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/runit/sv.c b/runit/sv.c
index 757391a..e31adff 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -411,7 +411,7 @@ static int control(const char *a)
 	return 1;
 }
 
-int sv_main(int argc, char **argv);
+int sv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sv_main(int argc, char **argv)
 {
 	unsigned opt;