229 lines
7.6 KiB
CMake
229 lines
7.6 KiB
CMake
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# SPDX-License-Identifier: Apache-2.0
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# ----------------------------------------------------------------------------
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# Copyright 2020-2022 Arm Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# ----------------------------------------------------------------------------
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# CMake configuration
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cmake_minimum_required(VERSION 3.15)
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cmake_policy(SET CMP0069 NEW) # LTO support
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cmake_policy(SET CMP0091 NEW) # MSVC runtime support
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if(MSVC)
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add_compile_options("/wd4324") # Disable structure was padded due to alignment specifier
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endif()
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project(astcencoder VERSION 4.2.0)
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set(CMAKE_CXX_STANDARD 14)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
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include(CTest)
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option(ISA_AVX2 "Enable builds for AVX2 SIMD")
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option(ISA_SSE41 "Enable builds for SSE4.1 SIMD")
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option(ISA_SSE2 "Enable builds for SSE2 SIMD")
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option(ISA_NEON "Enable builds for NEON SIMD")
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option(ISA_NONE "Enable builds for no SIMD")
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option(ISA_NATIVE "Enable builds for native SIMD")
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option(DECOMPRESSOR "Enable builds for decompression only")
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option(DIAGNOSTICS "Enable builds for diagnostic trace")
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option(ASAN "Enable builds width address sanitizer")
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option(UNITTEST "Enable builds for unit tests")
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option(NO_INVARIANCE "Enable builds without invariance")
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option(CLI "Enable build of CLI" ON)
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set(UNIVERSAL_BUILD OFF)
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set(MACOS_BUILD OFF)
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set(MACOS_ARCH_LEN 0)
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# Preflight for some macOS-specific build options
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
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set(MACOS_BUILD ON)
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list(LENGTH CMAKE_OSX_ARCHITECTURES MACOS_ARCH_LEN)
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endif()
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# Count options which MUST be x64
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set(X64_ISA_COUNT 0)
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set(CONFIGS ${ISA_AVX2} ${ISA_SSE41} ${ISA_SSE2})
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foreach(CONFIG ${CONFIGS})
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if(${CONFIG})
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math(EXPR X64_ISA_COUNT "${X64_ISA_COUNT} + 1")
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endif()
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endforeach()
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# Count options which MUST be arm64
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set(ARM64_ISA_COUNT 0)
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set(CONFIGS ${ISA_NEON})
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foreach(CONFIG ${CONFIGS})
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if(${CONFIG})
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math(EXPR ARM64_ISA_COUNT "${ARM64_ISA_COUNT} + 1")
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endif()
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endforeach()
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# macOS builds
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if("${MACOS_BUILD}")
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list(FIND CMAKE_OSX_ARCHITECTURES "x86_64" IS_X64)
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list(FIND CMAKE_OSX_ARCHITECTURES "arm64" IS_ARM64)
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list(FIND CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD)" IS_AUTO)
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# Turn list index into boolean
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if(${IS_X64} EQUAL -1)
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set(IS_X64 OFF)
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else()
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set(IS_X64 ON)
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endif()
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if(${IS_ARM64} EQUAL -1)
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set(IS_ARM64 OFF)
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else()
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set(IS_ARM64 ON)
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endif()
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if(${IS_AUTO} EQUAL -1)
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set(IS_AUTO OFF)
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else()
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set(IS_AUTO ON)
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endif()
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# Set up defaults if no more specific ISA set - use XCode's own defaults
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if((IS_ARM64 OR IS_AUTO) AND ("${ARM64_ISA_COUNT}" EQUAL 0) AND (NOT "${ISA_NONE}"))
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set(ARM64_ISA_COUNT 1)
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set(ISA_NEON ON)
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endif()
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if((IS_X64 OR IS_AUTO) AND ("${X64_ISA_COUNT}" EQUAL 0) AND (NOT "${ISA_NONE}"))
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set(X64_ISA_COUNT 1)
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set(ISA_SSE41 ON)
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endif()
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# User might be doing multi-architecture - XCode sets this at runtime
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if("${IS_AUTO}")
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if(("${ARM64_ISA_COUNT}" GREATER 1) OR ("${X64_ISA_COUNT}" GREATER 1))
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message(FATAL_ERROR "For macOS universal binaries only one backend per architecture is allowed.")
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endif()
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set(UNIVERSAL_BUILD ON)
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# User requested explicit multi-architecture universal build
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elseif("${MACOS_ARCH_LEN}" GREATER 2)
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message(FATAL_ERROR "For macOS universal binaries only x86_64 and arm64 builds are allowed.")
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elseif("${MACOS_ARCH_LEN}" EQUAL 2)
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if(NOT (${IS_X64} AND ${IS_ARM64}))
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message(FATAL_ERROR "For macOS universal binaries only x86_64 and arm64 builds are allowed.")
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endif()
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if(("${ARM64_ISA_COUNT}" GREATER 1) OR ("${X64_ISA_COUNT}" GREATER 1))
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message(FATAL_ERROR "For macOS universal binaries only one backend per architecture is allowed.")
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endif()
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set(UNIVERSAL_BUILD ON)
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# User requested explicit single architecture build
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elseif("${MACOS_ARCH_LEN}" EQUAL 1)
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if("${IS_X64}" AND "${ARM64_ISA_COUNT}")
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message(FATAL_ERROR "For macOS x86_64 builds an arm64 backend cannot be specified.")
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endif()
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if("${IS_ARM64}" AND "${X64_ISA_COUNT}")
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message(FATAL_ERROR "For macOS arm64 builds an x86_64 backend cannot be specified.")
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endif()
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# Else is this a implicit multi-architecture universal build?
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elseif(("${ARM64_ISA_COUNT}" EQUAL 1) AND ("${X64_ISA_COUNT}" GREATER 1))
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string(CONCAT MSG "For macOS setting multiple architecture backends builds a universal binary. "
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"For universal binaries only one backend per architecture is allowed.")
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message(FATAL_ERROR "${MSG}")
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elseif(("${X64_ISA_COUNT}" EQUAL 1) AND ("${ARM64_ISA_COUNT}" GREATER 1))
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string(CONCAT MSG "For macOS setting multiple architecture backends builds a universal binary. "
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"For universal binaries only one backend per architecture is allowed.")
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message(FATAL_ERROR "${MSG}")
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elseif(("${ARM64_ISA_COUNT}" EQUAL 1) AND ("${X64_ISA_COUNT}" EQUAL 1))
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set(UNIVERSAL_BUILD ON)
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set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64")
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# Else is this an implicit single architecture build?
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elseif("${ARM64_ISA_COUNT}" EQUAL 1)
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set(CMAKE_OSX_ARCHITECTURES "arm64")
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elseif("${X64_ISA_COUNT}" EQUAL 1)
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set(CMAKE_OSX_ARCHITECTURES "x86_64")
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else()
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# Do nothing here - assume it defaults to host?
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endif()
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# Non-macOS builds
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else()
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if(("${ARM64_ISA_COUNT}" GREATER 0) AND ("${X64_ISA_COUNT}" GREATER 0))
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message(FATAL_ERROR "Builds can only support a single architecture per configure.")
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endif()
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endif()
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# If nothing more specific is set then fall back on the compiler's defaults
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if(("${ARM64_ISA_COUNT}" EQUAL 0) AND ("${X64_ISA_COUNT}" EQUAL 0) AND (NOT "${ISA_NONE}"))
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set(ISA_NATIVE ON)
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endif()
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function(printopt optName optVal)
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if(${optVal})
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message(STATUS " ${optName} - ON")
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else()
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message(STATUS " ${optName} - OFF")
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endif()
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endfunction()
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if("${BLOCK_MAX_TEXELS}")
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message(STATUS " Max block texels - ${BLOCK_MAX_TEXELS}")
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endif()
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printopt("AVX2 backend " ${ISA_AVX2})
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printopt("SSE4.1 backend " ${ISA_SSE41})
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printopt("SSE2 backend " ${ISA_SSE2})
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printopt("NEON backend " ${ISA_NEON})
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printopt("NONE backend " ${ISA_NONE})
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printopt("NATIVE backend " ${ISA_NATIVE})
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if("${MACOS_BUILD}")
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printopt("Universal bin " ${UNIVERSAL_BUILD})
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endif()
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printopt("Decompressor " ${DECOMPRESSOR})
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printopt("No invariance " ${NO_INVARIANCE})
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printopt("Diagnostics " ${DIAGNOSTICS})
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printopt("ASAN " ${ASAN})
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printopt("Unit tests " ${UNITTEST})
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# Subcomponents
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add_subdirectory(Source)
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# Configure package archive
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if(PACKAGE)
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if("${MACOS_BUILD}")
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string(TOLOWER "macOS" PKG_OS)
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else()
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string(TOLOWER ${CMAKE_SYSTEM_NAME} PKG_OS)
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endif()
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set(CPACK_PACKAGE_FILE_NAME "astcenc-${CMAKE_PROJECT_VERSION}-${PKG_OS}-${PACKAGE}")
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set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY FALSE)
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set(CPACK_PACKAGE_CHECKSUM SHA256)
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set(CPACK_GENERATOR ZIP)
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include(CPack) # Must be included after CPack configuration.
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endif()
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