[This is based on buildworld buildkernel and installing.]
I've updated to:
# uname -apKU
FreeBSD pine64 12.0-ALPHA7 FreeBSD 12.0-ALPHA7 #17 r338921M: Mon Sep 24
19:19:08 PDT 2018
markmi@pine64:/usr/obj/cortexA53_clang/arm64.aarch64/usr/src/arm64.aarch64/sys/GENERIC-NODBG
arm64 aarch64 1200084 1200084
For which:
# ld -v
LLD 6.0.1 (FreeBSD 335540-124) (compatible with GNU linkers)
But man ld reports GNU/BFD material:
# man ld
LD(1)GNU Development Tools LD(1)
NAME
ld - The GNU linker
SYNOPSIS
ld [options] objfile ...
DESCRIPTION
. . .
This man page does not describe the command language; see the ld entry
in "info" for full details on the command language and on other aspects
of the GNU linker.
This version of ld uses the general purpose BFD libraries to operate on
object files. . . .
Aside from its flexibility, the GNU linker is more helpful than other
linkers in providing diagnostic information. . . .
The GNU linker ld is meant to cover a broad range of situations, and to
be as compatible as possible with other linkers. As a result, you have
many choices to control its behavior.
. . .
(I do not see such in my amd64 builds.)
I'm not claiming this is new: I just noticed.
For reference on the Pine64+ 2GB aarch64 system
being used for this (avoiding >>> prefixes on lines):
#
~/sys_build_scripts.aarch64-host/make_cortexA53_nodebug_clang_bootstrap-aarch64-host.sh
check-old
Script started, output file is
/root/sys_typescripts/typescript_make_cortexA53_nodebug_clang_bootstrap-aarch64-host-2018-09-24:22:53:10
... Checking for old files
... Checking for old libraries
... Checking for old directories
To remove old files and directories run 'make delete-old'.
To remove old libraries run 'make delete-old-libs'.
Script done, output file is
/root/sys_typescripts/typescript_make_cortexA53_nodebug_clang_bootstrap-aarch64-host-2018-09-24:22:53:10
(So I'd run delete-old before this.)
# more
~/sys_build_scripts.aarch64-host/make_cortexA53_nodebug_clang_bootstrap-aarch64-host.sh
kldload -n filemon && \
script
~/sys_typescripts/typescript_make_cortexA53_nodebug_clang_bootstrap-aarch64-host-$(date
+%Y-%m-%d:%H:%M:%S) \
env __MAKE_CONF="/root/src.configs/make.conf" \
SRCCONF="/dev/null"
SRC_ENV_CONF="/root/src.configs/src.conf.cortexA53-clang-bootstrap.aarch64-host"
\
WITH_META_MODE=yes \
MAKEOBJDIRPREFIX="/usr/obj/cortexA53_clang/arm64.aarch64" \
make $*
# more ~/src.configs/src.conf.cortexA53-clang-bootstrap.aarch64-host
TO_TYPE=aarch64
#
KERNCONF=GENERIC-NODBG
TARGET=arm64
.if ${.MAKE.LEVEL} == 0
TARGET_ARCH=${TO_TYPE}
.export TARGET_ARCH
.endif
#
#WITH_CROSS_COMPILER=
WITH_SYSTEM_COMPILER=
WITH_SYSTEM_LINKER=
#
#CPUTYPE=soft
WITH_LIBCPLUSPLUS=
#WITH_LLD_BOOTSTRAP=
WITHOUT_BINUTILS_BOOTSTRAP=
WITH_ELFTOOLCHAIN_BOOTSTRAP=
#WITH_CLANG_BOOTSTRAP=
WITH_CLANG=
WITH_CLANG_IS_CC=
WITH_CLANG_FULL=
WITH_CLANG_EXTRAS=
WITH_LLD=
WITH_LLD_IS_LD=
WITHOUT_BINUTILS=
WITH_LLDB=
#
WITH_BOOT=
WITHOUT_LIB32=
#
WITHOUT_GCC_BOOTSTRAP=
WITHOUT_GCC=
WITHOUT_GCC_IS_CC=
WITHOUT_GNUCXX=
#
NO_WERROR=
#WERROR=
MALLOC_PRODUCTION=
#
WITH_REPRODUCIBLE_BUILD=
WITH_DEBUG_FILES=
#
# Use of the .clang 's here avoids
# interfering with other CFLAGS
# usage, such as ?= usage.
CFLAGS.clang+= -mcpu=cortex-a53
CXXFLAGS.clang+= -mcpu=cortex-a53
CPPFLAGS.clang+= -mcpu=cortex-a53
ACFLAGS.arm64cpuid.S+= -mcpu=cortex-a53+crypto
ACFLAGS.aesv8-armx.S+= -mcpu=cortex-a53+crypto
ACFLAGS.ghashv8-armx.S+=-mcpu=cortex-a53+crypto
# more ~/src.configs/make.conf
CFLAGS.gcc+= -v
LDFLAGS.lld+= -Wl,--no-threads
===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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