a separate JSON document. Equiva- lent to passing --trace-format=json-v1 on the command line. source An optional array of strings representing the paths of source files to be traced. This field can also be a string, which is equivalent to an array containing one string. Equivalent to passing --trace-source on the command line. redirect An optional string specifying a path to a trace output file. Equivalent to passing --trace-redirect on the command line. Build Preset Each entry of the buildPresets array is a JSON object that may contain the following fields: name A required string representing the machine-friendly name of the pre- set. This identifier is used in the cmake --build --preset option. There must not be two build presets in the union of CMakePre- sets.json and CMakeUserPresets.json in the same directory with the same name. However, a build preset may have the same name as a con- figure, test, package, or workflow preset. hidden An optional boolean specifying whether or not a preset should be hidden. If a preset is hidden, it cannot be used in the --preset argument and does not have to have a valid configurePreset, even from inheritance. hidden presets are intended to be used as a base for other presets to inherit via the inherits field. inherits An optional array of strings representing the names of presets to inherit from. This field can also be a string, which is equivalent to an array containing one string. The preset will inherit all of the fields from the inherits presets by default (except name, hidden, inherits, description, and display- Name), but can override them as desired. If multiple inherits pre- sets provide conflicting values for the same field, the earlier pre- set in the inherits array will be preferred. A preset can only inherit from another preset that is defined in the same file or in one of the files it includes (directly or indi- rectly). Presets in CMakePresets.json may not inherit from presets in CMakeUserPresets.json. condition An optional Condition object. This is allowed in preset files speci- fying version 3 or above. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, it should follow the same conven- tions as the root-level vendor field. If vendors use their own per-preset vendor field, they should implement inheritance in a sen- sible manner when appropriate. displayName An optional string with a human-friendly name of the preset. description An optional string with a human-friendly description of the preset. environment An optional map of environment variables. The key is the variable name (which may not be an empty string), and the value is either null or a string representing the value of the variable. Each vari- able is set regardless of whether or not a value was given to it by the process's environment. This field supports macro expansion, and environment variables in this map may reference each other, and may be listed in any order, as long as such references do not cause a cycle (for example, if ENV_1 is $env{ENV_2}, ENV_2 may not be $env{ENV_1}). $penv{NAME} allows one to prepend or append values to existing environment vari- ables by accessing only values from the parent environment. Environment variables are inherited through the inherits field, and the preset's environment will be the union of its own environment and the environment from all its parents. If multiple presets in this union define the same variable, the standard rules of inherits are applied. Setting a variable to null causes it to not be set, even if a value was inherited from another preset. NOTE: For a CMake project using ExternalProject with a configuration preset having environment variables needed in the ExternalPro- ject, use a build preset that inherits that configuration preset or the ExternalProject will not have the environment variables set in the configuration preset. Example: suppose the host de- faults to one compiler (say Clang) and the user wishes to use an- other compiler (say GCC). Set configuration preset environment variables CC and CXX and use a build preset that inherits that configuration preset. Otherwise the ExternalProject may use a different (system default) compiler than the top-level CMake project. configurePreset An optional string specifying the name of a configure preset to as- sociate with this build preset. If configurePreset is not specified, it must be inherited from the inherits preset (unless this preset is hidden). The build directory is inferred from the configure preset, so the build will take place in the same binaryDir that the configu- ration did. inheritConfigureEnvironment An optional boolean that defaults to true. If true, the environment variables from the associated configure preset are inherited after all inherited build preset environments, but before environment variables explicitly specified in this build preset. jobs An optional integer. Equivalent to passing --parallel or -j on the command line. targets An optional string or array of strings. Equivalent to passing --target or -t on the command line. Vendors may ignore the targets property or hide build presets that explicitly specify targets. This field supports macro expansion. configuration An optional string. Equivalent to passing --config on the command line. cleanFirst An optional bool. If true, equivalent to passing --clean-first on the command line. resolvePackageReferences An optional string that specifies the package resolve mode. This is allowed in preset files specifying version 4 or above. Package references are used to define dependencies to packages from external package managers. Currently only NuGet in combination with the Visual Studio generator is supported. If there are no targets that define package references, this option does nothing. Valid val- ues are: on Causes package references to be resolved before attempting a build. off Package references will not be resolved. Note that this may cause errors in some build environments, such as .NET SDK style projects. only Only resolve package references, but do not perform a build. NOTE: The command line parameter --resolve-package-references will take priority over this setting. If the command line parameter is not provided and this setting is not specified, an environment-spe- cific cache variable will be evaluated to decide, if package restoration should be performed. When using the Visual Studio generator, package references are defined using the VS_PACKAGE_REFERENCES property. Package refer- ences are restored using NuGet. It can be disabled by setting the CMAKE_VS_NUGET_PACKAGE_RESTORE variable to OFF. This can also be done from within a configure preset. verbose An optional bool. If true, equivalent to passing --verbose on the command line. nativeToolOptions An optional array of strings. Equivalent to passing options after -- on the command line. The array values support macro expansion. Test Preset Each entry of the testPresets array is a JSON object that may contain the following fields: name A required string representing the machine-friendly name of the pre- set. This identifier is used in the ctest --preset option. There must not be two test presets in the union of CMakePresets.json and CMakeUserPresets.json in the same directory with the same name. However, a test preset may have the same name as a configure, build, package, or workflow preset. hidden An optional boolean specifying whether or not a preset should be hidden. If a preset is hidden, it cannot be used in the --preset argument and does not have to have a valid configurePreset, even from inheritance. hidden presets are intended to be used as a base for other presets to inherit via the inherits field. inherits An optional array of strings representing the names of presets to inherit from. This field can also be a string, which is equivalent to an array containing one string. The preset will inherit all of the fields from the inherits presets by default (except name, hidden, inherits, description, and display- Name), but can override them as desired. If multiple inherits pre- sets provide conflicting values for the same field, the earlier pre- set in the inherits array will be preferred. A preset can only inherit from another preset that is defined in the same file or in one of the files it includes (directly or indi- rectly). Presets in CMakePresets.json may not inherit from presets in CMakeUserPresets.json. condition An optional Condition object. This is allowed in preset files speci- fying version 3 or above. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, it should follow the same conven- tions as the root-level vendor field. If vendors use their own per-preset vendor field, they should implement inheritance in a sen- sible manner when appropriate. displayName An optional string with a human-friendly name of the preset. description An optional string with a human-friendly description of the preset. environment An optional map of environment variables. The key is the variable name (which may not be an empty string), and the value is either null or a string representing the value of the variable. Each vari- able is set regardless of whether or not a value was given to it by the process's environment. This field supports macro expansion, and environment variables in this map may reference each other, and may be listed in any order, as long as such references do not cause a cycle (for example, if ENV_1 is $env{ENV_2}, ENV_2 may not be $env{ENV_1}). $penv{NAME} allows one to prepend or append values to existing environment vari- ables by accessing only values from the parent environment. Environment variables are inherited through the inherits field, and the preset's environment will be the union of its own environment and the environment from all its parents. If multiple presets in this union define the same variable, the standard rules of inherits are applied. Setting a variable to null causes it to not be set, even if a value was inherited from another preset. configurePreset An optional string specifying the name of a configure preset to as- sociate with this test preset. If configurePreset is not specified, it must be inherited from the inherits preset (unless this preset is hidden). The build directory is inferred from the configure preset, so tests will run in the same binaryDir that the configuration did and build did. inheritConfigureEnvironment An optional boolean that defaults to true. If true, the environment variables from the associated configure preset are inherited after all inherited test preset environments, but before environment vari- ables explicitly specified in this test preset. configuration An optional string. Equivalent to passing --build-config on the com- mand line. overwriteConfigurationFile An optional array of configuration options to overwrite options specified in the CTest configuration file. Equivalent to passing --overwrite for each value in the array. The array values support macro expansion. output An optional object specifying output options. The object may contain the following fields. shortProgress An optional bool. If true, equivalent to passing --progress on the command line. verbosity An optional string specifying verbosity level. Must be one of the following: default Equivalent to passing no verbosity flags on the com- mand line. verbose Equivalent to passing --verbose on the command line. extra Equivalent to passing --extra-verbose on the command line. debug An optional bool. If true, equivalent to passing --debug on the command line. outputOnFailure An optional bool. If true, equivalent to passing --output-on-failure on the command line. quiet An optional bool. If true, equivalent to passing --quiet on the command line. outputLogFile An optional string specifying a path to a log file. Equiva- lent to passing --output-log on the command line. This field supports macro expansion. outputJUnitFile An optional string specifying a path to a JUnit file. Equiva- lent to passing --output-junit on the command line. This field supports macro expansion. This is allowed in preset files specifying version 6 or above. labelSummary An optional bool. If false, equivalent to passing --no-label-summary on the command line. subprojectSummary An optional bool. If false, equivalent to passing --no-subproject-summary on the command line. maxPassedTestOutputSize An optional integer specifying the maximum output for passed tests in bytes. Equivalent to passing --test-output-size-passed on the command line. maxFailedTestOutputSize An optional integer specifying the maximum output for failed tests in bytes. Equivalent to passing --test-output-size-failed on the command line. testOutputTruncation An optional string specifying the test output truncation mode. Equivalent to passing --test-output-truncation on the command line. This is allowed in preset files specifying ver- sion 5 or above. maxTestNameWidth An optional integer specifying the maximum width of a test name to output. Equivalent to passing --max-width on the com- mand line. filter An optional object specifying how to filter the tests to run. The object may contain the following fields. include An optional object specifying which tests to include. The ob- ject may contain the following fields. name An optional string specifying a regex for test names. Equivalent to passing --tests-regex on the command line. This field supports macro expansion. CMake regex syntax is described under string(REGEX). label An optional string specifying a regex for test labels. Equivalent to passing --label-regex on the command line. This field supports macro expansion. useUnion An optional bool. Equivalent to passing --union on the command line. index An optional object specifying tests to include by test index. The object may contain the following fields. Can also be an optional string specifying a file with the command line syntax for --tests-information. If specified as a string, this field supports macro ex- pansion. start An optional integer specifying a test index to start testing at. end An optional integer specifying a test index to stop testing at. stride An optional integer specifying the increment. specificTests An optional array of integers specifying spe- cific test indices to run. exclude An optional object specifying which tests to exclude. The ob- ject may contain the following fields. name An optional string specifying a regex for test names. Equivalent to passing --exclude-regex on the command line. This field supports macro expansion. label An optional string specifying a regex for test labels. Equivalent to passing --label-exclude on the command line. This field supports macro expansion. fixtures An optional object specifying which fixtures to ex- clude from adding tests. The object may contain the following fields. any An optional string specifying a regex for text fixtures to exclude from adding any tests. Equivalent to --fixture-exclude-any on the com- mand line. This field supports macro expansion. setup An optional string specifying a regex for text fixtures to exclude from adding setup tests. Equivalent to --fixture-exclude-setup on the command line. This field supports macro expan- sion. cleanup An optional string specifying a regex for text fixtures to exclude from adding cleanup tests. Equivalent to --fixture-exclude-cleanup on the command line. This field supports macro expan- sion. execution An optional object specifying options for test execution. The object may contain the following fields. stopOnFailure An optional bool. If true, equivalent to passing --stop-on-failure on the command line. enableFailover An optional bool. If true, equivalent to passing -F on the command line. jobs An optional integer. Equivalent to passing --parallel on the command line. resourceSpecFile An optional string. Equivalent to passing --resource-spec-file on the command line. This field supports macro expansion. testLoad An optional integer. Equivalent to passing --test-load on the command line. showOnly An optional string. Equivalent to passing --show-only on the command line. The string must be one of the following values: human json-v1 repeat An optional object specifying how to repeat tests. Equivalent to passing --repeat on the command line. The object must have the following fields. mode A required string. Must be one of the following val- ues: until-fail until-pass after-timeout count A required integer. interactiveDebugging An optional bool. If true, equivalent to passing --interactive-debug-mode 1 on the command line. If false, equivalent to passing --interactive-debug-mode 0 on the com- mand line. scheduleRandom An optional bool. If true, equivalent to passing --schedule-random on the command line. timeout An optional integer. Equivalent to passing --timeout on the command line. noTestsAction An optional string specifying the behavior if no tests are found. Must be one of the following values: default Equivalent to not passing any value on the command line. error Equivalent to passing --no-tests=error on the command line. ignore Equivalent to passing --no-tests=ignore on the command line. Package Preset Package presets may be used in schema version 6 or above. Each entry of the packagePresets array is a JSON object that may contain the following fields: name A required string representing the machine-friendly name of the pre- set. This identifier is used in the cpack --preset option. There must not be two package presets in the union of CMakePresets.json and CMakeUserPresets.json in the same directory with the same name. However, a package preset may have the same name as a configure, build, test, or workflow preset. hidden An optional boolean specifying whether or not a preset should be hidden. If a preset is hidden, it cannot be used in the --preset argument and does not have to have a valid configurePreset, even from inheritance. hidden presets are intended to be used as a base for other presets to inherit via the inherits field. inherits An optional array of strings representing the names of presets to inherit from. This field can also be a string, which is equivalent to an array containing one string. The preset will inherit all of the fields from the inherits presets by default (except name, hidden, inherits, description, and display- Name), but can override them as desired. If multiple inherits pre- sets provide conflicting values for the same field, the earlier pre- set in the inherits array will be preferred. A preset can only inherit from another preset that is defined in the same file or in one of the files it includes (directly or indi- rectly). Presets in CMakePresets.json may not inherit from presets in CMakeUserPresets.json. condition An optional Condition object. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, it should follow the same conven- tions as the root-level vendor field. If vendors use their own per-preset vendor field, they should implement inheritance in a sen- sible manner when appropriate. displayName An optional string with a human-friendly name of the preset. description An optional string with a human-friendly description of the preset. environment An optional map of environment variables. The key is the variable name (which may not be an empty string), and the value is either null or a string representing the value of the variable. Each vari- able is set regardless of whether or not a value was given to it by the process's environment. This field supports macro expansion, and environment variables in this map may reference each other, and may be listed in any order, as long as such references do not cause a cycle (for example, if ENV_1 is $env{ENV_2}, ENV_2 may not be $env{ENV_1}). $penv{NAME} allows one to prepend or append values to existing environment vari- ables by accessing only values from the parent environment. Environment variables are inherited through the inherits field, and the preset's environment will be the union of its own environment and the environment from all its parents. If multiple presets in this union define the same variable, the standard rules of inherits are applied. Setting a variable to null causes it to not be set, even if a value was inherited from another preset. configurePreset An optional string specifying the name of a configure preset to as- sociate with this package preset. If configurePreset is not speci- fied, it must be inherited from the inherits preset (unless this preset is hidden). The build directory is inferred from the config- ure preset, so packaging will run in the same binaryDir that the configuration did and build did. inheritConfigureEnvironment An optional boolean that defaults to true. If true, the environment variables from the associated configure preset are inherited after all inherited package preset environments, but before environment variables explicitly specified in this package preset. generators An optional array of strings representing generators for CPack to use. configurations An optional array of strings representing build configurations for CPack to package. variables An optional map of variables to pass to CPack, equivalent to -D ar- guments. Each key is the name of a variable, and the value is the string to assign to that variable. configFile An optional string representing the config file for CPack to use. output An optional object specifying output options. Valid keys are: debug An optional boolean specifying whether or not to print debug information. A value of true is equivalent to passing --debug on the command line. verbose An optional boolean specifying whether or not to print ver- bosely. A value of true is equivalent to passing --verbose on the command line. packageName An optional string representing the package name. packageVersion An optional string representing the package version. packageDirectory An optional string representing the directory in which to place the package. vendorName An optional string representing the vendor name. Workflow Preset Workflow presets may be used in schema version 6 or above. Each entry of the workflowPresets array is a JSON object that may contain the following fields: name A required string representing the machine-friendly name of the pre- set. This identifier is used in the cmake --workflow --preset op- tion. There must not be two workflow presets in the union of CMakeP- resets.json and CMakeUserPresets.json in the same directory with the same name. However, a workflow preset may have the same name as a configure, build, test, or package preset. vendor An optional map containing vendor-specific information. CMake does not interpret the contents of this field except to verify that it is a map if it does exist. However, it should follow the same conven- tions as the root-level vendor field. displayName An optional string with a human-friendly name of the preset. description An optional string with a human-friendly description of the preset. steps A required array of objects describing the steps of the workflow. The first step must be a configure preset, and all subsequent steps must be non- configure presets whose configurePreset field matches the starting configure preset. Each object may contain the following fields: type A required string. The first step must be configure. Subse- quent steps must be either build, test, or package. name A required string representing the name of the configure, build, test, or package preset to run as this workflow step. Condition The condition field of a preset, allowed in preset files specifying version 3 or above, is used to determine whether or not the preset is enabled. For example, this can be used to disable a preset on platforms other than Win- dows. condition may be either a boolean, null, or an object. If it is a boolean, the boolean indicates whether the preset is enabled or disabled. If it is null, the preset is enabled, but the null condition is not inher- ited by any presets that may inherit from the preset. Sub-conditions (for example in a not, anyOf, or allOf condition) may not be null. If it is an object, it has the following fields: type A required string with one of the following values: "const" Indicates that the condition is constant. This is equivalent to using a boolean in place of the object. The condition ob- ject will have the following additional fields: value A required boolean which provides a constant value for the condition's evaluation. "equals" "notEquals" Indicates that the condition compares two strings to see if they are equal (or not equal). The condition object will have the following additional fields: lhs First string to compare. This field supports macro ex- pansion. rhs Second string to compare. This field supports macro expansion. "inList" "notInList" Indicates that the condition searches for a string in a list of strings. The condition object will have the following ad- ditional fields: string A required string to search for. This field supports macro expansion. list A required array of strings to search. This field sup- ports macro expansion, and uses short-circuit evalua- tion. "matches" "notMatches" Indicates that the condition searches for a regular expres- sion in a string. The condition object will have the follow- ing additional fields: string A required string to search. This field supports macro expansion. regex A required regular expression to search for. This field supports macro expansion. "anyOf" "allOf" Indicates that the condition is an aggregation of zero or more nested conditions. The condition object will have the following additional fields: conditions A required array of condition objects. These conditions use short-circuit evaluation. "not" Indicates that the condition is an inversion of another con- dition. The condition object will have the following addi- tional fields: condition A required condition object. Macro Expansion As mentioned above, some fields support macro expansion. Macros are recog- nized in the form $<macro-namespace>{<macro-name>}. All macros are evalu- ated in the context of the preset being used, even if the macro is in a field that was inherited from another preset. For example, if the Base pre- set sets variable PRESET_NAME to ${presetName}, and the Derived preset in- herits from Base, PRESET_NAME will be set to Derived. It is an error to not put a closing brace at the end of a macro name. For example, ${sourceDir is invalid. A dollar sign ($) followed by anything other than a left curly brace ({) with a possible namespace is interpreted as a literal dollar sign. Recognized macros include: ${sourceDir} Path to the project source directory (i.e. the same as CMAKE_SOURCE_DIR). ${sourceParentDir} Path to the project source directory's parent directory. ${sourceDirName} The last filename component of ${sourceDir}. For example, if ${sourceDir} is /path/to/source, this would be source. ${presetName} Name specified in the preset's name field. This is a preset-specific macro. ${generator} Generator specified in the preset's generator field. For build and test presets, this will evaluate to the generator specified by con- figurePreset. This is a preset-specific macro. ${hostSystemName} The name of the host operating system. Contains the same value as CMAKE_HOST_SYSTEM_NAME. This is allowed in preset files specifying version 3 or above. ${fileDir} Path to the directory containing the preset file which contains the macro. This is allowed in preset files specifying version 4 or above. ${dollar} A literal dollar sign ($). ${pathListSep} Native character for separating lists of paths, such as : or ;. For example, by setting PATH to /path/to/ninja/bin${pathList- Sep}$env{PATH}, ${pathListSep} will expand to the underlying operat- ing system's character used for concatenation in PATH. This is allowed in preset files specifying version 5 or above. $env{<variable-name>} Environment variable with name <variable-name>. The variable name may not be an empty string. If the variable is defined in the envi- ronment field, that value is used instead of the value from the par- ent environment. If the environment variable is not defined, this evaluates as an empty string. Note that while Windows environment variable names are case-insensi- tive, variable names within a preset are still case-sensitive. This may lead to unexpected results when using inconsistent casing. For best results, keep the casing of environment variable names consis- tent. $penv{<variable-name>} Similar to $env{<variable-name>}, except that the value only comes from the parent environment, and never from the environment field. This allows one to prepend or append values to existing environment variables. For example, setting PATH to /path/to/ninja/bin:$penv{PATH} will prepend /path/to/ninja/bin to the PATH environment variable. This is needed because $env{<vari- able-name>} does not allow circular references. $vendor{<macro-name>} An extension point for vendors to insert their own macros. CMake will not be able to use presets which have a $vendor{<macro-name>} macro, and effectively ignores such presets. However, it will still be able to use other presets from the same file. CMake does not make any attempt to interpret $vendor{<macro-name>} macros. However, to avoid name collisions, IDE vendors should prefix <macro-name> with a very short (preferably <= 4 characters) vendor identifier prefix, followed by a ., followed by the macro name. For example, the Example IDE could have $vendor{xide.ideInstallDir}. SCHEMA This file provides a machine-readable JSON schema for the CMakePresets.json format. COPYRIGHT 2000-2024 Kitware, Inc. and Contributors 3.31.12 Jul 30, 2026 CMAKE-PRESETS(7)
NAME | INTRODUCTION | FORMAT | SCHEMA | COPYRIGHT
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