* Package:    mail-filter/libmilter-1.0.2
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_glibc ipv6 kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox splitdebug userpriv usersandbox
>>> Unpacking source...
>>> Unpacking sendmail.8.14.5.tar.gz to /var/tmp/portage/mail-filter/libmilter-1.0.2/work
>>> Source unpacked in /var/tmp/portage/mail-filter/libmilter-1.0.2/work
>>> Preparing source in /var/tmp/portage/mail-filter/libmilter-1.0.2/work/sendmail-8.14.5 ...
 * Applying libmilter-build-system.patch ...
 [ ok ]
 * Applying libmilter-sharedlib.patch ...
 [ ok ]
sed: -e expression #1, char 73: unknown option to `s'
 * ERROR: mail-filter/libmilter-1.0.2::gentoo failed (prepare phase):
 *   failed to generate site.config.m4
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_prepare
 *   environment, line 1091:  Called die
 * The specific snippet of code:
 *       sed -e "s:@@CFLAGS@@:${CFLAGS}:" -e "s:@@LDFLAGS@@:${LDFLAGS}:" -e "s:@@CC@@:${CC}:" -e "s:@@ENVDEF@@:${ENVDEF}:" "${FILESDIR}/gentoo.config.m4" > "${S}/devtools/Site/site.config.m4" || die "failed to generate site.config.m4"
 * 
 * If you need support, post the output of `emerge --info '=mail-filter/libmilter-1.0.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=mail-filter/libmilter-1.0.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/mail-filter:libmilter-1.0.2:20200223-144449.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/mail-filter/libmilter-1.0.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/mail-filter/libmilter-1.0.2/temp/environment'.
 * Working directory: '/var/tmp/portage/mail-filter/libmilter-1.0.2/work/sendmail-8.14.5'
 * S: '/var/tmp/portage/mail-filter/libmilter-1.0.2/work/sendmail-8.14.5'