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Date:	Fri, 06 Mar 2015 23:05:55 -0500
From:	Edgar Gaines <elg476 AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	python3.2 can't find pyconfig.h file, dies
X-TagToolbar-Keys:	D20150306230555656

I'm running Cygwin64 on a Windows 8.1 laptop. Whenever I attempt to run 
either the 'python3' or the 'python3.2' command in a cygwin terminal 
window, I get the error message you see at the end of this email. The 
important part is the last line, to wit:

     IOError: invalid Python installation: unable to open
     /cygdrive/c/cygwin64/include/python3.2m/pyconfig.h (No such file or
     directory)

Note that there is no pyconfig.h in /cygdrive/c/cygwin64/include/, 
because there's no /cygdrive/c/cygwin64/include/ directory:

     $ ls /cygdrive/c/cygwin/include
     /cygdrive/c/cygwin64/bin/ls: cannot access
     /cygdrive/c/cygwin/include: No such file or directory

But there IS* a /cygdrive/c/cygwin64/usr/include directory, and it 
contains the file pyconfig.h in its tree.

     $ ls /cygdrive/cygwin64/usr/include/python3.2m/pyconfig.h
     /cygdrive/c/cygwin64/usr/include/python3.2m/pyconfig.h

So where is the default search path for the pyconfig.h file set? Are we 
talking about the ${prefix} and ${exec_prefix} variables the man page 
refers to?

Just in case someone asks, here's my Cygwin path:

     echo $PATH

/cygdrive/c/cygwin64/bin:/cygdrive/c/cygwin64/usr/local/bin:/cygdrive/c/usr/bin:/cygdrive/c/Cygwin64/home/Edgar/bin:/cygdrive/c/Program 
Files (x86)/ISC BIND 9/bin:/cygdrive/c/Windows:/cygdrive/c/Windows/system32

Thanks in advance for your help.



------------------------------------------------------------------------
_/*FULL ERROR MESSAGE:*/_

$ python3.2
Traceback (most recent call last):
    File "/cygdrive/c/cygwin64/lib/python3.2/sysconfig.py", line 343, in 
_init_posix
      with open(config_h) as f:
IOError: [Errno 2] No such file or directory: 
'/cygdrive/c/cygwin64/include/python3.2m/pyconfig.h'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
    File "/cygdrive/c/cygwin64/lib/python3.2/site.py", line 529, in 
<module> main()
    File "/cygdrive/c/cygwin64/lib/python3.2/site.py", line 517, in
main known_paths = addusersitepackages(known_paths)
    File "/cygdrive/c/cygwin64/lib/python3.2/site.py", line 263, in 
addusersitepackages user_site = getusersitepackages()
    File "/cygdrive/c/cygwin64/lib/python3.2/site.py", line 238, in 
getusersitepackages user_base = getuserbase() # this will also set USER_BASE
    File "/cygdrive/c/cygwin64/lib/python3.2/site.py", line 228, in 
getuserbase USER_BASE = get_config_var('userbase')
    File "/cygdrive/c/cygwin64/lib/python3.2/sysconfig.py", line 525, in 
get_config_var return get_config_vars().get(name)
    File "/cygdrive/c/cygwin64/lib/python3.2/sysconfig.py", line 475, in 
get_config_vars_init_posix(_CONFIG_VARS)
    File "/cygdrive/c/cygwin64/lib/python3.2/sysconfig.py", line 349, in 
_init_posix raise IOError(msg)
IOError: invalid Python installation: unable to open 
/cygdrive/c/cygwin64/include/python3.2m/pyconfig.h (No such file or 
directory)



-- 

Ed Gaines
Raleigh, NC
919-341-9334
elg476 AT gmail DOT com <mailto:elg476 AT gmail DOT com>



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