gmp-ecm is missing after install

Bug #1835739 reported by Jeffrey Walton on 2019-07-08

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This bug affects 1 person
Affects Status Importance Assigned to Milestone
gmp-ecm (Ubuntu)

Bug Description

I've installed gmp-ecm on disco, but it is missing after install:

$ sudo apt-get install gmp-ecm
Reading package lists... Done
Building dependency tree
Reading state information... Done
gmp-ecm is already the newest version (7.0.4+ds-5).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

$ gmp-ecm 123456789
gmp-ecm: command not found

According to, the package includes gmp-ecm:

  Binary: gmp-ecm, libecm1, libecm1-dev, libecm1-dev-common, libecm-dev


   gmp-ecm deb math optional arch=any
   libecm-dev deb oldlibs optional arch=all
   libecm1 deb libs optional arch=any
   libecm1-dev deb libdevel optional arch=any
   libecm1-dev-common deb libdevel optional arch=all

I'm guessing gmp-ecm got renamed somewhere along the lines, but the rename is not documented. It may be a good idea to list the binary's name in "Binaries" section.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 19.04
Release: 19.04
Codename: disco

Hans Joachim Desserud (hjd) wrote :

Thanks for reporting.

The line
  Binary: gmp-ecm, libecm1, libecm1-dev, libecm1-dev-common, libecm-dev
refers to the binary packages built by this source package. In other words, the gmp-ecm source is used to create these multiple installable packages.

The executable binaries are part of the packages, but they don't necessarily share the same name. Looking at the gmp-ecm package in question [1], I see that it contains a binary named `ecm`. This might be the executable you are looking for. :)


Changed in gmp-ecm (Ubuntu):
status: New → Incomplete
tags: added: disco
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