how to install graywolf on CentOS-6.10

[stevemartindell]

I downloaded an unzip'd "graywolf-master.zip". And I read the README.md file.
And the "Install Procedure" says to do:
mkdir build
cd build
cmake ..
make
sudo make install

Question1: what does the "cmake .." line do ?
Question2: "cmake" is not in my default $PATH in my bash shell in CentOS-6.10,
where/what is "cmake"

Note: a normal Linux install would be something like:
make config ( or ./configure)
make
make install

Let me know.
thanks
-steve

[FriendFX]

cmake is a "Cross-platform make system" as described by yum info cmake, you should be able to install it on your system via

yum install cmake

The sequence cd build ; cmake .. is, AFAIU, conceptually similar to what you said about make config or ./configure in that it prepares the build (in the parent folder .., presumably) for the make call that follows.