emerge ncurses出错

xmzw

localhost ~ # emerge -uD ncurses
Calculating dependencies... done!

>>> Emerging (1 of 1) sys-libs/ncurses-5.6 to /
* ncurses-5.6.tar.gz RMD160 ;-) ...                                      [ ok ]
* ncurses-5.6.tar.gz SHA1 ;-) ...                                        [ ok ]
* ncurses-5.6.tar.gz SHA256 ;-) ...                                      [ ok ]
* ncurses-5.6.tar.gz size ;-) ...                                        [ ok ]
* checking ebuild checksums ;-) ...                                      [ ok ]
* checking auxfile checksums ;-) ...                                     [ ok ]
* checking miscfile checksums ;-) ...                                    [ ok ]
* checking ncurses-5.6.tar.gz ;-) ...                                    [ ok ]
>>> Unpacking source...
>>> Unpacking ncurses-5.6.tar.gz to /var/tmp/portage/sys-libs/ncurses-5.6/work
* Applying ncurses-5.6-gfbsd.patch ...                                   [ ok ]
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/sys-libs/ncurses-5.6/work/ncurses-5.6 ...
* econf: updating ncurses-5.6/config.guess with /usr/share/gnuconfig/config.guess
* econf: updating ncurses-5.6/config.sub with /usr/share/gnuconfig/config.sub
/usr/bin/confcache --confcache-ignore /var/tmp/ccache:/var/tmp/.distcc --confcache-dir /var/tmp/confcache /var/tmp/portage/sys-libs/ncurses-5.6/work/ncurses-5.6/configure --prefix=/usr --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/lib --with-terminfo-dirs=/etc/terminfo:/usr/share/terminfo --disable-termcap --with-shared --with-rcs-ids --without-ada --enable-symlinks --enable-const --with-chtype=long --with-mmask-t=long --with-manpage-format=normal --without-debug --with-gpm --without-trace --build=i686-pc-linux-gnu
configure: loading cache config.cache
checking for egrep... grep -E
Configuring NCURSES 5.6 ABI 5 (Thu Mar 29 16:09:22 CST 2007)
checking build system type... (cached) i686-pc-linux-gnu
checking host system type... (cached) i686-pc-linux-gnu
checking target system type... config.sub: missing argument
Try `config.sub --help' for more information.
configure: error: /bin/sh /var/tmp/portage/sys-libs/ncurses-5.6/work/ncurses-5.6/config.sub  failed

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/sys-libs/ncurses-5.6/work/narrowc/config.log

!!! ERROR: sys-libs/ncurses-5.6 failed.
Call stack:
  ebuild.sh, line 1614:   Called dyn_compile
  ebuild.sh, line 971:   Called qa_call 'src_compile'
  environment, line 3298:   Called src_compile
  ncurses-5.6.ebuild, line 48:   Called do_compile
  ncurses-5.6.ebuild, line 69:   Called econf '--libdir=/lib' '--with-terminfo-dirs=/etc/terminfo:/usr/share/terminfo' '--disable-termcap' '--with-shared' '--with-rcs-ids' '--without-ada' '--enable-symlinks' '--enable-const' '--with-chtype=long' '--with-mmask-t=long' '--with-manpage-format=normal' '--without-debug' '--with-gpm' '--without-trace'
  ebuild.sh, line 577:   Called die

!!! econf failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/sys-libs/ncurses-5.6/temp/build.log'.