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91 lines
3.7 KiB
91 lines
3.7 KiB
# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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cmake_policy(SET CMP0012 NEW)
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cmake_policy(SET CMP0048 NEW)
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project(ruy CXX)
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cmake_minimum_required(VERSION 3.13) # Copied from IREE
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set(CMAKE_CXX_STANDARD 14)
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if (PROJECT_NAME STREQUAL CMAKE_PROJECT_NAME)
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set(RUY_IS_TOPLEVEL TRUE)
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set(RUY_MINIMAL_BUILD_DEFAULT_VALUE OFF)
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else()
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set(RUY_IS_TOPLEVEL FALSE)
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set(RUY_MINIMAL_BUILD_DEFAULT_VALUE ON)
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endif()
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option(RUY_MINIMAL_BUILD "Disable ruy's tests, examples, etc. Build only ruy public libraries." ${RUY_MINIMAL_BUILD_DEFAULT_VALUE})
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if (NOT RUY_MINIMAL_BUILD)
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enable_testing()
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endif()
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option(RUY_PROFILER "Enable ruy's built-in profiler (harms performance)" OFF)
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include(cmake/ruy_add_all_subdirs.cmake)
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include(cmake/ruy_cc_library.cmake)
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include(cmake/ruy_cc_binary.cmake)
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include(cmake/ruy_cc_test.cmake)
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# Skip cpuinfo if it was already generated, which can happen when ruy is
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# a subdirectory in a wider project that already uses cpuinfo.
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if (NOT TARGET cpuinfo)
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# Test if the third_party/cpuinfo submodule was checked out before
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# adding that subdirectory, so we can do more helpful things below in the
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# else() block when it's not.
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set(RUY_CPUINFO_CMAKELISTS_FILE "${CMAKE_CURRENT_SOURCE_DIR}/third_party/cpuinfo/CMakeLists.txt")
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if (EXISTS "${RUY_CPUINFO_CMAKELISTS_FILE}")
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# Disabling cpuinfo's tests and benchmarks to prevent a copy of its
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# googletest dependency getting downloaded into a 'deps' directory in the
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# source tree!
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set(CPUINFO_BUILD_BENCHMARKS OFF CACHE BOOL "" FORCE)
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set(CPUINFO_BUILD_UNIT_TESTS OFF CACHE BOOL "" FORCE)
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set(CPUINFO_BUILD_MOCK_TESTS OFF CACHE BOOL "" FORCE)
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add_subdirectory("third_party/cpuinfo" EXCLUDE_FROM_ALL)
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else()
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# third_party/cpuinfo is not checked out. That could be intentional when
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# ruy is a subdirectory in a wider project that is already providing
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# the cpuinfo target. Maybe that wider project's CMakeLists is ordered
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# in such a way that cpuinfo gets generated after ruy. In that case,
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# it's helpful that we continue silently. In the worst case if the cpuinfo
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# target never gets defined, ruy will fail to compile.
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# On the other hand, if ruy is the top-level project here (not part of a
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# wider project) then nothing will define the cpuinfo target for us,
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# so we will definitely fail to compile, so we may as well fail right here.
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if (RUY_IS_TOPLEVEL)
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message(FATAL_ERROR "This file does not exist:\n${RUY_CPUINFO_CMAKELISTS_FILE}\n"
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"That typically means that the git submodules of the ruy "
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"repository haven't been checked out. Try this in the ruy "
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"git directory:\n git submodule update --init")
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endif()
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endif()
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endif()
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# googletest is only needed for tests. Projects embedding ruy as a subdirectory
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# and not needing to build ruy tests may proceed without a local checkout of
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# third_party/googletest.
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if (NOT RUY_MINIMAL_BUILD
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AND NOT TARGET gtest
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AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/third_party/googletest/CMakeLists.txt")
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add_subdirectory("third_party/googletest" EXCLUDE_FROM_ALL)
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endif()
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add_subdirectory("ruy")
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if (NOT RUY_MINIMAL_BUILD)
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add_subdirectory("example")
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endif()
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