Hi,
I have a C-extention build with distutils that I would like to debug.
How can I specify to distuils to pass option "-g" and not "-O2" along to
the compiler (gcc)?
Jesper 4 2285
Jesper Olsen wrote: Hi,
I have a C-extention build with distutils that I would like to debug.
How can I specify to distuils to pass option "-g" and not "-O2" along to the compiler (gcc)?
python setup.py build --debug
-- Gerhard
Gerhard Häring <gh@ghaering.de > wrote in message news:<ma******* *************** *************** *@python.org>.. . Jesper Olsen wrote: Hi,
I have a C-extention build with distutils that I would like to debug.
How can I specify to distuils to pass option "-g" and not "-O2" along to the compiler (gcc)?
python setup.py build --debug
-- Gerhard
No - that does not change the options. I think it only links against a version
of the python lib, which has been compiled for debugging.
However, I want to debug my own extention - not the python interpretor.
I'm not the first to have this problem: http://tinyurl.com/35ddd
but that solution only works for the windows environment.
I'm on OpenBSD, and would prefer to stay there also while debugging...
Thanks
Jesper
Jesper Olsen wrote: [...] No - that does not change the options. I think it only links against a version of the python lib, which has been compiled for debugging.
However, I want to debug my own extention - not the python interpretor.
I'm not the first to have this problem:
http://tinyurl.com/35ddd
but that solution only works for the windows environment. I'm on OpenBSD, and would prefer to stay there also while debugging...
I don't think that's relevant here. To be honest, I didn't need to add
any flags on Linux to debug my extensions. -g always gets added there
automatically.
Perhaps this comment from distutils/unixcompiler.py will help you fixing
your build environment:
# * optimization/debug/warning flags; we just use whatever's in Python's
# Makefile and live with it. Is this adequate? If not, we might
# have to have a bunch of subclasses GNUCCompiler, SGICCompiler,
# SunCCompiler, and I suspect down that road lies madness.
Maybe your OpenBSD Python was compiled without -g and thus your
extensions are compiled without -g as well.
-- Gerhard
Gerhard Häring <gh@ghaering.de > wrote in message news:<ma******* *************** *************** *@python.org>.. . Jesper Olsen wrote: [...] No - that does not change the options. I think it only links against a version of the python lib, which has been compiled for debugging.
However, I want to debug my own extention - not the python interpretor.
I'm not the first to have this problem:
http://tinyurl.com/35ddd
but that solution only works for the windows environment. I'm on OpenBSD, and would prefer to stay there also while debugging...
I don't think that's relevant here. To be honest, I didn't need to add any flags on Linux to debug my extensions. -g always gets added there automatically.
Perhaps this comment from distutils/unixcompiler.py will help you fixing your build environment:
# * optimization/debug/warning flags; we just use whatever's in Python's # Makefile and live with it. Is this adequate? If not, we might # have to have a bunch of subclasses GNUCCompiler, SGICCompiler, # SunCCompiler, and I suspect down that road lies madness.
Maybe your OpenBSD Python was compiled without -g and thus your extensions are compiled without -g as well.
-- Gerhard
Thanks Gerhard.
I think you are right - it simply grabs the options that were used for
compiling the interpreter. So recompiling the interpreter would
probably solve the problem.
I thought I remembered that it was possible to specify your own
options in the setup.py script - but I can't find it in the online
manual, so maybe it is just
Alzheimer.
The easiest in this situation is probably to not use distutils, and
simply write a normal makefile for creating that .so library.
It is not hard to do, but I wish distutils could autogenerate it, and
let
me edit it.
Most of the time distutils does a good job, and this would only be a
small
addition given what it does now.
/Jesper This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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