Errors with identifier "GTK2" in WSL2 - Ubuntu 20.04

[gesslar]

Windows 11 allows running graphical linux apps under WSL2.

1. sudo apt install pike8.0-full git
2. sudo apt install install gtk2.0
3. git -C ~ clone https://github.com/Rosuav/Gypsum

Get the following when I try to run:

gesslar@LIAM:~/Gypsum$ pike gypsum.pike
gypsum.pike:101:Undefined identifier GTK2.
gypsum.pike:101:Undefined identifier GTK2.
gypsum.pike:101:Undefined identifier GTK2.
gypsum.pike:101:Too many arguments to `() (function call) (expected 0 arguments).
gypsum.pike:101:Got     : zero.
gypsum.pike:139:Undefined identifier GTK2.
gypsum.pike:147:Undefined identifier GTK2.
gypsum.pike:147:Undefined identifier GTK2.
gypsum.pike:139:Too many arguments to `() (function call) (expected 0 arguments).
gypsum.pike:139:Got     : array(string(71..121)).
gypsum.pike:147:Too many arguments to `() (function call) (expected 0 arguments).
gypsum.pike:147:Got     : zero.
Pike: Failed to compile script.

[Rosuav]

Huh. I've no idea how to get GTK2 support in WSL. I hope it isn't necessary to build Pike from source to get that.

[gesslar]

I was getting that message before I installed gtk2 so then I installed it and I'm still getting the same error. Strange.

On Tue., Nov. 9, 2021, 9:34 p.m. Chris Angelico, @.***> wrote:

Huh. I've no idea how to get GTK2 support in WSL. I hope it isn't necessary to build Pike from source to get that.

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[Rosuav]

Hmm. I don't know how the metapackage for Pike works. Maybe if you installed Pike when GTK wasn't installed, it didn't install everything?? Not sure - been a good while since I've used Ubuntu.