Let's see if using -c instead of -- style fixes the PGOPTIONS issue.

diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
index d7c4847c925e8cbc5a7807ad1a50d106b5a14d0f..c5a564c89421bac383cbc5d0dc4fdafa1327978c 100644 (file)
--- a/src/test/regress/pg_regress.c
+++ b/src/test/regress/pg_regress.c
@@ -723,7 +723,7 @@ initialize_environment(void)
         * the user's ability to set other variables through that.
         */
        {
-               const char *my_pgoptions = "--intervalstyle=postgres_verbose";
+               const char *my_pgoptions = "-c intervalstyle=postgres_verbose";
                const char *old_pgoptions = getenv("PGOPTIONS");
                char   *new_pgoptions;