Path: utzoo!attcan!uunet!aplcen!samsung!rex!wuarchive!texbell!ficc!peter
From: peter@ficc.ferranti.com (Peter da Silva)
Newsgroups: comp.lang.c
Subject: Re: m4 problems
Keywords: m4,pre-processor
Message-ID: <5CL4-XC@xds13.ferranti.com>
Date: 11 Jul 90 14:38:05 GMT
References: <2794@aspect.UUCP>
Reply-To: peter@ficc.ferranti.com (Peter da Silva)
Distribution: na
Organization: Xenix Support, FICC
Lines: 13

In article <2794@aspect.UUCP> dave@aspect.UUCP (Dave Corcoran) writes:
> I thought that m4 was the cat's meow in pre-processors until I tried
> to use the "include" key-word for a quick and dirty include facility
> in the make(1) process. 
[macro preprocessing on the included file caused problems]

> Comments anyone? Commiseration welcome

define(`include',`define(`include',``include'')sinclude($1)undefine(`include')')

This is probably the biggest problem in M4. I did an implementation of it
for preprocessing RATFOR under RSX-11 once, and I made all the M4 keywords
begin with a dollar sign ($include(filename)...).
-- 
Peter da Silva.   `-_-'
+1 713 274 5180.
<peter@ficc.ferranti.com>