From 0764d323d8908c1682f3ab654c48783438a88a54 Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 29 Apr 2021 15:12:44 +0200
Subject: Fix -Wundef warnings for patterns `#if HAVE`

* See [Feature #17752]
* Using this to detect them:
  git grep -P 'if\s+HAVE' | grep -Pv 'HAVE_LONG_LONG|/ChangeLog|HAVE_TYPEOF'
---
 signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'signal.c')

diff --git a/signal.c b/signal.c
index 2ebd1196fa..46ac6c26cc 100644
--- a/signal.c
+++ b/signal.c
@@ -29,7 +29,7 @@
 # include <ucontext.h>
 #endif
 
-#if HAVE_PTHREAD_H
+#ifdef HAVE_PTHREAD_H
 # include <pthread.h>
 #endif
 
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