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-rw-r--r--Makefile.rules2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile.rules b/Makefile.rules
index cf7abab0c4..8b9c998338 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -85,7 +85,7 @@ cmd_cxx_to_host = $(HOSTCXX) -std=c++0x $(COMMON_WARN) $(HOST_CXXFLAGS)\
-I ./$($(notdir $@)_ROOT) -o $@ $(filter %.cc,$^) $($(notdir $@)_LIBS)
cmd_host_test = ./util/run_host_test $* $(silent)
# generate new version.h, compare if it changed and replace if so
-cmd_version = ./util/getversion.sh > $@.tmp && cmp $@.tmp $@ >/dev/null || mv $@.tmp $@; rm -f $@.tmp
+cmd_version = ./util/getversion.sh > $@.tmp && cmp -s $@.tmp $@ || mv $@.tmp $@; rm -f $@.tmp
cmd_vif = $(out)/util/genvif -b $(BOARD) -o $(out)
cmd_mv_from_tmp = mv $(out)/$*.bin.tmp $(out)/$*.bin
cmd_extractrw-y = dd if=$(out)/$(PROJECT).bin.tmp of=$(out)/$(PROJECT).RW.bin \