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path: root/infra/nnfw/cmake/buildtool/cross/toolchain_aarch64-linux.cmake
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#
# config for aarch64-linux
#
include(CMakeForceCompiler)

set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR aarch64)

set(CMAKE_C_COMPILER   aarch64-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)

# where is the target environment
set(NNFW_SOURCE_ROOT "${CMAKE_CURRENT_LIST_DIR}/../../../../..")
set(ROOTFS_AARCH64 "${NNFW_SOURCE_ROOT}/tools/cross/rootfs/arm64")
include("${NNFW_SOURCE_ROOT}/infra/nnfw/cmake/modules/OptionTools.cmake")

envoption(ROOTFS_DIR ${ROOTFS_AARCH64})
if(NOT EXISTS "${ROOTFS_DIR}/lib/aarch64-linux-gnu")
  message(FATAL_ERROR "Please prepare RootFS for AARCH64")
endif()

set(CMAKE_SYSROOT ${ROOTFS_DIR})
set(CMAKE_FIND_ROOT_PATH ${ROOTFS_DIR})
set(CMAKE_SHARED_LINKER_FLAGS
    "${CMAKE_SHARED_LINKER_FLAGS} --sysroot=${ROOTFS_DIR}"
    CACHE INTERNAL "" FORCE)
set(CMAKE_EXE_LINKER_FLAGS
    "${CMAKE_EXE_LINKER_FLAGS} --sysroot=${ROOTFS_DIR}"
    CACHE INTERNAL "" FORCE)

# search for programs in the build host directories
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

# for libraries and headers in the target directories
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

# Set cache variable to ignore try-run error by find_package(Threads REQUIRED) on cross build
set(THREADS_PTHREAD_ARG "2" CACHE STRING "Result from TRY_RUN" FORCE)