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/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index 7f8b08497..e94f2ceb1 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -77,7 +77,7 @@ static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
         return hash_value;
 }
 
-int md5_sha1_sum_main(int argc, char **argv);
+int md5_sha1_sum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int md5_sha1_sum_main(int argc, char **argv)
 {
         int return_value = EXIT_SUCCESS;