Re: [Help-gsl] Compatibility with old and new inline functions in GSL

[Joseph Wakeling]

On 05/28/2010 08:16 PM, Peter Johansson wrote:
> You could do
> 
> AC_CHECK_HEADER([gsl/gsl_version.h],
>                [foo="#include <gsl/gsl_inline.h>"],
>                [foo="#define INLINE_FUN extern inline"])
> AC_SUBST(foo)
> AC_CONFIG_FILES([config_public.h])
> 
> in configure.ac
> 
> and have a config_public.h.in
> 
> @foo@
> 
> The downside with this approach is that 'config_public.h' will be
> touched every time you run configure and potentially cause some
> significant re-compiling for you.

Late response -- thank you very much, I think that's exactly what I was
looking for.  There is not so much compiling to be done, so I'm not too
bothered about the extra cost ... :-)