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/archival/gzip.c b/archival/gzip.c
index cabcc5ecb..bc7502e70 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -2025,7 +2025,7 @@ USE_DESKTOP(long long) int pack_gzip(void)
         return 0;
 }
 
-int gzip_main(int argc, char **argv);
+int gzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int gzip_main(int argc, char **argv)
 {
         unsigned opt;