tce-load -i libjpeg-turbo-dev lcms2-dev

cd libmng-2.0.2

sed -i "s:#include <jpeg:#include <stdio.h>\n&:" libmng_types.h

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static

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

make
sudo make install