From 1ad1e79062d40cc9445e5c2098e15b8c45081a75 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 19 Sep 2018 18:03:43 +0200
Subject: [PATCH] Catch inadvertent USE_TLS=0 declaration

for #1766
---
 driver/others/memory.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/driver/others/memory.c b/driver/others/memory.c
index e73d53fa2..0019253c0 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -75,6 +75,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #if defined(USE_TLS) && defined(SMP)
 #define COMPILE_TLS
+
+#if USE_TLS != 1
+#undef COMPILE_TLS
+#endif
+
 #if defined(__GLIBC_PREREQ) 
 #if !__GLIBC_PREREQ(2,20)
 #undef COMPILE_TLS