spa_callbacks_call(&(iface)->cb,method_type,method,vers,##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~~ In file included from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/builder.h:23, from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/format-utils.h:13: /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/builder.h: In function 'on_process': ../subprojects/cava-0.10.2/src/input/pipewire.c:30:21: warning: ISO C forbids braced-groups within expressions