Re: Unify the various copies of libgcc into lib

From	David Howells <dhowells@redhat.com>
Newsgroups	linux.kernel
Subject	Re: Unify the various copies of libgcc into lib
Date	2017-05-24 15:50 +0200
Message-ID	<tKEPM-2YG-25@gated-at.bofh.it> (permalink)
References	<tKqa6-18X-11@gated-at.bofh.it>
Organization	Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903

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Palmer Dabbelt <palmer@dabbelt.com> wrote:

> ... Unfortunately I don't actually have all these cross compilers setup...

If you have Fedora, you have the following available as standard RPMs:

	gcc-aarch64-linux-gnu
	gcc-alpha-linux-gnu
	gcc-arm-linux-gnu
	gcc-avr32-linux-gnu
	gcc-bfin-linux-gnu
	gcc-c6x-linux-gnu
	gcc-cris-linux-gnu
	gcc-frv-linux-gnu
	gcc-h8300-linux-gnu
	gcc-hppa-linux-gnu
	gcc-hppa64-linux-gnu
	gcc-ia64-linux-gnu
	gcc-m32r-linux-gnu
	gcc-m68k-linux-gnu
	gcc-microblaze-linux-gnu
	gcc-mips64-linux-gnu
	gcc-mn10300-linux-gnu
	gcc-nios2-linux-gnu
	gcc-powerpc64-linux-gnu
	gcc-ppc64-linux-gnu
	gcc-s390x-linux-gnu
	gcc-sh-linux-gnu
	gcc-sparc64-linux-gnu
	gcc-tile-linux-gnu
	gcc-xtensa-linux-gnu

They're built from the same sources as the gcc rpm (and the matching binutils
cross rpms are built from the same sources as the binutils rpm) - it's only
the spec file that's different, and they lag a bit behind the core
gcc/binutils as they only get updated after those change.

So in Fedora 25 these are all gcc-6 and in Fedora 26 they're all gcc-7.

David

Thread

Unify the various copies of libgcc into lib Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
  [PATCH 1/7] lib: Add shared copies of some GCC library routines Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
    Re: [PATCH 1/7] lib: Add shared copies of some GCC library routines Matt Redfearn <matt.redfearn@imgtec.com> - 2017-05-24 11:00 +0200
      Re: [PATCH 1/7] lib: Add shared copies of some GCC library routines Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-03 04:20 +0200
  [PATCH 3/7] microblaze: Use libgcc files from lib/ Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
    Re: [PATCH 3/7] microblaze: Use libgcc files from lib/ kbuild test robot <lkp@intel.com> - 2017-05-24 13:30 +0200
  [PATCH 2/7] m32r: Use lib/ucmpdi2.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
  [PATCH 6/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
    Re: [PATCH 6/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c kbuild test robot <lkp@intel.com> - 2017-05-24 13:30 +0200
    Re: [PATCH 6/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c kbuild test robot <lkp@intel.com> - 2017-05-24 13:40 +0200
  [PATCH 7/7] sparc: Use lib/{cmpdi2,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
  [PATCH 5/7] score: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
  [PATCH 4/7] mips: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-05-24 00:10 +0200
    Re: [PATCH 4/7] mips: Use  lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Matt Redfearn <matt.redfearn@imgtec.com> - 2017-05-24 11:10 +0200
      Re: [PATCH 4/7] mips: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-03 04:20 +0200
    Re: [PATCH 4/7] mips: Use  lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c kbuild test robot <lkp@intel.com> - 2017-05-24 13:50 +0200
    Re: [PATCH 4/7] mips: Use  lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c kbuild test robot <lkp@intel.com> - 2017-05-24 14:00 +0200
  Re: Unify the various copies of libgcc into lib Geert Uytterhoeven <geert@linux-m68k.org> - 2017-05-24 11:30 +0200
    Re: Unify the various copies of libgcc into lib Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-03 05:10 +0200
  Re: Unify the various copies of libgcc into lib David Howells <dhowells@redhat.com> - 2017-05-24 15:50 +0200
    Re: Unify the various copies of libgcc into lib John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> - 2017-05-24 16:10 +0200
  [PATCH 1/7] lib: Add shared copies of some GCC library routines Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
  [PATCH 2/7] m32r: Use lib/ucmpdi2.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
  Unify the various copies of libgcc into lib v2 Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
    [PATCH 3/7] microblaze: Use libgcc files from lib/ Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
    [PATCH 6/7] sparc: Use lib/{cmpdi2,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
    [PATCH 5/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
    [PATCH 4/7] score: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200
    [PATCH 7/7] MIPS: Use generic libgcc intrinsics Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-06 21:20 +0200

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