tce-load -i compiletc 

wget https://sourceforge.net/projects/libpng/files/libpng12/1.2.58/libpng-1.2.58.tar.xz

cd libpng-1.2.58

CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static

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

make [0m 6.91s]
sudo make install