mesa-18.2.0 build error

 * ERROR: media-libs/mesa-18.2.0_rc2::xorg-kit failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line   92:  Called src_configure
 *   environment, line 3255:  Called multilib-minimal_src_configure
 *   environment, line 1828:  Called multilib_foreach_abi 'multilib-minimal_abi_src_configure'
 *   environment, line 2042:  Called multibuild_foreach_variant '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *   environment, line 1758:  Called _multibuild_run '_multilib_multibuild_wrapper' 'multilib-minimal_abi_src_configure'
 *   environment, line 1756:  Called _multilib_multibuild_wrapper 'multilib-minimal_abi_src_configure'
 *   environment, line  801:  Called multilib-minimal_abi_src_configure
 *   environment, line 1822:  Called multilib_src_configure
 *   environment, line 2324:  Called meson_src_configure
 *   environment, line 1695:  Called die
 * The specific snippet of code:
 *       tc-env_build "$@" || die
 * 
 * If you need support, post the output of `emerge --info '=media-libs/mesa-18.2.0_rc2::xorg-kit'`,
 * the complete build log and the output of `emerge -pqv '=media-libs/mesa-18.2.0_rc2::xorg-kit'`.
 * The complete build log is located at '/tmp/portage/media-libs/mesa-18.2.0_rc2/temp/build.log'.
 * The ebuild environment file is located at '/tmp/portage/media-libs/mesa-18.2.0_rc2/temp/environment'.
 * Working directory: '/tmp/portage/media-libs/mesa-18.2.0_rc2/work/mesa-18.2.0-rc2-abi_x86_32.x86'
 * S: '/tmp/portage/media-libs/mesa-18.2.0_rc2/work/mesa-18.2.0-rc2'
 * One or more packages are either masked or have missing dependencies:
 * 
 *   >=x11-libs/libva-1.7.3:0/0=[abi_x86_32(-),abi_x86_64(-)] pulled in by:
 *     media-libs/mesa-17.2.8:0/0::xorg-kit, installed
 * 
 * The resume list contains packages that are either masked or have
 * unsatisfied dependencies. Please restart/continue the operation
 * manually, or use --skipfirst to skip the first package in the list and
 * any other packages that may be masked or have missing dependencies.
 * 
 * The following package has failed to build, install, or execute postinst:
 * 
 *  media-libs/mesa-18.2.0_rc2:0/0::xorg-kit, ebuild scheduled for merge, Log file:
 *   '/tmp/portage/media-libs/mesa-18.2.0_rc2/temp/build.log'
 *