ninja: build stopped: subcommand failed.
 * ERROR: net-libs/webkit-gtk-2.8.5::gentoo failed (compile phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  133:  Called src_compile
 *   environment, line 5079:  Called cmake-utils_src_compile
 *   environment, line 1361:  Called _cmake_execute_optionally 'src_compile'
 *   environment, line  532:  Called enable_cmake-utils_src_compile
 *   environment, line 1849:  Called cmake-utils_src_make
 *   environment, line 1376:  Called _cmake_ninja_src_make
 *   environment, line  588:  Called die
 * The specific snippet of code:
 *       "$@" || die
 *
 * If you need support, post the output of `emerge --info '=net-libs/webkit-gtk-2.8.5::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-libs/webkit-gtk-2.8.5::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/temp/environment'.
 * Working directory: '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/work/webkit-gtk-2.8.5_build'
 * S: '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/work/webkitgtk-2.8.5'

>>> Failed to emerge net-libs/webkit-gtk-2.8.5, Log file:

>>>  '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/temp/build.log'

 * Messages for package net-libs/webkit-gtk-2.8.5:

 * ERROR: net-libs/webkit-gtk-2.8.5::gentoo failed (compile phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  133:  Called src_compile
 *   environment, line 5079:  Called cmake-utils_src_compile
 *   environment, line 1361:  Called _cmake_execute_optionally 'src_compile'
 *   environment, line  532:  Called enable_cmake-utils_src_compile
 *   environment, line 1849:  Called cmake-utils_src_make
 *   environment, line 1376:  Called _cmake_ninja_src_make
 *   environment, line  588:  Called die
 * The specific snippet of code:
 *       "$@" || die
 *
 * If you need support, post the output of `emerge --info '=net-libs/webkit-gtk-2.8.5::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-libs/webkit-gtk-2.8.5::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/temp/environment'.
 * Working directory: '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/work/webkit-gtk-2.8.5_build'
 * S: '/var/tmp/portage/net-libs/webkit-gtk-2.8.5/work/webkitgtk-2.8.5'