INFO: setup
Package:    x11-drivers/xf86-video-intel-2.99.917_p20170313
Repository: gentoo
Maintainer: x11@gentoo.org
USE:        abi_x86_64 amd64 dri elibc_glibc kernel_linux sna udev userland_GNU
FEATURES:   preserve-libs sandbox userpriv usersandbox
Determining the location of the kernel source code
Found kernel source directory:
    /usr/src/linux
Found kernel object directory:
    /lib/modules/4.9.34-gentoo/build
Found sources for kernel version:
    4.9.34-gentoo
INFO: prepare
Running eautoreconf in '/var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/work/7e9e92c86b0fc4c848d164fe571798add5e1e36e' ...
Running libtoolize --install --copy --force --automake ...
Running aclocal -I m4 ...
ERROR: prepare
Failed Running aclocal !

Include in your bugreport the contents of:

  /var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/temp/aclocal.out
ERROR: x11-drivers/xf86-video-intel-2.99.917_p20170313::gentoo failed (prepare phase):
  Failed Running aclocal !

Call stack:
    ebuild.sh, line  115:  Called src_prepare
  environment, line 3943:  Called xorg-2_src_prepare
  environment, line 5030:  Called autotools-utils_src_prepare
  environment, line  858:  Called eautoreconf
  environment, line 1468:  Called eaclocal
  environment, line 1363:  Called autotools_run_tool '--at-m4flags' 'aclocal' '-I' 'm4'
  environment, line  985:  Called die
The specific snippet of code:
          die "Failed Running $1 !";

If you need support, post the output of `emerge --info '=x11-drivers/xf86-video-intel-2.99.917_p20170313::gentoo'`,
the complete build log and the output of `emerge -pqv '=x11-drivers/xf86-video-intel-2.99.917_p20170313::gentoo'`.
The complete build log is located at '/var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/temp/build.log'.
The ebuild environment file is located at '/var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/temp/environment'.
Working directory: '/var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/work/7e9e92c86b0fc4c848d164fe571798add5e1e36e'
S: '/var/tmp/portage/x11-drivers/xf86-video-intel-2.99.917_p20170313/work/7e9e92c86b0fc4c848d164fe571798add5e1e36e'