169 lines
6.1 KiB
CMake
169 lines
6.1 KiB
CMake
# Copyright 2019 The libgav1 Authors
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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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# 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,
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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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if(LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_)
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return()
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endif() # LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_
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set(LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_ 1)
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macro(libgav1_set_build_definitions)
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string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lowercase)
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libgav1_load_version_info()
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# Library version info. See the libtool docs for updating the values:
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# https://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
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#
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# c=<current>, r=<revision>, a=<age>
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#
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# libtool generates a .so file as .so.[c-a].a.r, while -version-info c:r:a is
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# passed to libtool.
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#
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# We set LIBGAV1_SOVERSION = [c-a].a.r
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set(LT_CURRENT 1)
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set(LT_REVISION 0)
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set(LT_AGE 0)
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math(EXPR LIBGAV1_SOVERSION_MAJOR "${LT_CURRENT} - ${LT_AGE}")
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set(LIBGAV1_SOVERSION "${LIBGAV1_SOVERSION_MAJOR}.${LT_AGE}.${LT_REVISION}")
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unset(LT_CURRENT)
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unset(LT_REVISION)
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unset(LT_AGE)
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list(APPEND libgav1_include_paths "${libgav1_root}" "${libgav1_root}/src"
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"${libgav1_build}" "${libgav1_root}/third_party/abseil-cpp")
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list(APPEND libgav1_gtest_include_paths
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"third_party/googletest/googlemock/include"
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"third_party/googletest/googletest/include"
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"third_party/googletest/googletest")
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list(APPEND libgav1_test_include_paths ${libgav1_include_paths}
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${libgav1_gtest_include_paths})
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list(APPEND libgav1_defines "LIBGAV1_CMAKE=1"
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"LIBGAV1_FLAGS_SRCDIR=\"${libgav1_root}\""
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"LIBGAV1_FLAGS_TMPDIR=\"/tmp\"")
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if(MSVC OR WIN32)
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list(APPEND libgav1_defines "_CRT_SECURE_NO_WARNINGS" "NOMINMAX"
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"_SCL_SECURE_NO_WARNINGS")
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endif()
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if(ANDROID)
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if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
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set(CMAKE_ANDROID_ARM_MODE ON)
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endif()
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if(build_type_lowercase MATCHES "rel")
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list(APPEND libgav1_base_cxx_flags "-fno-stack-protector")
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endif()
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endif()
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list(APPEND libgav1_base_cxx_flags "-Wall" "-Wextra" "-Wmissing-declarations"
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"-Wno-sign-compare" "-fvisibility=hidden"
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"-fvisibility-inlines-hidden")
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if(BUILD_SHARED_LIBS)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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set(libgav1_dependency libgav1_shared)
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else()
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set(libgav1_dependency libgav1_static)
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endif()
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list(APPEND libgav1_clang_cxx_flags "-Wextra-semi" "-Wmissing-prototypes"
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"-Wshorten-64-to-32")
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6")
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# Quiet warnings in copy-list-initialization where {} elision has always
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# been allowed.
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list(APPEND libgav1_clang_cxx_flags "-Wno-missing-braces")
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endif()
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8)
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list(APPEND libgav1_clang_cxx_flags "-Wextra-semi-stmt")
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endif()
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7")
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# Quiet warnings due to potential snprintf() truncation in threadpool.cc.
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list(APPEND libgav1_base_cxx_flags "-Wno-format-truncation")
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7")
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# Quiet gcc 6 vs 7 abi warnings:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728
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list(APPEND libgav1_base_cxx_flags "-Wno-psabi")
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list(APPEND ABSL_GCC_FLAGS "-Wno-psabi")
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endif()
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endif()
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endif()
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if(build_type_lowercase MATCHES "rel")
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list(APPEND libgav1_base_cxx_flags "-Wframe-larger-than=196608")
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endif()
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list(APPEND libgav1_msvc_cxx_flags
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# Warning level 3.
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"/W3"
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# Disable warning C4018:
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# '<comparison operator>' signed/unsigned mismatch
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"/wd4018"
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# Disable warning C4244:
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# 'argument': conversion from '<double/int>' to
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# '<float/smaller int type>', possible loss of data
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"/wd4244"
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# Disable warning C4267:
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# '=': conversion from '<double/int>' to
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# '<float/smaller int type>', possible loss of data
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"/wd4267"
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# Disable warning C4309:
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# 'argument': truncation of constant value
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"/wd4309"
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# Disable warning C4551:
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# function call missing argument list
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"/wd4551")
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if(BUILD_SHARED_LIBS)
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list(APPEND libgav1_msvc_cxx_flags
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# Disable warning C4251:
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# 'libgav1::DecoderImpl class member' needs to have
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# dll-interface to be used by clients of class
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# 'libgav1::Decoder'.
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"/wd4251")
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endif()
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if(NOT LIBGAV1_MAX_BITDEPTH)
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set(LIBGAV1_MAX_BITDEPTH 10)
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elseif(NOT LIBGAV1_MAX_BITDEPTH EQUAL 8
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AND NOT LIBGAV1_MAX_BITDEPTH EQUAL 10
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AND NOT LIBGAV1_MAX_BITDEPTH EQUAL 12)
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libgav1_die("LIBGAV1_MAX_BITDEPTH must be 8, 10 or 12.")
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endif()
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list(APPEND libgav1_defines "LIBGAV1_MAX_BITDEPTH=${LIBGAV1_MAX_BITDEPTH}")
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if(DEFINED LIBGAV1_THREADPOOL_USE_STD_MUTEX)
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if(NOT LIBGAV1_THREADPOOL_USE_STD_MUTEX EQUAL 0
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AND NOT LIBGAV1_THREADPOOL_USE_STD_MUTEX EQUAL 1)
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libgav1_die("LIBGAV1_THREADPOOL_USE_STD_MUTEX must be 0 or 1.")
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endif()
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list(APPEND libgav1_defines
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"LIBGAV1_THREADPOOL_USE_STD_MUTEX=${LIBGAV1_THREADPOOL_USE_STD_MUTEX}")
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endif()
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# Source file names ending in these suffixes will have the appropriate
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# compiler flags added to their compile commands to enable intrinsics.
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set(libgav1_avx2_source_file_suffix "avx2(_test)?.cc")
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set(libgav1_neon_source_file_suffix "neon(_test)?.cc")
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set(libgav1_sse4_source_file_suffix "sse4(_test)?.cc")
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endmacro()
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