tce-load -i intltool gtk3-dev gtk3-gir libwnck-dev libxml2-dev libxslt libsoup-gnome-dev gcr-dev webkitgtk-dev libsecret-dev gsettings-desktop-schemas-dev gnome-desktop-dev libnotify-dev avahi-dev nss-dev iso-codes harfbuzz-icu-dev

cd epiphany-3.8.2

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 --localstatedir=/var --disable-static

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

make
sudo make install

/usr/local/bin/ld: warning: libffi.so.5, needed by /usr/local/lib/libjavascriptcoregtk-3.0.so, may conflict with libffi.so.6 [webkitgtk]
/usr/local/bin/ld: warning: libgcrypt.so.11, needed by /usr/local/lib/libgcr-3.so, not found (try using -rpath or -rpath-link) [gcr]

Epiphany was configured with the following options:

        Source code location       : .
        Compiler                   : gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe
        Prefix                     : /usr/local
        Extra debugging support    : no
        Build tests                : yes
        Code coverage              : no

        NSS support                : yes
        WebKit2                    : yes