There's a error in building rtems-4.5beta1b on windows NT 4.0

[guobing]

Hi,all!Recently I have been building rtems-4.5beta1b on windows Nt 4.0.My components is rtems-4.5beta1b,gcc-2.95.2,cygwin-b20.1,binutils-2.95,newlib-1.8.1.My target is i386-rtemself.At BASh command line,running "i386-rtemself-gcc -v",it can correctly show verrsion message.But An error always occur in configuring.My configure command is "/source/rtems-4.5.0-beta1b/configure --target=i386-rtemself --disable-posix --disable-tests --disable-networking --disable-itron --enable-rtemsbsp="pc386" --prefix=/rtems".The error message look as follows:
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creating cache ./config.cache
checking for RTEMS Version... 4.5.0-beta1b
checking host system type... i386-pc-cygwin32
checking target system type... i386-pc-rtemself
checking build system type... i386-pc-cygwin32
checking rtems target cpu... i386
checking for a BSD compatible install... /host/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... yes
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... found
checking whether to enable maintainer-specific portions of Makefiles... no
checking if the test suites are enabled? ... no
checking if cpu i386 is supported... yes
not updating unwritable cache ./config.cache
creating ./config.status
creating Makefile
creating tools/Makefile
creating make/Makefile
creating make/custom/Makefile
creating make/Templates/Makefile
creating make/compilers/Makefile
creating doc/Makefile
configuring in tools/build
running /bin/sh /source/rtems-4.5.0-beta1b/tools/build/configure  --target=i386-rtemself --disable-posix --disable-tests --disable-networking --disable-itron --enable-rtemsbsp=pc386 --prefix=/host --cache-file=../.././config.cache --srcdir=/source/rtems-4.5.0-beta1b/tools/build
loading cache ../.././config.cache
checking for RTEMS Version... 4.5.0-beta1b
checking host system type... i386-pc-cygwin32
checking for a BSD compatible install... /host/bin/install -c
checking whether build environment is sane... yes
checking whether make sets ${MAKE}... yes
checking for working aclocal... missing
checking for working autoconf... missing
checking for working automake... missing
checking for working autoheader... missing
checking for working makeinfo... found
checking whether to enable maintainer-specific portions of Makefiles... no
checking for Cygwin environment... no
checking for mingw32 environment... no
checking for executable suffix... configure: error: installation or configuration problem: compiler cannot create executables.
configure: error: /source/rtems-4.5.0-beta1b/tools/build/configure failed for tools/build
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Anyone can help me.Thanks.