tce-load -i gtk3-dev gtk3-gir gobject-introspection-dev libxml2-dev intltool

cd gtksourceview-3.10.1

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

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

make
sudo make install

Configuration:

        Source code location:   .
        Compiler:               gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
        Completion Providers:   yes
        Glade Catalog:          no
        GObject introspection:  yes