When building dbus against systemd-stage0, we need to have libucontext installed. Since systemd-stage0 uses !tracedeps, it needs to be specified manually in depends. I've reproduced the build error locally and verified that this fixes it. Fix for: [195/243] Linking target test/manual-test-thread-blocking ninja: job failed: cc -o test/test-sd-activation test/test-sd-activation.p/sd-activation.c.o -Wl,--as-needed -Wl,--no-undefined -pie -Wl,--as-needed,-O1,--sort-common -Wl,-z,pack-relative-relocs -Os -fstack-clash-protection -Wformat -Werror=format-security '-Wl,-rpath,$ORIGIN/../dbus' -Wl,--start-group test/libdbus-testutils.a dbus/libdbus-1.so.3.38.3 dbus/libdbus-internal.a /usr/lib/libglib-2.0.so /usr/lib/libintl.so /usr/lib/libgio-2.0.so /usr/lib/libgobject-2.0.so -pthread /usr/lib/libsystemd.so -Wl,--end-group /usr/lib/gcc/aarch64-alpine-linux-musl/15.2.0/../../../../aarch64-alpine-linux-musl/bin/ld: warning: libucontext.so.1, needed by /usr/lib/libsystemd.so, not found (try using -rpath or -rpath-link) /usr/lib/gcc/aarch64-alpine-linux-musl/15.2.0/../../../../aarch64-alpine-linux-musl/bin/ld: /usr/lib/libsystemd.so: undefined reference to `swapcontext' /usr/lib/gcc/aarch64-alpine-linux-musl/15.2.0/../../../../aarch64-alpine-linux-musl/bin/ld: /usr/lib/libsystemd.so: undefined reference to `getcontext' /usr/lib/gcc/aarch64-alpine-linux-musl/15.2.0/../../../../aarch64-alpine-linux-musl/bin/ld: /usr/lib/libsystemd.so: undefined reference to `makecontext' collect2: error: ld returned 1 exit status Related: https://builds.sr.ht/~postmarketos/job/1776990 Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8704>