Catonano transcribed 4.3K bytes: > 2017-03-28 11:52 GMT+02:00 Ludovic Courtès <l...@gnu.org>: > > > Howdy! > > > > Hartmut Goebel <h.goe...@crazy-compilers.com> skribis: > > > > > when defining a new package, I often find myself spending *a lot* of > > > time debugging and tweaking the build. E.g. the if the Makefile needs to > > > be modified, or some test-cases adjusted. > > > > > > How do I "get into" the build container, so I can debug, modify files, > > > rebuild and run tests there - in a closed environment (nearly) like the > > > build-daemon has? > > > > Most of the time, you don’t need to get into a container. In those > > cases, it’s enough to do: > > > > guix build -K foo > > # build fails… > > cd /tmp/guix-build-foo.drv-0 > > source ./environment-variables > > cd foo-1.2 > > … > > > > In some cases (for example when you have tests that fail in the build > > environment but succeed once you’ve followed the steps above), you > > really need a container similar to that created by guix-daemon. In that > > case, do: > > > > guix build -K foo > > # build fails… > > cd /tmp/guix-build-foo.drv-0 > > guix environment -C foo --ad-hoc strace gdb > > rm /bin/sh # to be really like in the guix-daemon environment > > source ./environment-variables > > cd foo-1.2 > > $GUIX_ENVIRONMENT/bin/strace -f -o log make check > > … > > > > That would probably make a good “Debugging Build Failures” section. > > > > > > > This is important information and it's more detailed than what Pjotr wrote > in his wrap up > > I'd do it myself but I don't know the first thing about the info system > > Which is the source file ?
doc/guix.texi > How do I compile it ? I never got anything else than html to build with make of guix, (make doc/guix.html).. it's not super obvious. I know how texi2pdf etc works, but this should at least be listed somewhere other than the Makefile. > Which Emacs mode should I use ?