From 83fce670ea395c4e65c34886518273bf478615c4 Mon Sep 17 00:00:00 2001
From: Andres Freund <andres@anarazel.de>
Date: Thu, 22 Feb 2018 12:58:43 -0800
Subject: [PATCH] Backport: Mark assorted GUC variables as PGDLLIMPORT.

This backpatches 935dee9ad5a8d12f4d3b772a6e6c99d245e5ad44 to the
the branches requested by extension authors.

Original-Author: Metin Doslu
Original-Committer: Robert Haas
Author: Brian Cloutier
---
 src/include/optimizer/cost.h  | 28 ++++++++++++++--------------
 src/include/optimizer/paths.h |  6 +++---
 src/include/utils/guc.h       |  2 +-
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h
index 2a4df2fc166..214e868db10 100644
--- a/src/include/optimizer/cost.h
+++ b/src/include/optimizer/cost.h
@@ -53,20 +53,20 @@ extern PGDLLIMPORT double cpu_operator_cost;
 extern PGDLLIMPORT double parallel_tuple_cost;
 extern PGDLLIMPORT double parallel_setup_cost;
 extern PGDLLIMPORT int effective_cache_size;
-extern Cost disable_cost;
-extern int	max_parallel_workers_per_gather;
-extern bool enable_seqscan;
-extern bool enable_indexscan;
-extern bool enable_indexonlyscan;
-extern bool enable_bitmapscan;
-extern bool enable_tidscan;
-extern bool enable_sort;
-extern bool enable_hashagg;
-extern bool enable_nestloop;
-extern bool enable_material;
-extern bool enable_mergejoin;
-extern bool enable_hashjoin;
-extern int	constraint_exclusion;
+extern PGDLLIMPORT Cost disable_cost;
+extern PGDLLIMPORT int	max_parallel_workers_per_gather;
+extern PGDLLIMPORT bool enable_seqscan;
+extern PGDLLIMPORT bool enable_indexscan;
+extern PGDLLIMPORT bool enable_indexonlyscan;
+extern PGDLLIMPORT bool enable_bitmapscan;
+extern PGDLLIMPORT bool enable_tidscan;
+extern PGDLLIMPORT bool enable_sort;
+extern PGDLLIMPORT bool enable_hashagg;
+extern PGDLLIMPORT bool enable_nestloop;
+extern PGDLLIMPORT bool enable_material;
+extern PGDLLIMPORT bool enable_mergejoin;
+extern PGDLLIMPORT bool enable_hashjoin;
+extern PGDLLIMPORT int	constraint_exclusion;
 
 extern double clamp_row_est(double nrows);
 extern double index_pages_fetched(double tuples_fetched, BlockNumber pages,
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
index 44abe8336a5..6048a3e5d72 100644
--- a/src/include/optimizer/paths.h
+++ b/src/include/optimizer/paths.h
@@ -20,9 +20,9 @@
 /*
  * allpaths.c
  */
-extern bool enable_geqo;
-extern int	geqo_threshold;
-extern int	min_parallel_relation_size;
+extern PGDLLIMPORT bool enable_geqo;
+extern PGDLLIMPORT int	geqo_threshold;
+extern PGDLLIMPORT int	min_parallel_relation_size;
 
 /* Hook for plugins to get control in set_rel_pathlist() */
 typedef void (*set_rel_pathlist_hook_type) (PlannerInfo *root,
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h
index 725535a324b..68c91103044 100644
--- a/src/include/utils/guc.h
+++ b/src/include/utils/guc.h
@@ -263,7 +263,7 @@ extern char *HbaFileName;
 extern char *IdentFileName;
 extern char *external_pid_file;
 
-extern char *application_name;
+extern PGDLLIMPORT char *application_name;
 
 extern int	tcp_keepalives_idle;
 extern int	tcp_keepalives_interval;