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Add toolchain files from exemplar, preserving history
This merge commit adds all the CMake toolchain files developed as part of beman.exemplar, and preserves rewritten copies of all the commits that updated the toolchain files by applying a git filter-repo command.
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‎cmake/appleclang-toolchain.cmake‎

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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# This toolchain file is not meant to be used directly,
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# but to be invoked by CMake preset and GitHub CI.
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#
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# This toolchain file configures for apple clang family of compiler.
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# Note this is different from LLVM toolchain.
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#
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# BEMAN_BUILDSYS_SANITIZER:
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# This optional CMake parameter is not meant for public use and is subject to
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# change.
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# Possible values:
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# - MaxSan: configures clang and clang++ to use all available non-conflicting
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# sanitizers. Note that apple clang does not support leak sanitizer.
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# - TSan: configures clang and clang++ to enable the use of thread sanitizer.
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include_guard(GLOBAL)
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# Prevent PATH collision with an LLVM clang installation by using the system
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# compiler shims
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set(CMAKE_C_COMPILER cc)
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set(CMAKE_CXX_COMPILER c++)
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if(BEMAN_BUILDSYS_SANITIZER STREQUAL "MaxSan")
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set(SANITIZER_FLAGS
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"-fsanitize=address -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=undefined"
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)
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elseif(BEMAN_BUILDSYS_SANITIZER STREQUAL "TSan")
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set(SANITIZER_FLAGS "-fsanitize=thread")
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endif()
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set(CMAKE_C_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(RELEASE_FLAGS "-O3 ${SANITIZER_FLAGS}")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")

‎cmake/gnu-toolchain.cmake‎

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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# This toolchain file is not meant to be used directly,
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# but to be invoked by CMake preset and GitHub CI.
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#
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# This toolchain file configures for GNU family of compiler.
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#
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# BEMAN_BUILDSYS_SANITIZER:
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# This optional CMake parameter is not meant for public use and is subject to
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# change.
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# Possible values:
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# - MaxSan: configures gcc and g++ to use all available non-conflicting
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# sanitizers.
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# - TSan: configures gcc and g++ to enable the use of thread sanitizer
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include_guard(GLOBAL)
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set(CMAKE_C_COMPILER gcc)
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set(CMAKE_CXX_COMPILER g++)
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if(BEMAN_BUILDSYS_SANITIZER STREQUAL "MaxSan")
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set(SANITIZER_FLAGS
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"-fsanitize=address -fsanitize=leak -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=undefined -fsanitize-undefined-trap-on-error"
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)
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elseif(BEMAN_BUILDSYS_SANITIZER STREQUAL "TSan")
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set(SANITIZER_FLAGS "-fsanitize=thread")
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endif()
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set(CMAKE_C_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(RELEASE_FLAGS "-O3 ${SANITIZER_FLAGS}")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")

‎cmake/llvm-toolchain.cmake‎

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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# This toolchain file is not meant to be used directly,
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# but to be invoked by CMake preset and GitHub CI.
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#
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# This toolchain file configures for LLVM family of compiler.
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#
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# BEMAN_BUILDSYS_SANITIZER:
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# This optional CMake parameter is not meant for public use and is subject to
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# change.
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# Possible values:
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# - MaxSan: configures clang and clang++ to use all available non-conflicting
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# sanitizers.
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# - TSan: configures clang and clang++ to enable the use of thread sanitizer.
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include_guard(GLOBAL)
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set(CMAKE_C_COMPILER clang)
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set(CMAKE_CXX_COMPILER clang++)
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if(BEMAN_BUILDSYS_SANITIZER STREQUAL "MaxSan")
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set(SANITIZER_FLAGS
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"-fsanitize=address -fsanitize=leak -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=undefined -fsanitize-undefined-trap-on-error"
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)
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elseif(BEMAN_BUILDSYS_SANITIZER STREQUAL "TSan")
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set(SANITIZER_FLAGS "-fsanitize=thread")
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endif()
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set(CMAKE_C_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "${SANITIZER_FLAGS}")
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set(RELEASE_FLAGS "-O3 ${SANITIZER_FLAGS}")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")

‎cmake/msvc-toolchain.cmake‎

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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# This toolchain file is not meant to be used directly,
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# but to be invoked by CMake preset and GitHub CI.
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#
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# This toolchain file configures for MSVC family of compiler.
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#
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# BEMAN_BUILDSYS_SANITIZER:
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# This optional CMake parameter is not meant for public use and is subject to
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# change.
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# Possible values:
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# - MaxSan: configures cl to use all available non-conflicting sanitizers.
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#
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# Note that in other toolchain files, TSan is also a possible value for
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# BEMAN_BUILDSYS_SANITIZER, however, MSVC does not support thread sanitizer,
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# thus this value is omitted.
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include_guard(GLOBAL)
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set(CMAKE_C_COMPILER cl)
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set(CMAKE_CXX_COMPILER cl)
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if(BEMAN_BUILDSYS_SANITIZER STREQUAL "MaxSan")
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# /Zi flag (add debug symbol) is needed when using address sanitizer
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# See C5072: https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-c5072
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set(SANITIZER_FLAGS "/fsanitize=address /Zi")
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endif()
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "/EHsc /permissive- ${SANITIZER_FLAGS}")
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set(CMAKE_C_FLAGS_DEBUG_INIT "/EHsc /permissive- ${SANITIZER_FLAGS}")
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set(RELEASE_FLAGS "/EHsc /permissive- /O2 ${SANITIZER_FLAGS}")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "${RELEASE_FLAGS}")
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set(CMAKE_C_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "${RELEASE_FLAGS}")

‎cmake/use-fetch-content.cmake‎

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cmake_minimum_required(VERSION 3.24)
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include(FetchContent)
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if(NOT BEMAN_EXEMPLAR_LOCKFILE)
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set(BEMAN_EXEMPLAR_LOCKFILE
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"lockfile.json"
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CACHE FILEPATH
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"Path to the dependency lockfile for the Beman Exemplar."
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)
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endif()
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set(BemanExemplar_projectDir "${CMAKE_CURRENT_LIST_DIR}/..")
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message(TRACE "BemanExemplar_projectDir=\"${BemanExemplar_projectDir}\"")
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message(TRACE "BEMAN_EXEMPLAR_LOCKFILE=\"${BEMAN_EXEMPLAR_LOCKFILE}\"")
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file(
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REAL_PATH
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"${BEMAN_EXEMPLAR_LOCKFILE}"
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BemanExemplar_lockfile
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BASE_DIRECTORY "${BemanExemplar_projectDir}"
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EXPAND_TILDE
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)
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message(DEBUG "Using lockfile: \"${BemanExemplar_lockfile}\"")
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# Force CMake to reconfigure the project if the lockfile changes
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set_property(
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DIRECTORY "${BemanExemplar_projectDir}"
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APPEND
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PROPERTY CMAKE_CONFIGURE_DEPENDS "${BemanExemplar_lockfile}"
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)
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# For more on the protocol for this function, see:
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# https://cmake.org/cmake/help/latest/command/cmake_language.html#provider-commands
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function(BemanExemplar_provideDependency method package_name)
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# Read the lockfile
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file(READ "${BemanExemplar_lockfile}" BemanExemplar_rootObj)
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# Get the "dependencies" field and store it in BemanExemplar_dependenciesObj
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string(
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JSON
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BemanExemplar_dependenciesObj
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_rootObj}"
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"dependencies"
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)
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if(BemanExemplar_error)
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message(FATAL_ERROR "${BemanExemplar_lockfile}: ${BemanExemplar_error}")
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endif()
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# Get the length of the libraries array and store it in BemanExemplar_dependenciesObj
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string(
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JSON
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BemanExemplar_numDependencies
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ERROR_VARIABLE BemanExemplar_error
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LENGTH "${BemanExemplar_dependenciesObj}"
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)
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if(BemanExemplar_error)
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message(FATAL_ERROR "${BemanExemplar_lockfile}: ${BemanExemplar_error}")
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endif()
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# Loop over each dependency object
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math(EXPR BemanExemplar_maxIndex "${BemanExemplar_numDependencies} - 1")
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foreach(BemanExemplar_index RANGE "${BemanExemplar_maxIndex}")
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set(BemanExemplar_errorPrefix
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"${BemanExemplar_lockfile}, dependency ${BemanExemplar_index}"
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)
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# Get the dependency object at BemanExemplar_index
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# and store it in BemanExemplar_depObj
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string(
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JSON
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BemanExemplar_depObj
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_dependenciesObj}"
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"${BemanExemplar_index}"
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)
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if(BemanExemplar_error)
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message(
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FATAL_ERROR
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"${BemanExemplar_errorPrefix}: ${BemanExemplar_error}"
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)
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endif()
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# Get the "name" field and store it in BemanExemplar_name
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string(
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JSON
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BemanExemplar_name
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_depObj}"
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"name"
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)
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if(BemanExemplar_error)
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message(
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FATAL_ERROR
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"${BemanExemplar_errorPrefix}: ${BemanExemplar_error}"
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)
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endif()
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# Get the "package_name" field and store it in BemanExemplar_pkgName
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string(
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JSON
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BemanExemplar_pkgName
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_depObj}"
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"package_name"
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)
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if(BemanExemplar_error)
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message(
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FATAL_ERROR
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"${BemanExemplar_errorPrefix}: ${BemanExemplar_error}"
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)
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endif()
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# Get the "git_repository" field and store it in BemanExemplar_repo
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string(
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JSON
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BemanExemplar_repo
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_depObj}"
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"git_repository"
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)
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if(BemanExemplar_error)
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message(
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FATAL_ERROR
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"${BemanExemplar_errorPrefix}: ${BemanExemplar_error}"
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)
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endif()
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# Get the "git_tag" field and store it in BemanExemplar_tag
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string(
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JSON
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BemanExemplar_tag
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ERROR_VARIABLE BemanExemplar_error
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GET "${BemanExemplar_depObj}"
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"git_tag"
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)
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if(BemanExemplar_error)
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message(
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FATAL_ERROR
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"${BemanExemplar_errorPrefix}: ${BemanExemplar_error}"
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)
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endif()
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if(method STREQUAL "FIND_PACKAGE")
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if(package_name STREQUAL BemanExemplar_pkgName)
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string(
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APPEND
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BemanExemplar_debug
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"Redirecting find_package calls for ${BemanExemplar_pkgName} "
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"to FetchContent logic fetching ${BemanExemplar_repo} at "
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"${BemanExemplar_tag} according to ${BemanExemplar_lockfile}."
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)
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message(DEBUG "${BemanExemplar_debug}")
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FetchContent_Declare(
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"${BemanExemplar_name}"
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GIT_REPOSITORY "${BemanExemplar_repo}"
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GIT_TAG "${BemanExemplar_tag}"
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EXCLUDE_FROM_ALL
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)
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set(INSTALL_GTEST OFF) # Disable GoogleTest installation
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FetchContent_MakeAvailable("${BemanExemplar_name}")
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# Important! <PackageName>_FOUND tells CMake that `find_package` is
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# not needed for this package anymore
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set("${BemanExemplar_pkgName}_FOUND" TRUE PARENT_SCOPE)
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endif()
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endif()
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endforeach()
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endfunction()
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cmake_language(
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SET_DEPENDENCY_PROVIDER BemanExemplar_provideDependency
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SUPPORTED_METHODS FIND_PACKAGE
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)

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