Download a Qt5 source release from http://download.qt.io/official_releases/qt/.
Extract it and enter the qtbase
directory.
./configure \
-force-debug-info \
-opensource \
-confirm-license \
-static \
-nomake examples \
-qt-doubleconversion \
-no-dbus \
-no-eglfs \
-no-eglfs \
-no-evdev \
-no-fontconfig \
-no-freetype \
-no-gif \
-no-gstreamer \
-no-gui \
-no-iconv \
-no-icu \
-no-libjpeg \
-no-libpng \
-no-linuxfb \
-no-opengl \
-no-pulseaudio \
-no-qml-debug \
-no-widgets \
-no-xcb