Fix VPATH build against 9.4 (i.e. UDR).

diff --git a/Makefile.global.in b/Makefile.global.in
index a4369bda257eafbdd9a117228d82b35d2451a164..27c5002f53c19a31e5b94f5f5bfe80a48e58e8ae 100644 (file)
--- a/Makefile.global.in
+++ b/Makefile.global.in
@@ -9,8 +9,8 @@ bdr_abs_srcdir := @srcdir@
 PG_CONFIG :=@PG_CONFIG@
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 
-VPATH = $(bdr_abs_srcdir)/$(bdr_subdir)
-USE_VPATH=$(VPATH)
+VPATH := $(bdr_abs_srcdir)/$(bdr_subdir)
+USE_VPATH :=$(VPATH)
 GIT_WORK_TREE=${bdr_abs_srcdir}
 GIT_DIR=${bdr_abs_srcdir}/.git
 export GIT_DIR