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From: Andreas Schwab <schwab@suse.de>
To: Joseph Myers <joseph@codesourcery.com>
Cc: <gcc-patches@gcc.gnu.org>
Subject: Re: Use ucontext_t not struct ucontext in linux-unwind.h files
References: <alpine.DEB.2.20.1706271356170.15648@digraph.polyomino.org.uk>
X-Yow: Darling, my ELBOW is FLYING over FRANKFURT, Germany..
Date: Mon, 10 Jul 2017 08:42:00 -0000
In-Reply-To: <alpine.DEB.2.20.1706271356170.15648@digraph.polyomino.org.uk>	(Joseph Myers's message of "Tue, 27 Jun 2017 13:57:25 +0000")
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On Jun 27 2017, Joseph Myers <joseph@codesourcery.com> wrote:

> Testing compilation together with current glibc with glibc's
> build-many-glibcs.py.  OK to commit (mainline and active release
> branches) if that passes?

This still doesn't work on the gcc-6-branch:

In file included from ../../../libjava/prims.cc:26:0:
../../../libjava/prims.cc: In function 'void _Jv_catch_fpe(int, siginfo_t*, void*)':
./include/java-signal.h:33:26: error: invalid use of incomplete type 'struct _Jv_catch_fpe(int, siginfo_t*, void*)::ucontext'
   gregset_t &_gregs = _uc->uc_mcontext.gregs;    \
                          ^
../../../libjava/prims.cc:192:3: note: in expansion of macro 'HANDLE_DIVIDE_OVERFLOW'
   HANDLE_DIVIDE_OVERFLOW;
   ^~~~~~~~~~~~~~~~~~~~~~
./include/java-signal.h:32:10: note: forward declaration of 'struct _Jv_catch_fpe(int, siginfo_t*, void*)::ucontext'
   struct ucontext *_uc = (struct ucontext *)_p;    \
          ^
../../../libjava/prims.cc:192:3: note: in expansion of macro 'HANDLE_DIVIDE_OVERFLOW'
   HANDLE_DIVIDE_OVERFLOW;
   ^~~~~~~~~~~~~~~~~~~~~~
make[3]: *** [Makefile:9968: prims.lo] Error 1

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."