`nix-build -A gnome2.gtksourceview` fails to build with autoconf 2.70 with the following error:
...
autoreconf: running: intltoolize --copy --force
You should update your 'aclocal.m4' by running aclocal.
autoreconf: running: gtkdocize --copy
Can't exec "gtkdocize": No such file or directory at /nix/store/hm8xfxprfk4l1msb9hpjwgydilbqlvl5-autoconf-2.70/share/autoconf/Autom4te/FileUtils.pm line 293.
autoreconf: error: gtkdocize failed with exit status: 2
gnome2.gtksourceview builds successfully with autoconf 2.69.
3d5c4053ca