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-rw-r--r--Makefile.in2
-rw-r--r--win32/Makefile.sub2
2 files changed, 2 insertions, 2 deletions
diff --git a/Makefile.in b/Makefile.in
index b91f4d2ee4..cb1eb75f58 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -411,7 +411,7 @@ probes.@OBJEXT@: $(srcdir)/probes.d $(DTRACE_REBUILD:yes=probes.stamp)
rb_mjit_header.h: PHONY probes.h
$(ECHO) building $@
$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) -DMJIT_HEADER $(srcdir)/vm.c $(COUTFLAG) $@.new -E -P -dD
- $(Q) (cmp $@.new $@ && $(ECHO0) $@ unchanged && $(RM) $@.new) || $(MV) $@.new $@
+ $(Q) $(IFCHANGE) $@ $@.new
$(MJIT_MIN_HEADER): rb_mjit_header.h $(srcdir)/tool/transform_mjit_header.rb
$(ECHO) building $@
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 15f13a90ca..a32639728b 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -1189,7 +1189,7 @@ probes.h: {$(VPATH)}probes.dmyh
rb_mjit_header.h: PHONY probes.h
$(ECHO) building $@
$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) -DMJIT_HEADER $(srcdir)/vm.c -P
- $(Q) (cmp vm.i $@ && $(ECHO0) $@ unchanged && $(RM) vm.i) || $(MV) vm.i $@
+ $(Q) $(IFCHANGE) $@ vm.i
$(MJIT_MIN_HEADER): rb_mjit_header.h $(srcdir)/tool/transform_mjit_header.rb
$(ECHO) building $@