Date: Thu, 04 Jun 2009 12:25:01 -0400 From: Chuck Robey <chuckr@telenix.org> To: Vassilis Laganakos <vassilis.laganakos@yahoo.com> Cc: Guillaume Ballet <gballet@gmail.com>, freebsd-arm@freebsd.org Subject: Re: ARMv7 - EABI - Cross Compiler Message-ID: <4A27F55D.40101@telenix.org> In-Reply-To: <360403.90502.qm@web59402.mail.ac4.yahoo.com> References: <fd183dc60906040612td250b16gb8b289293bb85671@mail.gmail.com> <360403.90502.qm@web59402.mail.ac4.yahoo.com>
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Vassilis Laganakos wrote: > > >>> Doesn't xdev build the 4.2.1 version of gcc, like what's in the tree now? > >>> That's unacceptable to me, gcc didn't bring in support for the Cortex-A8 >>> processor until 4.3.0. I was able to build a cross-gcc easily using a target >> of >>> "arm-linux-gnueabi", but I'm not sure if that sort of gcc will do for building >>> FreeBSD. I'll worry about getting that gcc into the build, but will it work >> for >>> me on a binary basis? >>> >> I used arm-none-eabi to compile my loader for the BeagleBoard so as to >> get rid of the linux-specific stuff by default. But maybe you should >> define something like arm-freebsd-eabi in gcc's build configuration? >> Thanks SO much, giving me the info on the targets was the item I most badly needed, but you're the only fella who addressed that directly. Basically, you got rid of my single remaining problem (at the pre-build level, at least), it's something that no amount of Googling would show me. I'm so damned pleased! From all the hints I got, there appears to be vanishingly little chance of our tree going to gcc-4.3.+, because everyone wants to use LLVM. I don't stand against that, but I don't want to wait, either, and (as of today) llvm doesn't support the Cortex-A8 (it will soon). Actually, I'm rereading my Dragon book, so I can understand the llvm better. It does look to be better organized than gcc, from first glance. I can't find the code (outside ports) to build llvm, do you have any idea where it is? If it's in a p4 archive, you have a URL for it? ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ FORGET about the llvm question, I just saw the mail about it being imported to svn. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > The arm-none-eabi will give you stuff for bare-metal applications, and the > arm-linux-eabi (or arm-linux-gnueabi) will give you stuff for linux. For FreeBSD now, > from what I've read there is no arm-freebsd-eabi; I tried that when I built GCC 4.4.1 > and it wouldn't accept it. > > What I've build is arm-unknown-freebsd, although the "unknown" part could > be ommited. Please bear with me while I look for the URL I found the naming > conventions... > > Thanks, > Vasi > > > > >
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