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Re: [Discuss-gnuradio] Pybombs 2.0 woes


From: Marcus Müller
Subject: Re: [Discuss-gnuradio] Pybombs 2.0 woes
Date: Sat, 5 Mar 2016 16:45:37 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0

Hi Mike,

I'm not overly involved with PyBOMBS myself, but just to "catch" you right now:

On 05.03.2016 16:20, Mike Willis wrote:

I just wasted an hour or so trying to get this to work. Clearly it is still early beta but with promise. The first time I tried I got as far as the UHD install, which crashed with an uninformative error 2.

Huh, that's uninformative, indeed.

I think there is some implicit assumption going on in the developers head that non developers might understand what is going on, or know how to find out what that is.

Not really, but it's kind of that something like that usually sparks my curiosity, so personally, I might have a pretty high tolerance for that kind of trouble :D

Following advice here I descended down a rabbit hole and tried to start again “pip uninstall pybombs”. Pip was not found.

Uninstalling pybombs via pip only makes sense if you've installed it via pip ("pip install pybombs"). Seemingly, you've either gotten PyBombs through different means, so investigating pip doesn't really make sense, or something uninstalled pip after you've installed it, and installed Pybombs with it. That would be strange.

Pip and by the way, its actually called “python-pip” if you can’t find it,

Please don't confuse the program name and the executable of the same name, pip, with the name of the package in which Ubuntu ships it (python-pip).

can be installed from apt-get install python-pip. After uninstalling pybombs with pip I tried to re-install with pip and now I get almost nowhere as “pip list” generates an error. So I have uninstalled pip and all is well again.

 

That has fixed the pip problem but not the UHD installation crash, but as a by product the error messages have become more verbose – and guess what? The problem is an undeclared type. THIS SAME ISSUE WITH UNDEFINED TYPES (shout so it sinks in, then repeat because it didn’t) THIS SAME ISSUE WITH UNDEFINED TYPES  that has been around for over a YEAR in UHD and in this case rx_dsp_core_200.cpp.

There is no such issue I know of. Now, that doesn't mean there's no issue, it just means that none of the other users I've talked to nor myself encountered it. However, probabilistically speaking, that's indicative of something being wrong with your system...

Every so often I point it out and someone fixes it and later on someone else (I wonder if this is the same person who broke it last time) then adds some new code somewhere else recreating the same errors. In this case its uintptr_t that is not declared.

Um, sorry, I don't even see uintptr_t in rx_dsp_core_200.cpp, and I've searched through its file history: It never occurred there. So to research this issue, I'll need your full "make" output. Maybe your version of Ubuntu fell off the testing bandwagon: which version of Ubuntu are you using?

A good motto is to assume nothing and please make sure you declare everything.

uintptr_t is a standard type. See "man stdint.h".

Best regards,
and hoping we can figure out what goes wrong here,

Marcus

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