Merge branch '521-align-cmsg-buffers' into 'master'

Resolve "BIND 9.11.4 terminates with SIGBUS error when compiled with Oracle Developer Studio 12.6"

Closes #521

See merge request !758
26 jobs for master in 9 minutes and 21 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Precheck
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amd64 docker linux
precheck:debian:sid:amd64

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  Build
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amd64 docker linux
build:centos:centos6:amd64

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passed #55163
amd64 docker linux
build:centos:centos7:amd64

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passed #55164
amd64 docker linux
build:clang:debian:stretch:amd64

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passed #55168
i386 docker linux
build:clang:debian:stretch:i386

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amd64 docker linux
build:debian:jessie:amd64

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amd64 docker linux
build:debian:sid:amd64

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passed #55169
i386 docker linux
build:debian:sid:i386

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passed #55166
amd64 docker linux
build:debian:stretch:amd64

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passed #55170
amd64 docker linux
pkcs11:build:debian:sid:amd64

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  Test
passed #55184
amd64 docker linux
install:debian:sid:amd64

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passed #55186
amd64 docker linux
pkcs11:systemtest:debian:sid:amd64

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passed #55185
amd64 docker linux
pkcs11:unittest:debian:sid:amd64

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passed #55178
amd64 docker linux
systemtest:centos:centos6:amd64

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passed #55179
amd64 docker linux
systemtest:centos:centos7:amd64

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passed #55180
amd64 docker linux
systemtest:debian:jessie:amd64

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passed #55182
amd64 docker linux
systemtest:debian:sid:amd64

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passed #55183
i386 docker linux
systemtest:debian:sid:i386

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passed #55181
amd64 docker linux
systemtest:debian:stretch:amd64

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passed #55171
amd64 docker linux
unittest:centos:centos6:amd64

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passed #55172
amd64 docker linux
unittest:centos:centos7:amd64

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passed #55176
amd64 docker linux
unittest:clang:debian:stretch:amd64

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passed #55173
amd64 docker linux
unittest:debian:jessie:amd64

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passed #55175
amd64 docker linux
unittest:debian:sid:amd64

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passed #55177
i386 docker linux
unittest:debian:sid:i386

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passed #55174
amd64 docker linux
unittest:debian:stretch:amd64

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