tce-load -i 

cd muparser_v2_2_3

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

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

make
sudo make install