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# Copyright 2019 The libgav1 Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if(LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_)
return()
endif() # LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_
set(LIBGAV1_CMAKE_LIBGAV1_BUILD_DEFINITIONS_CMAKE_ 1)
macro(libgav1_set_build_definitions)
string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lowercase)
libgav1_load_version_info()
# Library version info. See the libtool docs for updating the values:
# https://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
#
# c=<current>, r=<revision>, a=<age>
#
# libtool generates a .so file as .so.[c-a].a.r, while -version-info c:r:a is
# passed to libtool.
#
# We set LIBGAV1_SOVERSION = [c-a].a.r
set(LT_CURRENT 0)
set(LT_REVISION 0)
set(LT_AGE 0)
math(EXPR LIBGAV1_SOVERSION_MAJOR "${LT_CURRENT} - ${LT_AGE}")
set(LIBGAV1_SOVERSION "${LIBGAV1_SOVERSION_MAJOR}.${LT_AGE}.${LT_REVISION}")
unset(LT_CURRENT)
unset(LT_REVISION)
unset(LT_AGE)
list(APPEND libgav1_include_paths "${libgav1_root}" "${libgav1_root}/src"
"${libgav1_build}" "${libgav1_root}/third_party/abseil-cpp")
list(APPEND libgav1_gtest_include_paths
"third_party/googletest/googlemock/include"
"third_party/googletest/googletest/include"
"third_party/googletest/googletest")
list(APPEND libgav1_test_include_paths ${libgav1_include_paths}
${libgav1_gtest_include_paths})
list(APPEND libgav1_defines "LIBGAV1_CMAKE=1"
"LIBGAV1_FLAGS_SRCDIR=\"${libgav1_root}\""
"LIBGAV1_FLAGS_TMPDIR=\"/tmp\"")
if(MSVC OR WIN32)
list(APPEND libgav1_defines "_CRT_SECURE_NO_DEPRECATE=1" "NOMINMAX=1")
endif()
if(ANDROID)
if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
set(CMAKE_ANDROID_ARM_MODE ON)
endif()
if(build_type_lowercase MATCHES "rel")
list(APPEND libgav1_base_cxx_flags "-fno-stack-protector")
endif()
endif()
list(APPEND libgav1_base_cxx_flags "-Wall" "-Wextra" "-Wmissing-declarations"
"-Wno-sign-compare" "-fvisibility=hidden"
"-fvisibility-inlines-hidden")
if(BUILD_SHARED_LIBS)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(libgav1_dependency libgav1_shared)
else()
set(libgav1_dependency libgav1_static)
endif()
list(APPEND libgav1_clang_cxx_flags "-Wextra-semi" "-Wmissing-prototypes"
"-Wshorten-64-to-32")
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6")
# Quiet warnings in copy-list-initialization where {} elision has always
# been allowed.
list(APPEND libgav1_clang_cxx_flags "-Wno-missing-braces")
endif()
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8)
list(APPEND libgav1_clang_cxx_flags "-Wextra-semi-stmt")
endif()
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7")
# Quiet warnings due to potential snprintf() truncation in threadpool.cc.
list(APPEND libgav1_base_cxx_flags "-Wno-format-truncation")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7")
# Quiet gcc 6 vs 7 abi warnings:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728
list(APPEND libgav1_base_cxx_flags "-Wno-psabi")
list(APPEND ABSL_GCC_FLAGS "-Wno-psabi")
endif()
endif()
endif()
if(build_type_lowercase MATCHES "rel")
list(APPEND libgav1_base_cxx_flags "-Wframe-larger-than=196608")
endif()
list(APPEND libgav1_msvc_cxx_flags
# Warning level 3.
"/W3"
# Disable warning C4018:
# '<comparison operator>' signed/unsigned mismatch
"/wd4018"
# Disable warning C4244:
# 'argument': conversion from '<double/int>' to
# '<float/smaller int type>', possible loss of data
"/wd4244"
# Disable warning C4267:
# '=': conversion from '<double/int>' to
# '<float/smaller int type>', possible loss of data
"/wd4267"
# Disable warning C4309:
# 'argument': truncation of constant value
"/wd4309"
# Disable warning C4551:
# function call missing argument list
"/wd4551")
if(BUILD_SHARED_LIBS)
list(APPEND libgav1_msvc_cxx_flags
# Disable warning C4251:
# 'libgav1::DecoderImpl class member' needs to have
# dll-interface to be used by clients of class
# 'libgav1::Decoder'.
"/wd4251")
endif()
if(NOT LIBGAV1_MAX_BITDEPTH)
set(LIBGAV1_MAX_BITDEPTH 10)
elseif(NOT LIBGAV1_MAX_BITDEPTH EQUAL 8 AND NOT LIBGAV1_MAX_BITDEPTH EQUAL 10)
libgav1_die("LIBGAV1_MAX_BITDEPTH must be 8 or 10.")
endif()
list(APPEND libgav1_defines "LIBGAV1_MAX_BITDEPTH=${LIBGAV1_MAX_BITDEPTH}")
if(DEFINED LIBGAV1_THREADPOOL_USE_STD_MUTEX)
if(NOT LIBGAV1_THREADPOOL_USE_STD_MUTEX EQUAL 0
AND NOT LIBGAV1_THREADPOOL_USE_STD_MUTEX EQUAL 1)
libgav1_die("LIBGAV1_THREADPOOL_USE_STD_MUTEX must be 0 or 1.")
endif()
list(APPEND libgav1_defines
"LIBGAV1_THREADPOOL_USE_STD_MUTEX=${LIBGAV1_THREADPOOL_USE_STD_MUTEX}")
endif()
# Source file names ending in these suffixes will have the appropriate
# compiler flags added to their compile commands to enable intrinsics.
set(libgav1_avx2_source_file_suffix "avx2.cc")
set(libgav1_neon_source_file_suffix "neon.cc")
set(libgav1_sse4_source_file_suffix "sse4.cc")
endmacro()
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