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Message #38206
Re: Separated debug symbols
Le 27/10/2018 à 11:18, jp charras a écrit :
> Le 26/10/2018 à 22:18, Maciej Suminski a écrit :
>> What do you think about providing archives with debug symbols for
>> Windows builds? It is a platform where we rarely get a stacktrace,
>> because the process is not trivial and Windows debug builds take lots of
>> space (_pcbnew.kiface is ~1.5 GB on my PC). Normally it would be wasted
>> bandwidth, but from time to time we get bug reports which noone else can
>> reproduce and then a stacktrace would be of great help.
>>
>> I have written a patch that adds a CMake flag to split debug information
>> to another file. This way we could offer compact binaries to the users
>> and ask them to download debug information only in case of serious
>> problems. There is already GDB shipped with the nightly installers, so
>> then getting a stacktrace becomes feasible or we could use catchsegv [1]
>> for an automated approach (see the attached example log; do not worry
>> about the null pointer dereference - I added it temporarily to test the
>> software). Obviously, Thomas' crash reporter looks even more convenient,
>> but it is not mingw-gcc compatible [2]. The patch is also compatible
>> with BUILD_SMALL_DEBUG_FILES flag.
>>
>> I have not pushed the patch yet, as I still wonder whether adding
>> another CMake flag is a good idea. Just now I realized that there are
>> just a few extra commands to create the needed files, so perhaps they
>> could be executed by the build scripts on Jenkins hosts.
>>
>> Cheers,
>> Orson
>>
>> 1. https://github.com/jrfonseca/drmingw/tree/master/src/catchsegv
>> 2.
>> https://docs.wxwidgets.org/3.0/group__group__funcmacro__appinitterm.html#ga28a4fb827b93fa6bac18c9666c23ee10
>
> Hi Orson,
>
> I tested your patch without any issue on W7 32 bits and gdb.
>
> With -DBUILD_SMALL_DEBUG_FILES=ON option, the binaries are about 20 time
> smaller than without this option.
>
> In fact on my 32 bits install, without this option, I cannot load pcbnew
> from Kicad or with gdb and load a medium complexity board: I am running
> out of memory.
>
> In countries using a comma as FP separator, there is a problem:
> When loading a bitmap, and perhaps some config files, a wxASSERT is
> displayed (see attached copy)
> I tried to fix this wxWidgets alert, but no luck.
Hi Orson,
I just committed a fix to hide the alert dialog message about FP
separator in countries using the comma (Windows specific), when
reading/writing files.
This alert dialog message is overzealous in our case.
--
Jean-Pierre CHARRAS
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