* Package:    games-fps/nexuiz-2.5.2-r1
 * Repository: gentoo
 * Maintainer: games@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking nexuiz-252.zip to /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work
>>> Unpacking ./Nexuiz/sources/enginesource20091001.zip to /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work
>>> Unpacking ./Nexuiz/sources/fteqcc-binaries-and-source-rev1253299209-bb8ceb9870af06104b67ae4cc2ec29552dce705b.zip to /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work
>>> Unpacking ./Nexuiz/sources/gamesource20091001.zip to /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work
>>> Source unpacked in /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work
>>> Preparing source in /var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work/darkplaces ...
 * Applying nexuiz-2.5.2-libpng-1.4.patch ...
 [ ok ]
sed: -e expression #2, char 66: unknown option to `s'
 * ERROR: games-fps/nexuiz-2.5.2-r1::gentoo failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_prepare
 *   environment, line 2070:  Called die
 * The specific snippet of code:
 *       sed -i -e "/^CC=/d" -e "s:-O2:${CFLAGS}:" -e "/-lm/s:$: ${LDFLAGS}:" -e '/^STRIP/s/strip/true/' makefile.inc || die;
 * 
 * If you need support, post the output of `emerge --info '=games-fps/nexuiz-2.5.2-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=games-fps/nexuiz-2.5.2-r1::gentoo'`.
 * The complete build log is located at '/var/log/portage/games-fps:nexuiz-2.5.2-r1:20200225-130407.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/games-fps/nexuiz-2.5.2-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/games-fps/nexuiz-2.5.2-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work/darkplaces'
 * S: '/var/tmp/portage/games-fps/nexuiz-2.5.2-r1/work/darkplaces'