I'm looking at guile-charting now, and i don't understand how it is being used as a soft dependency. in guix/scripts/size.scm line 195 it is getting used with "(module-autoload!"... is that it? On 2/17/20 9:36 AM, Ludovic Courtès wrote: > Hi, > > Efraim Flashner skribis: > >> From 578d6f023c706df999c1b1b1bb23c9771b279857 Mon Sep 17 00:00:00 2001 >> From: Martin Becze >> Date: Tue, 4 Feb 2020 07:18:20 -0500 >> Subject: [PATCH 3/8] Added Guile-Semver as a dependency to guix >> >> * configure.ac: added check for guile-semver >> * gnu/packages/package-management.scm (guix): added guile-semver as dep > > [...] > >> +dnl Check for Guile-Semver >> +GUILE_MODULE_AVAILABLE([have_guile_semver], [(semver)]) >> +if test "x$have_guile_semver" != "xyes"; then >> + AC_MSG_ERROR([Guile-Semver is missing; please install it.]) >> +fi > > I think a hard dependency like this is too much. > > I would very much prefer to deal with it similar to how we deal with > Guile-Newt or Guile-Charting: a soft dependency that’s entirely > optional. > > But I guess that also depends on what Guile-Semver is used for. > I just posted a question on this topic in that thread. :-) > > Thanks for reviving this patch series! > > Ludo’. >