Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# kbuild trick to avoid linker error. Can be omitted if a module is built.
2obj- := dummy.o
3
4hostprogs-$(CONFIG_SECCOMP_FILTER) := bpf-fancy dropper bpf-direct
5
6HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
7HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
8HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
9HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
10bpf-fancy-objs := bpf-fancy.o bpf-helper.o
11
12HOSTCFLAGS_dropper.o += -I$(objtree)/usr/include
13HOSTCFLAGS_dropper.o += -idirafter $(objtree)/include
14dropper-objs := dropper.o
15
16HOSTCFLAGS_bpf-direct.o += -I$(objtree)/usr/include
17HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include
18bpf-direct-objs := bpf-direct.o
19
20# Try to match the kernel target.
21ifndef CONFIG_64BIT
22
23# s390 has -m31 flag to build 31 bit binaries
24ifndef CONFIG_S390
25MFLAG = -m32
26else
27MFLAG = -m31
28endif
29
30HOSTCFLAGS_bpf-direct.o += $(MFLAG)
31HOSTCFLAGS_dropper.o += $(MFLAG)
32HOSTCFLAGS_bpf-helper.o += $(MFLAG)
33HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
34HOSTLOADLIBES_bpf-direct += $(MFLAG)
35HOSTLOADLIBES_bpf-fancy += $(MFLAG)
36HOSTLOADLIBES_dropper += $(MFLAG)
37endif
38
39# Tell kbuild to always build the programs
40always := $(hostprogs-y)