tce-load -i compiletc gtk1-dev libtiff-dev libpng-dev perl5

wget https://download.gimp.org/gimp/v1.2/v1.2.5/gimp-1.2.5.tar.bz2

cd gimp-1.2.5

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

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

make[2m 30.41s]
sudo make install

libpng 1.6.2 no