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Re: Remove -fexceptions configure test
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Szabolcs Nagy <nsz at port70 dot net>
- Cc: Roland McGrath <roland at hack dot frob dot com>, <libc-alpha at sourceware dot org>
- Date: Mon, 19 Oct 2015 16:44:55 +0000
- Subject: Re: Remove -fexceptions configure test
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot DEB dot 2 dot 10 dot 1510152146440 dot 6002 at digraph dot polyomino dot org dot uk> <20151015215813 dot EAB7F2C3C0C at topped-with-meat dot com> <alpine dot DEB dot 2 dot 10 dot 1510152316250 dot 6002 at digraph dot polyomino dot org dot uk> <20151018124910 dot GA10551 at port70 dot net>
On Sun, 18 Oct 2015, Szabolcs Nagy wrote:
> i think -fasynchronous-unwind-tables don't need -fexceptions
> (currently).
>
> -fasync* means unwind can propagate from anywhere, cleanups
> are not run.
So do you think cases with callbacks (which might be C++ functions
throwing exceptions through libc code) need -fexceptions, or only
-funwind-tables?
--
Joseph S. Myers
joseph@codesourcery.com