This is the mail archive of the
mailing list for the GCC project.
Re: GCC 4.9.1 Status Report (2014-07-10)
- From: Joel Sherrill <joel dot sherrill at oarcorp dot com>
- To: "pinskia at gmail dot com" <pinskia at gmail dot com>, Ian Lance Taylor <iant at google dot com>
- Cc: "Franzi Edo." <edo dot franzi at ukos dot ch>, Jakub Jelinek <jakub at redhat dot com>, GCC Development <gcc at gcc dot gnu dot org>
- Date: Thu, 10 Jul 2014 17:29:31 -0500
- Subject: Re: GCC 4.9.1 Status Report (2014-07-10)
- Authentication-results: sourceware.org; auth=none
- References: <20140710103011 dot GE31640 at tucnak dot redhat dot com> <4E484367-BB51-4E47-A5C6-7A71C9A5FC83 at ukos dot ch> <CAKOQZ8yFgUf092b9-F+Hf_ZTZhiNdxQGJJ8znLPxVCw9MhFshg at mail dot gmail dot com> <24B0C232-909F-40BD-BD3A-32DA133E4035 at gmail dot com>
On 7/10/2014 5:14 PM, firstname.lastname@example.org wrote:
>> On Jul 10, 2014, at 3:13 PM, Ian Lance Taylor <email@example.com> wrote:
>>> On Thu, Jul 10, 2014 at 11:40 AM, Franzi Edo. <firstname.lastname@example.org> wrote:
>>> As for the version 4.9.0, on OSX stil remain a problem.
>>> I cannot build an ARM a cross compiler!
>>> Here is the message (same as for the 4.9.0)
>>> .../Packages/gcc-4.9.1/gcc/config/arm/neon.md:3486:10917: fatal error:
>>> bracket nesting level exceeded maximum of 256
>>> .../Packages/gcc-4.9.1/gcc/config/arm/neon.md:3486:10917: note: use
>>> -fbracket-depth=N to increase maximum nesting level
>>> 32 warnings and 1 error generated.
>>> make: *** [insn-attrtab.o] Error 1
>> You did not include enough context to be sure, but I don't think that
>> error message is coming from GCC. At least, I don't see that error
>> message in the GCC sources.
>> I think that error message is coming from the host compiler you are
>> using, in which case, based on the error message, the solution would
>> seem to be
>> make CFLAGS="-g -O2 -fbracket-depth=512"
> Also i thought we did not support cross building with anything besides gcc.
The RTEMS community sees this when using clang/llvm on FreeBSD.
Franzi.. did the suggestion from Chris Johns to increase the limit
to 1024, not work?
This ended up being reported at http://llvm.org/bugs/show_bug.cgi?id=19650
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill@OARcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985