Detect when bpftool source code changes and trigger rebuild within selftests/bpf Makefile. Also fix few small formatting problems. Signed-off-by: Andrii Nakryiko <andriin@xxxxxx> --- 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): $(call msg,MKDIR,,$@) -- 2.17.1
