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bpfilter: use 'userprogs' syntax to build bpfilter_umh

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The user mode helper should be compiled for the same architecture as
the kernel.

This Makefile reused the 'hostprogs' syntax by overriding HOSTCC with CC.
Use the new syntax 'userprogs' to fix the Makefile mess.

Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
This commit is contained in:
Masahiro Yamada committed 2020-05-17 18:52:01 +09:00
1 parent 7f3a59db27
commit 8a2cc0505c
1 file changed
+4 -8
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net/bpfilter/Makefile
+4 -8
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@@ -3,18 +3,14 @@
# Makefile for the Linux BPFILTER layer.
#
hostprogs := bpfilter_umh
userprogs := bpfilter_umh
bpfilter_umh-objs := main.o
KBUILD_HOSTCFLAGS += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi \
$(filter -m32 -m64, $(KBUILD_CFLAGS))
HOSTCC := $(CC)
userccflags += -I $(srctree)/tools/include/ -I $(srctree)/tools/include/uapi
ifeq ($(CONFIG_BPFILTER_UMH), y)
# builtin bpfilter_umh should be compiled with -static
# builtin bpfilter_umh should be linked with -static
# since rootfs isn't mounted at the time of __init
# function is called and do_execv won't find elf interpreter
KBUILD_HOSTLDFLAGS += -static $(filter -m32 -m64, $(KBUILD_CFLAGS))
endif
userldflags += -static
$(obj)/bpfilter_umh_blob.o: $(obj)/bpfilter_umh