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[Bug libstdc++/39491] [4.4/4.5 regression] symbol __signbitl@GLIBCXX_3.4 in libstdc++ not exported anymore
- From: "joseph at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Apr 2009 19:01:25 -0000
- Subject: [Bug libstdc++/39491] [4.4/4.5 regression] symbol __signbitl@GLIBCXX_3.4 in libstdc++ not exported anymore
- References: <bug-39491-11764@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #24 from joseph at codesourcery dot com 2009-04-23 19:01 -------
Subject: Re: [4.4/4.5 regression] symbol __signbitl@GLIBCXX_3.4
in libstdc++ not exported anymore
On Thu, 23 Apr 2009, jakub at gcc dot gnu dot org wrote:
> ------- Comment #21 from jakub at gcc dot gnu dot org 2009-04-23 06:28 -------
> Created an attachment (id=17682)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17682&action=view)
> --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17682&action=view)
> glibc-no-long-double-math.patch
>
> I agree that even for __NO_LONG_DOUBLE_MATH we should provide *l prototypes
> (certainly for __USE_ISOC99, not sure about __USE_MISC alone), just redirecting
> to the non-l functions, though tgmath.h nor signbit/finite/... macros which
> just use sizeof obviously can stay as is.
> This patch is totally untested...
This patch works for me on ARM (in that math.h and complex.h define the
functions with it applied and the glibc test results are as expected).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39491