1*09537850SAkhilesh Sanikop# Copyright 2019 The libgav1 Authors 2*09537850SAkhilesh Sanikop# 3*09537850SAkhilesh Sanikop# Licensed under the Apache License, Version 2.0 (the "License"); 4*09537850SAkhilesh Sanikop# you may not use this file except in compliance with the License. 5*09537850SAkhilesh Sanikop# You may obtain a copy of the License at 6*09537850SAkhilesh Sanikop# 7*09537850SAkhilesh Sanikop# http://www.apache.org/licenses/LICENSE-2.0 8*09537850SAkhilesh Sanikop# 9*09537850SAkhilesh Sanikop# Unless required by applicable law or agreed to in writing, software 10*09537850SAkhilesh Sanikop# distributed under the License is distributed on an "AS IS" BASIS, 11*09537850SAkhilesh Sanikop# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*09537850SAkhilesh Sanikop# See the License for the specific language governing permissions and 13*09537850SAkhilesh Sanikop# limitations under the License. 14*09537850SAkhilesh Sanikop 15*09537850SAkhilesh Sanikopif(LIBGAV1_CMAKE_LIBGAV1_SANITIZER_CMAKE_) 16*09537850SAkhilesh Sanikop return() 17*09537850SAkhilesh Sanikopendif() # LIBGAV1_CMAKE_LIBGAV1_SANITIZER_CMAKE_ 18*09537850SAkhilesh Sanikopset(LIBGAV1_CMAKE_LIBGAV1_SANITIZER_CMAKE_ 1) 19*09537850SAkhilesh Sanikop 20*09537850SAkhilesh Sanikopmacro(libgav1_configure_sanitizer) 21*09537850SAkhilesh Sanikop if(LIBGAV1_SANITIZE AND NOT MSVC) 22*09537850SAkhilesh Sanikop if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") 23*09537850SAkhilesh Sanikop if(LIBGAV1_SANITIZE MATCHES "cfi") 24*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_CXX_FLAGS "-flto" "-fno-sanitize-trap=cfi") 25*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_EXE_LINKER_FLAGS "-flto" "-fno-sanitize-trap=cfi" 26*09537850SAkhilesh Sanikop "-fuse-ld=gold") 27*09537850SAkhilesh Sanikop endif() 28*09537850SAkhilesh Sanikop 29*09537850SAkhilesh Sanikop if(${CMAKE_SIZEOF_VOID_P} EQUAL 4 30*09537850SAkhilesh Sanikop AND LIBGAV1_SANITIZE MATCHES "integer|undefined") 31*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_EXE_LINKER_FLAGS "--rtlib=compiler-rt" "-lgcc_s") 32*09537850SAkhilesh Sanikop endif() 33*09537850SAkhilesh Sanikop endif() 34*09537850SAkhilesh Sanikop 35*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_CXX_FLAGS "-fsanitize=${LIBGAV1_SANITIZE}") 36*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_EXE_LINKER_FLAGS "-fsanitize=${LIBGAV1_SANITIZE}") 37*09537850SAkhilesh Sanikop 38*09537850SAkhilesh Sanikop # Make sanitizer callstacks accurate. 39*09537850SAkhilesh Sanikop list(APPEND LIBGAV1_CXX_FLAGS "-fno-omit-frame-pointer" 40*09537850SAkhilesh Sanikop "-fno-optimize-sibling-calls") 41*09537850SAkhilesh Sanikop 42*09537850SAkhilesh Sanikop # Check the linker flags first as they may be required in the compile check 43*09537850SAkhilesh Sanikop # to avoid undefined symbols related to the sanitizer. 44*09537850SAkhilesh Sanikop libgav1_test_exe_linker_flag(FLAG_LIST_VAR_NAME LIBGAV1_EXE_LINKER_FLAGS) 45*09537850SAkhilesh Sanikop libgav1_test_cxx_flag(FLAG_LIST_VAR_NAMES LIBGAV1_CXX_FLAGS FLAG_REQUIRED) 46*09537850SAkhilesh Sanikop endif() 47*09537850SAkhilesh Sanikopendmacro() 48