ISO C forbids braced-groups within expressions [-Wpedantic] 338 | ({ | ^ ../subprojects/cava-0.10.2/src/output/common.c:23:29: note: in expansion of macro 'spa_interface_call_res' 101 | spa_interface_call_res(&o->iface, | ^~~~~~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/support/thread.h:101:9: note: in expansion of macro 'spa_pod_builder_add_object' 100 | return pw_core_error(core, id, seq, res, buffer); | ^~~~~~~~~~~~~ In file included from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/pipewire-0.3/pipewire/loop.h:12, from /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/pipewire-0.3/pipewire/context.h:49: /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/support/loop.h:338:1: warning: ISO C forbids braced-groups within expressions