Re: [Bug-gnulib] feature request: argp()

[Paul Eggert]

Simon Josefsson <address@hidden> writes:

> the problem is that argp does
> 
> #ifndef alloca
> # ifdef __GNUC__
> #  define alloca __builtin_alloca
> #  define HAVE_ALLOCA 1
> # else
> #  if defined HAVE_ALLOCA_H || defined _LIBC
> #   include <alloca.h>
> #  else
> #   ifdef _AIX
>  #pragma alloca
> #   else
> #    ifndef alloca
> char *alloca ();
> #    endif
> #   endif
> #  endif
> # endif
> #endif

That's clearly bogus, as it has an 'ifndef alloca' nested inside
an 'ifndef alloca'.  Try replacing this with the code fragment
recommended in the Autoconf 2.57 documentation.

> and that this alloca() declaration doesn't match the one in stdlib.h

Which operating system is this?  Does it have <alloca.h>?  If so,
do <alloca.h> and <stdlib.h> disagree about alloca?