From: Mark H Weaver <mhw@netris.org>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 30756@debbugs.gnu.org, Giel van Schijndel <giel@mortis.eu>
Subject: bug#30756: gcc7 doesn't find stdlib.h
Date: Fri, 04 May 2018 17:36:27 -0400 [thread overview]
Message-ID: <87fu37hzms.fsf@netris.org> (raw)
In-Reply-To: <87fu37rw8d.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Fri, 04 May 2018 22:39:46 +0200")
ludo@gnu.org (Ludovic Courtès) writes:
> Mark H Weaver <mhw@netris.org> skribis:
>
>> On my own private branch, I worked around this problem by adding
>> "-idirafter <LIBC>/include" to CXXFLAGS, but of course it's not a proper
>> fix. My workaround happens to be in Savannah on the
>> 'reproduce-bug-29774' branch:
>>
>> https://git.savannah.gnu.org/cgit/guix.git/commit/?h=reproduce-bug-29774&id=87022e2666c5e68e865eb160a4bd8e9cdcc1a955
>
> Perhaps we could achieve the same effect by adding “-idirafter
> LIBC/include” to the default spec file, under ‘cpp_options’?
> (We’d achieve that by modifying the value of ‘cpp_options’ in
> gcc/gcc.c.)
I guess that it might be better to avoid using -idirafter and instead
pay attention to the order in which the normal include search paths are
populated, and in particular for LIBC to last, but maybe that would be
awkward to arrange, dunno.
Mark
next prev parent reply other threads:[~2018-05-04 21:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 12:10 bug#30756: gcc7 doesn't find stdlib.h julien lepiller
2018-03-09 12:42 ` Ludovic Courtès
2018-05-04 9:46 ` Giel van Schijndel
2018-05-04 12:43 ` Ludovic Courtès
2018-05-04 14:30 ` Giel van Schijndel
2018-05-04 15:07 ` Giel van Schijndel
2018-05-04 15:28 ` Ludovic Courtès
2018-05-04 16:03 ` Giel van Schijndel
2018-05-04 16:41 ` Mark H Weaver
2018-05-04 17:14 ` Mark H Weaver
2018-05-04 20:39 ` Ludovic Courtès
2018-05-04 21:36 ` Mark H Weaver [this message]
2018-05-07 10:12 ` Ludovic Courtès
2018-05-07 23:32 ` Mark H Weaver
2018-05-08 13:21 ` Ludovic Courtès
2019-10-22 16:26 ` bug#30756: GCC >= 6 '-isystem' and C_INCLUDE_PATH behavior changed, breaking #include_next Carl Dong
2019-12-14 14:23 ` bug#30756: Use {C,CPLUS,OBJC}_INCLUDE_PATH instead of CPATH Mark Wielaard
2020-01-17 10:23 ` bug#30756: GCC >= 6 '-isystem' and C_INCLUDE_PATH behavior changed, breaking Reza Housseini
2020-01-19 21:16 ` Ludovic Courtès
2020-01-20 3:25 ` Maxim Cournoyer
2020-01-20 8:56 ` Ludovic Courtès
2020-01-22 3:04 ` Maxim Cournoyer
2020-01-23 20:45 ` Ludovic Courtès
2020-02-03 9:00 ` Ludovic Courtès
2020-02-03 21:03 ` Marius Bakke
2020-02-04 11:28 ` Ludovic Courtès
2020-02-06 17:49 ` Ludovic Courtès
2020-02-07 3:39 ` Maxim Cournoyer
2020-02-07 11:00 ` Ludovic Courtès
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