Date: Sun, 27 Nov 2016 19:10:35 -0800 From: Mark Millard <markmi@dsl-only.net> To: Bryan Drewery <bdrewery@FreeBSD.org> Cc: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: WITH_CLANG_BOOTSTRAP= for TARGET_ARCH=powerpc64 but bound to devel/powerpc64-binutils : can such be done? Message-ID: <864D23CD-58C5-4E38-89E7-DAE0A3DEA71A@dsl-only.net> In-Reply-To: <6CB31FDE-DA0E-46AD-BFB1-69B9A9DBC4E1@dsl-only.net> References: <6CB31FDE-DA0E-46AD-BFB1-69B9A9DBC4E1@dsl-only.net>
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[Looks like I misread something so. . .]
On 2016-Nov-27, at 4:34 PM, Mark Millard <markmi@dsl-only.net> wrote:
> Currently head has switched to clang 3.9.0 but my
> TARGET_ARCH=3Dpowerpc64for clang experiments for buildworld are =
blocked
> by WITH_BINUTILS_BOOTSTRAP=3D 's ld stopping the buildworld via =
failing
> asserts.
>=20
> What I'd like to do is build the bootstrap clang but bound to a
> devel/powerpc64-binutils vintage to see if that works. So binutils
> being "cross tool chain" (even when directly invoked by clang) but
> clang itself not being cross tool chain but bootstrapped?
>=20
> (elftoolchain may need to be considered with binutils.)
>=20
> Do you know if there is a way for me to make assignments in a
> SRC_ENV_CONF file that might enable such a combination? Or
> do I need to modify the build environment to be non-standard?
>=20
> So far in my reading /usr/src/Makefile.inc1 I've not seen any
> combination of settings that look like it would go through and
> work for what I've described here.
I misread something and the following seems to have worked:
(I tend to be explicit about some things that I do not need
to be in such files: it helps em remember and understand some
issues.)
# more =
~/src.configs/src.conf.powerpc64-clang_altbinutils-bootstrap.amd64-host=20=
TO_TYPE=3Dpowerpc64
TOOLS_TO_TYPE=3D${TO_TYPE}
VERSION_CONTEXT=3D12.0
#
KERNCONF=3DGENERIC64vtsc-NODBG
TARGET=3Dpowerpc
.if ${.MAKE.LEVEL} =3D=3D 0
TARGET_ARCH=3D${TO_TYPE}
.export TARGET_ARCH
.endif
#
WITH_CROSS_COMPILER=3D
WITHOUT_SYSTEM_COMPILER=3D
#
WITH_LIBCPLUSPLUS=3D
WITHOUT_BINUTILS_BOOTSTRAP=3D
WITH_CLANG_BOOTSTRAP=3D
WITH_CLANG=3D
WITH_CLANG_IS_CC=3D
WITH_CLANG_FULL=3D
WITH_CLANG_EXTRAS=3D
WITH_LLDB=3D
#
WITH_BOOT=3D
# world32/usr/src/lib/csu/powerpc/crti.o got:
# csu/powerpc/crti.S:34:13: error: unexpected token in memory operand
# csu/powerpc/crti.S:35:2: error: invalid instruction mnemonic 'mflr'
# and the like. So avoid LIB32.
WITHOUT_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 ${TO_TYPE}-xtoolchain-gcc related binutils. . .
#
CROSS_BINUTILS_PREFIX=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/
.if ${.MAKE.LEVEL} =3D=3D 0
XAS=3D/usr/local/${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
#
#
# =46rom 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
I have not tested what the buildworld produced yet.
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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