https://bugzilla.novell.com/show_bug.cgi?id=730203
https://bugzilla.novell.com/show_bug.cgi?id=730203#c1
--- Comment #1 from Marcus Meissner 2011-11-15 18:59:33 UTC ---
it basically matches on implicit declaration warnings on a specific set of
functions that are critical to buffer overrruns.
readlink would be it here and your logfile has:
textfile.c:1836:3: warning: implicit declaration of function 'readlink'
[-Wimplicit-function-declaration]
readlink is only defined reading man 2 sectiuon:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
readlink():
_BSD_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE &&
_XOPEN_SOURCE_EXTENDED || _POSIX_C_SOURCE >= 200112L
so you need to define one of the features to get the right readlink()
prototype,
or remove "-ansi" from the optimization flags.
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