diff options
Diffstat (limited to 'share/cmake-3.18/Modules/Platform/Android/Determine-Compiler-NDK.cmake')
| -rw-r--r-- | share/cmake-3.18/Modules/Platform/Android/Determine-Compiler-NDK.cmake | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/Platform/Android/Determine-Compiler-NDK.cmake b/share/cmake-3.18/Modules/Platform/Android/Determine-Compiler-NDK.cmake new file mode 100644 index 0000000..f56e1d5 --- /dev/null +++ b/share/cmake-3.18/Modules/Platform/Android/Determine-Compiler-NDK.cmake @@ -0,0 +1,271 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +# In Android NDK r19 and above there is a single clang toolchain. +if(CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED) + if(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION AND NOT CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION STREQUAL "clang") + message(FATAL_ERROR + "Android: The CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION value '${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}' " + "is not supported by this NDK. It must be 'clang' or not set at all." + ) + endif() + message(STATUS "Android: Selected unified Clang toolchain") + set(_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION "clang") + set(_ANDROID_TOOL_C_COMPILER "${CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED}/bin/clang${_ANDROID_HOST_EXT}") + set(_ANDROID_TOOL_C_TOOLCHAIN_MACHINE "${CMAKE_ANDROID_ARCH_TRIPLE}") + set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "") + set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN "") + set(_ANDROID_TOOL_C_TOOLCHAIN_PREFIX "${CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED}/bin/${CMAKE_ANDROID_ARCH_TRIPLE}-") + set(_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX "${_ANDROID_HOST_EXT}") + set(_ANDROID_TOOL_CXX_COMPILER "${CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED}/bin/clang++${_ANDROID_HOST_EXT}") + set(_ANDROID_TOOL_CXX_TOOLCHAIN_MACHINE "${CMAKE_ANDROID_ARCH_TRIPLE}") + set(_ANDROID_TOOL_CXX_TOOLCHAIN_VERSION "") + set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "") + set(_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX "${CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED}/bin/${CMAKE_ANDROID_ARCH_TRIPLE}-") + set(_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX "${_ANDROID_HOST_EXT}") + set(_CMAKE_TOOLCHAIN_PREFIX "${CMAKE_ANDROID_ARCH_TRIPLE}-") + return() +endif() + +# In Android NDK releases there is build system toolchain selection logic in +# these files: +# +# * <ndk>/build/core/init.mk +# * <ndk>/build/core/setup-toolchain.mk +# * <ndk>/[build/core/]toolchains/<toolchain>/{config.mk,setup.mk} +# +# We parse information out of the ``config.mk`` and ``setup.mk`` files below. +# +# There is also a "toolchains" directory with the prebuilt toolchains themselves: +# +# * <triple-or-arch>-<gcc-version>/prebuilt/<host>/bin/<triple>-gcc(.exe)? +# The gcc compiler to be invoked. +# +# * llvm*/prebuilt/<host>/bin/clang +# The clang compiler to be invoked with flags: +# -target <triple> +# -gcc-toolchain <ndk>/toolchains/<triple-or-arch>-<gcc-version> + +# Glob available toolchains in the NDK, restricted by any version request. +if(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION STREQUAL "clang") + set(_ANDROID_TOOL_PATTERNS "*-clang" "*-clang[0-9].[0-9]") +elseif(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION) + if(NOT CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION MATCHES "^(clang)?[0-9]\\.[0-9]$") + message(FATAL_ERROR + "Android: The CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION value '${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}' " + "is not one of the allowed forms:\n" + " <major>.<minor> = GCC of specified version\n" + " clang<major>.<minor> = Clang of specified version\n" + " clang = Clang of most recent available version\n" + ) + endif() + set(_ANDROID_TOOL_PATTERNS "*-${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}") +else() + # If we can find any gcc toolchains then use one by default. + # Otherwise we look for clang toolchains (e.g. NDK r18+). + file(GLOB _ANDROID_CONFIG_MKS_FOR_GCC + "${CMAKE_ANDROID_NDK}/build/core/toolchains/*-[0-9].[0-9]/config.mk" + "${CMAKE_ANDROID_NDK}/toolchains/*-[0-9].[0-9]/config.mk" + ) + if(_ANDROID_CONFIG_MKS_FOR_GCC) + set(_ANDROID_TOOL_PATTERNS "*-[0-9].[0-9]") + else() + set(_ANDROID_TOOL_PATTERNS "*-clang") + endif() + unset(_ANDROID_CONFIG_MKS_FOR_GCC) +endif() +set(_ANDROID_CONFIG_MK_PATTERNS) +foreach(base "build/core/toolchains" "toolchains") + foreach(pattern IN LISTS _ANDROID_TOOL_PATTERNS) + list(APPEND _ANDROID_CONFIG_MK_PATTERNS + "${CMAKE_ANDROID_NDK}/${base}/${pattern}/config.mk" + ) + endforeach() +endforeach() +unset(_ANDROID_TOOL_PATTERNS) +file(GLOB _ANDROID_CONFIG_MKS ${_ANDROID_CONFIG_MK_PATTERNS}) +unset(_ANDROID_CONFIG_MK_PATTERNS) + +# Find the newest toolchain version matching the ABI. +set(_ANDROID_TOOL_NAME "") +set(_ANDROID_TOOL_VERS 0) +set(_ANDROID_TOOL_VERS_NDK "") +set(_ANDROID_TOOL_SETUP_MK "") +foreach(config_mk IN LISTS _ANDROID_CONFIG_MKS) + # Check that the toolchain matches the ABI. + file(STRINGS "${config_mk}" _ANDROID_TOOL_ABIS REGEX "^TOOLCHAIN_ABIS :=.* ${CMAKE_ANDROID_ARCH_ABI}( |$)") + if(NOT _ANDROID_TOOL_ABIS) + continue() + endif() + unset(_ANDROID_TOOL_ABIS) + + # Check the version. + if("${config_mk}" MATCHES [[/([^/]+-((clang)?([0-9]\.[0-9]|)))/config.mk$]]) + set(_ANDROID_CUR_NAME "${CMAKE_MATCH_1}") + set(_ANDROID_CUR_VERS "${CMAKE_MATCH_4}") + set(_ANDROID_CUR_VERS_NDK "${CMAKE_MATCH_2}") + if(_ANDROID_TOOL_VERS STREQUAL "") + # already the latest possible + elseif(_ANDROID_CUR_VERS STREQUAL "" OR _ANDROID_CUR_VERS VERSION_GREATER _ANDROID_TOOL_VERS) + set(_ANDROID_TOOL_NAME "${_ANDROID_CUR_NAME}") + set(_ANDROID_TOOL_VERS "${_ANDROID_CUR_VERS}") + set(_ANDROID_TOOL_VERS_NDK "${_ANDROID_CUR_VERS_NDK}") + string(REPLACE "/config.mk" "/setup.mk" _ANDROID_TOOL_SETUP_MK "${config_mk}") + endif() + unset(_ANDROID_CUR_TOOL) + unset(_ANDROID_CUR_VERS) + unset(_ANDROID_CUR_VERS_NDK) + endif() +endforeach() + +# Verify that we have a suitable toolchain. +if(NOT _ANDROID_TOOL_NAME) + if(_ANDROID_CONFIG_MKS) + string(REPLACE ";" "\n " _ANDROID_TOOLS_MSG "after considering:;${_ANDROID_CONFIG_MKS}") + else() + set(_ANDROID_TOOLS_MSG "") + endif() + if(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION) + string(CONCAT _ANDROID_TOOLS_MSG + "of the version specified by CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION:\n" + " ${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}\n" + "${_ANDROID_TOOLS_MSG}") + endif() + message(FATAL_ERROR + "Android: No toolchain for ABI '${CMAKE_ANDROID_ARCH_ABI}' found in the NDK:\n" + " ${CMAKE_ANDROID_NDK}\n" + "${_ANDROID_TOOLS_MSG}" + ) +endif() +unset(_ANDROID_CONFIG_MKS) + +# For clang toolchains we still need to find a gcc toolchain. +if(_ANDROID_TOOL_NAME MATCHES "-clang") + set(_ANDROID_TOOL_CLANG_NAME "${_ANDROID_TOOL_NAME}") + set(_ANDROID_TOOL_CLANG_VERS "${_ANDROID_TOOL_VERS}") + set(_ANDROID_TOOL_NAME "") + set(_ANDROID_TOOL_VERS "") +else() + set(_ANDROID_TOOL_CLANG_NAME "") + set(_ANDROID_TOOL_CLANG_VERS "") +endif() + +# Parse the toolchain setup.mk file to extract information we need. +# Their content is not standardized across toolchains or NDK versions, +# so we match known cases. Note that the parsing is stateful across +# lines because we need to substitute for some Make variable references. +if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG) + message(STATUS "loading: ${_ANDROID_TOOL_SETUP_MK}") +endif() +file(STRINGS "${_ANDROID_TOOL_SETUP_MK}" _ANDROID_TOOL_SETUP REGEX "^(LLVM|TOOLCHAIN)_[A-Z_]+ +:= +.*$") +unset(_ANDROID_TOOL_SETUP_MK) +set(_ANDROID_TOOL_PREFIX "") +set(_ANDROID_TOOL_NAME_ONLY "") +set(_ANDROID_TOOL_LLVM_NAME "llvm") +set(_ANDROID_TOOL_LLVM_VERS "") +foreach(line IN LISTS _ANDROID_TOOL_SETUP) + if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG) + message(STATUS "setup.mk: ${line}") + endif() + + if(line MATCHES [[^TOOLCHAIN_PREFIX +:= +.*/bin/([^$/ ]*) *$]]) + # We just matched the toolchain prefix with no Make variable references. + set(_ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}") + elseif(_ANDROID_TOOL_CLANG_NAME) + # For clang toolchains we need to find more information. + if(line MATCHES [[^TOOLCHAIN_VERSION +:= +([0-9.]+) *$]]) + # We just matched the gcc toolchain version number. Save it for later. + set(_ANDROID_TOOL_VERS "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^TOOLCHAIN_NAME +:= +(.*\$\(TOOLCHAIN_VERSION\)) *$]]) + # We just matched the gcc toolchain name with a version number placeholder, so substitute it. + # The gcc toolchain version number will have already been extracted from a TOOLCHAIN_VERSION line. + string(REPLACE "$(TOOLCHAIN_VERSION)" "${_ANDROID_TOOL_VERS}" _ANDROID_TOOL_NAME "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^TOOLCHAIN_NAME +:= +([^$/ ]+) *$]]) + # We just matched the gcc toolchain name without version number. Save it for later. + set(_ANDROID_TOOL_NAME_ONLY "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^TOOLCHAIN_PREFIX +:= +.*/bin/(\$\(TOOLCHAIN_NAME\)-) *$]]) + # We just matched the toolchain prefix with a name placholder, so substitute it. + # The gcc toolchain name will have already been extracted without version number from a TOOLCHAIN_NAME line. + string(REPLACE "$(TOOLCHAIN_NAME)" "${_ANDROID_TOOL_NAME_ONLY}" _ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^LLVM_VERSION +:= +([0-9.]+)$]]) + # We just matched the llvm prebuilt binary toolchain version number. Save it for later. + set(_ANDROID_TOOL_LLVM_VERS "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^LLVM_NAME +:= +(llvm-\$\(LLVM_VERSION\)) *$]]) + # We just matched the llvm prebuilt binary toolchain directory name with a version number placeholder, + # so substitute it. The llvm prebuilt binary toolchain version number will have already been extracted + # from a LLVM_VERSION line. + string(REPLACE "$(LLVM_VERSION)" "${_ANDROID_TOOL_LLVM_VERS}" _ANDROID_TOOL_LLVM_NAME "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^LLVM_TOOLCHAIN_PREBUILT_ROOT +:= +\$\(call get-toolchain-root.*,([^$ ]+)\) *$]]) + # We just matched the llvm prebuilt binary toolchain directory name. + set(_ANDROID_TOOL_LLVM_NAME "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^TOOLCHAIN_ROOT +:= +\$\(call get-toolchain-root.*,(\$\(TOOLCHAIN_NAME\)-[0-9.]+)\) *$]]) + # We just matched a placeholder for the name followed by a version number. + # The gcc toolchain name will have already been extracted without version number from a TOOLCHAIN_NAME line. + # Substitute for the placeholder to get the full gcc toolchain name. + string(REPLACE "$(TOOLCHAIN_NAME)" "${_ANDROID_TOOL_NAME_ONLY}" _ANDROID_TOOL_NAME "${CMAKE_MATCH_1}") + elseif(line MATCHES [[^TOOLCHAIN_ROOT +:= +\$\(call get-toolchain-root.*,([^$ ]+)\) *$]]) + # We just matched the full gcc toolchain name without placeholder. + set(_ANDROID_TOOL_NAME "${CMAKE_MATCH_1}") + endif() + endif() +endforeach() +unset(_ANDROID_TOOL_NAME_ONLY) +unset(_ANDROID_TOOL_LLVM_VERS) +unset(_ANDROID_TOOL_SETUP) + +# Fall back to parsing the version and prefix from the tool name. +if(NOT _ANDROID_TOOL_VERS AND "${_ANDROID_TOOL_NAME}" MATCHES "-([0-9.]+)$") + set(_ANDROID_TOOL_VERS "${CMAKE_MATCH_1}") +endif() +if(NOT _ANDROID_TOOL_PREFIX AND "${_ANDROID_TOOL_NAME}" MATCHES "^(.*-)[0-9.]+$") + set(_ANDROID_TOOL_PREFIX "${CMAKE_MATCH_1}") +endif() + +# Help CMakeFindBinUtils locate things. +set(_CMAKE_TOOLCHAIN_PREFIX "${_ANDROID_TOOL_PREFIX}") + +set(_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION "${_ANDROID_TOOL_VERS_NDK}") + +# _ANDROID_TOOL_PREFIX should now match `gcc -dumpmachine`. +string(REGEX REPLACE "-$" "" _ANDROID_TOOL_C_TOOLCHAIN_MACHINE "${_ANDROID_TOOL_PREFIX}") + +set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "${_ANDROID_TOOL_VERS}") +set(_ANDROID_TOOL_C_TOOLCHAIN_PREFIX "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_NAME}/prebuilt/${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}/bin/${_ANDROID_TOOL_PREFIX}") +set(_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX "${_ANDROID_HOST_EXT}") + +set(_ANDROID_TOOL_CXX_TOOLCHAIN_MACHINE "${_ANDROID_TOOL_C_TOOLCHAIN_MACHINE}") +set(_ANDROID_TOOL_CXX_TOOLCHAIN_VERSION "${_ANDROID_TOOL_C_TOOLCHAIN_VERSION}") +set(_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX "${_ANDROID_TOOL_C_TOOLCHAIN_PREFIX}") +set(_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX "${_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX}") + +if(_ANDROID_TOOL_CLANG_NAME) + message(STATUS "Android: Selected Clang toolchain '${_ANDROID_TOOL_CLANG_NAME}' with GCC toolchain '${_ANDROID_TOOL_NAME}'") + set(_ANDROID_TOOL_C_COMPILER "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_LLVM_NAME}/prebuilt/${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}/bin/clang${_ANDROID_HOST_EXT}") + set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN ${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_NAME}/prebuilt/${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}) + set(_ANDROID_TOOL_CXX_COMPILER "${CMAKE_ANDROID_NDK}/toolchains/${_ANDROID_TOOL_LLVM_NAME}/prebuilt/${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}/bin/clang++${_ANDROID_HOST_EXT}") + set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "${_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN}") +else() + message(STATUS "Android: Selected GCC toolchain '${_ANDROID_TOOL_NAME}'") + set(_ANDROID_TOOL_C_COMPILER "${_ANDROID_TOOL_C_TOOLCHAIN_PREFIX}gcc${_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX}") + set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN "") + set(_ANDROID_TOOL_CXX_COMPILER "${_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX}g++${_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX}") + set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "") +endif() + +if(CMAKE_ANDROID_NDK_TOOLCHAIN_DEBUG) + message(STATUS "_ANDROID_TOOL_NAME=${_ANDROID_TOOL_NAME}") + message(STATUS "_ANDROID_TOOL_VERS=${_ANDROID_TOOL_VERS}") + message(STATUS "_ANDROID_TOOL_VERS_NDK=${_ANDROID_TOOL_VERS_NDK}") + message(STATUS "_ANDROID_TOOL_PREFIX=${_ANDROID_TOOL_PREFIX}") + message(STATUS "_ANDROID_TOOL_CLANG_NAME=${_ANDROID_TOOL_CLANG_NAME}") + message(STATUS "_ANDROID_TOOL_CLANG_VERS=${_ANDROID_TOOL_CLANG_VERS}") + message(STATUS "_ANDROID_TOOL_LLVM_NAME=${_ANDROID_TOOL_LLVM_NAME}") +endif() + +unset(_ANDROID_TOOL_NAME) +unset(_ANDROID_TOOL_VERS) +unset(_ANDROID_TOOL_VERS_NDK) +unset(_ANDROID_TOOL_PREFIX) +unset(_ANDROID_TOOL_CLANG_NAME) +unset(_ANDROID_TOOL_CLANG_VERS) +unset(_ANDROID_TOOL_LLVM_NAME) |