Hi Mike,
OK, I've just done the svn co of v0_91_maint and get the output here:
============================================================================
BUILDING MATPLOTLIB
matplotlib: 0.91.2svn
python: 2.5.2 (r252:60911, Apr 21 2008, 11:12:42) [GCC
4.2.3 (Ubuntu 4.2.3-2ubuntu7)]
platform: linux2
REQUIRED DEPENDENCIES
numpy: 1.0.4
freetype2: 9.16.3
OPTIONAL BACKEND DEPENDENCIES
libpng: 1.2.15beta5
Tkinter: no
* Tkinter present, but header files are not found.
* You may need to install development packages.
wxPython: 2.8.7.1
* WxAgg extension not required for wxPython >= 2.8
Gtk+: gtk+: 2.12.9, glib: 2.16.3, pygtk: 2.12.1,
pygobject: 2.14.1
* Could not find Gtk+ headers in any of
* '/usr/local/include', '/usr/include', '.'
Qt: Qt: 3.3.8, PyQt: 3.17.4
Qt4: Qt: 4.3.4, PyQt4: 4.3.3
Cairo: 1.4.0
OPTIONAL DATE/TIMEZONE DEPENDENCIES
datetime: present, version unknown
dateutil: 1.3
pytz: 2007k
OPTIONAL USETEX DEPENDENCIES
dvipng: 1.9
ghostscript: 8.61
latex: 3.141592
pdftops: 3.00
EXPERIMENTAL CONFIG PACKAGE DEPENDENCIES
configobj: 4.4.0
enthought.traits: 2.0.1b1
=========================================================================
I then added the python-gtk2-dev package and it built the _gtkagg.so
backend by default. This looks fine, but it is not making TkAgg. So I
added "tkagg = True" to setup.cfg and it gets up to:
=========================================================================
building 'matplotlib.backends._tkagg' extension
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall
-Wstrict-prototypes -fPIC -I/usr/share/include -I/usr/share/include
-I/usr/include/libpng12 -I/usr/local/include -I/usr/include -I. -Isrc
-Iswig -Iagg23/include -I. -I/usr/include/freetype2 -I/usr/local/include
-I/usr/include -I. -I/usr/include/python2.5 -c src/_tkagg.cpp -o
build/temp.linux-i686-2.5/src/_tkagg.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for
Ada/C/ObjC but not for C++
src/_tkagg.cpp:28:18: error: tk.h: No such file or directory
src/_tkagg.cpp:36: error: ISO C++ forbids declaration of Tcl_Interp with
no type
src/_tkagg.cpp:36: error: expected ; before * token
[snip - more errors ...]
========================================================================
It has missed tk.h. I have the tk-dev and tcl-dev packages (and of course
the "build-essential" which gives standard headers etc).
`locate tk.h` gives /usr/include/tcl8.4/tk.h
so I edited setupext.py to give:
svn diff
Index: setupext.py
===================================================================
--- setupext.py (revision 5276)
+++ setupext.py (working copy)
@@ -977,6 +977,12 @@
os.path.exists('/usr/include/tk.h')):
tcl_inc = '/usr/include'
tk_inc = '/usr/include'
+ # Ubuntu 8.04
+ if (sys.platform.startswith('linux') and
+ os.path.exists('/usr/include/tcl8.4/tcl.h') and
+ os.path.exists('/usr/include/tcl8.4/tk.h')):
+ tcl_inc = '/usr/include/tcl8.4'
+ tk_inc = '/usr/include/tcl8.4'
else:
message = """\
Using default library and include directories for Tcl and Tk because a
==================================================================
... and now it builds and seems to work. With this patch it says:
=============================================================
...
OPTIONAL BACKEND DEPENDENCIES
...
Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
=============================================================
I thought you are expected to pick up the correct include directories from
the files tclConfig.sh and tkConfig.sh, which are found in the lib
directory returned from your query_tcltk function? Obviously, my solution
is going to give problems for people who are not using 8.4, or who have
something else different etc. Parsing tclConfig.sh seems like overkill -
maybe try asking the python/distutils folks?
Best
Jon
On Tue, 27 May 2008, Michael Droettboom wrote:
> I'm moving this second question onto the matplotlib-devel list.
>
> It seems that a user is unable to build the tkagg extension from source on
> Ubuntu 8.04. I know the Tcl/Tk header lookup mechanism is inherently
> complex. Could someone who knows what's going on there have a look?
>
> Jonathan: Could you please provide the output of a compile without your
> modifications to make it work? We'd like this to work automatically.
>
> Cheers,
> Mike
>
> Jonathan Wright wrote:
>> Mike,
>>
>> That fixes things for me - many thanks. Unrelated, but to build from SVN I
>> had to go diving in setupext.py to say that the tk include files are in:
>>
>> /usr/include/tcl8.4
>>
>> ... while the tcl install home is /usr/share/tcltk. The command "locate
>> tk.h" was particularly useful.
>>
>> Many thanks again,
>>
>> Jon
>>
>> Michael Droettboom wrote:
>>> I assume you're using the matplotlib 0.91.2 that's distributed with
>>> Ubuntu 8.04.
>>>
>>> There was a recent fix for segfaulting in the exact same place (outside
>>> of any sort of freezing apparatus). Since it was related to the
>>> interpretation of a pointer, it's possible that you would see this
>>> inside of cx-freeze and not outside on the same machine, just because
>>> things get loaded into different parts of memory. I would try that fix
>>> first, and then look at problems related to freezing.
>>>
>>> We should have a new release out shortly, but it's unclear how long that
>>> will take to trickle down into Ubuntu repositories.
>>>
>>> You can check out the SVN maintenance branch from here (which has this
>>> bugfix):
>>>
>>> svn co
>>> https://matplotlib.svn.sf.net/svnroot/matplotlib/branches/v0_91_maint
>>> matplotlib-0.91.x
>>>
>>> Let us know how that works for you.
>>>
>>> Cheers,
>>> Mike
>>>
>>> Jonathan Wright wrote:
>>>> Hello,
>>>>
>>>> I am getting segmentation faults when I try to freeze a script which
>>>> uses the TkAgg backend, on python2.5.2, gcc 4.2.3 (ubuntu 8.04, hardy
>>>> heron). A trial script is:
>>>>
>>>> import matplotlib
>>>> matplotlib.use("TkAgg") # unless you have it in matplotlibrc
>>>> import matplotlib.backends.backend_tkagg # explicit for freezer
>>>> from matplotlib.pylab import plot, show
>>>> plot(range(10), range(10), "+")
>>>> show()
>>>>
>>>> Is anyone already familiar with the problem? Things seem to work with
>>>> the GTkAgg backend, but sadly many years ago I decided to use Tk as I
>>>> thought it'd be easier to distribute. In order to reproduce the
>>>> problem with bbfreeze you should just need this freezing script:
>>>>
>>>> from bbfreeze import Freezer
>>>> f = Freezer("dist",
>>>> includes=("matplotlib",
>>>> "matplotlib.numerix.fft",
>>>> "matplotlib.numerix.linear_algebra",
>>>> "matplotlib.numerix.ma",
>>>> "matplotlib.numerix.mlab",
>>>> "matplotlib.numerix.random_array"))
>>>> f.addScript("t.py")
>>>> f()
>>>>
>>>> For reproducing the problem with cx-freeze you need to (a) install it
>>>> by patching the cx-freeze setup.py [so that (2, 5) -> (2, 6)] and (b)
>>>> add an import for numpy.linalg.lapack_lite and edit your
>>>> numpy.__init__ to remove numpy.test.
>>>>
>>>> Thanks for any advice,
>>>>
>>>> Jon
>>>> ---
>>>>
>>>> PS: gdb says
>>>> Program received signal SIGSEGV, Segmentation fault.
>>>> [Switching to Thread 0xb7c806b0 (LWP 8158)]
>>>> 0xb6e145a0 in ?? () from
>>>> /home/wright/testcx/build/exe.linux-i686-2.5/matplotlib.backends._tkagg.so
>>>> (gdb) bt
>>>> #0 0xb6e145a0 in ?? () from
>>>> /home/wright/testcx/build/exe.linux-i686-2.5/matplotlib.backends._tkagg.so
>>>> #1 0xb6badb6e in TclInvokeStringCommand () from
>>>> /usr/lib/libtcl8.4.so.0
>>>> #2 0xb6baee56 in TclEvalObjvInternal () from /usr/lib/libtcl8.4.so.0
>>>> #3 0xb6baf0db in Tcl_EvalObjv () from /usr/lib/libtcl8.4.so.0
>>>> #4 0xb6ef96c6 in ?? () from
>>>> /home/wright/testcx/build/exe.linux-i686-2.5/_tkinter.so
>>>> #5 0x0827a0c8 in ?? ()
>>>> #6 0x00000005 in ?? ()
>>>> ...
>>>>
>>>>
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>>>>
>>>
>>
>
> --
> Michael Droettboom
> Science Software Branch
> Operations and Engineering Division
> Space Telescope Science Institute
> Operated by AURA for NASA
>
>
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