tce-load -i gegl-dev gobject-introspection-dev json-c-dev gegl-gir gettext

https://github.com/mypaint/libmypaint/releases/download/v1.6.1/libmypaint-1.6.1.tar.xz

cd libmypaint-1.6.1

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 --localstatedir=/var --enable-introspection=yes

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

make [0m 4.61s]
sudo make install