* Package:    app-text/bibutils-6.7
 * Repository: gentoo
 * Maintainer: sci@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking bibutils_6.7_src.tgz to /var/tmp/portage/app-text/bibutils-6.7/work
>>> Source unpacked in /var/tmp/portage/app-text/bibutils-6.7/work
>>> Preparing source in /var/tmp/portage/app-text/bibutils-6.7/work/bibutils_6.7 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-text/bibutils-6.7/work/bibutils_6.7 ...
sed: -e expression #5, char 77: unknown option to `s'
 * ERROR: app-text/bibutils-6.7::gentoo failed (configure phase):
 *   Failed to set up Makefile
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_configure
 *   environment, line 1075:  Called die
 * The specific snippet of code:
 *       sed -e "s:REPLACE_CC:$(tc-getCC):g" -e "s:REPLACE_EXEEXT::g" -e "s:REPLACE_LIBTARGET:libbibutils.so:g" -e "s:REPLACE_LIBEXT:.so:g" -e "s:REPLACE_CFLAGS:${CFLAGS}:g" -e "s:REPLACE_CLIBFLAGS:${CFLAGS} -fPIC:g" -e "s:REPLACE_RANLIB:$(tc-getRANLIB):g" -e 's:REPLACE_POSTFIX::g' -e "s:REPLACE_INSTALLDIR:\"${D}/usr/bin\":g" -e "s:REPLACE_LIBINSTALLDIR:\"${D}/usr/$(get_libdir)\":g" -e 's:make:$(MAKE):g' Makefile_start > Makefile || die "Failed to set up Makefile";
 * 
 * If you need support, post the output of `emerge --info '=app-text/bibutils-6.7::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-text/bibutils-6.7::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-text:bibutils-6.7:20200222-203859.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-text/bibutils-6.7/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-text/bibutils-6.7/temp/environment'.
 * Working directory: '/var/tmp/portage/app-text/bibutils-6.7/work/bibutils_6.7'
 * S: '/var/tmp/portage/app-text/bibutils-6.7/work/bibutils_6.7'