* Package:    app-misc/digitemp-3.7.1
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 ds2490 ds9097 ds9097u elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking digitemp-3.7.1.tar.gz to /var/tmp/portage/app-misc/digitemp-3.7.1/work
>>> Source unpacked in /var/tmp/portage/app-misc/digitemp-3.7.1/work
>>> Preparing source in /var/tmp/portage/app-misc/digitemp-3.7.1/work/digitemp-3.7.1 ...
sed: -e expression #1, char 86: unknown option to `s'
 * ERROR: app-misc/digitemp-3.7.1::gentoo failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 127:  Called src_prepare
 *   environment, line 1151:  Called die
 * The specific snippet of code:
 *       sed -i -e "/^CFLAGS/s:-O2:${CFLAGS}:" -e "/^LIBS/s:=:= ${LDFLAGS}:" Makefile || die;
 * 
 * If you need support, post the output of `emerge --info '=app-misc/digitemp-3.7.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-misc/digitemp-3.7.1::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-misc:digitemp-3.7.1:20210801-192325.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-misc/digitemp-3.7.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-misc/digitemp-3.7.1/temp/environment'.
 * Working directory: '/var/tmp/portage/app-misc/digitemp-3.7.1/work/digitemp-3.7.1'
 * S: '/var/tmp/portage/app-misc/digitemp-3.7.1/work/digitemp-3.7.1'