How to I successfully compile Okular on Windows using Craft?

[Jasper Martin]

The final messages I receive before it fails are these:

Configuring gtkdocize using configurationProgram sed found: YES (C:\Users\horiz\installed\dev\craft\dev-utils\bin\sed.EXE)Program sed found: YES (C:\Users\horiz\installed\dev\craft\dev-utils\bin\sed.EXE)Program cp found: NO
..\..\..\dev-utils\gtk-doc\work\gtk-doc-1.33.2\buildsystems\autotools\meson.build:39:0: ERROR: Program 'cp' not found
A full log can be found at C:\Users\horiz\installed\dev\craft\build\dev-utils\gtk-doc\work\build\meson-logs\meson-log.txtAction: compile for dev-utils/gtk-doc:1.33.2 FAILED*** Craft all failed: dev-utils/gtk-doc after 41 seconds ***fatal error: package dev-utils/gtk-doc all failed
If I type craft --search cp it says it cannot find the package. 

I have also tried Install-Package -Name cp from PowerShell.
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