tce-load -i compiletc glib2-dev gobject-introspection-dev perl5 gmp-dev

cd gstreamer-1.14.4

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 --libexecdir=/usr/local/lib --disable-debug

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

make [1m 29.55s]
sudo make install

Configuration
        Version                    : 1.14.4
        Source code location       : .
        Prefix                     : /usr/local
        Compiler                   : gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe
        Package name               : GStreamer source release
        Package origin             : Unknown package origin

        API Documentation          : no

        Debug logging              : yes
        Tracing subsystem hooks    : yes
        Command-line parser        : yes
        Option parsing in gst_init : yes
        Plugin registry            : yes
        Plugin support             : yes
        Static plugins             : 
        Unit testing support       : yes
        PTP clock support          : yes
        libunwind support          : no
        libdw support              : no

        Debug                      : no
        Profiling                  : no

        Building benchmarks        : yes
        Building examples          : yes
        Building test apps         : yes
        Building tests that fail   : no
        Building tools             : yes