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-rw-r--r--gcc/protoize.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/protoize.c b/gcc/protoize.c
index d6d9d4a1fda..6152a3edc22 100644
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -85,6 +85,7 @@ extern int errno;
#endif
#ifndef HAVE_STRERROR
+extern int sys_nerr;
#if defined(bsd4_4)
extern const char *const sys_errlist[];
#else