[OpenAFS-devel] Another build problem on sparc-linux

[Pete Zaitcev]

> Date: Sun, 14 Sep 2003 20:51:44 -0400 (EDT)
> From: Dean Anderson <dean@av8.com>

> [root@dakota MODLOAD-2.4.20-2.3sparccustom-dean1-SP]# kgcc -O2
> -fomit-frame-pointer -fno-strength-reduce -fno-strict-aliasing -fno-common
> -pipe -mcpu=ultrasparc -m64 -mno-fpu -mcmodel=medlow -ffixed-g4
> -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare -D__KERNEL__ -DCPU=sparc64
> -DKERNEL -D_KERNEL -DMODULE -D__BOOT_KERNEL_UP=1 -D__BOOT_KERNEL_SMP=0 -I.
> -I../ -I/usr/src/redhat/SOURCES/openafs-1.2.9/vlibafs/config -c
> ../afs/afs_pioctl.c -DAFS_NONFSTRANS
> In file included from ../linux/wait.h:16,
>                  from ../afs/../afs/sysincludes.h:51,
>                  from ../afs/afs_pioctl.c:15:
> ../linux/spinlock.h:65: warning: `atomic_dec_and_lock' redefined
> ../linux/modules/sparc64_ksyms.ver:46: warning: this is the location of
> the previous definition

This is why kernel build uses -include modversion.h instead of
just monkeying with paths. It is crucial to have every reference
to an exported symbol to be covered by its #define.

-- Pete