Automated RPM-based-Linux build setup? (was Re: Automated Windows build setup? (Chocolatey?))

[Guy Harris <guy () alum mit edu>]

On Nov 25, 2015, at 11:01 AM, Peter Wu <peter () lekensteyn nl> wrote:

> Has there been any progress/work on an automated Windows environment
> setup? On Debian/Ubuntu it is as easy as "apt-get build-dep wireshark".

Speaking of automated build setups:

A quick look at the DNF man page on Fedora 23 doesn't seem to indicate that there's any equivalent to build-dep, i.e. 
nothing to find out what are the *source* packages for the dependencies of a binary package, and installing *them*.

For RPM, is there not a way to say "what packages are required to build this possibly-not-installed package?"  
("Possibly-not-installed" is significant here - somebody might not have Wireshark installed from the repository, and 
might want to build it from source without having to build and install all its dependencies from source.)

I.e., for a package in the repository (whether it's installed or not), what packages are mentioned in the BuildRequires 
entries for that package?
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