Re: [bug-gnulib] wcwidth on OSF/1

[Eric Blake-1]

> Confirmed. Thanks, Albert! I wasn't aware that this was the same bug
> that we work around in so many other places.
> 
> I'm adding the fix below to gnulib. No need any more for -I/usr/include
> or option -nodtk.

Why don't we instead add a new module, wchar, which provides a replacement
<wchar.h> using the same techniques as we do with stdint.m4.  Then we
could have all other modules that use wchar.h depend on this module, and
blindly
use <wchar.h> in their .h and .c without worrying about header dependencies,
rather than fighting whether AC_CHECK_HEADERS([wchar.h]) is used correctly
in the respective .m4 files?  After all, this is a pretty long list of .m4
files that all
mention wchar.h, and not all of them take the proper precautions to find the
right way to use it.  Maybe it is even worth an autoconf macro in 2.61.

m4/fnmatch.m4
m4/mbchar.m4
m4/mbrtowc.m4
m4/mbstate_t.m4
m4/mbswidth.m4
m4/quotearg.m4
m4/regex.m4
m4/stdint.m4
m4/strftime.m4
m4/wcwidth.m4
m4/wint_t.m4

-- 
Eric Blake

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