linaro-alip交叉编译链

硬件信息

root@linaro-alip:/# cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
NAME="Debian GNU/Linux"
VERSION_ID="9"
VERSION="9 (stretch)"
VERSION_CODENAME=stretch
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

root@linaro-alip:/# file /bin/bash
/bin/bash: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 3.2.0, BuildID[sha1]=e3aedef3dd05738b73e7756ddb9be88dd0f9a8ce, stripped

root@linaro-alip:/# gcc --version
gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

交叉编译链

• gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz
• gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz.asc

cmake配置

$ cat cmake/linaro_deb9u1_armhf.cmake 

#告知当前使用的是交叉编译方式，必须配置
SET(CMAKE_SYSTEM_NAME Linux)
SET(CMAKE_SYSTEM_PROCESSOR armhf)

SET(TOOLCHAIN_DIR "/home/wii/data/toolchain/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf")

#指定编译工具，一定要设置
#或交叉编译器使用绝对地址
SET(CMAKE_C_COMPILER ${TOOLCHAIN_DIR}/bin/arm-linux-gnueabihf-gcc)
#指定C++交叉编译器
SET(CMAKE_CXX_COMPILER ${TOOLCHAIN_DIR}/bin/arm-linux-gnueabihf-g++)

#不一定需要设置
#指定交叉编译环境安装目录...
SET(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN_DIR})
#从来不在指定目录下查找工具程序
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
#只在指定目录下查找库文件
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
#只在指定目录下查找头文件
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)