安装darcs是报错

dealover

ghc是6.12.3,gentoo是刚刚装上的，下面是错误日志，没google到
 * Package:    dev-haskell/utf8-string-0.3.6
 * Repository: gentoo
 * Maintainer: haskell@gentoo.org
 * USE:  elibc_glibc kernel_linux userland_GNU x86
>>> Unpacking source...
>>> Unpacking utf8-string-0.3.6.tar.gz to /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work
>>> Source unpacked in /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work
>>> Compiling source in /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work/utf8-string-0.3.6 ...
* Using cabal-1.8.0.6.
[1 of 1] Compiling Main             ( /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work/utf8-string-0.3.6/Setup.lhs, /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work/utf8-string-0.3.6/Setup.o )
Linking setup ...
collect2: ld terminated with signal 9 [Killed]
* ERROR: dev-haskell/utf8-string-0.3.6 failed:
*   compiling /var/tmp/portage/dev-haskell/utf8-string-0.3.6/work/utf8-string-0.3.6/Setup.lhs failed
*
* Call stack:
*     ebuild.sh, line   56:  Called src_compile
*   environment, line 3097:  Called haskell-cabal_src_compile
*   environment, line 2389:  Called cabal_src_compile
*   environment, line  549:  Called haskell-cabal_src_configure
*   environment, line 2395:  Called cabal-bootstrap
*   environment, line  428:  Called die
* The specific snippet of code:
*       $(ghc-getghc) -package "${cabalpackage}" --make "${setupmodule}" -o setup || die "compiling ${setupmodule} failed"
*
* If you need support, post the output of 'emerge --info =dev-haskell/utf8-string-0.3.6',
* the complete build log and the output of 'emerge -pqv =dev-haskell/utf8-string-0.3.6'.
* The complete build log is located at '/var/tmp/portage/dev-haskell/utf8-string-0.3.6/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/dev-haskell/utf8-string-0.3.6/temp/environment'.
* S: '/var/tmp/portage/dev-haskell/utf8-string-0.3.6/work/utf8-string-0.3.6'