date: add a comment about _SVID_SOURCE
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -250,7 +250,10 @@ int date_main(int argc UNUSED_PARAM, char **argv)
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ts.tv_sec = statbuf.st_mtime;
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#if ENABLE_FEATURE_DATE_NANO
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ts.tv_nsec = statbuf.st_mtim.tv_nsec;
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/* some toolchains use .st_mtimensec instead of st_mtim.tv_nsec */
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/* Some toolchains use .st_mtimensec instead of st_mtim.tv_nsec.
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* If you need #define SVID_SOURCE 1 to enable st_mtim.tv_nsec,
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* drop a mail to project mailing list please
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*/
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#endif
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} else {
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#if ENABLE_FEATURE_DATE_NANO
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