diff --git a/src/Makefile b/src/Makefile index b447f5cb..83570b41 100644 --- a/src/Makefile +++ b/src/Makefile @@ -37,10 +37,6 @@ LIBBPF_BOOTSTRAP := $(LIBBPF_BOOTSTRAP_OUTPUT)libbpf.a LIBBPF_INTERNAL_HDRS := $(addprefix $(LIBBPF_HDRS_DIR)/,hashmap.h nlattr.h) LIBBPF_BOOTSTRAP_INTERNAL_HDRS := $(addprefix $(LIBBPF_BOOTSTRAP_HDRS_DIR)/,hashmap.h) -ifeq ($(BPFTOOL_VERSION),) -BPFTOOL_VERSION := 5.16.0+dc37dc617fab -endif - $(LIBBPF_OUTPUT) $(BOOTSTRAP_OUTPUT) $(LIBBPF_BOOTSTRAP_OUTPUT) $(LIBBPF_HDRS_DIR) $(LIBBPF_BOOTSTRAP_HDRS_DIR): $(QUIET_MKDIR)mkdir -p $@ @@ -81,7 +77,9 @@ CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ \ -I$(srctree)/src/kernel/bpf/ \ -I$(srctree)/include \ -I$(srctree)/include/uapi +ifneq ($(BPFTOOL_VERSION),) CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' +endif ifneq ($(EXTRA_CFLAGS),) CFLAGS += $(EXTRA_CFLAGS) endif diff --git a/src/main.c b/src/main.c index 0f2f8de5..e8122776 100644 --- a/src/main.c +++ b/src/main.c @@ -71,6 +71,17 @@ static int do_help(int argc, char **argv) return 0; } +#ifndef BPFTOOL_VERSION +/* bpftool's major and minor version numbers are aligned on libbpf's. There is + * an offset of 6 for the version number, because bpftool's version was higher + * than libbpf's when we adopted this scheme. The patch number remains at 0 + * for now. Set BPFTOOL_VERSION to override. + */ +#define BPFTOOL_MAJOR_VERSION (LIBBPF_MAJOR_VERSION + 6) +#define BPFTOOL_MINOR_VERSION LIBBPF_MINOR_VERSION +#define BPFTOOL_PATCH_VERSION 0 +#endif + static int do_version(int argc, char **argv) { #ifdef HAVE_LIBBFD_SUPPORT @@ -88,7 +99,12 @@ static int do_version(int argc, char **argv) jsonw_start_object(json_wtr); /* root object */ jsonw_name(json_wtr, "version"); +#ifdef BPFTOOL_VERSION jsonw_printf(json_wtr, "\"%s\"", BPFTOOL_VERSION); +#else + jsonw_printf(json_wtr, "\"%d.%d.%d\"", BPFTOOL_MAJOR_VERSION, + BPFTOOL_MINOR_VERSION, BPFTOOL_PATCH_VERSION); +#endif jsonw_name(json_wtr, "libbpf_version"); jsonw_printf(json_wtr, "\"%d.%d\"", libbpf_major_version(), libbpf_minor_version()); @@ -104,7 +120,12 @@ static int do_version(int argc, char **argv) } else { unsigned int nb_features = 0; +#ifdef BPFTOOL_VERSION printf("%s v%s\n", bin_name, BPFTOOL_VERSION); +#else + printf("%s v%d.%d.%d\n", bin_name, BPFTOOL_MAJOR_VERSION, + BPFTOOL_MINOR_VERSION, BPFTOOL_PATCH_VERSION); +#endif printf("using libbpf %s\n", libbpf_version_string()); printf("features:"); if (has_libbfd) {