* Package:    media-libs/libvpx-1.0.0
 * Repository: gentoo
 * Maintainer: media-video@gentoo.org
 * USE:        alpha elibc_glibc kernel_linux test threads userland_GNU
 * FEATURES:   sandbox test userpriv usersandbox
>>> Unpacking source...
>>> Unpacking libvpx-v1.0.0.tar.bz2 to /var/tmp/portage/media-libs/libvpx-1.0.0/work
>>> Source unpacked in /var/tmp/portage/media-libs/libvpx-1.0.0/work
>>> Preparing source in /var/tmp/portage/media-libs/libvpx-1.0.0/work/libvpx-v1.0.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-libs/libvpx-1.0.0/work/libvpx-v1.0.0 ...
Configuring selected codecs
  enabling vp8_encoder
  enabling vp8_decoder
Configuring for target 'generic-gnu'
  enabling generic
  enabling pic
--enable-shared only supported on ELF for now

Configuration failed. This could reflect a misconfiguration of your
toolchains, improper options selected, or another problem. If you
don't see any useful error messages above, the next step is to look
at the configure error log file (config.err) to determine what
configure was trying to do when it died.
 * ERROR: media-libs/libvpx-1.0.0 failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  85:  Called src_configure
 *   environment, line 638:  Called die
 * The specific snippet of code:
 *       ./configure --prefix="${EPREFIX}"/usr --libdir="${EPREFIX}"/usr/$(get_libdir) --enable-pic --enable-vp8 --enable-shared $(use_enable altivec) $(use_enable debug debug-libs) $(use_enable debug) $(use_enable doc install-docs) $(use_enable mmx) $(use_enable postproc) $(use_enable sse) $(use_enable sse2) $(use_enable sse3) $(use_enable sse4_1) $(use_enable ssse3) $(use_enable static-libs static ) $(use_enable threads multithread) || die
 * 
 * If you need support, post the output of 'emerge --info =media-libs/libvpx-1.0.0',
 * the complete build log and the output of 'emerge -pqv =media-libs/libvpx-1.0.0'.
 * The complete build log is located at '/var/tmp/portage/media-libs/libvpx-1.0.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-libs/libvpx-1.0.0/temp/environment'.
 * S: '/var/tmp/portage/media-libs/libvpx-1.0.0/work/libvpx-v1.0.0'