tce-load -i compiletc dbus-glib-dev polkit-dev udev-dev libusb-dev gobject-introspection-dev

wget https://gitlab.freedesktop.org/upower/upower/uploads/93cfe7c8d66ed486001c4f3f55399b7a/upower-0.99.11.tar.xz

cd upower-v0.99.11

CFLAGS="-fPIC" CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --with-udevrulesdir=/etc/udev/rules.d --libexecdir=/usr/local/lib/upower --disable-man-pages

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

make [0m 16.64s]
sudo make install

                 UPower 0.99.11
             =========================

        prefix:                     /usr/local
        libdir:                     ${exec_prefix}/lib
        libexecdir:                 /usr/local/lib/upower
        bindir:                     ${exec_prefix}/bin
        sbindir:                    ${exec_prefix}/sbin
        datadir:                    ${datarootdir}
        sysconfdir:                 ${prefix}/etc
        localstatedir:              /var
        docdir:                     ${datarootdir}/doc/${PACKAGE_TARNAME}

        compiler:                   gcc -march=i486 -mtune=i686 -Os -pipe
        cflags:                     -fPIC
        cppflags:                    -DG_DISABLE_SINGLE_INCLUDES -DGTK_DISABLE_SINGLE_INCLUDES -DG_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE -DGSEAL_ENABLE
        xsltproc:                   

        Enable deprecated stuff:    no
        Backend:                    linux
        libimobiledevice support:   no
        Maintainer mode:            yes
        Building api docs:          no
        Building man pages:         no
        Building unit tests:        yes