From 1acbd4da02eb82a035c00a2f484364453469ff06 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Thu, 27 Jun 2019 15:16:39 -0700
Subject: Detect TLS support in compiler

---
 probe/HAVE__THREAD_LOCAL | 4 ++++
 probe/gen.lua            | 1 +
 2 files changed, 5 insertions(+)
 create mode 100644 probe/HAVE__THREAD_LOCAL

(limited to 'probe')

diff --git a/probe/HAVE__THREAD_LOCAL b/probe/HAVE__THREAD_LOCAL
new file mode 100644
index 00000000..fe1a4e57
--- /dev/null
+++ b/probe/HAVE__THREAD_LOCAL
@@ -0,0 +1,4 @@
+_Thread_local int x;
+int main(void) {
+	return x;
+}
diff --git a/probe/gen.lua b/probe/gen.lua
index 321f283c..56d470ec 100644
--- a/probe/gen.lua
+++ b/probe/gen.lua
@@ -4,6 +4,7 @@ end
 
 probe('HAVE_IMMINTRIN_H')
 probe('HAVE__MM_MOVEMASK_EPI8')
+probe('HAVE__THREAD_LOCAL')
 
 local function probesize(var)
 	build('probesize', '$outdir/'..var, {'$dir/'..var, '|', 'scripts/probe-size.sh'}, {var=var})
-- 
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