Re: ./configure options

I need different behavior, because in animate.c I have
#if defined(HasX11)
which for some reasons evaluated to TRUE, i.e. it tried to compile animate.c & co, with --without-x.

Im not sure, but I think that the line in configure.ac

AC_CONFIG_HEADERS([magick/magick_config.h magick/magick_config_api.h])

is not completely correct, since it forces the commenting out of the #undefs from magick_config_api.h which are no header preprocessor symbols.

I could think that the #undefs are misplaced in this file or AC_CONFIG_HEADERS shouldn't be called with magick_config_api.h, because the reason for the commenting out is:
"If the corresponding ‘ AC_DEFINE’ has not been executed during the configure run, the ‘ #undef’ line is commented out."
Shortly, as I understood it, AC_CONFIG_HEADERS is for headers only, not for symbols.

Best,



>     On November 18, 2019 at 7:29 PM Bob Friesenhahn < [email protected] mailto:[email protected] > wrote:
> 
> 
>     On Mon, 18 Nov 2019, Pro Turm wrote:
> 
> 
>         > >         Maybe my expectations are wrong.
> > 
> >         I expect to see (when without-x is used with configure) in the generated magick_config.h to see generated something like
> > 
> >         /* Define if you have X11 library */
> >         #undef HasX11
> > 
> >         and not
> > 
> >         /* Define if you have X11 library */
> >         /* #undef HasX11 */
> > 
> >         How do I achieve this ?
> > 
> >     > 
>     I am not sure that I like this behavior either, but it is intrinsic to
>     the use of Autoconf and the way that Autoconf has always worked (as
>     far as I remember).
> 
>     For what purpose do you need different behavior?
> 
>     Bob
>     --
>     Bob Friesenhahn
>     [email protected] mailto:[email protected] , http://www.simplesystems.org/users/bfriesen/
>     GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
>     Public Key, http://www.simplesystems.org/users/bfriesen/public-key.txt
> 
> 
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