查看How to build glibc的源代码 How to build glibc 0

0. Preparation
Install cross-compiler on /opt
/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu
export PATH=/opt/gcc-linaro-7.4.1-2019.02-x86_64_aarch64-linux-gnu/bin/:$PATH
export CC=aarch64-linux-gnu-gcc

1. download glibc
http://mirrors.nju.edu.cn/gnu/libc/
get glibc-2.31.tar.gz 
tar -xvf glibc-2.31.tar.gz 

2. make
<source lang="c">
mkdir /opt/glibc
cd /opt/glibc
~/glibc-2.20/configure arm-linux --target=arm-linux --prefix=/opt/glibc --host=aarch64-linux-gun
</source>
if succeed, Makefile will be generated.
<source lang="c">
make
</source>