From bb8502f08800a44a6b91a94d6478aa7101c4cc77 Mon Sep 17 00:00:00 2001
From: Quanah Gibson-Mount <quanah@symas.com>
Date: Wed, 7 Jun 2017 13:42:51 -0700
Subject: [PATCH] ITS#8612 Fix Solaris builds with liblmdb

This patch fixes liblmdb builds on Solaris and derivatives by defining
_POSIX_PTHREAD_SEMANTICS
---
 libraries/liblmdb/mdb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 50086e2..1bf81ed 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -142,6 +142,10 @@ typedef SSIZE_T	ssize_t;
 /* Most platforms have posix_memalign, older may only have memalign */
 #define HAVE_MEMALIGN	1
 #include <malloc.h>
+/* On Solaris, we need the POSIX sigwait function */
+#if defined (__sun)
+# define _POSIX_PTHREAD_SEMANTICS	1
+#endif
 #endif
 
 #if !(defined(BYTE_ORDER) || defined(__BYTE_ORDER))