[Xen-users] build xen4.0 fail in blktap2 module

["figbin" <figbin@xxxxxx>]

uname -a:Linux DC26 2.6.30.10 #1 SMP Wed Jun 2 04:34:53 PDT 2010 i686 i686 i386 GNU/Linux

OS:CentOS5.5

 

build xen

#make all

 

Errors:

include -I../../../tools/libxc -I../../../tools/include -I ../../../tools/libaio/src -I ../../../tools/memshr -D_GNU_SOURCE -DUSE_NFS_LOCKS -DUSE_GCRYPT -c -o tapdisk-queue.o tapdisk-queue.c
In file included from tapdisk-queue.c:44:
libaio-compat.h:82:3: error: #error __NR_eventfd?
make[5]: *** [tapdisk-queue.o] Error 1
make[5]: Leaving directory `/root/xen-4.0.0/tools/blktap2/drivers'
make[4]: *** [subdir-install-drivers] Error 2
make[4]: Leaving directory `/root/xen-4.0.0/tools/blktap2'
make[3]: *** [subdirs-install] Error 2
make[3]: Leaving directory `/root/xen-4.0.0/tools/blktap2'
make[2]: *** [subdir-install-blktap2] Error 2
make[2]: Leaving directory `/root/xen-4.0.0/tools'
make[1]: *** [subdirs-install] Error 2
make[1]: Leaving directory `/root/xen-4.0.0/tools'
make: *** [install-tools] Error 2

when I cd /root/xen-4.0.0/tools/blktap2

issue command: make && make install

It still told the same error.

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