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

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

1 files changed, 3 insertions, 3 deletions

diff --git a/networking/ping.c b/networking/ping.c
index 5d61cd768..8b70d9a33 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -173,7 +173,7 @@ static void ping6(len_and_sockaddr *lsa)
 }
 #endif
 
-int ping_main(int argc, char **argv);
+int ping_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping_main(int argc, char **argv)
 {
         len_and_sockaddr *lsa;
@@ -676,7 +676,7 @@ static void ping(len_and_sockaddr *lsa)
                 ping4(lsa);
 }
 
-int ping_main(int argc, char **argv);
+int ping_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping_main(int argc, char **argv)
 {
         len_and_sockaddr *lsa;
@@ -724,7 +724,7 @@ int ping_main(int argc, char **argv)
 
 
 #if ENABLE_PING6
-int ping6_main(int argc, char **argv);
+int ping6_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping6_main(int argc, char **argv)
 {
         argv[0] = (char*)"-6";