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-rw-r--r--ext/date/prereq.mk9
1 files changed, 8 insertions, 1 deletions
diff --git a/ext/date/prereq.mk b/ext/date/prereq.mk
index eb71e55e71..b5d271a32c 100644
--- a/ext/date/prereq.mk
+++ b/ext/date/prereq.mk
@@ -1,7 +1,7 @@
.SUFFIXES: .list
.list.h:
- gperf --ignore-case -C -c -P -p -j1 -i 1 -g -o -t -N $(*F) $< \
+ gperf --ignore-case -L ANSI-C -C -c -P -p -j1 -i 1 -g -o -t -N $(*F) $< \
| sed -f $(top_srcdir)/tool/gperf.sed \
> $(@F)
@@ -10,3 +10,10 @@ zonetab.h: zonetab.list
.PHONY: update-zonetab
update-zonetab:
$(RUBY) -C $(srcdir) update-abbr
+
+.PHONY: update-nothing
+update-nothing:
+
+update = nothing
+
+zonetab.list: update-$(update)