ARMv7 - EABI - Cross Compiler

[Vassilis Laganakos]

> 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.