1*1c60b9acSAndroid Build Coastguard Worker# 2*1c60b9acSAndroid Build Coastguard Worker# CMake Toolchain file for crosscompiling on ARM. 3*1c60b9acSAndroid Build Coastguard Worker# 4*1c60b9acSAndroid Build Coastguard Worker# This can be used when running cmake in the following way: 5*1c60b9acSAndroid Build Coastguard Worker# cd build/ 6*1c60b9acSAndroid Build Coastguard Worker# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-arm-linux-gnueabihf.cmake 7*1c60b9acSAndroid Build Coastguard Worker# 8*1c60b9acSAndroid Build Coastguard Worker 9*1c60b9acSAndroid Build Coastguard Worker# Target operating system name. 10*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_SYSTEM_NAME Linux) 11*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_SYSTEM_PROCESSOR aarch64) 12*1c60b9acSAndroid Build Coastguard Worker 13*1c60b9acSAndroid Build Coastguard Worker# Name of C compiler. 14*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_C_COMPILER "aarch64-linux-gnu-gcc") 15*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_CXX_COMPILER "aarch64-linux-gnu-g++") 16*1c60b9acSAndroid Build Coastguard Worker 17*1c60b9acSAndroid Build Coastguard Worker# 18*1c60b9acSAndroid Build Coastguard Worker# Different build system distros set release optimization level to different 19*1c60b9acSAndroid Build Coastguard Worker# things according to their local policy, eg, Fedora is -O2 and Ubuntu is -O3 20*1c60b9acSAndroid Build Coastguard Worker# here. Actually the build system's local policy is completely unrelated to 21*1c60b9acSAndroid Build Coastguard Worker# our desire for cross-build release optimization policy for code built to run 22*1c60b9acSAndroid Build Coastguard Worker# on a completely different target than the build system itself. 23*1c60b9acSAndroid Build Coastguard Worker# 24*1c60b9acSAndroid Build Coastguard Worker# Since this goes last on the compiler commandline we have to override it to a 25*1c60b9acSAndroid Build Coastguard Worker# sane value for cross-build here. Notice some gcc versions enable broken 26*1c60b9acSAndroid Build Coastguard Worker# optimizations with -O3. 27*1c60b9acSAndroid Build Coastguard Worker# 28*1c60b9acSAndroid Build Coastguard Workerif (CMAKE_BUILD_TYPE MATCHES RELEASE OR CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES release) 29*1c60b9acSAndroid Build Coastguard Worker set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2") 30*1c60b9acSAndroid Build Coastguard Worker set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2") 31*1c60b9acSAndroid Build Coastguard Workerendif() 32*1c60b9acSAndroid Build Coastguard Worker 33*1c60b9acSAndroid Build Coastguard Worker#-nostdlib 34*1c60b9acSAndroid Build Coastguard WorkerSET(CMAKE_C_FLAGS "-DGCC_VER=\"\\\"$(GCC_VER)\\\"\" -DARM64=1 -D__LP64__=1 -Os -g3 -fpie -mstrict-align -DOPTEE_DEV_KIT=../../../../out/arm-plat-hikey/export-ta_arm64/include -I../../../../lib/libutee/include -fPIC -ffunction-sections -fdata-sections -I../../../../core/include" CACHE STRING "" FORCE) 35*1c60b9acSAndroid Build Coastguard Worker 36*1c60b9acSAndroid Build Coastguard Worker 37*1c60b9acSAndroid Build Coastguard Worker# Where to look for the target environment. (More paths can be added here) 38*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_FIND_ROOT_PATH "/projects/aist-tb/arm64-tc/") 39*1c60b9acSAndroid Build Coastguard Worker 40*1c60b9acSAndroid Build Coastguard Worker# Adjust the default behavior of the FIND_XXX() commands: 41*1c60b9acSAndroid Build Coastguard Worker# search programs in the host environment only. 42*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 43*1c60b9acSAndroid Build Coastguard Worker 44*1c60b9acSAndroid Build Coastguard Worker# Search headers and libraries in the target environment only. 45*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 46*1c60b9acSAndroid Build Coastguard Workerset(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 47*1c60b9acSAndroid Build Coastguard Worker 48*1c60b9acSAndroid Build Coastguard Worker 49