* Package:    sys-devel/dev86-0.16.21-r3
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking Dev86src-0.16.21.tar.gz to /var/tmp/portage/sys-devel/dev86-0.16.21-r3/work
>>> Source unpacked in /var/tmp/portage/sys-devel/dev86-0.16.21-r3/work
>>> Preparing source in /var/tmp/portage/sys-devel/dev86-0.16.21-r3/work/dev86-0.16.21 ...
 * Applying dev86-pic.patch ...
 [ ok ]
 * Applying dev86-0.16.19-fortify.patch ...
 [ ok ]
 * Applying dev86-0.16.21-non-void-return-clang.patch ...
 [ ok ]
 * Applying dev86-0.16.21-make.patch ...
 [ ok ]
 * Not compiling elksemu on amd64
sed: -e expression #1, char 69: unknown option to `s'
 * ERROR: sys-devel/dev86-0.16.21-r3::gentoo failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_prepare
 *   environment, line 1101:  Called die
 * The specific snippet of code:
 *       sed -i -e "s:-O2 -g:${CFLAGS}:" -e '/INEXE=/s:-s::' makefile.in || die;
 * 
 * If you need support, post the output of `emerge --info '=sys-devel/dev86-0.16.21-r3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sys-devel/dev86-0.16.21-r3::gentoo'`.
 * The complete build log is located at '/var/log/portage/sys-devel:dev86-0.16.21-r3:20200227-174815.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sys-devel/dev86-0.16.21-r3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-devel/dev86-0.16.21-r3/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-devel/dev86-0.16.21-r3/work/dev86-0.16.21'
 * S: '/var/tmp/portage/sys-devel/dev86-0.16.21-r3/work/dev86-0.16.21'