tce-load -i compiletc intltool dbus-glib-dev polkit-dev gudev-lib-dev libusb-dev libimobiledevice-dev gobject-introspection-dev

cd upower-0.99.7

CFLAGS="-fPIC" 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 --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
sudo make install

                 UPower 0.99.7
             =========================

        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 -flto -fuse-linker-plugin -mtune=generic -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:                   /usr/local/bin/xsltproc

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