tce-load -i compiletc imlib2-dev curl-dev libexif-dev Xorg-7.7-dev

cd feh-2.19

edit config.mk
ICON_PREFIX ?= ${DESTDIR}${PREFIX}/share/icons
CFLAGS ?= 

make CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" exif=1
sudo make CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" exif=1 app=1 install