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Merge pull request #452 from banburybill/feature/readme-polish 

More small README tweaks
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Willem Toorop 2020-02-11 15:45:52 +01:00 committed by GitHub
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@ -87,7 +87,7 @@ Required to build the documentation:
For example, to build on Ubuntu 18.04 or later, you would need the following packages for a full build:
# apt install build-essential libunbound-dev libidn2-dev libssl-dev cmake
# apt install build-essential libunbound-dev libidn2-dev libssl-dev cmake check
# Building
@ -113,8 +113,9 @@ Additionally `Stubby` a DNS Privacy enabled client can also be built and install
## Minimizing dependencies
* getdns can be configured for stub resolution mode only with the `ENABLE_STUB_ONLY` option to `cmake`. This removes the dependency on `libunbound`.
* Currently getdns only offers two helper functions to deal with IDN: `getdns_convert_ulabel_to_alabel` and `getdns_convert_alabel_to_ulabel`. If you do not need these functions, getdns can be configured to compile without them by setting the`USE_LIBIDN2` option to `cmake` to OFF.
* Currently getdns only offers two helper functions to deal with IDN: `getdns_convert_ulabel_to_alabel` and `getdns_convert_alabel_to_ulabel`. If you do not need these functions, getdns can be configured to compile without them by setting the `USE_LIBIDN2` option to `cmake` to OFF.
* When `ENABLE_STUB_ONLY` is ON, and `USE_LIBIDN2` is OFF, getdns has only one dependency left, which is OpenSSL.
* By default unit tests are built. These have a dependency on `check`. To disable building unit tests, set option `BUILD_TESTING` to OFF.
## Extensions and Event loop dependencies
@ -251,6 +252,17 @@ If you're using [FreeBSD](https://www.freebsd.org/), you may install getdns via
If you are using FreeBSD 10 getdns can be intalled via 'pkg install getdns'.
## CentOS and RHEL 8
The `libidn2-devel` package can be found in the PowerTools repo on CentOS 8.
# dnf config-manager --set-enabled PowerTools
On RHEL 8, `libidn2-devel` is in the CodeReady Linux Builder channel.
# ARCH=$( /bin/arch )
# subscription-manager repos --enable "codeready-builder-for-rhel-8-${ARCH}-rpms"
## Ubuntu
getdns should also work on Ubuntu 16.04, however if you require IDN functionality you will have to install a recent version of libidn2 via a ppa e.g. from https://launchpad.net/~ondrej/+archive/ubuntu/php