CURRENT does not compile on i386

[Pierre-Yves Péneau]

Hi everyone,

I am trying to compile FreeBSD-CURRENT downloaded from
https://svn.freebsd.org/base/head. The source tree is at revision
296654. The command to build is the following:

> make buildkernel KERNEL=GENERIC -j 2

The compilation failed with this message:

> ===> bxe (all)
> --- bxe.o ---
> cc -O2 -pipe -Wno-shift-negative-value -fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE -nostdinc -I/usr/src/sys/dev/bxe -DHAVE_KERNEL_OPTION_HEADERS -include /usr/obj/usr/src/sys/GENERIC/opt_global.h -I. -I/usr/src/sys -fno-common -g -I/usr/obj/usr/src/sys/GENERIC -mno-mmx -mno-sse -msoft-float -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -mno-aes -mno-avx -std=iso9899:1999 -c /usr/src/sys/dev/bxe/bxe.c -o bxe.o
> error: unknown warning option '-Wno-shift-negative-value'; did you mean '-Wno-shift-sign-overflow'? [-Werror,-Wunknown-warning-option]
> *** [bxe.o] Error code 1
> 
> make[4]: stopped in /usr/src/sys/modules/bxe
> 1 error

I am running FreeBSD-10.2 on i386 (fresh install from yesterday):

> root at beastie:/usr/src # uname -a
> FreeBSD beastie 10.2-RELEASE FreeBSD 10.2-RELEASE #1 r296608M: Thu Mar 10 14:42:55 CET 2016 pierre-yves at beastie:/usr/obj/usr/src/sys/GENERIC i386

I am using the default compiler:

> root at beastie:/usr/src # clang -v
> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
> Target: i386-unknown-freebsd10.2
> Thread model: posix
> Selected GCC installation:

Am I doing something wrong ? I read the official documentation and it
looks like I am using the good way to compile the FreeBSD kernel.

Thank you.

-- 
+-------------------------------------------------------------+
| Pierre-Yves Péneau - PhD student |  first.last at lirmm.fr  |
| LIRMM / CNRS - SYSMIC team       |    + 33 4 67 41 85 85    |
| Building 4 Office H2.2           |    http://walafc0.org    |
+-------------------------------------------------------------+

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