tce-load -i compiletc intltool gtk3-dev gobject-introspection-dev vala-dev gtk3-gir glade-dev

https://ftp.gnome.org/pub/GNOME/sources/gtksourceview/3.24/gtksourceview-3.24.11.tar.xz

cd gtksourceview-3.24.11

edit install.sh
#!/bin/sh

CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --enable-glade-catalog

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

make [2m 7.17s]
sudo make install

Configuration:

        Source code location:   .
        Compiler:               gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe
        Glade Catalog:          yes
        Documentation:          no
        GObject introspection:  yes
        Vala:                   yes
        Code coverage:          
        Valgrind check:         no
        Installed tests:        no