{"id":15068107,"url":"https://github.com/mikekasprzak/requirecxxfeature","last_synced_at":"2026-02-02T10:31:57.327Z","repository":{"id":248274593,"uuid":"828246371","full_name":"mikekasprzak/RequireCXXFeature","owner":"mikekasprzak","description":"Simple cmake module to specify required C++ and standard library features","archived":false,"fork":false,"pushed_at":"2024-07-13T15:20:42.000Z","size":5,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-16T04:32:41.284Z","etag":null,"topics":["cmake","cmake-modules","cplusplus","cplusplus-20","cpp"],"latest_commit_sha":null,"homepage":"","language":"CMake","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mikekasprzak.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-07-13T14:53:28.000Z","updated_at":"2024-07-13T15:20:45.000Z","dependencies_parsed_at":"2024-07-13T16:44:07.772Z","dependency_job_id":null,"html_url":"https://github.com/mikekasprzak/RequireCXXFeature","commit_stats":null,"previous_names":["mikekasprzak/requirecxxfeature"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mikekasprzak%2FRequireCXXFeature","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mikekasprzak%2FRequireCXXFeature/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mikekasprzak%2FRequireCXXFeature/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mikekasprzak%2FRequireCXXFeature/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mikekasprzak","download_url":"https://codeload.github.com/mikekasprzak/RequireCXXFeature/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":242059203,"owners_count":20065253,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cmake","cmake-modules","cplusplus","cplusplus-20","cpp"],"created_at":"2024-09-25T01:30:37.581Z","updated_at":"2026-02-02T10:31:57.295Z","avatar_url":"https://github.com/mikekasprzak.png","language":"CMake","funding_links":[],"categories":[],"sub_categories":[],"readme":"# RequireCXXFeature\nA set of cmake modules for specifing required C++ and C++ standard library features. It works by checking for\nC++20 feature test macros. It builds on the built-in `CheckCXXSymbolExists` cmake module by providing a simpler syntax.\n\n## Usage\nAdd the `.cmake` files to your project, then include and use them.\n\n### CMakeFiles.txt\n```cmake\n...\n\ninclude (RequireCXXFeature.cmake)\n# Reference: https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#table-of-feature-test-macros\n\n# Required C++ features\nrequire_cxx_feature(__cpp_constexpr)\nrequire_cxx_feature(__cpp_decltype_auto)\nrequire_cxx_feature(__cpp_lib_coroutine)\nrequire_cxx_feature(__cpp_lib_format)\n\n```\n\n## Polyfilling a C++ feature with CheckCXXFeature\nInstead of raising an error, `CheckCXXFeature` sets a variable if the requested C++ feature flag is found.\n\n```cmake\n...\n\ninclude (CheckCXXFeature.cmake)\ninclude (RequireCXXFeature.cmake)\n# Reference: https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#table-of-feature-test-macros\n\n# Required C++ features\nrequire_cxx_feature(__cpp_constexpr)\nrequire_cxx_feature(__cpp_decltype_auto)\nrequire_cxx_feature(__cpp_lib_coroutine) \ncheck_cxx_feature(__cpp_lib_format HAS_LIB_FORMAT)\nif (NOT DEFINED \"${HAS_LIB_FORMAT}\")\n  # polyfill config goes here\nendif()\n```\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmikekasprzak%2Frequirecxxfeature","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmikekasprzak%2Frequirecxxfeature","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmikekasprzak%2Frequirecxxfeature/lists"}