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/findutils/xargs.c b/findutils/xargs.c
index f7c7832d5..ee16ea675 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -373,7 +373,7 @@ enum {
         USE_FEATURE_XARGS_SUPPORT_TERMOPT(     "x") \
         USE_FEATURE_XARGS_SUPPORT_ZERO_TERM(   "0")
 
-int xargs_main(int argc, char **argv);
+int xargs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int xargs_main(int argc, char **argv)
 {
         char **args;