1 # SPDX-License-Identifier: GPL-2.0 !! 1 # kbuild trick to avoid linker error. Can be omitted if a module is built.
2 userprogs-always-y += bpf-fancy dropper bpf-di !! 2 obj- := dummy.o
3 3
>> 4 hostprogs-$(CONFIG_SECCOMP_FILTER) := bpf-fancy dropper bpf-direct
>> 5
>> 6 HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
>> 7 HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
>> 8 HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
>> 9 HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
4 bpf-fancy-objs := bpf-fancy.o bpf-helper.o 10 bpf-fancy-objs := bpf-fancy.o bpf-helper.o
5 11
6 userccflags += -I usr/include !! 12 HOSTCFLAGS_dropper.o += -I$(objtree)/usr/include
>> 13 HOSTCFLAGS_dropper.o += -idirafter $(objtree)/include
>> 14 dropper-objs := dropper.o
>> 15
>> 16 HOSTCFLAGS_bpf-direct.o += -I$(objtree)/usr/include
>> 17 HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include
>> 18 bpf-direct-objs := bpf-direct.o
>> 19
>> 20 # Try to match the kernel target.
>> 21 ifndef CROSS_COMPILE
>> 22 ifndef CONFIG_64BIT
>> 23
>> 24 # s390 has -m31 flag to build 31 bit binaries
>> 25 ifndef CONFIG_S390
>> 26 MFLAG = -m32
>> 27 else
>> 28 MFLAG = -m31
>> 29 endif
>> 30
>> 31 HOSTCFLAGS_bpf-direct.o += $(MFLAG)
>> 32 HOSTCFLAGS_dropper.o += $(MFLAG)
>> 33 HOSTCFLAGS_bpf-helper.o += $(MFLAG)
>> 34 HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
>> 35 HOSTLOADLIBES_bpf-direct += $(MFLAG)
>> 36 HOSTLOADLIBES_bpf-fancy += $(MFLAG)
>> 37 HOSTLOADLIBES_dropper += $(MFLAG)
>> 38 endif
>> 39 always := $(hostprogs-y)
>> 40 else
>> 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.
>> 45 ifndef CONFIG_MIPS
>> 46 always := $(hostprogs-y)
>> 47 endif
>> 48 endif
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