no, its not the same commands, I had various problems...
and:
$ mkdir Dolphin
$ cd Dolphin
$ git clone https://code.google.com/p/dolphin-emu/ dolphin-emu
$ cd dolphin-emu
$ mkdir build
$ cd build
$ cmake ..
$ make
$ sudo make install
worked without problems
and:
$ mkdir Dolphin
$ cd Dolphin
$ git clone https://code.google.com/p/dolphin-emu/ dolphin-emu
$ cd dolphin-emu
$ mkdir build
$ cd build
$ cmake ..
$ make
$ sudo make install
worked without problems