* CPV:  x11-misc/xmobar-0.9.2-r1
 * REPO: gentoo
 * USE:  elibc_glibc kernel_linux userland_GNU x86
>>> Unpacking source...
>>> Unpacking xmobar-0.9.2.tar.gz to /var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work
 * Applying xmobar-0.9.2-cpu-high-load.patch ...
  [ ok ]
>>> Source unpacked in /var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work
>>> Compiling source in /var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work/xmobar-0.9.2 ...
 * Using cabal-1.2.3.0.
[1 of 1] Compiling Main             ( /var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work/xmobar-0.9.2/Setup.lhs, /var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work/xmobar-0.9.2/Setup.o )
Linking setup ...
setup: Unrecognised flags:
 --constraint=base<4
 * ERROR: x11-misc/xmobar-0.9.2-r1 failed:
 *   setup configure failed
 * 
 * Call stack:
 *     ebuild.sh, line   54:  Called src_compile
 *   environment, line 3099:  Called cabal_src_compile
 *   environment, line  624:  Called cabal-configure
 *   environment, line  550:  Called die
 * The specific snippet of code:
 *       ./setup configure --ghc --prefix=/usr --with-compiler="$(ghc-getghc)" --with-hc-pkg="$(ghc-getghcpkg)" --prefix=/usr --libdir=/usr/$(get_libdir) --libsubdir=${P}/ghc-$(ghc-version) --datadir=/usr/share/ --datasubdir=${P}/ghc-$(ghc-version) ${cabalconf} ${CABAL_CONFIGURE_FLAGS} "$@" || die "setup configure failed"
 * 
 * If you need support, post the output of 'emerge --info =x11-misc/xmobar-0.9.2-r1',
 * the complete build log and the output of 'emerge -pqv =x11-misc/xmobar-0.9.2-r1'.
 * The complete build log is located at '/var/log/portage/x11-misc:xmobar-0.9.2-r1:20100323-113835.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-misc/xmobar-0.9.2-r1/temp/environment'.
 * S: '/var/tmp/portage/x11-misc/xmobar-0.9.2-r1/work/xmobar-0.9.2'