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

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

4 files changed, 4 insertions, 4 deletions

diff --git a/e2fsprogs/old_e2fsprogs/chattr.c b/e2fsprogs/old_e2fsprogs/chattr.c
index b9339387d..ae39d9224 100644
--- a/e2fsprogs/old_e2fsprogs/chattr.c
+++ b/e2fsprogs/old_e2fsprogs/chattr.c
@@ -170,7 +170,7 @@ static int chattr_dir_proc(const char *dir_name, struct dirent *de,
         return 0;
 }
 
-int chattr_main(int argc, char **argv);
+int chattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chattr_main(int argc, char **argv)
 {
         int i;
diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index 7e7383898..d4914a571 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -1321,7 +1321,7 @@ static void PRS(int argc, char **argv)
             max_running = atoi(tmp);
 }
 
-int fsck_main(int argc, char **argv);
+int fsck_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fsck_main(int argc, char **argv)
 {
         int i, status = 0;
diff --git a/e2fsprogs/old_e2fsprogs/lsattr.c b/e2fsprogs/old_e2fsprogs/lsattr.c
index bbc03aa9d..277ec7c2c 100644
--- a/e2fsprogs/old_e2fsprogs/lsattr.c
+++ b/e2fsprogs/old_e2fsprogs/lsattr.c
@@ -112,7 +112,7 @@ static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
         return 0;
 }
 
-int lsattr_main(int argc, char **argv);
+int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lsattr_main(int argc, char **argv)
 {
         int i;
diff --git a/e2fsprogs/old_e2fsprogs/tune2fs.c b/e2fsprogs/old_e2fsprogs/tune2fs.c
index 920a50c6a..c5c84d68e 100644
--- a/e2fsprogs/old_e2fsprogs/tune2fs.c
+++ b/e2fsprogs/old_e2fsprogs/tune2fs.c
@@ -577,7 +577,7 @@ static void tune2fs_clean_up(void)
         if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device);
 }
 
-int tune2fs_main(int argc, char **argv);
+int tune2fs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tune2fs_main(int argc, char **argv)
 {
         errcode_t retval;