[PATCH v3 08/11] xfsprogs: Add fls check into autoconf

[Jan Tulak]

On Tue, Aug 4, 2015 at 2:12 PM, Jan Tulak <jtulak at redhat.com> wrote:

>
>
> ----- Original Message -----
> > From: "Christoph Hellwig" <hch at infradead.org>
> > To: "Jan Tulak" <jtulak at redhat.com>
> > Cc: hch at infradead.org, xfs at oss.sgi.com
> > Sent: Tuesday, August 4, 2015 1:21:03 PM
> > Subject: Re: [PATCH v3 08/11] xfsprogs: Add fls check into autoconf
> >
> > Can't you just use something like:
> >
> > AC_CHECK_DECL([fls],
> >         [AC_DEFINE([HAVE_FLS_PROTOTYPE], [1],
> >        [Define to 1 if have fls prototype])],
> >        [],
> >        [#include <string.h>])
> >
>
> You mean to replace the entire autoconf part of the patch with this?
> I will try it. Autoconf is still a bit of a black magic for me, so I
> used the already existing checks. :-)
>

Hi Chris,
did you want the result to be this? (I didn't get any clarification of what
you mean, so I'm asking again. :-) )

#
# Check if we have a flc call (Mac OS X)
#
AC_DEFUN([AC_HAVE_FLS],
  [ AC_CHECK_DECL([fls],
       have_fls=yes,
       [],
       [#include <string.h>]
       )
    AC_SUBST(have_fls)
  ])

Cheers,
Jan

-- 
Jan Tulak
jtulak at redhat.com
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