to capture output, to feed input) [174/229] Compiling C++ object waybar.p/src_util_regex_collection.cpp.o [96/229] Compiling C++ object waybar.p/src_util_regex_collection.cpp.o [96/229] Compiling C++ object waybar.p/src_modules_cpu_usage_common.cpp.o In file included from ../subprojects/cava-0.10.2/src/output/common.c:3: ../subprojects/cava-0.10.2/src/output/common.c: In function 'spa_latency_parse': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:531:1: warning: ISO C forbids braced-groups within expressions [-Wpedantic]