See https://gitlab.gnome.org/GNOME/glib/-/jobs/5728547#L893
FAILED: subprojects/libffi-3.5.2/src/ffi-8.dll.p/meson-generated_.._preprocessor_0.p_win64_armasm.masm.obj
"armasm64" "-isubprojects\libffi-3.5.2\src\ffi-8.dll.p" "-nologo" "-g" "-isubprojects\libffi-3.5.2\src" "-i..\subprojects\libffi-3.5.2\src\aarch64" "-i..\subprojects\libffi-3.5.2\include" "-isubprojects\libffi-3.5.2\include" "-i..\subprojects\libffi-3.5.2" "-isubprojects\libffi-3.5.2" "-i..\subprojects\libffi-3.5.2\src" "-isubprojects\libffi-3.5.2\src" "-isubprojects\libffi-3.5.2\src\ffi-8.dll.p" -o subprojects/libffi-3.5.2/src/ffi-8.dll.p/meson-generated_.._preprocessor_0.p_win64_armasm.masm.obj subprojects/libffi-3.5.2/src/preprocessor_0.p/win64_armasm.masm
edge with deps=gcc but no depfile makes no sense
I can try to debug this further in the next few days :)
Note the same issue happens with latest Meson: 1.9.1