fix qemu build script
MODIFY
qemu_mode/build_qemu_support.sh
qemu_mode/build_qemu_support.sh
@@ -366,7 +366,7 @@ if [ "$ORIG_CROSS" = "" ]; then
CROSS=$CPU_TARGET-linux-gnu-gcc
fi
-if ! command -v "$CROSS" &> /dev/null
+if ! command -v "$CROSS" > /dev/null
then
echo "[!] Cross compiler $CROSS could not be found, cannot compile libcompcov libqasan and unsigaction"
else

fix qemu build script