Alexei Starovoitov | 3c731eb | 2014-09-26 00:17:07 -0700 | [diff] [blame] | 1 | # kbuild trick to avoid linker error. Can be omitted if a module is built. |
| 2 | obj- := dummy.o |
| 3 | |
| 4 | # List of programs to build |
Alexei Starovoitov | ffb65f2 | 2014-11-13 17:36:48 -0800 | [diff] [blame] | 5 | hostprogs-y := test_verifier test_maps |
Alexei Starovoitov | 03f4723 | 2014-12-01 15:06:36 -0800 | [diff] [blame] | 6 | hostprogs-y += sock_example |
Alexei Starovoitov | a808578 | 2014-12-01 15:06:38 -0800 | [diff] [blame^] | 7 | hostprogs-y += sockex1 |
Alexei Starovoitov | 3c731eb | 2014-09-26 00:17:07 -0700 | [diff] [blame] | 8 | |
| 9 | test_verifier-objs := test_verifier.o libbpf.o |
Alexei Starovoitov | ffb65f2 | 2014-11-13 17:36:48 -0800 | [diff] [blame] | 10 | test_maps-objs := test_maps.o libbpf.o |
Alexei Starovoitov | 03f4723 | 2014-12-01 15:06:36 -0800 | [diff] [blame] | 11 | sock_example-objs := sock_example.o libbpf.o |
Alexei Starovoitov | a808578 | 2014-12-01 15:06:38 -0800 | [diff] [blame^] | 12 | sockex1-objs := bpf_load.o libbpf.o sockex1_user.o |
Alexei Starovoitov | 3c731eb | 2014-09-26 00:17:07 -0700 | [diff] [blame] | 13 | |
| 14 | # Tell kbuild to always build the programs |
| 15 | always := $(hostprogs-y) |
Alexei Starovoitov | a808578 | 2014-12-01 15:06:38 -0800 | [diff] [blame^] | 16 | always += sockex1_kern.o |
Alexei Starovoitov | 3c731eb | 2014-09-26 00:17:07 -0700 | [diff] [blame] | 17 | |
| 18 | HOSTCFLAGS += -I$(objtree)/usr/include |
Alexei Starovoitov | a808578 | 2014-12-01 15:06:38 -0800 | [diff] [blame^] | 19 | |
| 20 | HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable |
| 21 | HOSTLOADLIBES_sockex1 += -lelf |
| 22 | |
| 23 | # point this to your LLVM backend with bpf support |
| 24 | LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc |
| 25 | |
| 26 | %.o: %.c |
| 27 | clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ |
| 28 | -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \ |
| 29 | -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ |