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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_SANITIZER_CMAKE_)
return()
endif() # LIBGAV1_CMAKE_LIBGAV1_SANITIZER_CMAKE_
set(LIBGAV1_CMAKE_LIBGAV1_SANITIZER_CMAKE_ 1)
macro(libgav1_configure_sanitizer)
if(LIBGAV1_SANITIZE AND NOT MSVC)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(LIBGAV1_SANITIZE MATCHES "cfi")
list(APPEND LIBGAV1_CXX_FLAGS "-flto" "-fno-sanitize-trap=cfi")
list(APPEND LIBGAV1_EXE_LINKER_FLAGS "-flto" "-fno-sanitize-trap=cfi"
"-fuse-ld=gold")
endif()
if(${CMAKE_SIZEOF_VOID_P} EQUAL 4
AND LIBGAV1_SANITIZE MATCHES "integer|undefined")
list(APPEND LIBGAV1_EXE_LINKER_FLAGS "--rtlib=compiler-rt" "-lgcc_s")
endif()
endif()
list(APPEND LIBGAV1_CXX_FLAGS "-fsanitize=${LIBGAV1_SANITIZE}")
list(APPEND LIBGAV1_EXE_LINKER_FLAGS "-fsanitize=${LIBGAV1_SANITIZE}")
# Make sanitizer callstacks accurate.
list(APPEND LIBGAV1_CXX_FLAGS "-fno-omit-frame-pointer"
"-fno-optimize-sibling-calls")
libgav1_test_cxx_flag(FLAG_LIST_VAR_NAMES LIBGAV1_CXX_FLAGS FLAG_REQUIRED)
libgav1_test_exe_linker_flag(FLAG_LIST_VAR_NAME LIBGAV1_EXE_LINKER_FLAGS)
endif()
endmacro()
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