Mail Archives: cygwin/2007/07/28/08:42:48
Steve Holden wrote:
> Yaakov (Cygwin Ports) wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>> Steve Holden wrote:
>>> I have tried to install it, but each time I do I see the first compile
>>> command start to run and the process hangs. If I CTRL/C the setup.py
>>> and restart it, it begins the next compile (implying that the previous
>>> one succeeded), which again hangs. I see python.exe still running for
>>> each install run I have interrupted, which I have to kill manually.
>>
>> Try rebaseall.
>>
> Unfortunately I did that before I posted. Sorry, should have mentioned it.
>
[Note for distutils-sig readers: I am trying to track down a build issue
with version 1.1.6 of the PIL under Cygwin - nobody else reports any
successful or failed experiences building this package].
Here's the output from a failed setup run with a couple of debug prints
inserted which should report how sub-process termination occurred - it
hangs after this output.
$ python setup.py build
running build
running build_py
running build_ext
building '_imaging' extension
SPAWN: ['gcc', '-fno-strict-aliasing', '-DNDEBUG', '-g', '-O3', '-Wall',
'-Wstrict-prototypes', '-DHAVE_LIBZ', '-IlibImaging', '-I/usr/include',
'-I/usr/include/python2.5', '-c', 'libImaging/Chops.c', '-o',
'build/temp.cygwin-1.5.24-i686-2.5/libImaging/Chops.o'] PATH? 1 V: 0 D:0
gcc -fno-strict-aliasing -DNDEBUG -g -O3 -Wall -Wstrict-prototypes
-DHAVE_LIBZ -
IlibImaging -I/usr/include -I/usr/include/python2.5 -c
libImaging/Chops.c -o bui
ld/temp.cygwin-1.5.24-i686-2.5/libImaging/Chops.o
Are we done yet? Waiting on pid 3280
As a further follow up, I extracted the _spawn_all function and ran it
under command line control.
Everything seems to work fine with other subtasks, so I am wondering
whether this is a failure specific to gcc, which would seem kind of
unlikely. So I ran the same compile using my test function standing
alone, and see
sholden AT bigboy ~/Imaging-1.1.6
$ python ~/Projects/Python/spawntest.py gcc -fno-strict-aliasing
-DNDEBUG -g -O3 -Wall -Wstrict-prototypes -DHAVE_LIBZ -IlibImaging
-I/usr/include -I/usr/include/python2.5 -c libImaging/Chops.c -o
build/temp.cygwin-1.5.24-i686-2.5/libImaging/Chops.o
Are we done yet? Waiting on pid 3244
Got pid, status 3244 0
Got WIFEXITED 0
So it appears unlikely to be gcc-specific, leaving me wondering what
exactly is the difference between the build environment and my tests.
regards
Steve
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