* Trouble adding additional CPU support
@ 2008-09-21 21:46 Steve Woloschek
2008-09-22 19:51 ` Dave Brolley
0 siblings, 1 reply; 2+ messages in thread
From: Steve Woloschek @ 2008-09-21 21:46 UTC (permalink / raw)
To: sid
I have written a new processor description with cgen and I am trying to
update sid to incorporate the new processor.
I have perused the configure.* and Makefile.* files to understand what
changes I need to make in order have the new processor built.
Unfortunately I am not an expert in autoconf and automake and every time
I attempt to rebuild the configure/Makefiles I run into multiple issues.
1) I am not entirely sure which configure.* and Makefile.* need to be
updated to add a new processor.
2) Lack of understanding how to rebuild configure scripts and Makefiles
When trying to rebuild configure scripts and Makefiles it appears there
is a restriction and/or assumption on the particular version of the
tools that required. I have linux box with the latest version of Ubuntu
that I am using as my build machine. I have the following versions of
utilities.
aclocal 1.10.1
autoconf 2.61
automake 1.10.1
libtool 1.5.26
If I remove the restriction of autoconf 2.59 things and try to
regenerate the files I run into several build issues.
It would be very nice if I could use the latest versions of these
utilities to build. U just need the recipe to regenerate the proper
files to build.
Thanks in advance,
Steve
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Trouble adding additional CPU support
2008-09-21 21:46 Trouble adding additional CPU support Steve Woloschek
@ 2008-09-22 19:51 ` Dave Brolley
0 siblings, 0 replies; 2+ messages in thread
From: Dave Brolley @ 2008-09-22 19:51 UTC (permalink / raw)
To: Steve Woloschek; +Cc: sid
Steve Woloschek wrote:
> I have written a new processor description with cgen and I am trying to
> update sid to incorporate the new processor.
>
> I have perused the configure.* and Makefile.* files to understand what
> changes I need to make in order have the new processor built.
> Unfortunately I am not an expert in autoconf and automake and every time
> I attempt to rebuild the configure/Makefiles I run into multiple issues.
>
> 1) I am not entirely sure which configure.* and Makefile.* need to be
> updated to add a new processor.
> 2) Lack of understanding how to rebuild configure scripts and Makefiles
>
When creating a new port, I generally pick an existing one that has
similar capabilities and clone it. That is, I find every instance where
it is mentioned in a file or a file name and copy the file/code while
changing only the name of the port. You end up with a new port for your
architecture which behaves like the port you cloned. I then rip out the
guts of the cloned code and replace with the details of my new processor.
> When trying to rebuild configure scripts and Makefiles it appears there
> is a restriction and/or assumption on the particular version of the
> tools that required.
>
I usually look at the head of the file I'm trying to re-generate to see
which version of the tool was used. I'm generally able to find the
version I need using a simple google search.
Note when cloning a port it can be very tedious to update generated
files manually. The auto-tools are definitely your friend here (once you
have the correct versions). I start at the root of the sid source tree
and run aclocal/autoconf/automake and then look to see which
subdirectories did not get updated. If there are any, I go there and
repeat the process.
> It would be very nice if I could use the latest versions of these
> utilities to build. U just need the recipe to regenerate the proper
> files to build.
>
I guess that would be up to higher powers than I to decide. If you are
successful in using a later version of any tool, you should let us know
what changes (if any) were needed.
I hope this helps,
Dave
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2008-09-21 21:46 Trouble adding additional CPU support Steve Woloschek
2008-09-22 19:51 ` Dave Brolley
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