[openbeos] Re: joe - haiku ports

  • From: Schrijvers Luc <Begasus@xxxxxxxxx>
  • To: openbeos@xxxxxxxxxxxxx
  • Date: Tue, 19 Aug 2008 17:12:24 +0200

I usualy just remove -lm from the source (not the proper way - handed in
a fix at one time that francois handed me over IRC). 
-lroot doesn't need to be added as it should link to it automaticly IIRC

On di, 2008-08-19 at 09:02 -0600, Nick wrote:
> > I think it's fixed now. Have a look at the patch and perhaps try it
> > out on a non-haiku system and see if it correctly detects needing
> -lm
> > on that system. If it does let me know, this might be worth sending
> > back upstream.
> > http://ports.haiku-files.org/wiki/app-editors/joe/3.5/1
> > It's nice to have joe working on haiku, now i won't have to fight
> with
> > vim to do a check in ;)
> > -scottmc
> I looked at the diff.  From what I can tell, you remove -lm from the
> LIBS if not present.  Which I believe is incorrect way to do it but I
> would like another dev to say if I am wrong or right.
> What I was trying to get at was:
> IF Haiku ( or BeOS or Zeta ) & program links to libm
> change -lm to -lroot  // because there is no libm in Haiku/BeOS - part
> of libroot
> else ( for Linux )
> leave it as -lm
> Actually, the easiest & quickest way is to symlink libm->libroot so no
> code changes would be needed at all but some devs do not like
> hacks :- )
> I believe devs link to libm in their programs for a reason ( else, why
> put in -lm if not needed?? ) and removing the linking to libm is not
> the right way to do it.  Could cause issues.  That we should link to
> libroot instead when a program wants libm.
> Can someone clear this up because maybe I am confused?  If a POSIX
> program is looking for libm should we:
> a) just remove -lm ( not link to libm ) or
> b) change -lm to -lroot ( to link to libroot instead of libm ) 
> From what I can tell, Scott is doing a) and I believe it should be b).
> If a), then can someone also explain why a program would use -lm if it
> is not needed.
> Regards,
> ______________________________________________________________________

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