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https://github.com/edk2-porting/linux-next.git
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b25b09ecf9
On s390 the flag to force 31 builds is -m31 instead of -m32 unlike on all (?) other architectures. Fixes this compile error: HOSTCC samples/seccomp/bpf-direct.o cc1: error: unrecognized command line option "-m32" make[2]: *** [samples/seccomp/bpf-direct.o] Error 1 Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <james.l.morris@oracle.com>
41 lines
1.1 KiB
Makefile
41 lines
1.1 KiB
Makefile
# kbuild trick to avoid linker error. Can be omitted if a module is built.
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obj- := dummy.o
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hostprogs-$(CONFIG_SECCOMP_FILTER) := bpf-fancy dropper bpf-direct
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HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
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HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
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bpf-fancy-objs := bpf-fancy.o bpf-helper.o
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HOSTCFLAGS_dropper.o += -I$(objtree)/usr/include
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HOSTCFLAGS_dropper.o += -idirafter $(objtree)/include
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dropper-objs := dropper.o
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HOSTCFLAGS_bpf-direct.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include
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bpf-direct-objs := bpf-direct.o
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# Try to match the kernel target.
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ifndef CONFIG_64BIT
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# s390 has -m31 flag to build 31 bit binaries
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ifndef CONFIG_S390
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MFLAG = -m32
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else
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MFLAG = -m31
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endif
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HOSTCFLAGS_bpf-direct.o += $(MFLAG)
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HOSTCFLAGS_dropper.o += $(MFLAG)
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HOSTCFLAGS_bpf-helper.o += $(MFLAG)
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HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
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HOSTLOADLIBES_bpf-direct += $(MFLAG)
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HOSTLOADLIBES_bpf-fancy += $(MFLAG)
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HOSTLOADLIBES_dropper += $(MFLAG)
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endif
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# Tell kbuild to always build the programs
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always := $(hostprogs-y)
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