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-rw-r--r--ext/ripper/depend2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/ripper/depend b/ext/ripper/depend
index cdefe969e3..141319fc06 100644
--- a/ext/ripper/depend
+++ b/ext/ripper/depend
@@ -18,7 +18,7 @@ ripper.o: ripper.c
all: check
static: check
-ripper.y: $(srcdir)/tools/preproc.rb $(top_srcdir)/parse.y $(top_srcdir)/id.h
+ripper.y: $(srcdir)/tools/preproc.rb $(top_srcdir)/parse.y {$(VPATH)}id.h
$(ECHO) extracting $@ from $(top_srcdir)/parse.y
$(Q) $(RUBY) $(top_srcdir)/tool/id2token.rb --path-separator=.$(PATH_SEPARATOR)./ \
--vpath=$(VPATH)$(PATH_SEPARATOR)$(top_srcdir) id.h $(top_srcdir)/parse.y > ripper.tmp.y