sys-siglist missing in Docker build

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anders

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May 28, 2019, 3:06:24 PM5/28/19
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I am trying to run "Hello Eiffel" in a Docker container at Ubuntu 18.04. It does not start so I run 

 ldd eiffeltest

inside docker and get this message:

        /lib64/ld-linux-x86-64.so.2 (0x7fe2cec90000)
        libm.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fe2cec90000)
        libpthread.so.0 => /lib64/ld-linux-x86-64.so.2 (0x7fe2cec90000)
        libc.so.6 => /lib64/ld-linux-x86-64.so.2 (0x7fe2cec90000)
Error relocating eiffeltest: sys_siglist: symbol not found



I found this recent commit:

Revision 102961 - Directory Listing 
Modified Fri Mar 15 17:16:24 2019 UTC (2 months, 1 week ago) by jfiat
Replaced "sys_siglist[sig]" by "strsignal(sig)" .
- the "strsignal" manpage recommends to use strsignal instead of the "sys_siglist" array when possible.
- "strsignal" is more portable (sometime "sys_siglist" is not available -- for instance in "musl-dev" with Alpine linux).
( Contribution from https://github.com/EiffelSoftware/EiffelStudio/pull/44 )




Do you think it is related to my problem? Can I solve it by adding any package or do I need to upgrade

This is the star of the Docker file:

FROM ubuntu:18.04

RUN apt-get update \
        && apt-get -y install \
curl bzip2 make gcc git-core libc6 libsm6 \
apache2 libapache2-mod-fcgid libfcgi-dev \
        && rm -rf /var/lib/apt/lists/*


anders

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May 29, 2019, 4:43:47 PM5/29/19
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After upgrading to 19.05 I got this errors instead. Unable to find the reason. As usual the executable works fine outside Docker.

Error relocating eiffeltest: __longjmp_chk: symbol not found
Error relocating eiffeltest: __fprintf_chk: symbol not found
Error relocating eiffeltest: __memcpy_chk: symbol not found
Error relocating eiffeltest: __strcat_chk: symbol not found
Error relocating eiffeltest: __strcpy_chk: symbol not found
Error relocating eiffeltest: __fread_chk: symbol not found
Error relocating eiffeltest: __sprintf_chk: symbol not found

Emmanuel Stapf

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May 30, 2019, 12:44:48 AM5/30/19
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Looks like you need to follow this advice and install glibc onto your
docker image: https://github.com/frol/docker-alpine-glibc/blob/master/Dockerfile.

More info at https://github.com/android-ndk/ndk/issues/354

Manu
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Anders Persson

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May 30, 2019, 2:27:50 AM5/30/19
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Thanks, I will try that. I have tried installing glibc but always failed. This seems as a potential solution.

Vänligen

Anders Persson
+46 763 17 23 25



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Jocelyn Fiat

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May 30, 2019, 6:09:35 AM5/30/19
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An alternative is to use the eiffel/eiffel docker image:

docker pull eiffel/eiffel
docker -it --rm eiffel/eiffel /bin/bash

I started experimentation with alpine Linux, but I ended up using the Debian base image, as in practice it was easier to extend and install other packages.

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anders

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May 31, 2019, 1:16:27 AM5/31/19
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Thanks Manu and Jocelyn

I found the problem. It was due to me not understanding how Docker works.

I had this in the beginning

FROM ubuntu:18.04

then I later wanted to include yet another software and did something like this

FROM XXXX

and of course I got another LInux, Without investigating it further I probably got alpine Linux and then the problem described in this post. By removing that FROM XXX it solved the problem. I now have the following start of my Docker file


FROM ubuntu:18.04

RUN apt-get update && apt-get install -y --no-install-recommends \ ca-certificates curl \ bzip2 \ gcc make \ libxtst-dev \ libgtk2.0-dev \ libssl-dev \ && apt-get clean \ && rm -rf /var/lib/apt/lists/*


and then the Hello Eiffel example works and my own Eiffelserver

Regards

Anders
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