With partial builds, some TEST_GEN_FILES entries can be absent at install time. rsync treats missing source arguments as fatal and aborts kselftest installation.
Override INSTALL_SINGLE_RULE in selftests/bpf to use --ignore-missing-args, while keeping the existing bpf-specific INSTALL_RULE extension logic. Signed-off-by: Ricardo B. Marlière <[email protected]> --- tools/testing/selftests/bpf/Makefile | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 1e1da26153a2..209bde90c3dd 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -949,6 +949,13 @@ EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ # Delete partially updated (corrupted) files on error .DELETE_ON_ERROR: +# Some generated files might be absent when only a subset of BPF objects +# could be built. Tell rsync to ignore missing source arguments. +override define INSTALL_SINGLE_RULE + $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) + $(if $(INSTALL_LIST),rsync -a --copy-unsafe-links --ignore-missing-args $(INSTALL_LIST) $(INSTALL_PATH)/) +endef + DEFAULT_INSTALL_RULE := $(INSTALL_RULE) override define INSTALL_RULE $(DEFAULT_INSTALL_RULE) -- 2.53.0
