[yt-users] XSPEC issue

[Eric Hallman]

John,
  as of right now, I have just "successfully" built XSPEC for Lion, with
the patch applied that Matt pointed me to for Python.  I had no errors in
the build, and I'll attempt to use it shortly and let you know off-line if
anything fails.

Cheers,

Eric

The other problem is that XSPEC doesn't do 64-bit builds on Mac because of
X11, or so they say. If you can get it to work please let me know. I tried
this earlier this week with no luck.


John ZuHone

Laboratory for High-Energy Astrophysics

NASA/Goddard Space Flight Center

8800 Greenbelt Rd., Code 662

Greenbelt, MD 20771

(w) 301-286-2531

(m) 773-758-0172

jzuhone at gmail.com

john.zuhone at nasa.gov


On Aug 24, 2012, at 5:02 PM, Eric Hallman <hallman13 at gmail.com> wrote:



Matt,

  thanks for the heads up.  I made the patch and am trying to rebuild.
 Thanks!


Eric

Matt wrote:

Hi Eric,


Looks like this is known for non-framework builds of Python on OSX.

(We don't build it Framework-wise because it caused a bunch of

problems in the past and mainly only allowed usage of a few native

widgets.)  Here is a patch you can apply and then rebuild Python with

to (possibly) get it to work:


http://bugs.python.org/issue1602133


-Matt


On Fri, Aug 24, 2012 at 4:46 PM, Eric Hallman <hallman13 at gmail.com> wrote:

Hello,

 I know this is not a yt specific issue, however it involves an interaction

of the yt installed python and XSPEC.  Maybe some of you on this list have

done an XSPEC install on Mac OS X (Lion in this case) and run into this.  At

link time during the build of XSPEC, it gives the following error:


Undefined symbols for architecture x86_64:

 "_environ", referenced from:

     _initposix in libpython2.7.a(posixmodule.o)

ld: symbol(s) not found for architecture x86_64


Originally on my Mac, XSPEC tried to build 32-bit, and failed with python

linkages (since python is 64 bit in the yt install build).  Once I went to

64-bit, this was the only remaining error.  Does anyone have ideas?


Thanks!


Eric Hallman


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