Date: Mon, 13 Aug 2012 12:54:36 +0430 From: Hooman Fazaeli <hoomanfazaeli@gmail.com> To: freebsd-hackers@freebsd.org Subject: How to know __FreeBSD_version for a symbol Message-ID: <5028B9C4.60000@gmail.com>
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Hi hackers In the process of back porting drivers to older freebsd versions, We sometimes need to add suitable '#if __FreeBSD_version >= xxxxx ... else ... ' directives to the source to use an alternate function or exclude certain statements, defines, etc. What is the best (quick/reliable) way to know in which __FreeBSD_version a symbol (function, struct member, macro, ...) has been first introduced?
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