Re: arg-nonnull.h & warn-on-use.h in build-aux

[Sam Steingold]

Hi,

On 2/24/10, Ralf Wildenhues <address@hidden> wrote:
>  * Sam Steingold wrote on Wed, Feb 24, 2010 at 01:15:13AM CET:
> > On 2/23/10, Bruno Haible wrote:
>  > >  Autoconf requires it to be constant. You specify it through the
>  > >  AC_CONFIG_AUX_DIR macro. In other words, if you add to
>  > >   clisp/modules/syscalls/configure.ac
>  > >  the line
>  > >   AC_CONFIG_AUX_DIR([../../src/build-aux])
>  > >  then you need only one copy of arg-nonnull.h, at
>  > >   clisp/src/build-aux/arg-nonnull.h
>  >
>  > I already have CL_MODULE_COMMON_CHECKS() in 
> clisp/modules/syscalls/configure.in
>  > which expands to
>  > AC_REQUIRE([AC_CONFIG_AUX_DIR],
>  > [AC_CONFIG_AUX_DIR([$cl_cv_clisp_libdir/build-aux])])
>
>
> That won't work right, the aux dir name needs to be known to autoreconf
>  and 'automake --add-missing', so it needs to be a literal string.
>
>  The reason autoconf doesn't warn or error out about nonliteral
>  AC_CONFIG_AUX_DIR argument is probably that in the distant past
>  (2.13 I guess, before I knew Autoconf anyway) it used to be
>  possible to pass a shell variable.

the reason it does not complain for me is that before calling all
those autoFOO things I create a local directory called
'$cl_cv_clisp_libdir' which point to the right place.

at any rate, why does automake write this $(top_srcdir)/src/build-aux
instead of what specify in my AC_CONFIG_AUX_DIR?

-- 
Sam Steingold <http://sds.podval.org>