arm_dev_env/toolchain.cmake

# 设置交叉编译工具链路径
SET(CROSS_COMPILE_AARCH64_PATH /opt/buildtool)
SET(CROSS_COMPILE_AARCH64 ${CROSS_COMPILE_AARCH64_PATH}/bin/aarch64-linux-)

SET(ARM_SYSROOT_PATH /opt/arm/sysroot)

# 设置编译器和链接器
SET(CMAKE_C_COMPILER ${CROSS_COMPILE_AARCH64}gcc)
SET(CMAKE_CXX_COMPILER ${CROSS_COMPILE_AARCH64}g++)

SET(CMAKE_SYSTEM_NAME Linux)
SET(CMAKE_SYSTEM_PROCESSOR aarch64)

# Target sysroot
set(CMAKE_FIND_ROOT_PATH ${ARM_SYSROOT_PATH})
set(CMAKE_INCLUDE_PATH  /usr/include/aarch64-linux-gnu)
set(CMAKE_LIBRARY_PATH  /usr/lib/aarch64-linux-gnu)
# set(CMAKE_PROGRAM_PATH  /usr/bin/aarch64-linux-gnu)

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--rpath-link,${ARM_SYSROOT_PATH}/usr/lib/aarch64-linux-gnu")

# ONLY means use CMAKE_FIND_ROOT_PATH, NEVER means use CMAKE_SYSROOT
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)