Date: Sun, 13 May 2007 21:42:18 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: "Sean C. Farley" <sean-freebsd@farley.org> Cc: Alexander Leidinger <Alexander@leidinger.net>, arch@freebsd.org Subject: Re: HEADS DOWN Message-ID: <20070513212509.Y70611@besplex.bde.org> In-Reply-To: <20070512170535.A7595@thor.farley.org> References: <20070504213312.GA33163@nagual.pp.ru> <20070504174657.D1343@thor.farley.org> <20070505213202.GA49925@nagual.pp.ru> <20070505163707.J6670@thor.farley.org> <20070505221125.GA50439@nagual.pp.ru> <20070506091835.A43775@besplex.bde.org> <20070508162458.G6015@baba.farley.org> <20070508222521.GA59534@nagual.pp.ru> <20070509200000.B56490@besplex.bde.org> <20070510184447.H4969@baba.farley.org> <20070511083502.GJ54713@elvis.mu.org> <20070511181141.P9004@baba.farley.org> <20070512170748.msq4hriby804skcg@webmail.leidinger.net> <20070512170535.A7595@thor.farley.org>
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On Sat, 12 May 2007, Sean C. Farley wrote: > On Sat, 12 May 2007, Alexander Leidinger wrote: > >> Quoting "Sean C. Farley" <sean-freebsd@farley.org> (from Fri, 11 May 2007 >> 18:21:09 -0500 (CDT)): >> >>> It seems that __attribute__((pure)) is not supported by the Intel >>> compiler. Would my strlen() be of any use when libc is compiled with >>> it? >> >> That's one reason we have cdefs.h, so you can use appropriate macros >> instead of using __attribute__((foo)) directly. > > Actually, what I meant was that strlen() has the pure attribute via > __pure, and cdefs.h shows that the Intel compiler is not able to make > use of it. cdefs.h really shouldn't have __pure. __pure was __pure2 in FreeBSD-1/gcc-1. __pure2 exists because the the syntax for it is incompatible with the syntax for the FreeBSD-1 __pure, not because it is purer than gcc's pure = the FreeBSD_current __pure. The syntax is incompatible because gcc-1 didn't have __attribute__(()). gcc-1 and most of gcc-2 also didn't have `pure' to cause confusion with FreeBSD's __pure*. Bruce
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