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bug#48056: SWIG is compiled without optimizations
From: |
Ludovic Courtès |
Subject: |
bug#48056: SWIG is compiled without optimizations |
Date: |
Tue, 27 Apr 2021 09:52:53 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
From:
--8<---------------cut here---------------start------------->8---
$ 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
--8<---------------cut here---------------end--------------->8---
… we can see lots of warnings like this one:
--8<---------------cut here---------------start------------->8---
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)
^~~~~~~
--8<---------------cut here---------------end--------------->8---
Compiling without optimizations sounds like a bad idea. We should add
-O2 somewhere to the CFLAGS.
Ludo’.
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