Add instructions for installing doxygen on RHEL/Fedora/CentOS
MODIFY
tasks/doc.rake
tasks/doc.rake
@@ -18,7 +18,10 @@ namespace :doc do
sh "doxygen Doxyfile"
rescue
puts "ERROR: To generate C API documents, you need Doxygen."
+ puts "On Debian-based systems:"
puts " $ sudo apt-get install doxygen"
+ puts "On RHEL-based systems:"
+ puts " $ sudo dnf install doxygen"
end
end

Add instructions for installing doxygen on RHEL/Fedora/CentOS