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|
Author: Luca Boccassi <bluca@debian.org>
Description: generate pkg-config file for libbpf
Generate a libbpf.pc file at build time so that users can rely
on pkg-config to find the library, its CFLAGS and LDFLAGS.
Origin: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=dd399ac9e343c7573c47d6820e4a23013c54749d
Applied-Upstream: yes
Index: linux/tools/lib/bpf/.gitignore
===================================================================
--- linux.orig/tools/lib/bpf/.gitignore
+++ linux/tools/lib/bpf/.gitignore
@@ -1,2 +1,3 @@
libbpf_version.h
+libbpf.pc
FEATURE-DUMP.libbpf
Index: linux/tools/lib/bpf/Makefile
===================================================================
--- linux.orig/tools/lib/bpf/Makefile
+++ linux/tools/lib/bpf/Makefile
@@ -95,6 +95,7 @@ libdir_SQ = $(subst ','\'',$(libdir))
libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
LIB_FILE = libbpf.a libbpf.so.$(LIBBPF_VERSION)
+PC_FILE = libbpf.pc
VERSION = $(BPF_VERSION)
PATCHLEVEL = $(BPF_PATCHLEVEL)
@@ -144,8 +145,9 @@ include $(srctree)/tools/build/Makefile.
BPF_IN := $(OUTPUT)libbpf-in.o
LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
+PC_FILE := $(addprefix $(OUTPUT),$(PC_FILE))
-CMD_TARGETS = $(LIB_FILE)
+CMD_TARGETS = $(LIB_FILE) $(PC_FILE)
TARGETS = $(CMD_TARGETS)
@@ -175,6 +177,12 @@ $(OUTPUT)libbpf.so.$(LIBBPF_VERSION): $(
$(OUTPUT)libbpf.a: $(BPF_IN)
$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
+$(OUTPUT)libbpf.pc:
+ $(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
+ -e "s|@LIBDIR@|$(libdir_SQ)|" \
+ -e "s|@VERSION@|$(LIBBPF_VERSION)|" \
+ < libbpf.pc.template > $@
+
define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
@@ -193,7 +201,12 @@ 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
@@ -202,7 +215,7 @@ config-clean:
$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
clean:
- $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so .*.d .*.cmd \
+ $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so .*.d .*.cmd *.pc \
$(RM) LIBBPF-CFLAGS
$(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf
Index: linux/tools/lib/bpf/libbpf.pc.template
===================================================================
--- /dev/null
+++ linux/tools/lib/bpf/libbpf.pc.template
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+prefix=@PREFIX@
+libdir=@LIBDIR@
+includedir=${prefix}/include
+
+Name: libbpf
+Description: BPF library
+Version: @VERSION@
+Libs: -L${libdir} -lbpf
+Requires.private: libelf
+Cflags: -I${includedir}
|
