* Package:    media-gfx/exiv2-0.27.0-r2
 * Repository: gentoo
 * Maintainer: graphics@gentoo.org kde@gentoo.org
 * USE:        abi_x86_64 amd64 doc elibc_glibc kernel_linux nls png userland_GNU xmp
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking exiv2-0.27.0a-Source.tar.gz to /var/tmp/portage/media-gfx/exiv2-0.27.0-r2/work
>>> Source unpacked in /var/tmp/portage/media-gfx/exiv2-0.27.0-r2/work
>>> Preparing source in /var/tmp/portage/media-gfx/exiv2-0.27.0-r2/work/exiv2-0.27.0-Source ...
 * Converting doc/cmd.txt to UTF-8
 * Updating doxygen config
 * ERROR: media-gfx/exiv2-0.27.0-r2::gentoo failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 124:  Called src_prepare
 *   environment, line 3507:  Called die
 * The specific snippet of code:
 *           doxygen -u config/Doxyfile &> /dev/null || die;
 * 
 * If you need support, post the output of `emerge --info '=media-gfx/exiv2-0.27.0-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/exiv2-0.27.0-r2::gentoo'`.
 * The complete build log is located at '/var/log/media-gfx:exiv2-0.27.0-r2:20190117-214544.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/media-gfx/exiv2-0.27.0-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/exiv2-0.27.0-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/exiv2-0.27.0-r2/work/exiv2-0.27.0-Source'
 * S: '/var/tmp/portage/media-gfx/exiv2-0.27.0-r2/work/exiv2-0.27.0-Source'