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From: cunniff@hpfcso.HP.COM (Ross Cunniff)
Newsgroups: comp.lang.fortran
Subject: Re: Suppresing compiler generated "_" suffix on names
Message-ID: <9080010@hpfcso.HP.COM>
Date: 11 Jan 91 15:54:49 GMT
References: <10557@lanl.gov>
Organization: Hewlett-Packard, Fort Collins, CO, USA
Lines: 27

>>>The f77 on Hewlett-Packard's 9000 Series 800 RISC-based machines doesn't
>>>prepend  or  postpend  underbars  to  the  name  unless  requested.  The
>>>compiler directive $POSTPEND will add underbars after all external names
>>>to provide compatibility with BSD-based UNIX systems.
>>>
>>
>>Similar functionality is also provided by the HP 9000 Series 300 (workstations)
>>and 3000 Series 900 (MPE/XL - HP proprietary OS) compilers.
>>
>>Jeff Caldwell
>>jbc@hpda.hp.com

>Actually,  the  Series 300  doesn't  provide  the  option of not  having
>underbars magically added to the symbols.

>Bill Johnson
>wsj@hpda.hp.com

Actually, the Series 300 always adds the leading underscore (as do the C and
Pascal compilers), and optionally adds the trailing underscore when $POSTPEND
or +ppu is specified.  Note that no high-level language (C, FORTRAN, Pascal)
code can tell that the leading underscore is added.  Only assembly code
will notice this.

				Ross Cunniff
				Hewlett-Packard Colorado Language Lab
				cunniff@hpfcla.HP.COM