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Re: OS X library path issues for libpq (ver 8.3)

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On Tue, Sep 9, 2008 at 1:31 PM, Dave Page <dpage@xxxxxxxxxxx> wrote:
> On Tue, Sep 9, 2008 at 9:14 PM, Darren Weber
> <darren.weber.lists@xxxxxxxxx> wrote:
>
>> Yeah, I also found that fink conflicts with macports.  I do like the
>> idea of using the Debian repository and package management system.
>> For some reason, which escapes me now, I went with macports (maybe it
>> was just that macports gave me an emacs.app - poor reason actually).
>> Yet another "learning" curve for OSX.  All this confusion makes me
>> appreciate the beauty of Debian systems (eg, Ubuntu), with regard to
>> package management.  I hope all this mucking around with OSX is going
>> to pay-off sooner or later.
>
> It will. My advice, is to pick one packaging system for your
> build-from-source addons, and stick with it. I prefer MacPorts,
> Benjamin is a Fink man.
>
>> I guess the best suggestion (maybe the best solution) in this thread
>> to date is to hack that symlink and hope the build system (and
>> run-time links) will work everything out from there.  Using the binary
>> installer is easier and provides more GUI apps than doing the source
>> build.  I've done a quick, standard source build and install into
>> /usr/local/pgsql/, can this co-exist with the binary installation into
>> /Library/PostgreSQL/[version]?
>
> Yes. I regularly have half a dozen or more installs of PostgreSQL and
> Postgres Plus (EnterpriseDB's version of PostgreSQL) on the same box -
> including source and installer builds.
>
>> FYI, just to illustrate some of the confusion I can see.  For
>> starters, we need gmake.  Well:
>
> Use make from XCode. It is gmake.
>
>>
>> OK, but it's curious that I'm running OS X (10.5; Darwin 9.4.0) on a
>> mac pro with dual quad-core zeons and the make program was built for
>> Darwin 9.0 on a powerpc!  (Looking to the heavens, I wonder how the
>> hell can that work?)  It does work, but maybe I should build it to get
>> the architecture right (maybe everything should be built from the
>> ground up!), so:
>
> Use the file command to check what type of binary it is. If it really
> is a PPC binary, then it'll be running under Rosetta
> (http://www.apple.com/rosetta/). Otherwise, it's probably a universal
> binary which contains PPC and Intel executables in the same file.
>
>> A bit more intrigue; I'm reading the options for building postgreSQL
>> 8.3.3 and I check the system for libperl and libpython, ie:
>>
> ...
>>
>> Whoa, talk about a real supermarket full of the "same" libraries.  I
>> know that every-man and his dog has their own opinion on the "pure"
>> installation system (maybe it's a bit like belief in one or many
>> gods?).  Anyhow, I have to figure out what the default search path is
>> for the linker (ie, how to avoid total paranoia about configuring
>> builds).
>
> You'll almost always use the stuff under
> /Developer/SDKs/MacOSX10.5.sdk, which is the Leopard SDK. Substitute
> in /opt if you need non-standard versions of anything, or additional
> libraries from MacPorts (or Fink). You've also got the Tiger SDK and
> at least some of the iphone SDK there.
>
>> Looks like I've got my work cut out for me before I even begin to
>> develop anything.
>
> It's really not that difficult - unless you need universal binaries,
> or want to target older versions of OSX, you won't normally see
> anything different from Linux for example.
>
> --
> Dave Page
> EnterpriseDB UK: http://www.enterprisedb.com
>


When building postgreSQL from source, I'm using a default installation
path config and I want to be specific about what libraries are being
linked, so it seems that I could use macports like this (assuming the
required ports are installed and active):

./configure  \
  --with-includes=/opt/local/include  \
  --with-libraries=/opt/local/lib  \
  --with-perl --with-python --with-tcl

On the other hand, I could use the /Developer SDK, like this:

./configure \
  --with-includes=/Developer/SDKs/MacOSX10.5.sdk/usr/include  \
  --with-libraries=/Developer/SDKs/MacOSX10.5.sdk/usr/lib  \
  --with-perl --with-python --with-tcl

The /Developer SDK for 10.5 seems to be symlinks to the /System
frameworks (this is a 10.5 system), eg:

[ root@elegans /usr/src/postgresql-8.3.3 ]# ls -l
/Developer/SDKs/MacOSX10.5.sdk/usr/lib/libpython.dylib lrwxr-xr-x 1
root wheel 16 2008-08-22 17:40
/Developer/SDKs/MacOSX10.5.sdk/usr/lib/libpython.dylib ->
libpython2.dylib*
[ root@elegans /usr/src/postgresql-8.3.3 ]# ls -l
/Developer/SDKs/MacOSX10.5.sdk/usr/lib/libpython2.dylib
lrwxr-xr-x 1 root wheel 68 2008-08-22 17:40
/Developer/SDKs/MacOSX10.5.sdk/usr/lib/libpython2.dylib ->
../../System/Library/Frameworks/Python.framework/Versions/2.5/Python*


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