add -fvisibility=hidden to CC flags, mark XXX_main functions
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
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@ -1207,7 +1207,7 @@ static void diffdir(char *p1, char *p2)
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#endif
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int diff_main(int argc, char **argv);
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int diff_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int diff_main(int argc, char **argv)
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{
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bool gotstdin = 0;
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