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[adding bug-gnulib]
According to Karl Berry on 12/15/2009 3:49 PM:
> Hi Jim and all,
>
> On a CentOS 5.4 system, compiling with gcc 4.4.2, configure goes into an
> infinite loop here:
> checking whether btowc(EOF) is correct...
>
> Running gdb on conftest gets a backtrace like this:
> #0 0x080491d1 in btowc (__c=-1) at /usr/include/wchar.h:331
> #1 0x08049431 in btowc () at /usr/include/wchar.h:332
> #2 main () at conftest.c:276
>
> Where that line 331 is:
> 331 { return (__builtin_constant_p (__c) && __c >= '\0' && __c <= '\x7f'
Can you show more context? Seeing just a partial statement doesn't
explain why we might be in an inf-loop.
>
> This does not happen with other versions of gcc. I can't tell if it's a
> gcc bug or a system include file bug or something actually in coreutils,
> but here's the report anyway. It was pretty unsettling to have
> configure hang.
Indeed.
- --
Don't work too hard, make some time for fun as well!
Eric Blake e...@byu.net
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