Re: [bug-gnulib] Re: warning in AC_CHECK_DECL

[Bruno Haible]

Paul Eggert wrote on 2006-02-17:
> >  Either we need to update the various gnulib macros
> > borrowed from CVS autoconf to override bugs in autoconf 2.59, or we need
> > to release autoconf 2.60.
> 
> We should do both, since we can't assume 2.60 will be adopted right
> away.  What changes need to be made, for this particular issue, to
> both programs?

I brought over Eric's change to gnulib:


2006-03-04  Eric Blake  <address@hidden>

        * strerror_r.m4 (AC_FUNC_STRERROR_R): Avoid unused variable warning.

*** m4/strerror_r.m4.bak        2005-01-26 17:51:26.000000000 +0100
--- m4/strerror_r.m4    2006-04-24 00:36:14.000000000 +0200
***************
*** 25,30 ****
--- 25,31 ----
          char buf[100];
          char x = *strerror_r (0, buf, sizeof buf);
          char *p = strerror_r (0, buf, sizeof buf);
+         return !p || x;
        ]])],
                        ac_cv_func_strerror_r_char_p=yes)
      else