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-rw-r--r--config.h.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/config.h.in b/config.h.in
index b3dd601f3b..cf4835cbec 100644
--- a/config.h.in
+++ b/config.h.in
@@ -94,6 +94,9 @@
 /* Define if the compiler supports __builtin_memset.  */
 #undef	HAVE_BUILTIN_MEMSET
 
+/* Define if the __thread keyword is supported.  */
+#undef HAVE___THREAD
+
 /* Define if the regparm attribute shall be used for local functions
    (gcc on ix86 only).  */
 #undef	USE_REGPARMS