tools/bpf: generate pkg-config file for libbpf (dd399ac9) · Commits · 戴 / test

tools/lib/bpf/.gitignore

+1 −0

Original line number	Diff line number	Diff line
		libbpf_version.h
		libbpf.pc
		FEATURE-DUMP.libbpf
		test_libbpf

tools/lib/bpf/Makefile

+15 −3

Original line number	Diff line number	Diff line
		@@ -90,6 +90,7 @@ LIBBPF_VERSION = $(BPF_VERSION).$(BPF_PATCHLEVEL).$(BPF_EXTRAVERSION)

		LIB_TARGET = libbpf.a libbpf.so.$(LIBBPF_VERSION)
		LIB_FILE = libbpf.a libbpf.so*
		PC_FILE = libbpf.pc

		# Set compile option CFLAGS
		ifdef EXTRA_CFLAGS
		@@ -134,13 +135,14 @@ VERSION_SCRIPT := libbpf.map

		LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET))
		LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
		PC_FILE := $(addprefix $(OUTPUT),$(PC_FILE))

		GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN) \| \
		awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {s++} END{print s}')
		VERSIONED_SYM_COUNT = $(shell readelf -s --wide $(OUTPUT)libbpf.so \| \
		grep -Eo '[^ ]+@LIBBPF_' \| cut -d@ -f1 \| sort -u \| wc -l)

		CMD_TARGETS = $(LIB_TARGET)
		CMD_TARGETS = $(LIB_TARGET) $(PC_FILE)

		CXX_TEST_TARGET = $(OUTPUT)test_libbpf

		@@ -187,6 +189,12 @@ $(OUTPUT)libbpf.a: $(BPF_IN)
		$(OUTPUT)test_libbpf: test_libbpf.cpp $(OUTPUT)libbpf.a
		$(QUIET_LINK)$(CXX) $(INCLUDES) $^ -lelf -o $@

		$(OUTPUT)libbpf.pc:
		$(QUIET_GEN)sed -e "s\|@PREFIX@\|$(prefix)\|" \
		-e "s\|@LIBDIR@\|$(libdir_SQ)\|" \
		-e "s\|@VERSION@\|$(LIBBPF_VERSION)\|" \
		< libbpf.pc.template > $@

		check: check_abi

		check_abi: $(OUTPUT)libbpf.so
		@@ -223,7 +231,11 @@ install_headers:
		$(call do_install,libbpf.h,$(prefix)/include/bpf,644);
		$(call do_install,btf.h,$(prefix)/include/bpf,644);

		install: install_lib
		install_pkgconfig: $(PC_FILE)
		$(call QUIET_INSTALL, $(PC_FILE)) \
		$(call do_install,$(PC_FILE),$(libdir_SQ)/pkgconfig,644)

		install: install_lib install_pkgconfig

		### Cleaning rules

		@@ -233,7 +245,7 @@ config-clean:

		clean:
		$(call QUIET_CLEAN, libbpf) $(RM) $(TARGETS) $(CXX_TEST_TARGET) \
		.o ~ .a .so .so.$(VERSION) ..d .*.cmd LIBBPF-CFLAGS
		.o ~ .a .so .so.$(VERSION) ..d ..cmd .pc LIBBPF-CFLAGS
		$(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf

tools/lib/bpf/libbpf.pc.template

0 → 100644

+12 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)

		prefix=@PREFIX@
		libdir=@LIBDIR@
		includedir=${prefix}/include

		Name: libbpf
		Description: BPF library
		Version: @VERSION@
		Libs: -L${libdir} -lbpf
		Requires.private: libelf
		Cflags: -I${includedir}

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