linux-kernel - Re: Unify the various copies of libgcc into lib

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Message-ID: <23396.1495633764@warthog.procyon.org.uk>
Date:   Wed, 24 May 2017 14:49:24 +0100
From:   David Howells <dhowells@...hat.com>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     dhowells@...hat.com, monstr@...str.eu, ralf@...ux-mips.org,
        liqin.linux@...il.com, lennox.wu@...il.com,
        ysato@...rs.sourceforge.jp, dalias@...c.org, davem@...emloft.net,
        linux-mips@...ux-mips.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, geert@...ux-m68k.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: Unify the various copies of libgcc into lib

Palmer Dabbelt <palmer@...belt.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