From b874d024be763a50e8554fc7ee54d518bf8a78c6 Mon Sep 17 00:00:00 2001
From: Ivan Maidanski <ivmai@mail.ru>
Date: Tue, 19 Sep 2017 10:38:39 +0300
Subject: [PATCH] Fix 'undefined reference to GC_wait_for_reclaim' linker error
 (fix commit f4d690e)

Issue #179 (bdwgc).

* include/private/gc_pmark.h [HAVE_CONFIG_H]: Do not include config.h
if already included from gc_priv.h (to avoid PARALLEL_MARK macro
redefinition in config.h after it was undefined in gcconfig.h).
---
 include/private/gc_pmark.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/private/gc_pmark.h b/include/private/gc_pmark.h
index 1511763f..ec0ebc9f 100644
--- a/include/private/gc_pmark.h
+++ b/include/private/gc_pmark.h
@@ -22,7 +22,7 @@
 #ifndef GC_PMARK_H
 #define GC_PMARK_H
 
-#ifdef HAVE_CONFIG_H
+#if defined(HAVE_CONFIG_H) && !defined(GC_PRIVATE_H)
 # include "config.h"
 #endif
 
-- 
2.40.0