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Old 10-15-2016, 09:07 PM   #1
Sefyir
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Compiling unison


Unison is great, except when you can't install the same version on two different systems

Raspberry Pi with Rasbian - Debian Jessie
Linux Mint 18 Cinnamon - Ubuntu 16.04

Linux Mint
Code:
unison -version
unison version 2.48.3
Raspberry Pi
Code:
unison -version
unison version 2.40.102
Ideally, I'd like to install using the package manager. However, I'm currently attempting to compile on the raspberry pi to get 2.48

I've obtained the source from here and ran as the directions indicate - opam
Code:
sudo apt-get install ocaml opam
make UISTYLE=text
However, it fails trying to find etags (according to sh), but I can't seem to find how to install it, some guides are 2 decades old - but apparently it's related to emacs somehow?

Code:
if [ -f `which etags` ]; then \
    etags *.mli */*.mli *.ml */*.ml */*.m *.c */*.c *.txt \
          ; fi 
/bin/sh: 2: etags: not found
Makefile:347: recipe for target 'tags' failed
make[1]: [tags] Error 127 (ignored)
make[1]: Leaving directory '/home/foo/src'
I don't care about the newest version here - just trying to get identical version so I can sync my files
 
Old 10-15-2016, 10:08 PM   #2
c0wb0y
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apt-get, aptitude may help you find which package provides which binary.
 
Old 10-16-2016, 04:48 AM   #3
pan64
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probably you may try to compile it yourself: http://www.crutzi.info/unison/binary/armel but probably you need to use 2.40 on ubuntu too.
you need to install the package containing etags to be able to continue that
 
Old 10-16-2016, 05:33 AM   #4
ondoho
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Sefyir, please help me to remember in which situation you need unison on both machines?
iirc, it was when using the ssh feature?
in any case, i had the same problem.
what i do now, i locally mount the remote location with sshfs, and then unison can use it as a local folder, no need to have it installed on the remote machine.
hope this helps.
 
Old 10-16-2016, 11:19 AM   #5
Sefyir
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Quote:
Originally Posted by pan64 View Post
probably you may try to compile it yourself: http://www.crutzi.info/unison/binary/armel but probably you need to use 2.40 on ubuntu too.
you need to install the package containing etags to be able to continue that
Thanks for this link. The below quote helped

Quote:
It might fail with an error, but the unison binary should have been build successfully already.
After examining it, it turns out the binary was compiled anyways after the failure and works fine!
 
  


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