Include <signal.h>.

diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c
index a6d05f072ba59609b7827b8dca18e966bcce3609..fe75a8331f7faf9d20fadc41b33401ba1e4bdc06 100644 (file)
--- a/gdb/linux-thread-db.c
+++ b/gdb/linux-thread-db.c
@@ -39,6 +39,8 @@
 #include "gdbcore.h"
 #include "linux-nat.h"
 
+#include <signal.h>
+
 #ifdef HAVE_GNU_LIBC_VERSION_H
 #include <gnu/libc-version.h>
 #endif