* Alexey Brodkin <alexey.brod...@synopsys.com> [2018-05-16 22:42:36 +0300]:
> We used to build baremetal (AKA Elf32) multilibbed toolchains for years > now but never made that for Linux targets since there were problems with > uClibc n multilib setup. Now with help of Crosstool-NG it is finally > possible to create uClibc-based multilibbed toolchains and so we add > relevant CPUs for multilib in case of configuration for "arc*-*-linux*". > > This will be essentially useful for glibc-based multilibbbed toolchains > in the future. > > gcc/ > 2018-05-16 Alexey Brodkin <abrod...@synopsys.com> > > * config.gcc: Add arc/t-multilib-linux to tmake_file for > arc*-*-linux*. > * config/arc/t-multilib-linux: Specify MULTILIB_OPTIONS and > MULTILIB_DIRNAMES Looks good. Thanks, Andrew > --- > gcc/config.gcc | 2 +- > gcc/config/arc/t-multilib-linux | 25 +++++++++++++++++++++++++ > 2 files changed, 26 insertions(+), 1 deletion(-) > create mode 100644 gcc/config/arc/t-multilib-linux > > diff --git a/gcc/config.gcc b/gcc/config.gcc > index a5defb0f0058..8e038a72f613 100644 > --- a/gcc/config.gcc > +++ b/gcc/config.gcc > @@ -1059,7 +1059,7 @@ arc*-*-elf*) > ;; > arc*-*-linux*) > tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h > linux-android.h glibc-stdint.h arc/linux.h ${tm_file}" > - tmake_file="${tmake_file} arc/t-arc" > + tmake_file="${tmake_file} arc/t-multilib-linux arc/t-arc" > extra_gcc_objs="driver-arc.o" > if test "x$with_cpu" != x; then > tm_defines="${tm_defines} TARGET_CPU_BUILD=PROCESSOR_$with_cpu" > diff --git a/gcc/config/arc/t-multilib-linux b/gcc/config/arc/t-multilib-linux > new file mode 100644 > index 000000000000..f357cfc3f926 > --- /dev/null > +++ b/gcc/config/arc/t-multilib-linux > @@ -0,0 +1,25 @@ > +# Copyright (C) 2018 Free Software Foundation, Inc. > +# > +# This file is part of GCC. > +# > +# GCC is free software; you can redistribute it and/or modify it under > +# the terms of the GNU General Public License as published by the Free > +# Software Foundation; either version 3, or (at your option) any later > +# version. > +# > +# GCC is distributed in the hope that it will be useful, but WITHOUT ANY > +# WARRANTY; without even the implied warranty of MERCHANTABILITY or > +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License > +# for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with GCC; see the file COPYING3. If not see > +# <http://www.gnu.org/licenses/>. > + > +MULTILIB_OPTIONS = > mcpu=hs/mcpu=archs/mcpu=hs38/mcpu=hs38_linux/mcpu=arc700/mcpu=nps400 > + > +MULTILIB_DIRNAMES = hs archs hs38 hs38_linux arc700 nps400 > + > +# Aliases: > +MULTILIB_MATCHES += mcpu?arc700=mA7 > +MULTILIB_MATCHES += mcpu?arc700=mARC700 > -- > 2.17.0 >