Re: [Discuss-gnuradio] Re: unable to compile firmware with microblaze

[Eric Blossom]

On Tue, Oct 26, 2010 at 10:04:10PM -0400, Arun Pillai wrote:
> I am also trying to build the microblaze compiler from scratch but I
> am unable to get the patch from svn.
> 
> $ svn export 
> http://gnuradio.org/svn/gnuradio/trunk/dtools/microblaze/mb-gcc-4.1.1-gr-1.patch
> 
> svn: OPTIONS of 
> 'http://gnuradio.org/svn/gnuradio/trunk/dtools/microblaze/mb-gcc-4.1.1-gr-1.patch':
> 200 OK (http://gnuradio.org)
> 
> Where can I get this patch?
> 
> Arun

Arun,

The microblaze compiler has been quite an annoyance.

Although I haven't tried it yet, you may want to try the mb_gnu.git
project at http://git.xilinx.com

But see also below...


> On 10/26/2010 08:04 PM, Arun Pillai wrote:
> >I am running Ubuntu 10.10 2.6.35-22-generic with x86_64. I tried the
> >prebuilt binary as per instructions here:
> >http://gnuradio.org/redmine/wiki/gnuradio/USRP2UserFAQ
> >
> >Specifically, I did the following:
> >
> >================
> >$ wget http://gnuradio.org/tools/mb-gcc-4.1.1.gr2.i386.tar.gz
> >
> >Once you've downloaded the tarball,
> >
> >$ sudo bash
> ># cd /opt
> ># tar xzvf <path-to-tarball>
> >
> >Then add /opt/microblaze/bin to PATH ( export
> >PATH=$PATH:/opt/microblaze/bin )
> >==================
> >
> >However, when I run configure.gnu in the firmware directory, I get the
> >following error in config.log:
> >
> >configure:3134: error: in `/home/rahul/vmimo/code/gnuradio/usrp2/firmware':
> >configure:3137: error: C compiler cannot create executables
> >
> >When I also explicitly run:
> >
> >mb-gcc with our without explicit path qualifier of /opt/microblaze/bin/,
> >I get the following error:
> >
> >$ /opt/microblaze/bin% ./mb-gcc
> >zsh: no such file or directory: ./mb-gcc
> >
> >This despite the file existing:
> >
> >$ /opt/microblaze/bin% ls -l mb-gcc
> >-rwxr-xr-x 1 500 500 192961 2008-10-13 19:47 mb-gcc*
> >
> >Any ideas?

If you run 

  $ ldd /opt/microblaze/bin/mb-gcc

Are all of the shared libraries found?

It's a 32-bit app.  Depending on your OS and machine, you may need to
install 32-bit versions of the required libraries.

Eric