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Re: how to type math symbols in gnu emacs 2.12.19

From: Tim X
Subject: Re: how to type math symbols in gnu emacs 2.12.19
Date: Fri, 18 Feb 2011 10:50:26 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

"a.efremov" <address@hidden> writes:

> On Feb 17, 10:41 am, Peter Dyballa <address@hidden> wrote:
>> Am 17.02.2011 um 02:47 schrieb a.efremov:
>> > checking for alloca... no
>> > checking whether `alloca.c' needs Cray hooks... no
>> > checking stack direction for C alloca... -1
>> > configure: error: a system implementation of alloca is required
>> The file config.log can give you more details.
>> When the buffer's encoding is set to UTF-8 you can simply type the  
>> maths characters on your keyboard. When you set read-quoted-char-radix  
>> to 16 you can insert them by typing C-q 2 2 6 b <something not  
>> hexadecimal> or C-q 1 d 7 4 a <something not hexadecimal> to insert  
>> the character from this position in Unicode (U+226B or U+1D74A). UTF-8  
>> support is improved in GNU Emacs 23.x.
>> When you copy something in a modern windowing system, then not only  
>> some text is copied (and this text can be copied in many different  
>> coding systems) but also text attributes (bold, not upright, at 24  
>> pt). And this combination is inserted by pasting it into some buffer –  
>> in a different text encoding. Some customisation can be done in the  
>> windowing system and some in GNU Emacs.
>> --
>> Greetings
>>    Pete
>> There is no national science just as there is no national  
>> multiplication table; what is national is no longer science.
>>                                 – Anton Checov
> hello,
> adding soft link definitely helps to build binary > ll /usr/lib64/
> libX11.*
> lrwxrwxrwx 1 root root      11 2011-02-17 12:46 /usr/lib64/ -
> emacs runs. Unicode symbols are ok on display. instead of just \xxx as
> it was with emacs-22.
> But. Menu doesnt work at all, emacs always pop up File-menu. then very
> unfriendly black menu bar ..
> address@hidden emacs-23.2]$ ldd /usr/local/bin/emacs
> =>  (0x00007fffe01ff000)
> => /usr/lib64/ (0x00000034ab000000)
> => /lib64/ (0x0000003898a00000)
> => /lib64/ (0x00000034a8400000)
> => /lib64/ (0x00000034a8000000)
> => /lib64/ (0x0000003898200000)
> => /usr/lib64/
> (0x00000034aac00000)
> => /usr/lib64/ (0x00000034aa000000)
> => /lib64/ (0x00000034a8800000)
>         /lib64/ (0x00000034a6e00000)
> => /usr/lib64/ (0x00000034aa800000)
> => /usr/lib64/ (0x00000034aa400000)
> I have a feeling that emacs is broken and doesnt work as expected. in
> my configuration. Dont know what I should look at to spot the problem.
Many modern Linux distributions that use a package system have the
ability to ensure necessary dev libraries and other required tools for
building a package are installed and will install them if there not. 

For example, under Debian based systems, you have apt-get --build-dep
<package> which will install all the necessary build dependencies for a
package. This can be very useful when you want to build a later version
from sources as it takes away some of the pain of ensuring all necessary
packages are installed. 

So, when I wanted to build emacs 24 from sources, the first thing I did
was run 

apt-get --build-dep emacs23

which ensured all the necessary packages to build emacs 23 were
installed. Then all I had to do was manually add any new libraries used
by emacs 24 (in this case, there were none). 

I believe (from memory) rpm has a similar facility. Recommend you look
into it as it will help ensure your system has the necessary libs for
building emacs - may make life easier. 

If you still have problems, check the config.log file. It will tell you
what was not available and what you may still need to install.


tcross (at) rapttech dot com dot au

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