From owner-freebsd-bugs Sat Jun 24 7:30: 9 2000 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id 0B92E37B622 for ; Sat, 24 Jun 2000 07:30:03 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id HAA39664; Sat, 24 Jun 2000 07:30:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Date: Sat, 24 Jun 2000 07:30:02 -0700 (PDT) Message-Id: <200006241430.HAA39664@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: Ruslan Ermilov Subject: Re: kern/19485: Syscall module example fails to compile Reply-To: Ruslan Ermilov Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org The following reply was made to PR kern/19485; it has been noted by GNATS. From: Ruslan Ermilov To: mhenry@speednet.com.au Cc: bug-followup@FreeBSD.org Subject: Re: kern/19485: Syscall module example fails to compile Date: Sat, 24 Jun 2000 17:26:31 +0300 On Sat, Jun 24, 2000 at 05:13:39AM -0700, mhenry@speednet.com.au wrote: > > I'm getting errors when trying to compile the example system > call in /usr/share/examples/kld/syscall/module/syscall.c. > The version of the file is 1.2. > > The errors are as follows: > > *** In file included from syscall.c:35: > *** /usr/include/sys/systm.h:327: syntax error before `int' > *** /usr/include/sys/systm.h:328: syntax error before `int' > *** /usr/include/sys/systm.h:329: syntax error before `(' > > The corresponding lines from the header are: > > *** int major(dev_t x); > *** int minor(dev_t x); > *** dev_t makedev(int x, int y); > > There is a comment above these lines: "Common `dev_t' > stuff are declared here to avoid #include poisoning". > But these lines are getting mangled by the following > macros defined in : > > *** #define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ > *** #define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ > *** #define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ > > which, after pre-processing, results in the following: > > *** int ((int)(((u_int)( dev_t x ) >> 8)&0xff)) ; > *** int ((int)(( dev_t x )&0xffff00ff)) ; > *** dev_t ((dev_t)((( int x ) << 8) | ( int y ))) ; > > Clearly this is nonsense. > > > >How-To-Repeat: > cd /usr/share/examples/kld/syscall/module/ > gcc -c syscall.c > Try `gcc -D_KERNEL -c syscall.c' or better yet just `make' :-) > >Fix: > Remove offending lines from > Add -D_KERNEL to CFLAGS. -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message