The --quiet argument is not available on all operating systems.  Use -s
instead to match the rest of the Makefile uses.  This fixes a non-fatal
error seen on FreeBSD.

Signed-off-by: Sean Bruno <sbr...@freebsd.org>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ed4032a..a7a356a 100644
--- a/Makefile
+++ b/Makefile
@@ -185,7 +185,7 @@ qemu-version.h: FORCE
                                printf '""\n'; \
                        fi; \
                fi) > $@.tmp)
-       $(call quiet-command, cmp --quiet $@ $@.tmp || mv $@.tmp $@)
+       $(call quiet-command, cmp -s $@ $@.tmp || mv $@.tmp $@)
 
 config-host.h: config-host.h-timestamp
 config-host.h-timestamp: config-host.mak
-- 
2.8.4


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