tce-load -i compiletc 

https://github.com/linux-pam/linux-pam/releases/download/v1.4.0/Linux-PAM-1.4.0.tar.xz

cd Linux-PAM-1.4.0

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local -disable-static --localstatedir=/var --libdir=/usr/local/lib

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [1m 4.72s]
sudo make install

sudo chmod 4755 /usr/local/sbin/unix_chkpwd