[Mesa-dev] [PATCH] configure.ac: Do not check for rt on Mac OS X.

[Michel Dänzer]

On Fre, 2013-02-08 at 08:11 +0100, Vinson Lee wrote: 
> There is no rt library on Mac OS X.
> 
> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=58872
> ---
>  configure.ac |   14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 9cc5c4a..39ad85a 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -499,10 +499,16 @@ AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
>         [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
>  AC_SUBST([DLOPEN_LIBS])
>  
> -AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
> -               [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
> -                             [AC_MSG_ERROR([Couldn't find clock_gettime])])])
> -AC_SUBST([CLOCK_LIB])
> +case "$host_os" in
> +darwin*)
> +    ;;
> +*)
> +    AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
> +                   [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
> +                                 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
> +    AC_SUBST([CLOCK_LIB])
> +    ;;
> +esac

Couldn't you just remove the AC_MSG_ERROR stanza? It seems weird to
avoid the check for librt because 'there is no librt'. :)


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer