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# Copyright (c) 2020-2025 Intel Corporation
#
# 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 (EMSCRIPTEN)
set(TBB_EMSCRIPTEN 1)
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -fexceptions)
set(TBB_TEST_LINK_FLAGS ${TBB_COMMON_LINK_FLAGS} -fexceptions -sINITIAL_MEMORY=65536000 -sALLOW_MEMORY_GROWTH=1 -sMALLOC=mimalloc -sEXIT_RUNTIME=1)
if (NOT EMSCRIPTEN_WITHOUT_PTHREAD)
set_property(TARGET Threads::Threads PROPERTY INTERFACE_LINK_LIBRARIES "-pthread")
endif()
set(TBB_EMSCRIPTEN_STACK_SIZE 65536)
set(TBB_LIB_COMPILE_FLAGS -D__TBB_EMSCRIPTEN_STACK_SIZE=${TBB_EMSCRIPTEN_STACK_SIZE})
set(TBB_TEST_LINK_FLAGS ${TBB_TEST_LINK_FLAGS} -sTOTAL_STACK=${TBB_EMSCRIPTEN_STACK_SIZE})
unset(TBB_EMSCRIPTEN_STACK_SIZE)
endif()
if (MINGW)
set(TBB_LINK_DEF_FILE_FLAG "")
set(TBB_DEF_FILE_PREFIX "")
elseif (APPLE)
set(TBB_LINK_DEF_FILE_FLAG -Wl,-exported_symbols_list,)
set(TBB_DEF_FILE_PREFIX mac${TBB_ARCH})
# For correct ucontext.h structures layout
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -D_XOPEN_SOURCE)
elseif (MSVC)
include(${CMAKE_CURRENT_LIST_DIR}/MSVC.cmake)
return()
else()
set(TBB_LINK_DEF_FILE_FLAG -Wl,--version-script=)
set(TBB_DEF_FILE_PREFIX lin${TBB_ARCH})
set(TBB_TEST_COMPILE_FLAGS ${TBB_TEST_COMPILE_FLAGS} $<$<NOT:$<VERSION_LESS:${CMAKE_CXX_COMPILER_VERSION},10.0>>:-ffp-model=precise>)
endif()
# Depfile options (e.g. -MD) are inserted automatically in some cases.
# Don't add -MMD to avoid conflicts in such cases.
if (NOT CMAKE_GENERATOR MATCHES "Ninja" AND NOT CMAKE_CXX_DEPENDS_USE_COMPILER)
set(TBB_MMD_FLAG -MMD)
endif()
set(TBB_WARNING_LEVEL -Wall -Wextra $<$<BOOL:${TBB_STRICT}>:-Werror>)
set(TBB_TEST_WARNING_FLAGS -Wshadow -Wcast-qual -Woverloaded-virtual -Wnon-virtual-dtor)
# Ignore -Werror set through add_compile_options() or added to CMAKE_CXX_FLAGS if TBB_STRICT is disabled.
if (NOT TBB_STRICT AND COMMAND tbb_remove_compile_flag)
tbb_remove_compile_flag(-Werror)
endif()
# Enable Intel(R) Transactional Synchronization Extensions (-mrtm) and WAITPKG instructions support (-mwaitpkg) on relevant processors
if (CMAKE_SYSTEM_PROCESSOR MATCHES "(AMD64|amd64|i.86|x86)" AND NOT EMSCRIPTEN)
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -mrtm $<$<NOT:$<VERSION_LESS:${CMAKE_CXX_COMPILER_VERSION},12.0>>:-mwaitpkg>)
endif()
# Clang flags to prevent compiler from optimizing out security checks
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -Wformat -Wformat-security -Werror=format-security -fPIC $<$<NOT:$<BOOL:${EMSCRIPTEN}>>:-fstack-protector-strong>)
if (NOT APPLE AND NOT ANDROID_PLATFORM AND CMAKE_SYSTEM_PROCESSOR MATCHES "(AMD64|amd64|i.86|x86)")
set(TBB_LIB_COMPILE_FLAGS ${TBB_LIB_COMPILE_FLAGS} -fstack-clash-protection $<$<NOT:$<BOOL:${EMSCRIPTEN}>>:-fcf-protection=full>)
endif()
# -z switch is not supported on MacOS
if (NOT APPLE)
set(TBB_LIB_LINK_FLAGS ${TBB_LIB_LINK_FLAGS} -Wl,-z,relro,-z,now,-z,noexecstack)
endif()
set(TBB_COMMON_LINK_LIBS ${CMAKE_DL_LIBS})
if (NOT CMAKE_CXX_FLAGS MATCHES "_FORTIFY_SOURCE")
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} $<$<NOT:$<CONFIG:Debug>>:-D_FORTIFY_SOURCE=2>)
endif ()
if (MINGW)
list(APPEND TBB_COMMON_COMPILE_FLAGS -U__STRICT_ANSI__)
endif()
if (TBB_FILE_TRIM AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
set(TBB_COMMON_COMPILE_FLAGS ${TBB_COMMON_COMPILE_FLAGS} -ffile-prefix-map=${NATIVE_TBB_PROJECT_ROOT_DIR}/= -ffile-prefix-map=${NATIVE_TBB_RELATIVE_BIN_PATH}/=)
endif ()
set(TBB_IPO_COMPILE_FLAGS $<$<NOT:$<CONFIG:Debug>>:-flto>)
set(TBB_IPO_LINK_FLAGS $<$<NOT:$<CONFIG:Debug>>:-flto>)
# TBB malloc settings
set(TBBMALLOC_LIB_COMPILE_FLAGS -fno-rtti -fno-exceptions)
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