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

[Philippe Mathieu-Daudé]

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
   write_c_skeleton
   if compile_prog "-march=z900" ""; then
     roms="$roms s390-ccw"
-- 
2.26.2