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-rw-r--r--lib/signal.in.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/signal.in.h b/lib/signal.in.h
index 483413dc7f5..7d4927b828e 100644
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -137,7 +137,7 @@ _GL_FUNCDECL_RPL (pthread_sigmask, int,
_GL_CXXALIAS_RPL (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# else
-# if !@HAVE_PTHREAD_SIGMASK@
+# if !(@HAVE_PTHREAD_SIGMASK@ || defined pthread_sigmask)
_GL_FUNCDECL_SYS (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# endif