2008/10/20 John Hunter <[EMAIL PROTECTED]>

> This is probably something you will have to debug yourself, since it
> is dependent on the TK you have installed on your system, but it is
> fairly easy to do.  Edit setupext.py, store the results of
>
>  tmp = tk_vars.get("default", "TK_LIB_SPEC")[1:-1].split()
>  print tmp
>
> and see what is returned.   The setup code is trying to index into
> this data structure, and what is coming back is not what is expected.
> It would be helpful to see what is coming back.
>
> Note this call happens in a large try except block, so you could add
> your exception (IndexError) to the list of exceptions that are caught,
> which will return None from this function.  This will keep your build
> from crashing.  Alternatively, if you know you want some backend like
> gtkagg or wxagg and don't need tkagg, you can turn this off by copying
> setup.cfg.template to setup.cfg and manually customizing the backends
> which are built.
>
> But the ideal will be to fix the tk config bug and send us  a patch .
>
> JDH


Hi John,

Thanks - that's a help. TK_LIB_SPEC is apparently empty -
tk_vars.get("default", "TK_LIB_SPEC") returns ''. See attached patch for an
attempt to manage this condition.

This brings me on to my next problem.. here's the result of the patched
script. is this new error likely to be connected with the above issue?
(I'm using an up-to-date cygwin installation)


~/matpl/svn/matplotlib$ python setup.py build
============================================================================
BUILDING MATPLOTLIB
            matplotlib: 0.98.3
                python: 2.5.1 (r251:54863, May 18 2007, 16:56:43)  [GCC
                        3.4.4 (cygming special, gdc 0.12, using dmd 0.125)]
              platform: cygwin

REQUIRED DEPENDENCIES
                 numpy: 1.2.0
             freetype2: 9.18.3

OPTIONAL BACKEND DEPENDENCIES
                libpng: found, but unknown version (no pkg-config)
                        * Could not find 'libpng' headers in any of
                        * '/usr/include', '.'
               Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
                        * Guessing the library and include directories for
                        * Tcl and Tk because the tclConfig.sh and
                        * tkConfig.sh could not be found and/or parsed.
              wxPython: no
                        * wxPython not found
                  Gtk+: no
                        * Building for Gtk+ requires pygtk; you must be able
                        * to "import gtk" in your build/install environment
                    Qt: no
                   Qt4: no
                 Cairo: no

OPTIONAL DATE/TIMEZONE DEPENDENCIES
              datetime: present, version unknown
              dateutil: matplotlib will provide
                  pytz: matplotlib will provide
adding pytz

OPTIONAL USETEX DEPENDENCIES
                dvipng: no
           ghostscript: /bin/sh: gs: command not found
                 latex: no
               pdftops: 3.02

EXPERIMENTAL CONFIG PACKAGE DEPENDENCIES
             configobj: matplotlib will provide
      enthought.traits: no

[Edit setup.cfg to suppress the above messages]
============================================================================
pymods ['pylab', 'configobj']
packages ['matplotlib', 'matplotlib.backends', 'matplotlib.projections',
'mpl_toolkits', 'matplotlib.numerix', 'matplotlib.numerix.mlab', '
matplotlib.numerix.ma', 'matplotlib.numerix.npyma',
'matplotlib.numerix.linear_algebra', 'matplotlib.numerix.random_array',
'matplotlib.numerix.fft', 'matplotlib.delaunay', 'pytz', 'dateutil',
'dateutil/zoneinfo', 'matplotlib.config']
running build
running build_py
creating build
...
...
running build_ext
building 'matplotlib.ft2font' extension
creating build/temp.cygwin-1.5.25-i686-2.5
creating build/temp.cygwin-1.5.25-i686-2.5/src
creating build/temp.cygwin-1.5.25-i686-2.5/CXX
gcc -fno-strict-aliasing -DNDEBUG -g -O3 -Wall -Wstrict-prototypes
-I/usr/lib/python2.5/site-packages/numpy-1.2.0-py2.5-cygwin-1.5.25-i686.egg/numpy/core/include
-I/usr/include/freetype2 -I/usr/include -I. -I/usr/include/python2.5 -c
src/ft2font.cpp -o build/temp.cygwin-1.5.25-i686-2.5/src/ft2font.o
Unable to free colormap, palette is still selected.
gcc: fork: Resource temporarily unavailable
error: command 'gcc' failed with exit status 1

Attachment: setupext_empty_tk_lib_fix.patch
Description: Binary data

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