Re: [Scons-dev] Subprocess issue on Linux?
Hi Jason, On 05.04.2014 00:17, Kenny, Jason L wrote: I think yes, in that it does what should be done by the system under posix_spawn.. ie call vfork and execve. Here is the last version of the monkey patch I have from the people working on it. It has a fallback to the classic fork exec if the API's don't exists. It seems to solve the main speed problem for us at the moment. I believe it still being tested to find possible issues. I tried to let SCons run with this patch, but I'm not able to integrate the patching of subprocess.Popen() successfully. I always get an import error for SCons.Util, and fail to see where this is actually coming from: scons: Reading SConscript files ... scons: done reading SConscript files. scons: Building targets ... gcc -o d1_0/f0_sconsbld_d1_0.o -c -Id1_0/lup000_sconsbld_d1_0 -Id1_0/lup001_sconsbld_d1_0 d1_0/f0_sconsbld_d1_0.c Traceback (most recent call last): File /home/dirk/workspace/scons_dirkbaechle/src/engine/SCons/Platform/posix.py, line 42, in module import SCons.Util ImportError: No module named SCons.Util scons: *** [d1_0/f0_sconsbld_d1_0.o] Error 1 scons: building terminated because of errors. Does anybody have a clue and can give me a pointer? I'd like to compare the times for a clean build against the default sources. Regards, Dirk ___ Scons-dev mailing list Scons-dev@scons.org http://two.pairlist.net/mailman/listinfo/scons-dev
Re: [Scons-dev] Subprocess issue on Linux?
Hi Dirk, I am Eugene Leskinen and I am the stubprocess.py module author. How do you import it? From: scons-dev-boun...@scons.org [mailto:scons-dev-boun...@scons.org] On Behalf Of Dirk Bachle Sent: Sunday, April 06, 2014 4:59 PM To: scons-dev@scons.org Subject: Re: [Scons-dev] Subprocess issue on Linux? Hi Jason, On 05.04.2014 00:17, Kenny, Jason L wrote: I think yes, in that it does what should be done by the system under posix_spawn.. ie call vfork and execve. Here is the last version of the monkey patch I have from the people working on it. It has a fallback to the classic fork exec if the API's don't exists. It seems to solve the main speed problem for us at the moment. I believe it still being tested to find possible issues. I tried to let SCons run with this patch, but I'm not able to integrate the patching of subprocess.Popen() successfully. I always get an import error for SCons.Util, and fail to see where this is actually coming from: scons: Reading SConscript files ... scons: done reading SConscript files. scons: Building targets ... gcc -o d1_0/f0_sconsbld_d1_0.o -c -Id1_0/lup000_sconsbld_d1_0 -Id1_0/lup001_sconsbld_d1_0 d1_0/f0_sconsbld_d1_0.c Traceback (most recent call last): File /home/dirk/workspace/scons_dirkbaechle/src/engine/SCons/Platform/posix.py, line 42, in module import SCons.Util ImportError: No module named SCons.Util scons: *** [d1_0/f0_sconsbld_d1_0.o] Error 1 scons: building terminated because of errors. Does anybody have a clue and can give me a pointer? I'd like to compare the times for a clean build against the default sources. Regards, Dirk Closed Joint Stock Company Intel A/O Registered legal address: Krylatsky Hills Business Park, 17 Krylatskaya Str., Bldg 4, Moscow 121614, Russian Federation This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. ___ Scons-dev mailing list Scons-dev@scons.org http://two.pairlist.net/mailman/listinfo/scons-dev
Re: [Scons-dev] Subprocess issue on Linux?
I have just place the stubprocess.py to /opt/python27/lib/scons-2.1.0/SCons/Platform/ directory and added 'import stubprocess' statement to SCons.Platfrom.posix module just after import subprocess: --- /opt/python27/lib/scons-2.1.0/SCons/Platform/posix.py 2014-04-06 17:17:30.0 +0400 +++ /opt/python27/lib/scons-2.1.0/SCons/Platform/posix.py.new 2014-04-06 17:17:07.0 +0400 @@ -36,6 +36,7 @@ import os import os.path import subprocess +import stubprocess import sys import select This what worked for me. From: scons-dev-boun...@scons.org [mailto:scons-dev-boun...@scons.org] On Behalf Of Leskinen, Eugene Sent: Sunday, April 06, 2014 5:05 PM To: dl9...@darc.de; SCons developer list Subject: Re: [Scons-dev] Subprocess issue on Linux? Hi Dirk, I am Eugene Leskinen and I am the stubprocess.py module author. How do you import it? From: scons-dev-boun...@scons.orgmailto:scons-dev-boun...@scons.org [mailto:scons-dev-boun...@scons.org] On Behalf Of Dirk Bachle Sent: Sunday, April 06, 2014 4:59 PM To: scons-dev@scons.orgmailto:scons-dev@scons.org Subject: Re: [Scons-dev] Subprocess issue on Linux? Hi Jason, On 05.04.2014 00:17, Kenny, Jason L wrote: I think yes, in that it does what should be done by the system under posix_spawn.. ie call vfork and execve. Here is the last version of the monkey patch I have from the people working on it. It has a fallback to the classic fork exec if the API's don't exists. It seems to solve the main speed problem for us at the moment. I believe it still being tested to find possible issues. I tried to let SCons run with this patch, but I'm not able to integrate the patching of subprocess.Popen() successfully. I always get an import error for SCons.Util, and fail to see where this is actually coming from: scons: Reading SConscript files ... scons: done reading SConscript files. scons: Building targets ... gcc -o d1_0/f0_sconsbld_d1_0.o -c -Id1_0/lup000_sconsbld_d1_0 -Id1_0/lup001_sconsbld_d1_0 d1_0/f0_sconsbld_d1_0.c Traceback (most recent call last): File /home/dirk/workspace/scons_dirkbaechle/src/engine/SCons/Platform/posix.py, line 42, in module import SCons.Util ImportError: No module named SCons.Util scons: *** [d1_0/f0_sconsbld_d1_0.o] Error 1 scons: building terminated because of errors. Does anybody have a clue and can give me a pointer? I'd like to compare the times for a clean build against the default sources. Regards, Dirk Closed Joint Stock Company Intel A/O Registered legal address: Krylatsky Hills Business Park, 17 Krylatskaya Str., Bldg 4, Moscow 121614, Russian Federation This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. Closed Joint Stock Company Intel A/O Registered legal address: Krylatsky Hills Business Park, 17 Krylatskaya Str., Bldg 4, Moscow 121614, Russian Federation This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. ___ Scons-dev mailing list Scons-dev@scons.org http://two.pairlist.net/mailman/listinfo/scons-dev
Re: [Scons-dev] Subprocess issue on Linux?
Hi Eugene, thanks a lot for your quick answer and very helpful advice. On 06.04.2014 15:21, Leskinen, Eugene wrote: I have just place the stubprocess.py to /opt/python27/lib/scons-2.1.0/SCons/Platform/ directory and added 'import stubprocess' statement to SCons.Platfrom.posix module just after import subprocess: --- /opt/python27/lib/scons-2.1.0/SCons/Platform/posix.py 2014-04-06 17:17:30.0 +0400 +++ /opt/python27/lib/scons-2.1.0/SCons/Platform/posix.py.new 2014-04-06 17:17:07.0 +0400 @@ -36,6 +36,7 @@ import os import os.path import subprocess +import stubprocess import sys import select This what worked for me. This approach works on my side too. I had tried to copy-paste part of the source code directly to the top of SCons/Platform/posix.py, which gave me the reported errors. Best regards, Dirk ___ Scons-dev mailing list Scons-dev@scons.org http://two.pairlist.net/mailman/listinfo/scons-dev