tce-load -i compiletc 

http://dev-www.libreoffice.org/src/cppunit-1.14.0.tar.gz

cd cppunit-1.14.0

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

[-fno-exceptions fails]

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

make [0m 18.41s]
sudo make install

==============================================================================
Build configuration:
        debug:              no
        docs:               no
        werror:             yes
==============================================================================