linux-kernel - Re: [PATCH v2 00/29] nios2 Linux kernel port

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Message-ID: <20544.1405434031@warthog.procyon.org.uk>
Date:	Tue, 15 Jul 2014 15:20:31 +0100
From:	David Howells <dhowells@...hat.com>
To:	Richard Weinberger <richard.weinberger@...il.com>
Cc:	dhowells@...hat.com, Ley Foon Tan <lftan@...era.com>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	LeyFoon Tan <lftan.linux@...il.com>, cltang@...esourcery.com
Subject: Re: [PATCH v2 00/29] nios2 Linux kernel port

Richard Weinberger <richard.weinberger@...il.com> wrote:

> Having it on https://www.kernel.org/pub/tools/crosstool/ would be also nice.

Does the Fedora cross-compiler suite fit with your set?  All the fedora
cross-compilers are build from a single pair of SRPMS into a slew of binary
RPMs and none of the resulting RPMs are relocatable (they all end up in /usr).

The easiest way to install them is:

	yum install gcc-\*-linux-gnu

For reference, the current rawhide SRPMs can be found here:

	https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/source/SRPMS/c/cross-binutils-2.24-4.fc21.src.rpm
	https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/source/SRPMS/c/cross-gcc-4.9.0-3.fc21.src.rpm

I haven't yet pushed the NIOS2 arch changes (I'm waiting on a fix to allow me
to build libgcc for Cris).

I haven't applied any of your patches, though I do apply the same patches that
are applied to the core Fedora binutils and gcc.  Note that this URL linked to
on your page:

	https://www.kernel.org/pub/tools/crosstool/patches/

does not seem to exist.

The compilers that I have managed to produce and install on my system are:

	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-sh64-linux-gnu
	gcc-sparc64-linux-gnu
	gcc-tile-linux-gnu
	gcc-x86_64-linux-gnu
	gcc-xtensa-linux-gnu

All but cris, nios2, sh, sh64 and tile have a collection of libgcc built.

I don't build i386, mips, powerpc, s390, sh4 and sparc as these are covered by
the ones I do build.

gcc doesn't support Metag or Openrisc, it considers Score obsolete and
Hexagon and Unicore32 don't seem to have suitable binutils support.

David
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