[openbeos] Re: joe - haiku ports
- From: PulkoMandy <pulkomandy@xxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Tue, 19 Aug 2008 17:12:44 +0200
Isn't linking to libroot implicit because you can't run anything
without it ? In this case you just need to remove -lm and everything
will work just fine.
2008/8/19 Nick <tonestone57@xxxxxxxxxxx>:
>> 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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