toolchain-build error using nios2-linux-20100621

i have update my nios2-linux-20100621 using

-

cd nios2-linux

cd linux-2.6

git fetch origin

git branch nios2

git checkout -f nios2

git clean -f -x -d

cd ..

cd uClinux-dist

git fetch origin

git branch trunk origin/trunk

git checkout -f trunk

git clean -f -x -d

i have not my first error , but i have a new error like that :

libpthread/linuxthreads.old/wrapsyscall.c:101: error: redefinition of 'msync'

./include/sys/mman.h:97: error: previous definition of 'msync' was here

make: *** [libpthread/linuxthreads.old/wrapsyscall.o] Error 1