kvm: configure: use kvm's configure usage for unknown options

Prevent qemu's configure usage to be printed if an invalid option is
passed to it, allowing kvm's configure to trap those errors and print
the usage instead

Signed-off-by: Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 04644567..a10a4af0 100755
--- a/configure
+++ b/configure
@@ -116,7 +116,7 @@ fi
     ${qemu_cc:+"--cc=$qemu_cc"} \
     ${cross_prefix:+"--cross-prefix=$cross_prefix"} \
     ${cross_prefix:+"--cpu=$arch"} $qemu_opts
-)
+) || usage
 
 
 cat <<EOF > config.mak