-# test bios
-AC_CHECK_FILE([/usr/lib/qemu-bios], [BIOS=/usr/lib/qemu-bios])
-AC_CHECK_FILE([/usr/share/qemu-ovmf/bios], [BIOS=/usr/share/qemu-ovmf/bios])
-AC_SUBST([BIOS])
+# QEMU and OVMF UEFI firmware
+AS_IF([test x"$cross_compiling" = "xyes"], [], [
+ AC_PATH_PROG([QEMU], [qemu-kvm])
+ AC_CHECK_FILE([/usr/share/qemu/bios-ovmf.bin], [QEMU_BIOS=/usr/share/qemu/bios-ovmf.bin])
+ AC_CHECK_FILE([/usr/share/qemu-ovmf/bios], [QEMU_BIOS=/usr/share/qemu-ovmf/bios/bios.bin])
+ AC_SUBST([QEMU_BIOS])
+])