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From: Jonathan Wakely <>
To: Detlef Vollmann <>
Cc: "libstdc++" <>,
	gcc Patches <>
Subject: Re: [committed] libstdc++: Move closing brace outside #endif [PR104866]
Date: Fri, 11 Mar 2022 17:59:54 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Fri, 11 Mar 2022 at 15:35, Detlef Vollmann wrote:
> On 3/11/22 16:12, Jonathan Wakely wrote:
> > On Fri, 11 Mar 2022 at 14:28, Detlef Vollmann wrote:
> >> With this and the other fix I was able to build the complete
> >> libstdc++ for AVR based on AVR Libc 2.0 (plus some ad hoc
> >> AVR header fixes) from git master 5e28be89.
> >
> > Nice. I finally figure out that I need to use --enable-libstdcxx *not*
> > --enable-libstdc++-v3 to build for AVR,
> Yes, I had the same problem.
> A comment in the 'configure' script still says libstdc++-v3

Yes, I have a patch to fix that.

> and in the configure docs at
> <>
> or
> <>
> there's neither :-(
> > and now I get errors due to
> > EOVERFLOW being undefined. Is that what you fixed?
> One of them.
> > We should make that work. Arguably, all values of std::errc should
> > exist, even if the OS <errno.h> doesn't provide a constant. We could
> > define the missing ones ourselves, choosing numbers > 1000 (and hope
> > the OS uses small numbers for its own errno values).
> I simply defined all that were required.
> I've attached a tarball with all my header fixes.

Thanks. Now I'm getting a build failure because libtol wasn't created
in the avr/libstdc++-v3 directory of the build tree, but I'll have to
look into that next week.

/bin/sh: ../libtool: No such file or directory

> To get them picked up while compiling libstdc++ I had to
> put them into ${prefix}/avr/lib/include.
> But these are really ad hoc, some of the problems I think should
> be fixed in the libstdc++ sources.
> E.g. I think it's wrong to expect that specific functions are
> available if a respective header is available (e.g. close()
> in unistd.h).

Yes, that was me being lazy.

  reply	other threads:[~2022-03-11 18:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-10 21:11 Jonathan Wakely
2022-03-11 14:27 ` Detlef Vollmann
2022-03-11 15:12   ` Jonathan Wakely
2022-03-11 15:21     ` Jonathan Wakely
2022-03-11 15:35     ` Detlef Vollmann
2022-03-11 17:59       ` Jonathan Wakely [this message]
2022-03-11 19:24         ` Detlef Vollmann
2022-03-14  9:57           ` Detlef Vollmann

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