Re: [Axiom-developer] Re: [Axiom-mail] Compiling Axiom on FreeBSD

[Mark Murray]

root writes:
> Mark,
> 
> There is a variable in the top level Makefile.pamphlet called
> TANGLE=

Excellent! Thank you!

>                                          The weave function is never
> called directly as I've already subsumed it under the "document"
> command.

Yeah I found that. This is very good!

> The notangle command will be subsumed when I make another major
> cleanup sweep.

Great!

> I've moved Axiom's version of noweb's executables out of $AXIOM/bin so
> they don't show up on the user's path. Thus a user that has noweb installed
> will still get the standard version of noweb rather than Axiom's patched
> version. Axiom will use the patched version to build, not the user's version.

Good news!

> I'm not sure how this will help (although it is cleaner) since the standard
> noweb has a bug which Axiom patches. The fix was never accepted because
> I changed the C code rather than the awk/sed scripts.

I may be able to help here. Are we talking about a patch whose essence
is

--- c/modules.nw.orig   Wed Mar 28 14:44:00 2001
+++ c/modules.nw        Mon Nov 10 09:25:05 2003
@@ -197,11 +197,17 @@
 out as a special case.
 This change probably blows the case where the module being expanded is
 empty.
+
+If the lookup fails then the module (or chunk) is an undefined name.
+We complain about it but want to output the original source.
+We just wrap it in the bogus chunk name in the angle brackets
+that it must have had in the input and output it. (Tim Daly Nov 13, 2002)
 <<expand a module>>=
 newmod = lookup(p->contents);
 if (newmod==NULL) {
-    errormsg (Error, "undefined chunk name: @<<%s@>>", p->contents);
+    errormsg (Error, "ignoring undefined chunk name: @<<%s@>>", p->contents);
     error=Error;
+    printf("@<<%s@>>",p->contents);
 } else {
     int retcode;

??

If so, what were the detailed objections, and I'll sort out a real fix :-).

> In any case there will eventually be an Axiom "document" command that
> knows how to do all of the necessary magic for everything we need done
> with literate programs.

Right. Nice.

> I've checked in the changes.

You da man! ;-)

M
--
Mark Murray
iumop ap!sdn w,I idlaH