Use the right pgsql for isolation tests.

diff --git a/src/test/isolation/Makefile b/src/test/isolation/Makefile
index 6513b5f24ed562cec54fc555e283f5362b6dbffe..7cbcd4b4038a60c3d929e9e203e86709808e53de 100644 (file)
--- a/src/test/isolation/Makefile
+++ b/src/test/isolation/Makefile
@@ -6,6 +6,9 @@ subdir = src/test/isolation
 top_builddir = ../../..
 include $(top_builddir)/src/Makefile.global
 
+# where to find psql for testing an existing installation
+PSQLDIR = $(bindir)
+
 ifeq ($(PORTNAME), win32)
 LDLIBS += -lws2_32
 endif
@@ -70,7 +73,7 @@ maintainer-clean: distclean
        rm -f specparse.c specscanner.c
 
 installcheck: all
-       ./pg_isolation_regress --inputdir=$(srcdir) --schedule=$(srcdir)/isolation_schedule
+       ./pg_isolation_regress --psqldir=$(PSQLDIR) --inputdir=$(srcdir) --schedule=$(srcdir)/isolation_schedule
 
 # We can't support "make check" because isolationtester requires libpq, and
 # in fact (on typical platforms using shared libraries) requires libpq to