xref: /linux/samples/seccomp/Makefile (revision 827634added7f38b7d724cab1dccdb2b004c13c3)
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 CROSS_COMPILE
22ifndef CONFIG_64BIT
23
24# s390 has -m31 flag to build 31 bit binaries
25ifndef CONFIG_S390
26MFLAG = -m32
27else
28MFLAG = -m31
29endif
30
31HOSTCFLAGS_bpf-direct.o += $(MFLAG)
32HOSTCFLAGS_dropper.o += $(MFLAG)
33HOSTCFLAGS_bpf-helper.o += $(MFLAG)
34HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
35HOSTLOADLIBES_bpf-direct += $(MFLAG)
36HOSTLOADLIBES_bpf-fancy += $(MFLAG)
37HOSTLOADLIBES_dropper += $(MFLAG)
38endif
39always := $(hostprogs-y)
40else
41# MIPS system calls are defined based on the -mabi that is passed
42# to the toolchain which may or may not be a valid option
43# for the host toolchain. So disable tests if target architecture
44# is MIPS but the host isn't.
45ifndef CONFIG_MIPS
46always := $(hostprogs-y)
47endif
48endif
49