1 # kbuild trick to avoid linker error. Can be omitted if a module is built.
4 # List of programs to build
5 hostprogs-y := test_verifier test_maps
6 hostprogs-y += sock_example
10 test_verifier-objs := test_verifier.o libbpf.o
11 test_maps-objs := test_maps.o libbpf.o
12 sock_example-objs := sock_example.o libbpf.o
13 sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
14 sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
16 # Tell kbuild to always build the programs
17 always := $(hostprogs-y)
18 always += sockex1_kern.o
19 always += sockex2_kern.o
20 always += tcbpf1_kern.o
22 HOSTCFLAGS += -I$(objtree)/usr/include
24 HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
25 HOSTLOADLIBES_sockex1 += -lelf
26 HOSTLOADLIBES_sockex2 += -lelf
28 # point this to your LLVM backend with bpf support
29 LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
32 clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
33 -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
34 -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@