diff options
Diffstat (limited to 'net/bpfilter')
| -rw-r--r-- | net/bpfilter/Kconfig | 6 | ||||
| -rw-r--r-- | net/bpfilter/Makefile | 11 |
2 files changed, 9 insertions, 8 deletions
diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig index fed9290e3b41..84015ef3ee27 100644 --- a/net/bpfilter/Kconfig +++ b/net/bpfilter/Kconfig @@ -9,8 +9,12 @@ menuconfig BPFILTER if BPFILTER config BPFILTER_UMH tristate "bpfilter kernel module with user mode helper" - depends on CC_CAN_LINK + depends on CC_CAN_LINK_STATIC default m help This builds bpfilter kernel module with embedded user mode helper + + Note: your toolchain must support building static binaries, since + rootfs isn't mounted at the time when __init functions are called + and do_execv won't be able to find the elf interpreter. endif diff --git a/net/bpfilter/Makefile b/net/bpfilter/Makefile index 36580301da70..f23b53294fba 100644 --- a/net/bpfilter/Makefile +++ b/net/bpfilter/Makefile @@ -3,17 +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 -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 -endif +userldflags += -static $(obj)/bpfilter_umh_blob.o: $(obj)/bpfilter_umh |