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-rw-r--r--kernel/Makefile16
1 files changed, 12 insertions, 4 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index a1096de..9977923 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -137,8 +137,16 @@ $(obj)/config_data.h: $(obj)/config_data.gz FORCE
$(obj)/time.o: $(obj)/timeconst.h
-quiet_cmd_timeconst = TIMEC $@
- cmd_timeconst = $(PERL) $< $(CONFIG_HZ) > $@
+quiet_cmd_hzfile = HZFILE $@
+ cmd_hzfile = echo "hz=$(CONFIG_HZ)" > $@
+
+targets += hz.bc
+$(obj)/hz.bc: $(objtree)/include/config/hz.h FORCE
+ $(call if_changed,hzfile)
+
+quiet_cmd_bc = BC $@
+ cmd_bc = bc -q $(filter-out FORCE,$^) > $@
+
targets += timeconst.h
-$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
- $(call if_changed,timeconst)
+$(obj)/timeconst.h: $(obj)/hz.bc $(src)/timeconst.bc FORCE
+ $(call if_changed,bc)