Re: [PATCH v3] configure: Only build s390-ccw BIOS when system emulation is built

[Thomas Huth]

On 25/01/2021 17.58, Philippe Mathieu-Daudé wrote:
> It is pointless to build the s390-ccw BIOS when only user-mode
> emulation is built. Only build it when s390 system mode emulation
> is selected.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> v3: Restrict to s390x host (thuth)
> v2: Restrict to s390x-softmmu target (thuth)
> ---
>   configure | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/configure b/configure
> index dcc5ea7d630..4751d3e352d 100755
> --- a/configure
> +++ b/configure
> @@ -5372,8 +5372,14 @@ if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } 
> && \
>       done
>   fi
>   
> +s390_ccw_bios=no
> +# Only build s390-ccw bios if we're targetting s390x system emulation
> +case $target_list in
> +  *"s390x-softmmu"*) s390_ccw_bios=yes
> +  ;;
> +esac
>   # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900
> -if test "$cpu" = "s390x" ; then
> +if test "$cpu" = "s390x" && test "$s390_ccw_bios" = yes; then

Looks good to me now ... but maybe it could even be done simpler (without 
the case statement) by simply doing:

 if test "$cpu" = "s390x" && echo "$target_list" | grep -q s390x-softmmu ; then
 ...

?

 Thomas