Re: [Yaffs] building yaffs direct...

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Author: Charles Manning
Date:  
To: yaffs
Subject: Re: [Yaffs] building yaffs direct...
On Saturday 22 September 2012 00:02:50 Ed Sutter wrote:
> On 9/20/2012 8:22 PM, Charles Manning wrote:
> > On Friday 21 September 2012 11:32:26 Charles Manning wrote:
> >> On Friday 21 September 2012 08:19:16 Ed Sutter wrote:
> >>> On 9/20/2012 1:18 PM, Ed Sutter wrote:
> >>>> On 9/17/2012 1:17 PM, Ed Sutter wrote:
> >>>>> Hi,
> >>>>> What is the status of building "yaffs direct"? Based on a different
> >>>>> thread
> >>>>> (http://www.aleph1.co.uk/lurker/message/20120614.203459.f1b2edbf.en.h
> >>>>>t ml ), am
> >>>>> I correct to assume that this is under construction??
> >>>>>
> >>>>> I suppose I have two levels of non-standard complexity in my attempt
> >>>>> to do this...
> >>>>> First, I wanna build yaffs direct to run os-less.
> >>>>> Second I'd like to be able to build on Cygwin.
> >>>>>
> >>>>> I didn't find much text on this, so before I start building my own
> >>>>> makefile
> >>>>> I figured I'd ask if there is a documented procedure for doing this.
> >>>>>
> >>>>> Thanks,
> >>>>> Ed
> >>>>
> >>>> Following up on my own question...
> >>>> Does anyone have any experience with building yaffs-direct recently?
> >>
> >> I build it pretty much every day using Linux. I have built it in the
> >> past using cygwin, but not recently.
> >>
> >> I'll set up a Windows PC with Cygwin and give it a go today.
> >
> > I just set up a new Win7 PC with Cygwin and built yaffs direct with a few
> > minor issues.
> >
> > Here is what I did
> >
> > 1) Fetched the setup.exe from http://www.cygwin.com/.
> > 2) I first just ran it using defaults.
> > 3) I then added the gcc and gcc core packages by running setup.exe and
> > typing gcc in the search box, then selecting those packages.
> > 4) Then ran setup.exe again to install make.
> > 5) Went to http://yaffs.net/download-yaffs-using-git and fetched a
> > tarball. 6) Opened up a cygwin terminal and
> > 6a) untarred the tarball with
> > $ tar xvfz /cygdrive/c/User/charles/Downloads/yaffs....tar.gz\
> > 6b) cd to yaffs../direct
> > 6c) Ran the script there to copy through the yaffs core files
> > $ ./handle_common.sh copy
> > 6d) cd to basic-test
> > 6e) make
> >
> > At this point the make failed because the cygwin gcc I had installed did
> > not like many of the -W options. I edited the Makefile to comment these
> > out.
> >
> > make then ran fine and I got a program called directtest2k.exe which ran
> > fine.
> >
> > NB The step at 6b. In the Old Days this was not required since the same
> > sources were linked in. These days the core sources are run through a
> > simple sed filter to modify a few names.
> >
> >
> > I hope that helps.
> >
> > -- Charles
>
> Hmmm...
>
> Ok, I wasn't aware of the need to run that script (is that documented
> anywhere?); so
> my first step was to just run 'make' under direct/basic-test. It tried
> to set up a bunch of
> links, but that failed because the path of the source file in the ln
> line was off by one directory
> level. That obviously raised a warning flag in my head, but I worked
> around it,
> and managed to get the basic-test directory built. But I had to fix
> compile time errors to do that...
>
> Taking a step back and following your instructions (but now I'm on a
> linux box just to eliminate
> one level of complexity), I ran the "./handle_common.sh copy" script,
> then cd'd to basic-test
> and run make and still get the same errors...
>
> 1. yaffs_fileem2k.c:426:12: warning: `nread' may be used uninitialized
> in this function
> 2. yaffsfs.c:1610:5: error: "CONFIG_YAFFS_WINCE" is not defined
> Also, note that those link attempts in the makefile are still off by one
> directory level.
>
> These are all easily fixed problems, but I wasn't thinking I would run
> into these kinds
> of issues so quickly. Is there more than one tarball? I'm using
> yaffs2-HEAD-34292b4.tar,
> which is what I got from
> http://aleph1.co.uk/gitweb?p=yaffs2.git;a=snapshot;h=HEAD;
>


Some "interesting" things going on here....

I'll look into them.

Thanks

Charles