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

EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

10 files changed, 13 insertions, 13 deletions

diff --git a/archival/ar.c b/archival/ar.c
index cbe4d8e0e..0a95e5c85 100644
--- a/archival/ar.c
+++ b/archival/ar.c
@@ -37,7 +37,7 @@ static void header_verbose_list_ar(const file_header_t *file_header)
 #define AR_OPT_CREATE           0x20
 #define AR_OPT_INSERT           0x40
 
-int ar_main(int argc, char **argv);
+int ar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ar_main(int argc, char **argv)
 {
         static const char msg_unsupported_err[] ALIGN1 =
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index e106bf0ed..61b5e39da 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -158,7 +158,7 @@ USE_DESKTOP(long long) int unpack_bunzip2(void)
         return unpack_bz2_stream(STDIN_FILENO, STDOUT_FILENO);
 }
 
-int bunzip2_main(int argc, char **argv);
+int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int bunzip2_main(int argc, char **argv)
 {
         getopt32(argv, "cf");
@@ -256,7 +256,7 @@ USE_DESKTOP(long long) int unpack_gunzip(void)
         return status;
 }
 
-int gunzip_main(int argc, char **argv);
+int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int gunzip_main(int argc, char **argv)
 {
         getopt32(argv, "cfvdt");
@@ -294,7 +294,7 @@ USE_DESKTOP(long long) int unpack_unlzma(void)
         return unpack_lzma_stream(STDIN_FILENO, STDOUT_FILENO);
 }
 
-int unlzma_main(int argc, char **argv);
+int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unlzma_main(int argc, char **argv)
 {
         getopt32(argv, "cf");
@@ -336,7 +336,7 @@ USE_DESKTOP(long long) int unpack_uncompress(void)
         return status;
 }
 
-int uncompress_main(int argc, char **argv);
+int uncompress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uncompress_main(int argc, char **argv)
 {
         getopt32(argv, "cf");
diff --git a/archival/cpio.c b/archival/cpio.c
index 9188e09f1..59ae60c77 100644
--- a/archival/cpio.c
+++ b/archival/cpio.c
@@ -22,7 +22,7 @@
 #define CPIO_OPT_CREATE_LEADING_DIR     0x20
 #define CPIO_OPT_PRESERVE_MTIME         0x40
 
-int cpio_main(int argc, char **argv);
+int cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cpio_main(int argc, char **argv)
 {
         archive_handle_t *archive_handle;
diff --git a/archival/dpkg.c b/archival/dpkg.c
index 337576ccd..27512eb5d 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -1557,7 +1557,7 @@ static void configure_package(deb_file_t *deb_file)
         set_status(status_num, "installed", 3);
 }
 
-int dpkg_main(int argc, char **argv);
+int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dpkg_main(int argc, char **argv)
 {
         deb_file_t **deb_file = NULL;
diff --git a/archival/dpkg_deb.c b/archival/dpkg_deb.c
index 9781b54e5..e1d2cd0ed 100644
--- a/archival/dpkg_deb.c
+++ b/archival/dpkg_deb.c
@@ -13,7 +13,7 @@
 #define DPKG_DEB_OPT_EXTRACT    8
 #define DPKG_DEB_OPT_EXTRACT_VERBOSE    16
 
-int dpkg_deb_main(int argc, char **argv);
+int dpkg_deb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dpkg_deb_main(int argc, char **argv)
 {
         archive_handle_t *ar_archive;
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;
diff --git a/archival/rpm.c b/archival/rpm.c
index 0b7741a15..f078aea10 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -80,7 +80,7 @@ static void fileaction_dobackup(char *filename, int fileref);
 static void fileaction_setowngrp(char *filename, int fileref);
 static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
 
-int rpm_main(int argc, char **argv);
+int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rpm_main(int argc, char **argv)
 {
         int opt = 0, func = 0, rpm_fd, offset;
diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
index fe71e9867..329f8f71d 100644
--- a/archival/rpm2cpio.c
+++ b/archival/rpm2cpio.c
@@ -49,7 +49,7 @@ static void skip_header(int rpm_fd)
 }
 
 /* No getopt required */
-int rpm2cpio_main(int argc, char **argv);
+int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rpm2cpio_main(int argc, char **argv)
 {
         struct rpm_lead lead;
diff --git a/archival/tar.c b/archival/tar.c
index 18b626701..3fe188656 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -769,7 +769,7 @@ static const char tar_longopts[] ALIGN1 =
         ;
 #endif
 
-int tar_main(int argc, char **argv);
+int tar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tar_main(int argc, char **argv)
 {
         char (*get_header_ptr)(archive_handle_t *) = get_header_tar;
diff --git a/archival/unzip.c b/archival/unzip.c
index 21d4c2535..bd113af20 100644
--- a/archival/unzip.c
+++ b/archival/unzip.c
@@ -93,7 +93,7 @@ static int unzip_extract(zip_header_t *zip_header, int src_fd, int dst_fd)
         return 0;
 }
 
-int unzip_main(int argc, char **argv);
+int unzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unzip_main(int argc, char **argv)
 {
         zip_header_t zip_header;