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matrix-org / olm

An implementation of the Double Ratchet cryptographic ratchet in C++/C
https://gitlab.matrix.org/matrix-org/olm
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Cannot "pip install python-olm" Linux Mint / Python 3.6/3.7/3.8 #27

Closed andreasbuhr closed 4 years ago

andreasbuhr commented 4 years ago

Hi there,

whenever I try to "pip install python-olm", I get first an error message

make: *** No rule to make target '../include/olm/olm.h', needed by 'include/olm/olm.h'. Stop.

Then the error message:

build/temp.linux-x86_64-3.6/_libolm.c:544:18: fatal error: olm/pk.h: No such file or directory

The full output is in buildout.txt

libolm-dev is installed:

(virtualenv36) andreas@PC-01:~$ apt search libolm-dev
i   libolm-dev                                                                             - development files for the olm Double Ratchet implementation                                      
p   libolm-dev:i386                                                                        - development files for the olm Double Ratchet implementation                                      
(virtualenv36) andreas@PC-01:~$

This is a Linux Mint (tessa/bionic) system.

poljar commented 4 years ago

The first error is harmless the second one seems to indicate that your libolm-dev might be too old.

What are the versions of those packages you installed?

andreasbuhr commented 4 years ago

Thanks for your quick reply

andreas@PC-01:~$ apt-cache policy libolm-dev
libolm-dev:
  Installed: 2.2.2+git20170526.0fd768e+dfsg-1
  Candidate: 2.2.2+git20170526.0fd768e+dfsg-1
  Version table:
 *** 2.2.2+git20170526.0fd768e+dfsg-1 500
        500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        100 /var/lib/dpkg/status
andreas@PC-01:~$
poljar commented 4 years ago

Yeah that's the problem, the installed libolm-dev is too old.

You'll need to find a 3.1 version of that package, the header that is needed to build the bindings is only available in that version.

andreasbuhr commented 4 years ago

Oh thanks, sorry for the noise

PhieF commented 3 years ago

Same issue with 3.1 here