when I build newlib, there are many errors like below:

make[8]: Entering directory `/home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/newlib/libc/errno'
or1k-elf-gcc -B/home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/newlib/ -isystem /home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/newlib/targ-include -isystem /home/ZX2AA005/yuanhualong/openrisc/newlib-2.2.0.20150225/newlib/libc/include -B/home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/libgloss/or1k -L/home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/libgloss/libnosys -L/home/ZX2AA005/yuanhualong/openrisc/newlib-2.2.0.20150225/libgloss/or1k -mno-delay -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\" -DPACKAGE_VERSION=\"2.2.0\" -DPACKAGE_STRING=\"newlib\ 2.2.0\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -I. -I../../../../../../newlib-2.2.0.20150225/newlib/libc/errno -DREENTRANT_SYSCALLS_PROVIDED -fno-builtin -g -O2 -mno-delay -c -o lib_a-errno.o `test -f 'errno.c' || echo '../../../../../../newlib-2.2.0.20150225/newlib/libc/errno/'`errno.c
/tmp/cc0mI66M.s: Assembler messages:
/tmp/cc0mI66M.s:2: Error: unknown pseudo-op: `.nodelay'
/tmp/cc0mI66M.s:5: Error: unknown pseudo-op: `.cfi_sections'
/tmp/cc0mI66M.s:7: Error: unknown pseudo-op: `.proc'
/tmp/cc0mI66M.s:15: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:16: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:17: Error: register save offset not a multiple of 8
/tmp/cc0mI66M.s:19: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:22: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:25: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:26: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:27: Error: invalid character '.' in mnemonic
/tmp/cc0mI66M.s:28: Error: invalid character '.' in mnemonic
make[8]: *** [lib_a-errno.o] Error 1
make[8]: Leaving directory `/home/ZX2AA005/yuanhualong/openrisc/build_newlib/or1k-elf/no-delay/newlib/libc/errno'

I don't know how to slove this problem!please someone can help me?