85 lines
2.3 KiB
Diff
85 lines
2.3 KiB
Diff
Author: Luca Boccassi <bluca@debian.org>
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Description: generate pkg-config file for libbpf
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Generate a libbpf.pc file at build time so that users can rely
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on pkg-config to find the library, its CFLAGS and LDFLAGS.
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Origin: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=dd399ac9e343c7573c47d6820e4a23013c54749d
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Applied-Upstream: yes
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--- a/tools/lib/bpf/.gitignore
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+++ b/tools/lib/bpf/.gitignore
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@@ -1,2 +1,3 @@
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libbpf_version.h
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+libbpf.pc
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FEATURE-DUMP.libbpf
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--- a/tools/lib/bpf/Makefile
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+++ b/tools/lib/bpf/Makefile
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@@ -93,6 +93,7 @@
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LIBBPF_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion)
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LIB_FILE = libbpf.a libbpf.so.$(LIBBPF_VERSION)
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+PC_FILE = libbpf.pc
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OBJ = $@
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N =
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@@ -136,8 +137,9 @@
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BPF_IN := $(OUTPUT)libbpf-in.o
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LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
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+PC_FILE := $(addprefix $(OUTPUT),$(PC_FILE))
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-CMD_TARGETS = $(LIB_FILE)
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+CMD_TARGETS = $(LIB_FILE) $(PC_FILE)
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TARGETS = $(CMD_TARGETS)
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@@ -166,6 +168,12 @@
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$(OUTPUT)libbpf.a: $(BPF_IN)
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$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
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+$(OUTPUT)libbpf.pc:
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+ $(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
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+ -e "s|@LIBDIR@|$(libdir_SQ)|" \
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+ -e "s|@VERSION@|$(LIBBPF_VERSION)|" \
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+ < libbpf.pc.template > $@
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+
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define do_install
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if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
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$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
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@@ -184,7 +192,12 @@
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$(call do_install,libbpf.h,$(prefix)/include/bpf,644);
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$(call do_install,btf.h,$(prefix)/include/bpf,644);
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-install: install_lib
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+install_pkgconfig: $(PC_FILE)
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+ $(call QUIET_INSTALL, $(PC_FILE)) \
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+ $(call do_install,$(PC_FILE),$(libdir_SQ)/pkgconfig,644)
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+
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+
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+install: install_lib install_pkgconfig
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### Cleaning rules
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@@ -193,7 +206,7 @@
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$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
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clean:
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- $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so .*.d .*.cmd \
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+ $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so .*.d .*.cmd *.pc \
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$(RM) LIBBPF-CFLAGS
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$(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf
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--- /dev/null
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+++ b/tools/lib/bpf/libbpf.pc.template
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@@ -0,0 +1,12 @@
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+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
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+
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+prefix=@PREFIX@
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+libdir=@LIBDIR@
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+includedir=${prefix}/include
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+
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+Name: libbpf
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+Description: BPF library
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+Version: @VERSION@
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+Libs: -L${libdir} -lbpf
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+Requires.private: libelf
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+Cflags: -I${includedir}
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