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

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EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
This commit is contained in:
Denis Vlasenko
2007-10-11 10:05:36 +00:00
parent 8d82cf72c9
commit 9b49a5ed85
260 changed files with 325 additions and 307 deletions
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19
include/libbb.h
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@ -673,7 +673,7 @@ extern int die_sleep;
extern int xfunc_error_retval;
extern jmp_buf die_jmp;
extern void xfunc_die(void) ATTRIBUTE_NORETURN;
extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
extern void bb_show_usage(void) ATTRIBUTE_NORETURN;
extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
@ -687,18 +687,27 @@ extern void bb_perror_nomsg(void);
extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
/* We need to export XXX_main from libbusybox
* only if we build "individual" binaries
*/
#if ENABLE_FEATURE_INDIVIDUAL
#define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
#else
#define MAIN_EXTERNALLY_VISIBLE
#endif
/* applets which are useful from another applets */
int bb_cat(char** argv);
int bb_echo(char** argv);
int test_main(int argc, char** argv);
int kill_main(int argc, char **argv);
int test_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int kill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
#if ENABLE_ROUTE
void bb_displayroutes(int noresolve, int netstatfmt);
#endif
int chown_main(int argc, char **argv);
int chown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
#if ENABLE_GUNZIP
int gunzip_main(int argc, char **argv);
int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
#endif
int bbunpack(char **argv,
char* (*make_new_name)(char *filename),