Re: 5.4 Open Issues

#1 (**permalink**) 10-11-2006

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On 10-Oct-2006, at 4:00 PM, Thomas Anders wrote:

> Dave Shield wrote:
>> On 10/10/06, Thomas Anders <thomas.anders@blue-cable.de> wrote:
>>>> 1) OpenBSD4 headers
>>
>>> Huh? We neither have openbsd3.h nor openbsd4.h, but just openbsd.h.
>>
>> OK - in that case, I don't understand the comment
>> "openbsd4 uses openbsd.h, and thus a lot of openbsd3 code
>> that most likely works on openbsd4 is excluded"
>>
>> I'd assumed this was referring to a file openbsd3.h. Clearly not.
>> Can someone please clarify the precise issue here.
>
> Robert has logged this issue, not me, but anyway: On OpenBSD 3.x
> configure adds
> a "-Dopenbsd3=openbsd3" while on OpenBSD 4.x it adds "-
> Dopenbsd4=openbsd4", of
> course. Our code only has #ifdefs for openbsd3 (and/or earlier). We
> either need
> to adjust the code to add "|| defined(openbsd4)" or add something
> like the
> following to openbsd.h:
>
> #ifdef openbsd4
> #undef openbsd3
> #define openbsd3 openbsd3
> #endif
>
> The latter is only appropriate if "openbsd3" is to be understood as
> "3.x or
> later" (like we do for freebsd).
>
> Whatever we chose will need to be done again when OpenBSD 5.x comes
> out.

Here is what I do for Darwin / OS X. I'm trying to build on Tiger
(10.4 / Darwin 8) and Leopard (10.5 / Darwin 9) and am ignoring
Panther (10.3 / Darwin 7) because the latter has very different APIs
(thank a lot to the Intel transition).

Configure defines the OS release, i.e. darwin8 or darwin9. In the
respective header file (I created one for each) I also define darwin
and set it to the release number, e.g. "#define darwin 8" on Tiger,
which allows me to write "#if (darwin >= 8)" for tests. Sounds like
BSD could use a similar mechanism...

And yes, I'll post these patches shortly; I haven't yet because I was
still fighting with some of the build issues and I have to break them
up.

>>>> 8) "as-needed" linking
>>> OSX is the only one that fails during "make".
>>
>> That's the "library layering" bug report, I presume? (Which I
>> responded to earlier today)
>> Naive question - does static vs dynamic linking make any
>> difference here?
>> Requiring static linking obviously isn't ideal, but would be a
>> workable stop-gap.
>
> OSX testers, please.

I just responded to your comment: from what I've seen, it doesn't
work, but I will try your suggestion and rework the makefile.

>>> On
>>> the other (older) systems
>>> problems probably only happen when doing "make install DESTDIR=/
>>> some/where/else".
>>
>> Which is a relatively unusual invocation.
>> Yes - it needs to be fixed properly, but doesn't feel to be a show-
>> stopper.
>
> ACK.

OS X builds this way (i.e., with DESTDIR), and it mostly works. If
someone has specific components that don't work properly, let me
know; the fixes are certainly easier than the issues I'm having with
Perl.

>>>> 9) OS X embedded perl
>>
>>> Shall we hold off enabling embedded perl by default on OSX?
>>
>> If it doesn't work, then yes! :-)
>
> We need to find out whether it's broken on OSX for most-if-not-all
> or just this
> single person/setup. OSX testers, please! (Didn't I just say that?)

I have to admit I haven't tried the embedded Perl because of the
existing warnings and because of my blocker issues with the Perl
modules. I can try enabling it once I get the Perl modules building.

--chris
net-snmp-owners at group.apple.com

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<HTML><BODY style=3D"word-wrap: break-word; -khtml-nbsp-mode: space; =
-khtml-line-break: after-white-space; "><DIV><DIV>On 10-Oct-2006, at =
4:00 PM, Thomas Anders wrote:</DIV><BR =
class=3D"Apple-interchange-newline"><BLOCKQUOTE type=3D"cite"><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Dave Shield wrote:</DIV> <BLOCKQUOTE =
type=3D"cite"><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">On 10/10/06, Thomas Anders =
<<A =
href=3D"mailto:thomas.anders@blue-cable.de">thomas.anders@blue-cable.de</A=
>> wrote:</DIV> <BLOCKQUOTE type=3D"cite"><BLOCKQUOTE =
type=3D"cite"><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">1) OpenBSD4 headers</DIV> =
</BLOCKQUOTE></BLOCKQUOTE><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; =
"><BR></DIV> <BLOCKQUOTE type=3D"cite"><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Huh? We =
neither have openbsd3.h nor openbsd4.h, but just openbsd.h.</DIV> =
</BLOCKQUOTE><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">OK - in that case, I don't understand the =
comment</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0=A0 </SPAN>"openbsd4 uses openbsd.h, =
and thus a lot of openbsd3 code</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN =
class=3D"Apple-converted-space">=A0 =A0 </SPAN>that most likely works on =
openbsd4 is excluded"</DIV><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; =
"><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">I'd assumed this was referring =
to a file openbsd3.h.<SPAN class=3D"Apple-converted-space">=A0 =
</SPAN>Clearly not.</DIV><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; ">Can someone please clarify =
the precise issue here.</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; =
min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Robert has =
logged this issue, not me, but anyway: On OpenBSD 3.x configure =
adds</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">a "-Dopenbsd3=3Dopenbsd3" while =
on OpenBSD 4.x it adds "-Dopenbsd4=3Dopenbsd4", of</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">course. Our code only has #ifdefs for openbsd3 =
(and/or earlier). We either need</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">to adjust the =
code to add "|| defined(openbsd4)" or add something like the</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">following to openbsd.h:</DIV><DIV style=3D"margin-top:=
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; =
min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">#ifdef =
openbsd4</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">#undef openbsd3</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">#define openbsd3 openbsd3</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">#endif</DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: =
14px; "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">The latter is only appropriate =
if "openbsd3" is to be understood as "3.x or</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">later" (like we do for freebsd).</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Whatever =
we chose will need to be done again when OpenBSD 5.x comes =
out.</DIV></BLOCKQUOTE><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>Here is what I do for =
Darwin / OS X. I'm trying to build on Tiger (10.4 / Darwin 8) and =
Leopard (10.5 / Darwin 9) and am ignoring Panther (10.3 / Darwin 7) =
because the latter has very different APIs (thank a lot to the Intel =
transition).</DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>Configure defines the OS =
release, i.e. darwin8 or darwin9. In the respective header file (I =
created one for each) I also define darwin and set it to the release =
number, e.g. "#define darwin 8" on Tiger, which allows me to write "#if =
(darwin >=3D 8)" for tests. Sounds like BSD could use a similar =
mechanism...</DIV><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>And yes, I'll post these =
patches shortly; I haven't yet because I was still fighting with some of =
the build issues and I have to break them up.</DIV><BR><BLOCKQUOTE =
type=3D"cite"> <BLOCKQUOTE type=3D"cite"><BLOCKQUOTE =
type=3D"cite"><BLOCKQUOTE =
type=3D"cite"></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><BLOCKQUOTE =
type=3D"cite"><BLOCKQUOTE type=3D"cite"><BLOCKQUOTE type=3D"cite"><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">8)<SPAN class=3D"Apple-converted-space">=A0 =
</SPAN>"as-needed" linking</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">OSX is =
the only one that fails during "make".</DIV> </BLOCKQUOTE><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">That's =
the "library layering" bug report, I presume? <SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>(Which I</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">responded to earlier today)</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Naive question - does static vs dynamic linking make =
any difference here?</DIV><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; ">Requiring static linking =
obviously isn't ideal, but would be a</DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">workable =
stop-gap.</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: =
14px; "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">OSX testers, =
please.</DIV></BLOCKQUOTE><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>I just responded to your =
comment: from what I've seen, it doesn't work, but I will try your =
suggestion and rework the makefile.</DIV><BR><BLOCKQUOTE type=3D"cite"> =
<BLOCKQUOTE type=3D"cite"><BLOCKQUOTE type=3D"cite"><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; "><SPAN class=3D"Apple-converted-space">=A0=A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 </SPAN>On the other (older) =
systems</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">problems probably only happen =
when doing "make install DESTDIR=3D/some/where/else".</DIV> =
</BLOCKQUOTE><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Which is a relatively unusual invocation.</DIV><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Yes - it needs to be fixed properly, but doesn't =
feel to be a show-stopper.</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; =
min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; =
">ACK.</DIV></BLOCKQUOTE><DIV><BR =
class=3D"khtml-block-placeholder"></DIV><DIV>OS X builds this way (i.e., =
with DESTDIR), and it mostly works. If someone has specific components =
that don't work properly, let me know; the fixes are certainly easier =
than the issues I'm having with Perl.</DIV><BR><BLOCKQUOTE type=3D"cite"> =
<BLOCKQUOTE type=3D"cite"><BLOCKQUOTE type=3D"cite"><BLOCKQUOTE =
type=3D"cite"><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">9)<SPAN =
class=3D"Apple-converted-space">=A0 </SPAN>OS X embedded perl</DIV> =
</BLOCKQUOTE></BLOCKQUOTE><DIV style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; =
"><BR></DIV> <BLOCKQUOTE type=3D"cite"><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Shall we hold =
off enabling embedded perl by default on OSX?</DIV> </BLOCKQUOTE><DIV =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">If it =
doesn't work, then yes! :-)</DIV> </BLOCKQUOTE><DIV style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; =
min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">We need to =
find out whether it's broken on OSX for most-if-not-all or just =
this</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">single person/setup. OSX =
testers, please! (Didn't I just say that?)</DIV> =
</BLOCKQUOTE><BR></DIV><DIV>I have to admit I haven't tried the embedded =
Perl because of the existing warnings and because of my blocker issues =
with the Perl modules. I can try enabling it once I get the Perl modules =
building.</DIV><BR><DIV> <SPAN class=3D"Apple-style-span" =
style=3D"border-collapse: separate; border-spacing: 0px 0px; color: =
rgb(0, 0, 0); font-family: Times; font-size: 13px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; =
"><DIV>--chris</DIV><DIV>net-snmp-owners at =
group.apple.com</DIV><DIV><BR class=3D"khtml-block-placeholder"></DIV><BR =
class=3D"Apple-interchange-newline"></SPAN> </DIV><BR></BODY></HTML>=

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