On Thu, Dec 13, 2018 at 12:03:59AM -0500, Mark H Weaver wrote: > Hi Efraim, > > I'm curious about this commit of yours from April 2017: > > --8<---------------cut here---------------start------------->8--- > commit 5c7815f205e9164d4b82378de91bee7a65bcfbcb > Author: Efraim Flashner > Date: Mon Apr 10 05:20:09 2017 +0300 > > gnu: gcl: Build with gcc@4.9. > > * gnu/packages/lisp.scm (gcl)[native-inputs]: Add gcc@4.9. > --8<---------------cut here---------------end--------------->8--- > > Do you remember why you did this? There's no explanation in the > comments, nor in the commit log, nor in the 'bug-guix' or 'guix-devel' > email archives from around that time. > > I'd like to remove it, and I've verified that on x86_64-linux, GCL > builds successfully with the default compiler. > > In general, it would be good to include comments with rationale for > workarounds like this, so that we have some idea of when the workaround > can be removed, and what tests we must do to ensure that the original > problem has been addressed. > > Thanks, > Mark I looked through the commits and I'm not sure why I added gcc@4.9. When did we change our default gcc from 4.9 to 5? I've made one attempt so far at building on aarch64-linux without gcc@4.9 and I got a core-dump but I haven't built it recently to see if it does that as-is. I'll take a closer look at it and try to see what's up. -- Efraim Flashner אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted