Date: Fri, 17 Jan 1997 23:05:06 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: rlb@mindspring.com (Ron Bolin) Cc: freebsd-current@freebsd.org Subject: Re: gcc compiler question Message-ID: <Mutt.19970117230506.j@uriah.heep.sax.de> In-Reply-To: <32DFDDF6.41C67EA6@mindspring.com>; from Ron Bolin on Jan 17, 1997 15:15:50 -0500 References: <32DFDDF6.41C67EA6@mindspring.com>
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As Ron Bolin wrote: > In trying to port cprolog to FBSD. I find the the Solaris 2.X > c compiler can handle the following macro sub, but gcc can't > on any platform. I can't seem to realize your problem: j@uriah 132% /usr/libexec/cpp #define savepS LSave[NAreas] #define NAreas 6 /* number of work areas/stacks */ #define LocalId 5 typedef unsigned **PTR; static PTR *savead, Origin[100]; #define lcl0 (Origin[LocalId]) unsigned LSave[100]; main() { savepS = savead-lcl0; } ^D # 1 "" typedef unsigned **PTR; static PTR *savead, Origin[100]; unsigned LSave[100]; main() { LSave[6 ] = savead- (Origin[5 ]) ; } -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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