Re: [Texmacs-dev] Experimental Qt port

[Juan Pablo Romero Méndez]

Ok, now I've set TEXMACS_PATH  and GUILE_LOAD_PATH properly and
compiled with  --enable-debug

I'm using Qt 4.4.0
gcc: 4.2.1
KDE 4.1.1

Attached is the output of gdb.





On Tue, Sep 30, 2008 at 6:29 AM,  <address@hidden> wrote:
> Thanks,
>
>
> On 30 sept. 08, at 08:25, Juan Pablo Romero Méndez wrote:
>
>> Now it compiles with just one change:
>>
>> in src/Plugins/Qt/QTMGuiHelper.hpp
>>
>> line 45:
>>
>> virtual int QTMStyle::pixelMetric(PixelMetric metric, const
>> QStyleOption *opt, const QWidget *widget) const;
>>
>>
>> gcc 4.2.1 requires:
>>
>> virtual int pixelMetric(PixelMetric metric, const QStyleOption *opt,
>> const QWidget *widget) const;
>>
>>
>> The problem is in execution; it seg faults with any keystroke.
>>
>> I've tried debugging it, but I'm not sure how. I tried launching "gdb
>> texmacs.bin procID"
>>
>> this is the result of "bt":
>>
>> (gdb) r
>> The program being debugged has been started already.
>> Start it from the beginning? (y or n) y
>> Starting program:
>> /home/jpablo/extra/texmacs-cvs/libexec/TeXmacs/bin/texmacs.bin
>> (no debugging symbols found)
>> (no debugging symbols found)
>> [Thread debugging using libthread_db enabled]
>> [New Thread 0xb6efb9b0 (LWP 12021)]
>> TeXmacs] couldn't concretize ? (none)
>> TeXmacs] couldn't concretize ? (none)
>> TeXmacs] couldn't concretize ? (concat, xxx, ? (concat, fonts, type1))
>> TeXmacs] couldn't concretize ? (concat, xxx, ? (concat, fonts, type1))
>>
>> TeXmacs]
>> TeXmacs] Installation problem: please send a bug report.
>> TeXmacs] The initialization file init-texmacs.scm could not be found.
>> TeXmacs] Please check the values of the environment variables
>> TeXmacs] TEXMACS_PATH and GUILE_LOAD_PATH. init-texmacs.scm should
>> TeXmacs] be readable and in the directory $TEXMACS_PATH/progs
>> TeXmacs] or in the directory $GUILE_LOAD_PATH
>> TeXmacs]
>>
>> Fatal error: Guile could not be found in 'init_guile'
>> See file   : init_texmacs.cpp
>>
>> Program received signal SIGABRT, Aborted.
>> [Switching to Thread 0xb6efb9b0 (LWP 12021)]
>> 0xffffe410 in __kernel_vsyscall ()
>> (gdb) bt
>> #0  0xffffe410 in __kernel_vsyscall ()
>> #1  0xb70568f5 in raise () from /lib/libc.so.6
>> #2  0xb70581e1 in abort () from /lib/libc.so.6
>> #3  0x08421b85 in FT_Select_Charmap ()
>> #4  0x085ba300 in ?? ()
>> #5  0x085950fd in ?? ()
>> #6  0x00000001 in ?? ()
>> #7  0xbfccac7c in ?? ()
>> #8  0x00000018 in ?? ()
>> #9  0x00000018 in ?? ()
>> #10 0x0000000a in ?? ()
>> #11 0x0841fdb0 in FT_Select_Charmap ()
>> #12 0x00000020 in ?? ()
>> #13 0x0863bc01 in ?? ()
>> #14 0x705ba300 in ?? ()
>> #15 0xbfccac7c in ?? ()
>> #16 0xbfccac78 in ?? ()
>> #17 0xbfccac74 in ?? ()
>> #18 0xbfccac98 in ?? ()
>> #19 0x083237d8 in FT_Select_Charmap ()
>> #20 0xbfccac7c in ?? ()
>> #21 0xbfccac78 in ?? ()
>> #22 0xbfccac74 in ?? ()
>> #23 0xbfccac68 in ?? ()
>> #24 0xb7095179 in free () from /lib/libc.so.6
>> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
>> (gdb)
>>
>>
>
> If you want to debug by calling directly the executable I think you should
> properly set TEXMACS_PATH  and GUILE_LOAD_PATH  before.
> Also, what verision of Qt do you have?
>
> massimiliano
>
>
>
>
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>

gdb-texmacs-qt.txt
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