Hi again, I tried compiling 1.6.0 on Ubuntu hardy (and updating some libraries to fulfill the build-deps), but it explodes. Guess it won't be that easy to backport. Output is below. randall@batou:~/labplot-1.6.0.1$ dpkg-buildpackage -uc -us dpkg-buildpackage: set CPPFLAGS to default value: dpkg-buildpackage: set CFLAGS to default value: -g -O2 dpkg-buildpackage: set CXXFLAGS to default value: -g -O2 dpkg-buildpackage: set FFLAGS to default value: -g -O2 dpkg-buildpackage: set LDFLAGS to default value: -Wl,-Bsymbolic-functions dpkg-buildpackage: source package labplot dpkg-buildpackage: source version 1.6.0.1-3 dpkg-buildpackage: source changed by Frank S. Thomas