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-rw-r--r--libguile/continuations.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libguile/continuations.h b/libguile/continuations.h
index 96d02fb77..c876fad03 100644
--- a/libguile/continuations.h
+++ b/libguile/continuations.h
@@ -49,6 +49,7 @@
#include "libguile/__scm.h"
#ifdef __ia64__
+#include <signal.h>
#include <sys/ucontext.h>
extern unsigned long * __libc_ia64_register_backing_store_base;
#endif /* __ia64__ */