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-rw-r--r--common.mk4
1 files changed, 2 insertions, 2 deletions
diff --git a/common.mk b/common.mk
index 01eaba2fc8..792d62cbf5 100644
--- a/common.mk
+++ b/common.mk
@@ -977,10 +977,10 @@ $(REVISION_H): $(srcdir)/version.h $(srcdir)/tool/file2lastrev.rb $(REVISION_FOR
$(srcdir)/ext/ripper/ripper.c: $(srcdir)/parse.y id.h
$(ECHO) generating $@
- $(Q) $(CHDIR) $(@D) && \
+ $(Q) VPATH=$${PWD-`pwd`} && $(CHDIR) $(@D) && \
sed /AUTOGENERATED/q depend | \
$(exec) $(MAKE) -f - $(mflags) \
- Q=$(Q) ECHO=$(ECHO) RM="$(RM)" top_srcdir=../.. srcdir=. VPATH=../.. \
+ Q=$(Q) ECHO=$(ECHO) RM="$(RM)" top_srcdir=../.. srcdir=. VPATH="$${VPATH}" \
RUBY="$(BASERUBY)" PATH_SEPARATOR="$(PATH_SEPARATOR)"
$(srcdir)/ext/json/parser/parser.c: $(srcdir)/ext/json/parser/parser.rl