tce-load -i compiletc libatomic_ops-dev

cd gc-7.6.8

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --enable-cplusplus

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

make
sudo make install