Adjustements to CI infrastructure for changes in build dependencies.

Andrew Cooper (2):
  tools: Drop gettext as a build dependency
  CI: Add zstd/etc libraries to build environments

 .cirrus.yml                                        |  2 +-
 .travis.yml                                        |  1 -
 README                                             |  1 -
 automation/build/alpine/3.12-arm64v8.dockerfile    |  1 -
 automation/build/alpine/3.12.dockerfile            |  3 +-
 automation/build/centos/7.2.dockerfile             |  1 +
 automation/build/centos/7.dockerfile               |  1 +
 automation/build/debian/jessie-i386.dockerfile     |  1 +
 automation/build/debian/jessie.dockerfile          |  1 +
 automation/build/debian/stretch-i386.dockerfile    |  1 +
 automation/build/debian/stretch.dockerfile         |  1 +
 .../build/debian/unstable-arm64v8.dockerfile       |  1 +
 automation/build/debian/unstable-i386.dockerfile   |  1 +
 automation/build/debian/unstable.dockerfile        |  1 +
 automation/build/fedora/29.dockerfile              |  1 +
 automation/build/suse/opensuse-leap.dockerfile     |  1 +
 .../build/suse/opensuse-tumbleweed.dockerfile      |  1 +
 automation/build/ubuntu/bionic.dockerfile          |  1 +
 automation/build/ubuntu/focal.dockerfile           |  3 +-
 automation/build/ubuntu/trusty.dockerfile          |  1 +
 automation/build/ubuntu/xenial.dockerfile          |  1 +
 .../tests-artifacts/alpine/3.12-arm64v8.dockerfile |  1 +
 tools/configure                                    | 49 ----------------------
 tools/configure.ac                                 |  2 -
 24 files changed, 21 insertions(+), 57 deletions(-)

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2.11.0