Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1LIBDIR := ../../../lib
2BPFDIR := $(LIBDIR)/bpf
3APIDIR := ../../../include/uapi
4GENDIR := ../../../../include/generated
5GENHDR := $(GENDIR)/autoconf.h
6
7ifneq ($(wildcard $(GENHDR)),)
8 GENFLAGS := -DHAVE_GENHDR
9endif
10
11CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
12LDLIBS += -lcap -lelf
13
14TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
15 test_align
16
17TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \
18 test_pkt_md_access.o test_xdp_redirect.o sockmap_parse_prog.o sockmap_verdict_prog.o
19
20TEST_PROGS := test_kmod.sh test_xdp_redirect.sh
21
22include ../lib.mk
23
24BPFOBJ := $(OUTPUT)/libbpf.a
25
26$(TEST_GEN_PROGS): $(BPFOBJ)
27
28.PHONY: force
29
30# force a rebuild of BPFOBJ when its dependencies are updated
31force:
32
33$(BPFOBJ): force
34 $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/
35
36CLANG ?= clang
37
38%.o: %.c
39 $(CLANG) -I. -I./include/uapi -I../../../include/uapi \
40 -Wno-compare-distinct-pointer-types \
41 -O2 -target bpf -c $< -o $@