From: Paolo Bonzini <pbonzini@redhat.com>

s390-ccw remains a bit more complex, because the -march=z900 test is done
only for the native cross compiler.  Otherwise, all that is needed is
to pass the (now mandatory) target argument to write_target_makefile.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 configure | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/configure b/configure
index c175650eb9..a54e17aca9 100755
--- a/configure
+++ b/configure
@@ -2152,7 +2152,7 @@ probe_target_compiler() {
     target_ranlib=
     target_strip=
   fi
-  test -n "$target_cc"
+  test -n "$target_cc" || test -n "$container_image"
 }
 
 write_target_makefile() {
@@ -2307,7 +2307,7 @@ if test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
     config_mak=pc-bios/optionrom/config.mak
     echo "# Automatically generated by configure - do not modify" > $config_mak
     echo "TOPSRC_DIR=$source_path" >> $config_mak
-    write_target_makefile >> $config_mak
+    write_target_makefile pc-bios/optionrom/all >> $config_mak
 fi
 
 if test "$softmmu" = yes && probe_target_compiler ppc-softmmu; then
@@ -2315,25 +2315,31 @@ if test "$softmmu" = yes && probe_target_compiler ppc-softmmu; then
     config_mak=pc-bios/vof/config.mak
     echo "# Automatically generated by configure - do not modify" > $config_mak
     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
-    write_target_makefile >> $config_mak
+    write_target_makefile pc-bios/vof/all >> $config_mak
 fi
 
 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
 # (which is the lowest architecture level that Clang supports)
 if test "$softmmu" = yes && probe_target_compiler s390x-softmmu; then
-  write_c_skeleton
-  do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
-  has_z900=$?
-  if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
-    if [ $has_z900 != 0 ]; then
-      echo "WARNING: Your compiler does not support the z900!"
-      echo "         The s390-ccw bios will only work with guest CPUs >= z10."
+  got_cross_cc=no
+  if test -n "$target_cc"; then
+    write_c_skeleton
+    do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
+    has_z900=$?
+    if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
+      if [ $has_z900 != 0 ]; then
+        echo "WARNING: Your compiler does not support the z900!"
+        echo "         The s390-ccw bios will only work with guest CPUs >= z10."
+      fi
+      got_cross_cc=yes
     fi
+  fi
+  if test "$got_cross_cc" = yes || test -n "$container_image"; then
     roms="$roms pc-bios/s390-ccw"
     config_mak=pc-bios/s390-ccw/config-host.mak
     echo "# Automatically generated by configure - do not modify" > $config_mak
     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
-    write_target_makefile >> $config_mak
+    write_target_makefile pc-bios/s390-ccw/all >> $config_mak
     # SLOF is required for building the s390-ccw firmware on s390x,
     # since it is using the libnet code from SLOF for network booting.
     git_submodules="${git_submodules} roms/SLOF"
@@ -2554,7 +2560,7 @@ for target in $target_list; do
       ;;
   esac
 
-  if probe_target_compiler $target || test -n "$container_image"; then
+  if probe_target_compiler $target; then
       test -n "$container_image" && build_static=y
       mkdir -p "tests/tcg/$target"
       config_target_mak=tests/tcg/$target/config-target.mak
-- 
2.34.1