tce-load -i compiletc meson wget https://github.com/open-source-parsers/jsoncpp/archive/refs/tags/1.9.5.tar.gz cd jsoncpp-1.9.5 mkdir build cd build CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain [-fno-exceptions fails] ninja [0m 11.93s] sudo ninja install jsoncpp 1.9.4 [?!] User defined options buildtype : plain localstatedir: /var prefix : /usr/local