[PATCH bpf-next] selftests/bpf: improve bpftool changes detection
From: Andrii Nakryiko <hidden>
Date: 2020-01-24 05:42:06
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Linus Torvalds
Detect when bpftool source code changes and trigger rebuild within selftests/bpf Makefile. Also fix few small formatting problems. Signed-off-by: Andrii Nakryiko <redacted> --- tools/testing/selftests/bpf/Makefile | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 5f41f5bd8033..257a1aaaa37d 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile@@ -155,16 +155,17 @@ $(OUTPUT)/test_sysctl: cgroup_helpers.c DEFAULT_BPFTOOL := $(SCRATCH_DIR)/sbin/bpftool BPFTOOL ?= $(DEFAULT_BPFTOOL) -$(DEFAULT_BPFTOOL): $(BPFOBJ) | $(BUILD_DIR)/bpftool - $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ - OUTPUT=$(BUILD_DIR)/bpftool/ \ +$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ + $(BPFOBJ) | $(BUILD_DIR)/bpftool + $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ + OUTPUT=$(BUILD_DIR)/bpftool/ \ prefix= DESTDIR=$(SCRATCH_DIR)/ install -$(BPFOBJ): $(wildcard $(BPFDIR)/*.c $(BPFDIR)/*.h $(BPFDIR)/Makefile) \ +$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ ../../../include/uapi/linux/bpf.h \ | $(INCLUDE_DIR) $(BUILD_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ - DESTDIR=$(SCRATCH_DIR) prefix= all install_headers + DESTDIR=$(SCRATCH_DIR) prefix= all install_headers $(BUILD_DIR)/libbpf $(BUILD_DIR)/bpftool $(INCLUDE_DIR): $(call msg,MKDIR,,$@)
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2.17.1