I installed the freetype-devel libraries and this problem went away.

--Mike

Michael Hearne wrote:
> All:  I am trying to build matplotlib 0.98.3 on a Red Hat Enterprise 5 
> linux box.  I have Tkinter support compiled into my 
> /usr/local/bin/python installation (at least "import Tkinter" raises 
> no exceptions).  However, when I try to build matplotlib using 
> "/usr/local/bin/python setup.py build", I get the output below.  Any 
> hints?  Is this my fault, or a bug in setup.py?
>
> Thanks,
>
> Mike
>
> ============================================================================ 
>
> BUILDING MATPLOTLIB
>            matplotlib: 0.98.3
>                python: 2.5.2 (r252:60911, Sep 15 2008, 16:18:30)  [GCC
>                        4.1.2 20071124 (Red Hat 4.1.2-42)]
>              platform: linux2
>
> REQUIRED DEPENDENCIES
>                 numpy: 1.1.0
>             freetype2: found, but unknown version (no pkg-config)
>                        * WARNING: Could not find 'freetype2' headers 
> in any
>                        * of '/usr/local/include', '/usr/include', '.',
>                        * '/usr/local/include/freetype2',
>                        * '/usr/include/freetype2', './freetype2'.
>
> OPTIONAL BACKEND DEPENDENCIES
>                libpng: 1.2.10
> Traceback (most recent call last):
>  File "setup.py", line 125, in <module>
>    if check_for_tk() or (options['build_tkagg'] is True):
>  File "/home/mhearne/build/matplotlib-0.98.3/setupext.py", line 841, 
> in check_for_tk
>    explanation = add_tk_flags(module)
>  File "/home/mhearne/build/matplotlib-0.98.3/setupext.py", line 1101, 
> in add_tk_flags
>    module.libraries.extend(['tk' + tk_ver, 'tcl' + tk_ver])
> UnboundLocalError: local variable 'tk_ver' referenced before assignment
>

-- 
------------------------------------------------------
Michael Hearne
[EMAIL PROTECTED]
(303) 273-8620
USGS National Earthquake Information Center
1711 Illinois St. Golden CO 80401
Senior Software Engineer
Synergetics, Inc.
------------------------------------------------------


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