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-rw-r--r--ext/io/console/depend13
1 files changed, 11 insertions, 2 deletions
diff --git a/ext/io/console/depend b/ext/io/console/depend
index c961843..1e485fd 100644
--- a/ext/io/console/depend
+++ b/ext/io/console/depend
@@ -1,3 +1,5 @@
+WIN32_VK_HEADER = {$(srcdir)}win32_vk.chksum
+
$(OBJS): $(HDRS) $(ruby_headers) \
$(VK_HEADER) \
$(hdrdir)/ruby/io.h \
@@ -6,5 +8,12 @@ $(OBJS): $(HDRS) $(ruby_headers) \
win32_vk.h: win32_vk.list
-.list.h:
- gperf --ignore-case -E -C -P -p -j1 -i 1 -g -o -t -K ofs -N console_win32_vk -k* --output-file=$@ $<
+{$(srcdir)}.list.h:
+ gperf --ignore-case -E -C -P -p -j1 -i 1 -g -o -t -K ofs -N console_win32_vk -k* --output-file=$(@F) $<
+
+.SUFFIXES: .chksum .list
+
+{$(srcdir)}.list.chksum:
+ @$(RUBY) -I$(top_srcdir)/tool -rchecksum \
+ -e "Checksum.update(ARGV) {|k,f|k.copy(f) rescue k.make(f)}" \
+ -- --make=$(MAKE) -I$(srcdir) $(<F) $(@F:.chksum=.h)