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Date:      Wed, 01 Jun 2016 05:28:21 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 209920] 11.0 -r300944 buildkernel via amd64-gcc fails for: .../dev/cxgb/ulp/tom/cxgb_listen.c:926:13: error: redundant redeclaration of 'tcp_dooptions'
Message-ID:  <bug-209920-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209920

            Bug ID: 209920
           Summary: 11.0 -r300944 buildkernel via amd64-gcc fails for:
                    .../dev/cxgb/ulp/tom/cxgb_listen.c:926:13: error:
                    redundant redeclaration of 'tcp_dooptions'
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: markmi@dsl-only.net
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org

--- all_subdir_cxgb ---
/usr/src/sys/modules/cxgb/tom/../../../dev/cxgb/ulp/tom/cxgb_listen.c:926:1=
3:
error: redundant redeclaration of 'tcp_dooptions' [-Werror=3Dredundant-decl=
s]
extern void tcp_dooptions(struct tcpopt *, u_char *, int, int);
            ^
In file included from
/usr/src/sys/modules/cxgb/tom/../../../dev/cxgb/ulp/tom/cxgb_listen.c:49:0:
/usr/src/sys/netinet/tcp_var.h:769:7: note: previous declaration of
'tcp_dooptions' was here
void  tcp_dooptions(struct tcpopt *, u_char *, int, int);
      ^
. . .
--- all_subdir_cxgb ---
cc1: all warnings being treated as errors
*** [cxgb_listen.o] Error code 1


I got this while experimenting with WITH_META_MODE=3Dyes for an external
toolchain.


src.conf details:
(Yes it has some redundancies.)

TO_TYPE=3Damd64
TOOLS_TO_TYPE=3Dx86_64
VERSION_CONTEXT=3D11.0
#
KERNCONF=3DGENERIC-NODEBUG
TARGET=3D${TO_TYPE}
.if ${.MAKE.LEVEL} =3D=3D 0
TARGET_ARCH=3D${TO_TYPE}
.export TARGET_ARCH
.endif
#
WITHOUT_CROSS_COMPILER=3D
WITHOUT_SYSTEM_COMPILER=3D
#
WITH_LIBCPLUSPLUS=3D
WITHOUT_BINUTILS_BOOTSTRAP=3D
WITHOUT_CLANG_BOOTSTRAP=3D
WITH_CLANG=3D
WITH_CLANG_IS_CC=3D
WITH_CLANG_FULL=3D
WITH_CLANG_EXTRAS=3D
WITH_LLDB=3D
#PORTS_MODULES=3Demulators/virtualbox-ose-additions
#
#WITH_BOOT=3D for amd64-xtoolschain-gcc/amd64-gcc gets...=20
# --- all_subdir_sys ---
# -994 bytes available
# *** [boot2] Error code 1
WITHOUT_BOOT=3D
WITH_LIB32=3D
#
WITHOUT_ELFTOOLCHAIN_BOOTSTRAP=3D
WITHOUT_GCC_BOOTSTRAP=3D
WITHOUT_GCC=3D
WITHOUT_GCC_IS_CC=3D
WITHOUT_GNUCXX=3D
#
NO_WERROR=3D
#WERROR=3D
MALLOC_PRODUCTION=3D
#
WITH_DEBUG_FILES=3D
#
#
# For TO (so-called "cross") stages . . .
# So-called-cross via ${TO_TYPE}-xtoolchain-gcc/${TO_TYPE}-gcc. . .
# TOOLS_TO_TYPE based on ${TO_TYPE}-xtoolchain-gcc related binutils. . .
#
CROSS_TOOLCHAIN=3D${TO_TYPE}-gcc
X_COMPILER_TYPE=3Dgcc
CROSS_BINUTILS_PREFIX=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/
.if ${.MAKE.LEVEL} =3D=3D 0
XCC=3D/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-gcc
XCXX=3D/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-g++
XCPP=3D/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-cpp
.export XCC
.export XCXX
.export XCPP
XAS=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/as
XAR=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ar
XLD=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ld
XNM=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/nm
XOBJCOPY=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objcopy
XOBJDUMP=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objdump
XRANLIB=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ranlib
XSIZE=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/size
#NO-SUCH: XSTRINGS=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/strings
XSTRINGS=3D/usr/local/bin/${TOOLS_TO_TYPE}-freebsd-strings
.export XAS
.export XAR
.export XLD
.export XNM
.export XOBJCOPY
.export XOBJDUMP
.export XRANLIB
.export XSIZE
.export XSTRINGS
.endif
#
#
# From based on clang (via system). . .
#
.if ${.MAKE.LEVEL} =3D=3D 0
CC=3D/usr/bin/clang
CXX=3D/usr/bin/clang++
CPP=3D/usr/bin/clang-cpp
.export CC
.export CXX
.export CPP
.endif

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