Re: [Bug-gnulib] hash.m4 AC_HEADER_STDBOOL -> AM_STDBOOL_H

[Paul Eggert]

Bruno Haible <address@hidden> writes:

> >    dnl Prerequisites of lib/hash.c.
> > +  AC_REQUIRE([AM_STDBOOL_H])
> >    AC_CHECK_HEADERS_ONCE(stdlib.h)
> 
> This is not needed, strictly speaking, since the depencency from 'hash'
> to 'stdbool' implies that gnulib-tool will ensure that AM_STDBOOL_H is
> invoked from configure.ac.

OK, but in that case there are several other unnecessary AC_REQUIREs,
e.g. in human.m4.  Perhaps there should be a systematic way of
detecting and removing them.  I left it alone for now, as the redudant
AC_REQUIREs don't hurt anytying.