Problem with building multilib in the arm-unknown-linux-gnueabi toolchain under Cygwin

[Dmitry Bobrov <rdxmen at yandex dot ru>]

I'm building the crosscompiler arm-unknown-linux-gnueabi under Cygwin using the latest version of crosstool-ng (from github):

[EXTRA]  Dumping internal crosstool-NG configuration
[EXTRA]    Building a toolchain for:
[EXTRA]      build  = x86_64-unknown-cygwin
[EXTRA]      host   = x86_64-unknown-cygwin
[EXTRA]      target = arm-unknown-linux-gnueabi
[EXTRA]  Dumping internal crosstool-NG configuration: done in 0.28s (at 00:10)
[INFO ]  =================================================================
[INFO ]  Retrieving needed toolchain components' tarballs
[EXTRA]    Retrieving 'linux-4.4.3'
[EXTRA]    Retrieving 'gmp-6.1.0'
[EXTRA]    Retrieving 'mpfr-3.1.3'
[EXTRA]    Retrieving 'isl-0.14'
[EXTRA]    Retrieving 'mpc-1.0.3'
[EXTRA]    Retrieving 'libelf-0.8.13'
[EXTRA]    Retrieving 'expat-2.1.0'
[EXTRA]    Retrieving 'ncurses-6.0'
[EXTRA]    Retrieving 'libiconv-1.14'
[EXTRA]    Retrieving 'gettext-0.19.6'
[EXTRA]    Retrieving 'binutils-2.26'
[EXTRA]    Retrieving 'gcc-6.1.0'
[EXTRA]    Retrieving 'glibc-2.23'
[EXTRA]    Retrieving 'dmalloc-5.5.2'
[EXTRA]    Retrieving 'duma_2_5_15'
[EXTRA]    Retrieving 'gdb-7.11'
[EXTRA]    Retrieving 'ltrace_0.7.3.orig'
[EXTRA]    Retrieving 'strace-4.10'
[INFO ]  Retrieving needed toolchain components' tarballs: done in 1225.04s (at 20:36)

And after few steps I faced with the following problem:

[INFO ]  =================================================================
[INFO ]  Installing C library headers & start files
[INFO ]    =================================================================
[INFO ]    Building for multilib 1/1: ''
[EXTRA]      Configuring C library
[EXTRA]      Installing C library headers
[ERROR]      make[3]: *** [Makefile:194: /opt/build_toolchain/.build/arm-unknown-linux-gnueabi/build/build-libc-startfiles/multilib_./sunrpc/rpcsvc/nlm_prot.stmp] Error 127
[ERROR]      make[3]: *** [Makefile:193: /opt/build_toolchain/.build/arm-unknown-linux-gnueabi/build/build-libc-startfiles/multilib_./sunrpc/rpcsvc/bootparam_prot.stmp] Error 127
[ERROR]      make[3]: *** [Makefile:194: /opt/build_toolchain/.build/arm-unknown-linux-gnueabi/build/build-libc-startfiles/multilib_./sunrpc/rpcsvc/klm_prot.stmp] Error 127
[ERROR]      make[3]: *** [Makefile:194: /opt/build_toolchain/.build/arm-unknown-linux-gnueabi/build/build-libc-startfiles/multilib_./sunrpc/rpcsvc/rstat.stmp] Error 127
[ERROR]      make[3]: *** [Makefile:194: /opt/build_toolchain/.build/arm-unknown-linux-gnueabi/build/build-libc-startfiles/multilib_./sunrpc/rpcsvc/yppasswd.stmp] Error 127
[ERROR]      make[2]: *** [Makefile:214: sunrpc/install-headers] Error 2
[ERROR]      make[1]: *** [Makefile:9: install-headers] Error 2
[ERROR]  /
[ERROR]  >>
[ERROR]  >>  Build failed in step 'Building for multilib 1/1: '''
[ERROR]  >>        called in step 'Installing C library headers & start files'
[ERROR]  >>        called in step '(top-level)'
[ERROR]  >>
[ERROR]  >>  Error happened in: CT_DoExecLog[scripts/functions@259]
[ERROR]  >>        called from: do_libc_backend_once[scripts/build/libc/glibc.sh@303]
[ERROR]  >>        called from: CT_IterateMultilibs[scripts/functions@1659]
[ERROR]  >>        called from: do_libc_backend[scripts/build/libc/glibc.sh@86]
[ERROR]  >>        called from: do_libc_start_files[scripts/build/libc/glibc.sh@48]
[ERROR]  >>        called from: main[scripts/crosstool-NG.sh@624]

As I have already read - there a lot of problems (it's not well-tested) with multilib when build toolchains using crosstool-ng. How can I disable the building of multilib in my configuration? Or maybe I can fix this problem?

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