软件环境：
系统：ubuntu 14.04 64位Linux系统
交叉编译工具：gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf，安装路径为/usr/local/oecore-x86_64
使用交叉工具链编译arm-linux版本库：
1、下载
下载libiec61850库源码并解压，当前使用的开源库版本为1.0.0版本，存放路径为：/home/u/libiec61850-1.0.0
2、进入源码目录：
cd /home/u/libiec61850-1.0.0/
3、修改make/target_system.mk文件
（1）修改ARM_TOOLCHAIN_PREFIX为指定的交叉编译工具链前缀
这里修改为：arm-angstrom-linux-gnueabi-，即ARM_TOOLCHAIN_PREFIX=arm-angstrom-linux-gnueabi-
注：确定当前交叉编译工具链方法如下：
a、配置环境：
source /usr/local/oecore-x86_64/environment-setup-armv7at2hf-vfp-neon-angstrom-linux-gnueabi
b、查看当前交叉编译工具链：
echo $CC
输出信息如下：
arm-angstrom-linux-gnueabi-gcc -march=armv7-a -mthumb -mthumb-interwork -mfloat-abi=hard -mfpu=neon --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-neon-angstrom-linux-gnueabi
（2）修改make/target_system.mk文件中CFLAGS内容：
修改前：
ifeq ($(TARGET), LINUX-ARM)
TOOLCHAIN_PREFIX=$(ARM_TOOLCHAIN_PREFIX)
CFLAGS += -mno-unaligned-access
修改后：
ifeq ($(TARGET), LINUX-ARM)
TOOLCHAIN_PREFIX=$(ARM_TOOLCHAIN_PREFIX)
CFLAGS += -mno-unaligned-access -march=armv7-a -mthumb -mthumb-interwork -mfloat-abi=hard -mfpu=neon --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-vfp-neon-angstrom-linux-gnueabi
3、编译arm-linux版本库：
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编译成功后，编译生成的文件存放在build-arm目录下