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-rw-r--r--signal/signal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/signal/signal.h b/signal/signal.h
index b3114736a5..a43f8887e3 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -142,7 +142,7 @@ extern void psiginfo (const siginfo_t *__pinfo, const char *__s);
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 
-#ifdef __USE_XOPEN
+#ifdef __USE_XOPEN_EXTENDED
 # ifdef __GNUC__
 extern int sigpause (int __sig) __asm__ ("__xpg_sigpause");
 # else