Date: Wed, 17 Jun 2009 16:23:58 -0700 (PDT) From: Vassilis Laganakos <vassilis.laganakos@yahoo.com> To: Mark Tinguely <tinguely@casselton.net>, freebsd-arm@freebsd.org Subject: Re: ARMv7 - EABI - Cross Compiler Message-ID: <523661.6738.qm@web59407.mail.ac4.yahoo.com> In-Reply-To: <200906152104.n5FL4HYR013525@casselton.net> References: <200906152104.n5FL4HYR013525@casselton.net>
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> In case any of the Cortex/v7 projects or anyone else is interested, I have
> gcc-4.5 cross compiling the current GUMSTIX kernel on a i386 FreeBSD 6.4
> computer (QEMU runs better under FreeBSD 6.4) - I have not tried the libs
> yet to a "build world".
>
That's nice Mark, good job :o)
> The kernel sources need some FreeBSD (format and at least one built-in define)
> extensions to compile that are not in the standard gcc. Besides the extensions
> that I copied over the code to put the binaries in the standard, reasonable
> places /usr/cross/libexec/cc1, for example).
>
> Gcc 4.5 -O option found a few inline and structure warnings, that required
> either the removal of the -O option or -Werror option for these files.
> I chose to remove the -Werror. The warnings are:
>
> wanted to add parenthesis around the &:
> ddb/db_ps.c
>
> -O detects inline optimizations in the files:
> devfs_vnops.c pseudofs_vnops.c kern_descrip.c kern_jail.c sys_pipe.c
> tty.c uipc_mbuf.c vfs_default.c vfs_lookup.c vfs_mount.c vfs_syscalls.c
> ffs_snapshot.c trap.c pmap.c
>
> variably modified in the definition of a structure (and some inline opt):
> ufs_dirhash.c ufs_inode.c ufs_lookup.c ufs_vfsops.c ufs_vnops.c
>
I don't know what are the changes from previous versions of GCC with the trunk.
Maybe the release notes have more info on this....
> I made changes to the gcc-4.5-20090528 directory and the build directory.
> I will look at the libraries too.
>
Cool!
Kind regards,
Vassilis L.
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