PureGo Example or Readme page about raylib-go

[gen2brain]

There is now already a hint about CGO_ENABLED=0, I would not want some large manuals in the main README for something trivial, but if you see something of great importance, sure, why not. For example, how do you change GOOS when you want on Windows, it works the same way.

[unklnik]

Just to add, this is not urgent or anything, just for users like me who don't know exactly how to implement PureGo builds it would be helpful to have a little more information available.

[gen2brain]

@unklnik You just compile with CGO_ENABLED=0. I added a hint in README.

[unklnik]

OK thanks will take a look later today. I just wanted to point out that many users (like me) don't have nearly as much knowledge as yourself or @JupiterRider so we don't know how to implement things like this as easily.

[unklnik]

Sorry again, just not understanding, must I download the Raylib package using this command CGO_ENABLED=0 go get -v -u github.com/gen2brain/raylib-go/raylib and then build with the .dll file?

[gen2brain]

No, you just build e.g., some example with CGO_ENABLED go build, and that example will panic unless it finds raylib.dll.

[unklnik]

OK so I am on Windows 10 and in command prompt that does not work

[gen2brain]

That is an environment variable, so however that is used on Windows you must configure it, maybe it needs "", or set command is used, no idea, I am not a Windows user, but every user should know how to set temporary or globally some ENV.

The point here is, for example, in Linux, I can build the example for Windows just by using GOOS=windows go build, before this change I needed A MinGW C compiler, for every platform you need toolchain/compiler. The downside is that binary is not self contained, it requires raylib.dll in current dir, or somewhere globally.

[unklnik]

OK will do some research later and work it out thanks appreciate the help. If I work it out can I write a small addition to the README for Windows users to get it working and create a PR?

[unklnik]

Found the answer must set go environment variables go env -w CGO_ENABLED=0 and then it works, however it doesn't compile because too many things are missing

[unklnik]

OK got it thanks

[gen2brain]

You probably are not using the latest raylib-go.

[gen2brain]

Btw. go env -w will write that change permanently to file, i.e. will set default, not sure if that is what you want, try also with "CGO_ENABLED=0".

[rocktavious]

@unklnik - did you get this working? @gen2brain i get the same errors when i

CGO_ENABLED=0 go build .

i get

../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:196:27: undefined: GetMouseDelta
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:220:56: undefined: GetFrameTime
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:226:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:229:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:232:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:235:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:238:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:241:6: undefined: IsKeyDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:246:8: undefined: IsGamepadAvailable
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:248:29: undefined: IsMouseButtonDown
../../go/pkg/mod/github.com/gen2brain/raylib-go/[email protected]/rcamera.go:248:29: too many errors

[gen2brain]

@rocktavious Are you on Windows?

[unklnik]

@rocktavious Yes, however you need to open command prompt/shell and then enter this go env -w CGO_ENABLED=0 and it should work. Basically, as far as I understand this disables the CGO compiler and it then it compiles with PureGo. Just remember to set it back to go env -w CGO_ENABLED=1 when you are done.

[unklnik]

See this previous PR here d9b04a8