tce-load -i compiletc perl5 openssl-dev

wget https://kerberos.org/dist/krb5/1.21/krb5-1.21.2.tar.gz

cd krb5-1.21.2

cd src

sed -i -e '/eq 0/{N;s/12 //}'    plugins/kdb/db2/libdb2/test/run.test

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var/lib --with-system-verto=no --enable-dns-for-realm

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [1m 58.07s]
sudo make install

sed '/PROG_RPATH_FLAGS/d' -i /usr/local/bin/krb5-config

note ref --with-system-et --with-system-ss
/usr/local/share/ss /usr/share/et
are in e2fsprogs*-dev