On Wed, Oct 03, 2007 at 11:55:31AM +0300, Arto Huusko wrote:
> Compilation of fresh (a few minutes old sources) amd64 kernel
> with COMPAT_LINUX fails:
> 
> #   compile  DUUNI/linux_machdep.o
> cc -mcmodel=kernel -mno-red-zone -ffreestanding 
> -fno-zero-initialized-in-bss -O2 -Werror -Wall -Wno-main 
> -Wno-format-zero-length -Wpointer-arith -Wmissing-prototypes 
> -Wstrict-prototypes -Wswitch -Wshadow -Wcast-qual -Wwrite-strings 
> -Wno-sign-compare -Wno-pointer-sign -Wno-attributes -fno-strict-aliasing 
> -Damd64 -Dx86_64 -I. -I../../../../../common/include -I../../../../arch 
> -I../../../.. -nostdinc -DLKM -DMAXUSERS=32 -D_KERNEL -D_KERNEL_OPT 
> -I../../../../lib/libkern/../../../common/lib/libc/quad 
> -I../../../../lib/libkern/../../../common/lib/libc/string 
> -I../../../../lib/libkern/../../../common/lib/libc/arch/x86_64/string -c 
> ../../../../compat/linux/arch/amd64/linux_machdep.c
> --- /usr/src/sys/arch/amd64/compile/DUUNI/lib/compat/libcompat.a ---
> making sure the compat library is up to date...
> --- linux_machdep.o ---
> cc1: warnings being treated as errors
> ../../../../compat/linux/arch/amd64/linux_machdep.c: In function 
> 'linux_sys_rt_sigreturn':
> ../../../../compat/linux/arch/amd64/linux_machdep.c:406: warning: 
> declaration of 'fxsave' shadows a global declaration
> ./x86/cpufunc.h:95: warning: shadowed declaration is here

This should be fixed by rev 1.24 of linux_machdep.c.

Thanks,
Andrew