Jan Nieuwenhuizen writes:

> While building guile2.2-gdbm-ffi an error is printed that does not
> prevent the package from being built
>
>      @ build-started /gnu/store/z9m20fz1ayyl0g9b4ad6wgmq3fv2h7gi-guile2.2-gdbm-ffi-20120209.fa1d5b6.drv - x86_64-linux /var/log/guix/drvs/z9//m20fz1ayyl0g9b4ad6wgmq3fv2h7gi-guile2.2-gdbm-ffi-20120209.fa1d5b6.drv.bz2
>      ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
>      ;;;       or pass the --no-auto-compile argument to disable.
>      ;;; compiling /gnu/store/d3gli8g5bv6yhd3qwk5rfzqpsfvnj4lv-guile-next-2.1.5/bin/guild
>      ;;; WARNING: compilation of /gnu/store/d3gli8g5bv6yhd3qwk5rfzqpsfvnj4lv-guile-next-2.1.5/bin/guild failed:
>      ;;; ERROR: failed to create path for auto-compiled file "/gnu/store/d3gli8g5bv6yhd3qwk5rfzqpsfvnj4lv-guile-next-2.1.5/bin/guild"
>      wrote `/gnu/store/xskgkfsxz936nifjs8vxqwk95kf62ia8-guile2.2-gdbm-ffi-20120209.fa1d5b6/share/guile/site/2.2/gdbm.go'
>      @ build-succeeded /gnu/store/z9m20fz1ayyl0g9b4ad6wgmq3fv2h7gi-guile2.2-gdbm-ffi-20120209.fa1d5b6.drv -
>      /gnu/store/xskgkfsxz936nifjs8vxqwk95kf62ia8-guile2.2-gdbm-ffi-20120209.fa1d5b6
>      22:00:06 janneke@dundal:~/src/guix

Ah yeah, okay!  I fixed this by adding GUILE_AUTO_COMPILE=0 to the
environment while compiling.  New patch attached!