Xref: utzoo comp.lang.c:11617 comp.sys.ibm.pc:17653
Path: utzoo!attcan!uunet!peregrine!elroy!ames!pasteur!ucbvax!ucsfcgl!cgl.ucsf.edu!kneller
From: kneller@cgl.ucsf.edu (Don Kneller)
Newsgroups: comp.lang.c,comp.sys.ibm.pc
Subject: Re: Automatic Function Prototype Generation
Message-ID: <11067@cgl.ucsf.EDU>
Date: 1 Aug 88 22:25:12 GMT
References: <306@optilink.UUCP>
Sender: daemon@cgl.ucsf.edu
Reply-To: kneller@socrates.ucsf.edu.UUCP (Don Kneller)
Organization: UCSF Computer Graphics Lab
Lines: 24

In article <306@optilink.UUCP> cramer@optilink.UUCP (Clayton Cramer) writes:
>Microsoft C has an option /Zg for automatic generation of function 
>prototypes.
>
>[ In makefiles ] this works (clumsily), but there are two problems:
>
>1. If you change a function definition in foo.c, and you have included
>foo.e in foo.c, you will get complaints that will prevent a compile
>from happening, and prevent a new foo.e from being produced.

You can turn off the old prototypes with a conditional directive.
Your .c.e rule can look like:

.c.e:
    echo #ifndef NOPROTOTYPES > $*.tmp
    cl -AL -c -Zg -DNOPROTOTYPES $*.c >> $*.tmp
    echo #endif >> $*.tmp
    updexh $*.tmp $*.e

-----
	Don Kneller
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