GNU bug report logs - #30756
GCC >= 6 '-isystem' and C_INCLUDE_PATH behavior changed, breaking #include_next

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Package: guix;

Reported by: julien lepiller <julien <at> lepiller.eu>

Date: Fri, 9 Mar 2018 12:12:01 UTC

Severity: important

Done: Ludovic Courtès <ludo <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Reza Housseini <reza.housseini <at> gmail.com>
Cc: reza.housseini <at> gmx.ch, 30756 <at> debbugs.gnu.org
Subject: bug#30756: GCC >= 6 '-isystem' and C_INCLUDE_PATH behavior changed, breaking
Date: Sun, 19 Jan 2020 22:16:52 +0100

Hi,

Reza Housseini <reza.housseini <at> gmail.com> skribis:

> So what is the workaround for this bug when one wants to use gcc >= 6.0.0
> with a cmake build system?

Guix has been using GCC 7.x as its default compiler for some time, and
everything works well, CMake or not.  However, we also switched to using
‘CPATH’ instead of ‘C_INCLUDE_PATH’ to work around this bug.

HTH!

Ludo’.
This bug report was last modified 5 years and 109 days ago.

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