Use dpkg-divert to add a wrapper-script that sets LD_PRELOAD as suggested: # dpkg-divert --add --rename --divert /usr/lib/firefox/firefox.real /usr/lib/firefox/firefox # cat <<EOF > /tmp/firefox #!/bin/sh
# fixes bug #41787 export LD_PRELOAD=/usr/lib/libXt.so.6 exec /usr/lib/firefox/firefox.real "$@" EOF # mv -i /tmp/firefox /usr/lib/firefox/firefox # chmod 755 /usr/lib/firefox/firefox -- nppdf.so: undefined symbol: XtCalloc https://launchpad.net/bugs/41787 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs