tce-load -i compiletc bash

wget http://anduin.linuxfromscratch.org/BLFS/x264/x264-20200819.tar.xz

cd x264-20200819

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 --enable-shared --disable-cli --disable-asm

find . -name config.mak -type f -exec sed -i 's/-O3//g' {} \;

make [3m 4.07s]
sudo make install

platform:       AARCH64
byte order:     little-endian
system:         LINUX
cli:            no
libx264:        internal
shared:         yes
static:         no
bashcompletion: no
asm:            no
interlaced:     yes
avs:            no
lavf:           no
ffms:           no
mp4:            no
gpl:            yes
thread:         posix
opencl:         yes
filters:        crop select_every
lto:            no
debug:          no
gprof:          no
strip:          no
PIC:            yes
bit depth:      all
chroma format:  all