tce-load -i vala-dev gobject-introspection-dev

cd gsound-1.0.1

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 --localstatedir=/var --enable-introspection=yes

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

make
sudo make install

No package 'gsound' found