Hello world fails

Tue Jul 11 15:53:46 UTC 2023

Thanks for the response.  However, I think I need a little clarification.

In https://docs.rtems.org/branches/master/user/start/app.html, it says:

./waf configure --rtems=$HOME/quick-start/rtems/6 --rtems-bsp=sparc/erc32

My prefix is: '$HOME/src/rtems', so I used ' ./waf configure --rtems=$HOME/src/rtems/quick-start/rtems/6 --rtems-bsp=sparc/erc32'.

I believe this is equivalent to what you suggested, except that you have '--rtems-bsps' instead of '--rtems-bsp' (I think mine is the correct syntax).

As for "pointing to the share directory', I didn't do that - that was the error message printed when I tried to configure.

I'm not sure what you mean by pointing to the wrong directories - I followed the web page directions specifically.  However, I also admit I may have done something incorrectly, so if you could point to the thing I should change, I'm glad to do so :-)

Thanks again,
Brett

________________________________
From: Joel Sherrill <joel at rtems.org>
Sent: Tuesday, July 11, 2023 9:24 AM
To: Brett Sterling <brett.sterling at odysseysr.com>
Cc: users at rtems.org <users at rtems.org>
Subject: Re: Hello world fails

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On Tue, Jul 11, 2023 at 8:35 AM Brett Sterling <brett.sterling at odysseysr.com<mailto:brett.sterling at odysseysr.com>> wrote:
I've been working my way through the 'Quick Start' and everything was going pretty well until https://docs.rtems.org/branches/master/user/start/app.html<https://usg02.safelinks.protection.office365.us/?url=https%3A%2F%2Fdocs.rtems.org%2Fbranches%2Fmaster%2Fuser%2Fstart%2Fapp.html&data=05%7C01%7C%7C9a9d0447d98344cc537b08db8222f881%7Cd761ffacf6be45b88f6f288a59577095%7C0%7C0%7C638246858946228580%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Dtgvw78TAZm5ncZnXGqqzGYs6jVioD%2Bn441t34HP%2F%2Bw%3D&reserved=0>.

I get to the point where I'm supposed to 'configure', and I get the following:

~/src/rtems/quick-start/app/hello$ ./waf configure --rtems=$HOME/src/rtems/quick-start/rtems/6 --rtems-bsp=sparc/erc32
Setting top to                           : /home/bsterling/src/rtems/quick-start/app/hello
Setting out to                           : /home/bsterling/src/rtems/quick-start/app/hello/build
RTEMS path is not valid, "/home/bsterling/src/rtems/quick-start/rtems/6/share/rtems6" not found.
(complete log in /home/bsterling/src/rtems/quick-start/app/hello/build/config.log)

 I have this in my handy scripts for building rtems-examples:

CPU=powerpc
BSP=psim
./waf configure --rtems=${HOME}/rtems-work/tools/6/bsp-install \
                    --rtems-tools=${HOME}/rtems-work/tools/6 \
                    --rtems-bsps=${CPU}/${BSP}

That --rtems points to the --prefix directory you used when you built and installed RTEMS.
This is from my install:

$ pwd
/home/joel/rtems-work/tools/6/bsp-install/sparc-rtems6/leon3
$ ls
lib  make  Makefile.inc

--rtems-tools directory should have a bin/TARGET-gcc under it.

--rtems-bsps looks OK

I think you have just pointed to the wrong directories. It should be similar to
how I build rtems-examples.

--joel

I have verified that all of the source files contain only what is described on that page.

When I look in the rtems/6/share directory, I have the following:

~/src/rtems/quick-start/rtems/6/share$ ls -l
total 32
drwxr-xr-x 3 bsterling osr 4096 Jul 10 14:39 doc
drwxr-xr-x 3 bsterling osr 4096 Jul 10 15:00 gcc-12.3.1
drwxr-xr-x 5 bsterling osr 4096 Jul 10 15:02 gdb
drwxr-xr-x 2 bsterling osr 4096 Jul 10 15:01 iconv_data
drwxr-xr-x 2 bsterling osr 4096 Jul 10 15:02 info
drwxr-xr-x 2 bsterling osr 4096 Jul 10 14:43 locale
drwxr-xr-x 5 bsterling osr 4096 Jul 10 15:00 man
drwxr-xr-x 9 bsterling osr 4096 Jul 10 15:02 rtems

Normally you don't point all the way down to share directory

I tried renaming 'rtems' to 'rtems6', but that resulted in the following errors:

~/src/rtems/quick-start/app/hello$ ./waf configure --rtems=$HOME/src/rtems/quick-start/rtems/6 --rtems-bsp=sparc/erc32
Setting top to                           : /home/bsterling/src/rtems/quick-start/app/hello
Setting out to                           : /home/bsterling/src/rtems/quick-start/app/hello/build
Traceback (most recent call last):
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Scripting.py", line 119, in waf_entry_point
    run_commands()
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Scripting.py", line 182, in run_commands
    ctx=run_command(cmd_name)
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Scripting.py", line 173, in run_command
    ctx.execute()
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Configure.py", line 85, in execute
    super(ConfigurationContext,self).execute()
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Context.py", line 92, in execute
    self.recurse([os.path.dirname(g_module.root_path)])
  File "/home/bsterling/src/rtems/quick-start/app/hello/.waf3-2.0.19-1f3c580272b15a03d2566843c5fe872a/waflib/Context.py", line 133, in recurse
    user_function(self)
  File "/home/bsterling/src/rtems/quick-start/app/hello/wscript", line 26, in configure
    rtems.configure(conf, bsp_configure = bsp_configure)
  File "/home/bsterling/src/rtems/quick-start/app/hello/rtems_waf/rtems.py", line 190, in configure
    check_options(conf,
  File "/home/bsterling/src/rtems/quick-start/app/hello/rtems_waf/rtems.py", line 496, in check_options
    arch_bsps = _check_arch_bsps(rtems_bsps, rtems_config, rtems_path,
  File "/home/bsterling/src/rtems/quick-start/app/hello/rtems_waf/rtems.py", line 851, in _check_arch_bsps
    installed = _find_installed_arch_bsps(config, path, archs, version)
  File "/home/bsterling/src/rtems/quick-start/app/hello/rtems_waf/rtems.py", line 823, in _find_installed_arch_bsps
    if _arch_from_arch_bsp(f[:-3]) in archs:
  File "/home/bsterling/src/rtems/quick-start/app/hello/rtems_waf/rtems.py", line 862, in _arch_from_arch_bsp
    rtems_field_index = next(i for i, field in enumerate(fields) if field.startswith('rtems'))
StopIteration

Please note that I started with rtems 6 because when I tried to use the released rtems 5 'Getting Started', I couldn't get past the first few steps.  That being said, I'm glad to go back to any other version if necessary, as I'm just trying to get to the point where I can work with RTEMS.

Thanks in advance for any help!

I'm using Ubuntu 22.04.2 LTS, and have followed the instructions in the 'Host Machine' setup section (as I mentioned, everything was working great up until this step).  The only way I was able to get things working was to clone the git repositories.  I'm on the 'master' branch.
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