goLang依赖项问题

Question

I'm trying to compile the following github project, however I'm having issues with the dependencies. The following go get commands fails with the errors noted below

go get -u github.com/go-gl/glfw/v3.1/glfw

fails with the following:

# github.com/go-gl/glfw/v3.1/glfw
In file included from /home/bob/go/src/github.com/go-gl/glfw/v3.1/glfw/context.go:4:0:
glfw/include/GLFW/glfw3.h:153:21: fatal error: GL/gl.h: No such file or directory
compilation terminated.

and

go get github.com/go-gl/gl/v2.1-core/gl

package github.com/go-gl/gl/v2.1-core/gl: cannot find package "github.com/go-gl/gl/v2.1-core/gl" in any of:
        /usr/local/go/src/github.com/go-gl/gl/v2.1-core/gl (from $GOROOT)
        /home/bob/go/src/github.com/go-gl/gl/v2.1-core/gl (from $GOPATH)

I have golang installed in /usr/local/go and the following in ~/.profile:

export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export PATH=$PATH:$GOROOT/bin

Answer 1

For your first question, it's because GL.h is missing from your ubuntu machine. You could get it installed by installing the dev lib as stated as requirement in their go-gl github page:

sudo apt-get install libgl1-mesa-dev

After this, you could go get the core lib. I've tested on my amazon ubuntu instance and worked fine.

If there still are something missing, try google using the key word:

ubuntu the_missing_file_name is missing

Also, I find this page very useful for your installing issues: https://github.com/google/gxui/wiki/Installation

Basically, install these packages:

sudo apt-get install libgl1-mesa-dev (or freeglut3-dev)
sudo apt-get install libxrandr-dev
sudo apt-get install libxcursor-dev
sudo apt-get install libxi-dev
sudo apt-get install libxinerama-dev

After you installed all the required dev packages, you could go get glfw successfully :)