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Re: [Xen-devel] [Xen-staging] [xen-unstable] autoconf: check for dev86 and iasl on x86* only



On Fri, 2012-05-25 at 14:38 +0100, Roger Pau Monne wrote:
> > Is that expected? I don't think it is... Should these not be the ones
> > which are conditional?
> 
> It is a conditional, but since the script is the same for all 
> architectures and arch is not checked when doing a "configure --help", 
> all the possible options are printed, even those that don't apply to a 
> system. I will try to check if there's a better way to hide them, but 
> I'm not sure.

If not then I guess the original patch should be reverted?

> >>
> >>   # Checks for programs.
> >>   ac_ext=c
> >> diff -r 49ce39c88aee -r dfe39bd65137 tools/configure.ac
> >> --- a/tools/configure.ac   Mon May 14 16:20:33 2012 +0100
> >> +++ b/tools/configure.ac   Mon May 14 16:22:39 2012 +0100
> >> @@ -67,10 +67,16 @@ AC_ARG_VAR([CURL], [Path to curl-config
> >>   AC_ARG_VAR([XML], [Path to xml2-config tool])
> >>   AC_ARG_VAR([BASH], [Path to bash shell])
> >>   AC_ARG_VAR([XGETTEXT], [Path to xgetttext tool])
> >> -AC_ARG_VAR([AS86], [Path to as86 tool])
> >> -AC_ARG_VAR([LD86], [Path to ld86 tool])
> >> -AC_ARG_VAR([BCC], [Path to bcc tool])
> >> -AC_ARG_VAR([IASL], [Path to iasl tool])
> >> +
> >> +dnl as86, ld86, bcc and iasl are only present in x86* systems
> >> +case "$host_cpu" in
> >> +i[[3456]]86|x86_64)
> >> +    AC_ARG_VAR([AS86], [Path to as86 tool])
> >> +    AC_ARG_VAR([LD86], [Path to ld86 tool])
> >> +    AC_ARG_VAR([BCC], [Path to bcc tool])
> >> +    AC_ARG_VAR([IASL], [Path to iasl tool])
> >> +    ;;
> >> +esac
> >>
> >>   # Checks for programs.
> >>   AC_PROG_CC
> >>
> 
> I don't know why, but I think my previous patch missed to also make the 
> actual check conditional, so the applied patch was useless. This should 
> fix it:
> 
> 8<----------------------------------------------------------
> 
> autoconf: disable dev86 and iasl checks on arm
> 
> Run autogen after applying this patch.
> 
> Signed-off-by: Roger Pau Monne <roger.pau@xxxxxxxxxx>

Looks good to me
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
>   tools/configure.ac |   13 +++++++++----
>   1 files changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/configure.ac b/tools/configure.ac
> index 706ee13..f7aa9b8 100644
> --- a/tools/configure.ac
> +++ b/tools/configure.ac
> @@ -109,10 +109,15 @@ AS_IF([test "x$pythontools" = "xy"], [
>       AX_CHECK_PYTHON_DEVEL()
>   ])
>   AX_PATH_PROG_OR_FAIL([XGETTEXT], [xgettext])
> -AX_PATH_PROG_OR_FAIL([AS86], [as86])
> -AX_PATH_PROG_OR_FAIL([LD86], [ld86])
> -AX_PATH_PROG_OR_FAIL([BCC], [bcc])
> -AX_PATH_PROG_OR_FAIL([IASL], [iasl])
> +dnl as86, ld86, bcc and iasl are only present in x86* systems
> +case "$host_cpu" in
> +i[[3456]]86|x86_64)
> +    AX_PATH_PROG_OR_FAIL([AS86], [as86])
> +    AX_PATH_PROG_OR_FAIL([LD86], [ld86])
> +    AX_PATH_PROG_OR_FAIL([BCC], [bcc])
> +    AX_PATH_PROG_OR_FAIL([IASL], [iasl])
> +    ;;
> +esac
>   AX_CHECK_UUID
>   AX_CHECK_CURSES
>   PKG_CHECK_MODULES(glib, glib-2.0)
> -- 



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