On Tue, Aug 4, 2015 at 2:12 PM, Jan Tulak <jtulak@xxxxxxxxxx> wrote:
--
----- Original Message -----
> From: "Christoph Hellwig" <hch@xxxxxxxxxxxxx>
> To: "Jan Tulak" <jtulak@xxxxxxxxxx>
> Cc: hch@xxxxxxxxxxxxx, xfs@xxxxxxxxxxx
> 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
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