Merge pull request #2030 from jan-cerny/update_devel_docs

Update build dependencies in Developer guide

Author: marcusburghardt

docs/developer/developer.adoc

@@ -49,34 +49,34 @@ Build dependencies may vary depending on enabled features (by the `cmake` comman
 Some of the dependencies are optional, if they are not detected, openscap will be compiled
 without respective optional features.
 
-On RHEL 7 / Fedora 23 / CentOS 7, the command to install the build dependencies is:
+On RHEL 7 / CentOS 7, the command to install the build dependencies is:
 
 ----
 sudo yum install \
 cmake dbus-devel GConf2-devel libacl-devel libblkid-devel libcap-devel libcurl-devel \
 libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel libattr-devel make openldap-devel \
 pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python-devel rpm-devel swig \
-bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel apt-devel
+bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel
 ----
 
 On Fedora 24+, the command to install the build dependencies is:
 
 ----
-sudo yum install \
+sudo dnf install \
 cmake dbus-devel GConf2-devel libacl-devel libblkid-devel libcap-devel libcurl-devel \
 libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel libattr-devel make openldap-devel \
 pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python3-devel python3-dbusmock rpm-devel swig \
 bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel apt-devel
 ----
 
-On RHEL 8 / CentOS 8, the command to install the build dependencies is:
+On RHEL 8+ / CentOS 8+, the command to install the build dependencies is:
 
 ----
-sudo yum install \
+sudo dnf install \
 cmake dbus-devel libacl-devel libblkid-devel libcap-devel libcurl-devel \
 libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel libattr-devel make openldap-devel \
 pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python36-devel rpm-devel swig \
-bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel apt-devel
+bzip2-devel gcc-c++ libyaml-devel xmlsec1-devel xmlsec1-openssl-devel
 ----
 
 On Ubuntu 16.04, Debian 8 or Debian 9, the command to install the build dependencies is: