1 files changed, 10 insertions, 2 deletions
diff --git a/winsup/utils/kill.cc b/winsup/utils/kill.cc
index 2ff41545c..f43ef7762 100644
--- a/winsup/utils/kill.cc
+++ b/winsup/utils/kill.cc
@@ -34,8 +34,6 @@ static struct option longopts[] =
 
 static char opts[] = "hl::fs:v";
 
-extern "C" const char *strsigno (int);
-
 static void
 usage (FILE *where = stderr)
 {
@@ -76,6 +74,16 @@ Compiled on %s\n\
 ", prog_name, len, v, __DATE__);
 }
 
+static const char *
+strsigno (int signo)
+{
+  if (signo >= 0 && signo < NSIG)
+    return sys_sigabbrev[signo];
+  static char buf[sizeof ("Unknown signal") + 32];
+  sprintf (buf, "Unknown signal %d", signo);
+  return buf;
+}
+
 static int
 getsig (const char *in_sig)
 {