Re: current-amd64 build failure in src/sys/uvm/uvm_fault.c

[Kurt Schreiner <ks%ub.uni-mainz.de@localhost>]

On Thu, Feb 04, 2010 at 10:29:32AM -0800, Hisashi T Fujinaka wrote:
> On Thu, 4 Feb 2010, Aioanei Rares wrote:
>
>> Hisashi T Fujinaka wrote:
>>> #   compile  GENERIC/uvm_fault.o
>>> /usr/src/obj.amd64/tooldir.NetBSD-5.99.24-amd64/bin/x86_64--netbsd-gcc 
>>> -mcmodel=kernel -mno-red-zone -ffreestanding 
>>> [...]
>>> /usr/src/sys/uvm/uvm_fault.c: In function 'uvm_fault_lower_generic':
>>> /usr/src/sys/uvm/uvm_fault.c:1213: warning: unused variable 'amap'
>>>
>>>
>> How recent is your src tree? I encountered this error about a week ago, 
>> but a subsequent update solved the problem.
>
> This morning. I compiled fine yesterday.
This little hack clams gcc down and makes it compile again for me:

>-1027: (cd /u/NetBSD/src && cvs diff -u sys/uvm/uvm_fault.c)
Index: sys/uvm/uvm_fault.c
===================================================================
RCS file: /cvsroot/src/sys/uvm/uvm_fault.c,v
retrieving revision 1.161
diff -u -r1.161 uvm_fault.c
--- sys/uvm/uvm_fault.c 4 Feb 2010 05:48:26 -0000       1.161
+++ sys/uvm/uvm_fault.c 4 Feb 2010 18:51:46 -0000
@@ -1210,7 +1210,7 @@
        struct uvm_faultinfo *ufi, struct uvm_faultctx *flt,
        struct vm_page **pages)
 {
-       struct vm_amap *amap = ufi->entry->aref.ar_amap;
+       struct vm_amap *amap; amap = ufi->entry->aref.ar_amap;
        struct uvm_object *uobj = ufi->entry->object.uvm_obj;
        struct vm_page *uobjpage;

Kurt