[Aoetools-discuss] build error ( gcc 4.8.1, glibc 2.18, kernel 3.10.14)

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Hello,

I was constructing a new build environment (gcc 4.8.1 , glibc 2.18)  and found 
out that build of aoe6-84 / aoe6-85pre1 fails with the following error:

make[1]: Entering directory `/data/tmp/linux-3.10'
   CC [M]  /data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.o
In file included from /data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.c:15:0:
/data/tmp/aoe6-84/linux/drivers/block/aoe/aoe.h:16:0: warning: "DEFINE_SPINLOCK" 
redefined [enabled by default]
  #define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
  ^
In file included from include/linux/spinlock.h:81:0,
                  from include/linux/seqlock.h:29,
                  from include/linux/time.h:5,
                  from include/uapi/linux/timex.h:56,
                  from include/linux/timex.h:56,
                  from include/linux/sched.h:17,
                  from include/linux/blkdev.h:4,
                  from /data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.c:8:
include/linux/spinlock_types.h:84:0: note: this is the location of the previous 
definition
  #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x)
  ^
In file included from /data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.c:15:0:
/data/tmp/aoe6-84/linux/drivers/block/aoe/aoe.h:16:43: error: 
'SPIN_LOCK_UNLOCKED' undeclared here (not in a function)
  #define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
                                            ^
/data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.c:26:8: note: in expansion of 
macro 'DEFINE_SPINLOCK'
  static DEFINE_SPINLOCK(devlist_lock);
         ^
make[2]: *** [/data/tmp/aoe6-84/linux/drivers/block/aoe/aoedev.o] Error 1
make[1]: *** [_module_/data/tmp/aoe6-84/linux/drivers/block/aoe] Error 2

Thanks,
Serge