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-rw-r--r--pico/osdep/filesys.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/pico/osdep/filesys.c b/pico/osdep/filesys.c
index 75cb91ff..05be5fae 100644
--- a/pico/osdep/filesys.c
+++ b/pico/osdep/filesys.c
@@ -783,7 +783,9 @@ copy(char *a, char *b)
char *cb;
struct stat tsb, fsb;
EML eml;
+#ifndef errno
extern int errno;
+#endif
if(our_stat(a, &fsb) < 0){ /* get source file info */
eml.s = errstr(errno);