tce-load -i compiletc automake libtool-dev intltool bash

cd openexr-2.2.0/IlmBase

./bootstrap

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe" ./configure --prefix=/usr/local --disable-static --localstatedir=/var

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

make
sudo make install

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Summary for IlmBase features:
enable large stack optimizations             yes

internal library namespaces                  Imath_2_2
                                             Iex_2_2
                                             IlmThread_2_2

public namespaces                            Imath Iex IlmThread

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