On Sun, 22 Sep 2002, Roman Zippel wrote:
> > I have been working on integrating lkc with kbuild.
> > Here is the result.
>
> Thanks, nice work. :)
Yup, I improved things a bit further.
> > Rules.make
> > - Added infrastructure to support host-ccprogs, in other words
> > support tools written (partly) in c++.
>
> There are all compiled with gcc instead of g++, are you sure that will ok
> with all supported gcc versions?
I fixed that.
> > scripts/lkc/Makefile*
> > - As kbuild does not distingush between individual objects,
> > used for a given target, but (try to) build them all, I have
> > found a solution where I create one Makefile for each executable.
> > I could not see a clean way to integrate this in kbuild, and finally
> > decided that in this special case a number of Makefiles did not
> > hurt too much.
>
> Here I thought about using "ifeq ($(MAKECMDGOALS),...)" to keep them in a
> single file. Did you try something like this?
That's now handled without obvious hacks.
> > flex/bison
> > - Prepared for "_shipped" files.
> > Rename lex.zconf.c to lex.zconf.c_shipped etc. in the version
> > reday to go in the kernel.
>
> This works quite well for users, but it's very annoying for the developer.
> Kai, any chances to use md5sum for this at some point, e.g. with a helper
> script like this:
>
> set -e
> src=$1
> dst=$2
> shift 2
>
> test -f $dst && tail -1 $dst | sed 's,/\* \(.*\) \*/,\1,' | md5sum -c && touch $dst
>&& exit 0
> echo "$@"
> "$@"
> echo "/* $(md5sum $src) */" >> $dst
I'm not particularly fond of these md5sum hacks. I don't think it's all
that annoying for the developer, either, it's basically just a
alias make="make LKC_GENPARSER=1"
(Of course, you'll have to update the _shipped files eventually, but there
isn't really any way around that either way)
One might consider setting LKC_GENPARSER based on a test if bison/flex are
in the path.
> Something else I'd like to have for later is the ability to compile
> $(sharedobjs) as a shared library and install it somewhere so it can be
> used by external programs.
Well, later ;)
--Kai
I created a combined patch with lkc-0.6, Sam's patch and my things on top
of current 2.5-bk (And I would strongly suggest to make further releases
like this, if people need to first figure out how to install and what to
run, they won't test lkc at all). As a result, it's fairly large, so I put
it on
http://zephyr.physics.uiowa.edu/~kai/lkc/lkc-0.6-A
--Kai
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