add -fvisibility=hidden to CC flags, mark XXX_main functions

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/cat.c b/coreutils/cat.c
index cd5277819..a1db4cd45 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -43,7 +43,7 @@ int bb_cat(char **argv)
         return retval;
 }
 
-int cat_main(int argc, char **argv);
+int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cat_main(int argc, char **argv)
 {
         getopt32(argv, "u");