[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'

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209920

            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 at FreeBSD.org
          Reporter: markmi at dsl-only.net
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

--- all_subdir_cxgb ---
/usr/src/sys/modules/cxgb/tom/../../../dev/cxgb/ulp/tom/cxgb_listen.c:926:13:
error: redundant redeclaration of 'tcp_dooptions' [-Werror=redundant-decls]
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=yes for an external
toolchain.


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

TO_TYPE=amd64
TOOLS_TO_TYPE=x86_64
VERSION_CONTEXT=11.0
#
KERNCONF=GENERIC-NODEBUG
TARGET=${TO_TYPE}
.if ${.MAKE.LEVEL} == 0
TARGET_ARCH=${TO_TYPE}
.export TARGET_ARCH
.endif
#
WITHOUT_CROSS_COMPILER=
WITHOUT_SYSTEM_COMPILER=
#
WITH_LIBCPLUSPLUS=
WITHOUT_BINUTILS_BOOTSTRAP=
WITHOUT_CLANG_BOOTSTRAP=
WITH_CLANG=
WITH_CLANG_IS_CC=
WITH_CLANG_FULL=
WITH_CLANG_EXTRAS=
WITH_LLDB=
#PORTS_MODULES=emulators/virtualbox-ose-additions
#
#WITH_BOOT= for amd64-xtoolschain-gcc/amd64-gcc gets... 
# --- all_subdir_sys ---
# -994 bytes available
# *** [boot2] Error code 1
WITHOUT_BOOT=
WITH_LIB32=
#
WITHOUT_ELFTOOLCHAIN_BOOTSTRAP=
WITHOUT_GCC_BOOTSTRAP=
WITHOUT_GCC=
WITHOUT_GCC_IS_CC=
WITHOUT_GNUCXX=
#
NO_WERROR=
#WERROR=
MALLOC_PRODUCTION=
#
WITH_DEBUG_FILES=
#
#
# For TO (so-called "cross") stages . . .
# So-called-cross via ${TO_TYPE}-xtoolchain-gcc/${TO_TYPE}-gcc. . .
# TOOLS_TO_TYPE based on ${TO_TYPE}-xtoolchain-gcc related binutils. . .
#
CROSS_TOOLCHAIN=${TO_TYPE}-gcc
X_COMPILER_TYPE=gcc
CROSS_BINUTILS_PREFIX=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/
.if ${.MAKE.LEVEL} == 0
XCC=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-gcc
XCXX=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-g++
XCPP=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-cpp
.export XCC
.export XCXX
.export XCPP
XAS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/as
XAR=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ar
XLD=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ld
XNM=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/nm
XOBJCOPY=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objcopy
XOBJDUMP=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objdump
XRANLIB=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ranlib
XSIZE=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/size
#NO-SUCH: XSTRINGS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/strings
XSTRINGS=/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} == 0
CC=/usr/bin/clang
CXX=/usr/bin/clang++
CPP=/usr/bin/clang-cpp
.export CC
.export CXX
.export CPP
.endif

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