Installing Gentoo on an X240

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These notes refer to the installation of Gentoo on an X240 system. The notes are NOT step-by-step instructions, but they are supposed to provide the necessary information to simplify the installation (i.e. configuration files, etc).

/etc/portage/make.conf

The "core-avx" CFLAGS option optimises for the new Haswell instruction set: 

CHOST="x86_64-pc-linux-gnu"
CFLAGS="-march=core-avx2 -O2 -pipe"
CXXFLAGS="${CFLAGS}"

source: Safe CFLAGS Template:X240

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