tce-load -i compiletc automake libtool-dev intltool lcms2-dev jasper-dev

wget http://www.libraw.org/data/LibRaw-0.20.2.tar.gz

cd LibRaw-0.20.2

autoreconf -fiv

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --enable-jpeg --enable-jasper --enable-lcms

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

make [5m 1.61s]
sudo make install