tce-load -i dconf-dev libxml2-dev intltool vala-dev gtk3-dev

cd dconf-editor-3.22.0

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 --localstatedir=/var

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

make
sudo make install