Get the latest version of Corsika from here:
https://www.ikp.kit.edu/corsika/

Extract Corsika
{{{
[0] tar xvf corsika-76400.tar.bz2
}}}

Call coconut
{{{
[1] cd corsika-76400
[2] ./coconut
}}}

You can use the defaults (just press return) for

* Compile in 32 or 64bit mode? [64 bit]
* Which high energy hadronic interaction model do you want to use? [QGSJET 01C]
* Which low energy hadronic interaction model do you want to use? [GHEISHA 2002d]
* Which detector geometry do you have? [horizontal flat]

Now you should get a long list of possible options
{{{
Which additional CORSIKA program options do you need?
}}}

Enter
{{{
(multiple selections accepted, leading '-' removes option): 1a 1b 1c 1e 7c 9 
}}}

There options correspond to: CERENKOV, IACT, CEFFIC, TRAJECT, VIEWCONE and ATMEXT.

Now you will get asked more question, answer them as follows
* Cherenkov light vertical (longitudinal) distribution option? [only in step]
* Do you want Cherenkov light emission angle wavelength dependence? [depending on wavelength] {This corresponds to the CERWLEN option}
* IACTEXT external output file option? [not stored] {no eventio format}

Now, coconut can create the input files, configure the make system and make. To proceed, select  `*** Finish selection ***`.

You should see
{{{
 Are you sure you want to continue with these current option selection:
    BERNLOHRDIR IACT TRAJECT CEFFIC CERENKOV CERWLEN IACTDIR VIEWCONE ATMEXT
    yes or no ? (default: yes) >
}}}

Which you acknowledge. Now, go ahead!