On Thu, Jan 31, 2019 at 12:15:35PM +0900, Masahiro Yamada wrote:
> Currently, the header search paths -Itools/include and
> -Itools/include/uapi are not used. Let's drop the unused code.
>
> We can remove -I. too by fixing up one C file.
>
This patch reintroduces the problem last fixed with commit ae40832e53c3
("bpfilter: fix a build err"). Seen (at least) with gcc 7.4.0, 8.2.0.
binutils version is 2.31.1. Reverting this patch fixes the problem.
Guenter
> Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
> Signed-off-by: David S. Miller <da...@davemloft.net>
> ---
> net/bpfilter/Makefile | 1 -
> net/bpfilter/main.c | 2 +-
> 2 files changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/net/bpfilter/Makefile b/net/bpfilter/Makefile
> index 0947ee7f70d5..5d6c7760142d 100644
> --- a/net/bpfilter/Makefile
> +++ b/net/bpfilter/Makefile
> @@ -5,7 +5,6 @@
>
> hostprogs-y := bpfilter_umh
> bpfilter_umh-objs := main.o
> -KBUILD_HOSTCFLAGS += -I. -Itools/include/ -Itools/include/uapi
> HOSTCC := $(CC)
>
> ifeq ($(CONFIG_BPFILTER_UMH), y)
> diff --git a/net/bpfilter/main.c b/net/bpfilter/main.c
> index 1317f108df8a..61ce8454a88e 100644
> --- a/net/bpfilter/main.c
> +++ b/net/bpfilter/main.c
> @@ -6,7 +6,7 @@
> #include <sys/socket.h>
> #include <fcntl.h>
> #include <unistd.h>
> -#include "include/uapi/linux/bpf.h"
> +#include "../../include/uapi/linux/bpf.h"
> #include <asm/unistd.h>
> #include "msgfmt.h"
>
> --
> 2.7.4
