build: re-add destdir but make symlink relative
build: re-add destdir but make symlink relative

hlummis/libsoc,janick/libsoc,hlummis/libsoc,janick/libsoc,yegorich/libsoc,hlummis/libsoc,jackmitch/libsoc,jackmitch/libsoc,yegorich/libsoc,janick/libsoc,yegorich/libsoc,janick/libsoc,jackmitch/libsoc,hlummis/libsoc