Go 1.13.3项目构建报错：目录布局异常求助

Hey, let's fix this annoying build error you're hitting. From your build logs and go env output, the issue boils down to a mismatch between your project's directory structure and how Go expects to find packages (either via GOPATH mode or Modules). Here's what's going on and how to fix it:

What's Causing This? #

• You've got GO111MODULE="", which means Go is falling back to the old GOPATH mode.
• Your GOPATH is set to /home/username/Projects/Proj1, but your project lives at /home/username/Projects/golangProject/src/ip—this path isn't inside the src directory of your configured GOPATH. Go can't resolve the import path correctly, hence the "unexpected directory layout" error.

Two Fixes (Option 2 is Recommended) #

Option 1: Adjust Directory Structure for GOPATH Mode #

If you want to stick with GOPATH:

1. First, make sure the src directory exists in your GOPATH:

   mkdir -p /home/username/Projects/Proj1/src
   

2. Move your project's ip package into this src directory:

   mv /home/username/Projects/golangProject/src/ip /home/username/Projects/Proj1/src/
   

3. Navigate to the package directory and rebuild:

   cd /home/username/Projects/Proj1/src/ip
   /usr/local/go/bin/go install -v -gcflags "-N -l" ./...
   

Option 2: Use Go Modules (Modern, Recommended Approach) #

Go 1.13 fully supports Modules, which lets you work outside GOPATH. This is the standard way to manage Go projects now:

1. Go to your project's root directory (not the src/ip subdir):

   cd /home/username/Projects/golangProject
   

2. Initialize a Go module (you can use any name here, like your project's repo URL or a custom name):

   go mod init golangProject
   

3. Run your build command again—this should work now:

   /usr/local/go/bin/go install -v -gcflags "-N -l" ./...
   

4. (Optional) To make Modules the default for all your projects, set GO111MODULE=on permanently:

   echo 'export GO111MODULE=on' >> ~/.bashrc
   source ~/.bashrc
   

Verify It Works #

After trying either option, re-run your build command. If you don't see that directory layout error anymore, you're good to go! You can double-check your config with go env to confirm everything's set up correctly.

内容的提问来源于stack exchange，提问作者sandip kumar