SWIG is compiled without optimizations

OpenSubmitted by Ludovic Courtès.
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2 participants
  • Ludovic Courtès
  • Ludovic Courtès
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Ludovic Courtès wrote on 27 Apr 2021 09:52
(address . bug-guix@gnu.org)
87eeew6u5m.fsf@inria.fr
From:

Toggle snippet (10 lines)
$ guix describe
Generacio 181 Apr 26 2021 08:47:48 (nuna)
guix d904abe
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: d904abe0768293b2322dbf355b6e41d94e769d78
$ guix build swig --log-file
https://ci.guix.gnu.org/log/2l8f4sjw0jbfll4ilp7pzwimrh5kjdgf-swig-4.0.1

… we can see lots of warnings like this one:

Toggle snippet (9 lines)
checking perl5 testcase abstract_inherit_ok
In file included from /gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include/bits/libc-header-start.h:33:0,
from /gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include/string.h:26,
from li_cstring_wrap.cxx:342:
/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include/features.h:397:4: warning: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Wcpp]
# warning _FORTIFY_SOURCE requires compiling with optimization (-O)
^~~~~~~

Compiling without optimizations sounds like a bad idea. We should add
-O2 somewhere to the CFLAGS.

Ludo’.
L
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Ludovic Courtès wrote on 28 Apr 2021 22:48
control message for bug #48056
(address . control@debbugs.gnu.org)
87lf92qgou.fsf@gnu.org
tags 48056 + easy
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