make compile gcc4.0 , not success

[eric lin]

Dear gcc programmers:

  in my window xp and cygwin pc, 
-------
checking for table... (cached) no
checking for sysctl... (cached) no
checking whether canonicalize_file_name must be declared... (cached) yes
checking for working strncmp... (cached) yes
updating cache ../config.cache
configure: creating ./config.status
config.status: creating Makefile
config.status: creating testsuite/Makefile
config.status: creating config.h
config.status: executing default commands
make[1]: Entering directory `/home/eric/gcc-4.0-20050130/build-i686-pc-cygwin/libiberty'
if [ x"" != x ] && [ ! -d pic ]; then \
  mkdir pic; \
else true; fi
touch stamp-picdir
make[1]: *** No rule to make target `../include/ansidecl.h', needed by `regex.o'.  Stop.
make[1]: Leaving directory `/home/eric/gcc-4.0-20050130/build-i686-pc-cygwin/libiberty'
make: *** [all-build-libiberty] Error 2
------------------------------------------------------------------------------------------------
deeply appreciate your time to help to make  gcc4.0 in my  pc work
and thanks in advance, eric
-- 
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