For questions about compiling and building Go programs, including build commands and flags, build directives, conditional compilation, linking.
Questions tagged [go-build]
60 questions
58
votes
1 answer
What's the difference between `//go:build` and `// +build` directives?
For example, https://github.com/golang/sys/blob/55b11dcdae8194618ad245a452849aa95e461114/cpu/cpu_gccgo_x86.go#L5-L9:
//go:build (386 || amd64 || amd64p32) && gccgo
// +build 386 amd64 amd64p32
// +build gccgo
package cpu
In my eyes, as a build…
wymli
- 1,013
- 1
- 7
- 11
57
votes
5 answers
Golang conditional compilation
I've got a trouble with conditional compilation in Go 1.
Here is my test code. Is there anything I misunderstand about the "// +build" constraint and the "-tags" flag?
main1.go
// +build main1
package main
import (
"fmt"
)
func main() {
…
Tianran Shen
- 921
- 2
- 9
- 11
32
votes
3 answers
How to properly use build tags?
I need to be able to build different versions of a go application; a 'debug' version and a normal version.
This is easy to do; I simply have a const DEBUG, that controls the behaviour of the application, but it's annoying to have to edit the config…
Doug
- 32,844
- 38
- 166
- 222
31
votes
2 answers
Use of internal package not allowed
I'm trying to build and run a repo (https://github.com/hyperledger/fabric/tree/master) but this error keeps popping up and still I haven't found a solution to this.
consensus.go:12:2: use of internal package…
Tuan
- 635
- 1
- 8
- 15
20
votes
2 answers
How to fix Go build error "can't load package" with Go modules?
I'm setting up a new project using Go modules with this tutorial, and then trying to build it.
The module is located in a folder outside of the $GOPATH with the following structure:
example.com
├── my-project
├── ├── main
├── ├── ├── main.go
├── ├──…
Nicholas
- 570
- 1
- 5
- 15
13
votes
6 answers
docker multi-stage build Go image - x509: certificate signed by unknown authority
I try to build go images in private corp network use docker-multi-stage-build:
FROM golang:latest as builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN GO111MODULE="on" CGO_ENABLED=0 GOOS=linux go build -o main…
kozmo
- 4,024
- 3
- 30
- 48
10
votes
2 answers
Build excluding test modules
My project has the following structure:
├── api
│ ├── api.go
│ ├── api_test.go
│ ├── other_files...
├── cmd
│ └── main.go
Under cmd/main.go I have the entrypoint of my Go project.
Since I am also creating some test files, I have other…
Prisco
- 653
- 1
- 15
- 30
9
votes
1 answer
How to ignore a .go file in a module?
I am rewriting in Go a home-grade program of mine that was previously in Python, learning on the way. As I reconsider whole sections of the code, it would be great if I could ignore some .go files I wrote (they throw compilation errors which is OK…
WoJ
- 27,165
- 48
- 180
- 345
8
votes
2 answers
Go plugin - "plugin was built with a different version of package"
I have an application that loads plugins on startup (daemon). In a subpackage (daemon/interfaces), I have a few interfaces that plugins for this program should use.
This means that the main program also gets imported by the plugin.
I am using Go…
Pieterjan
- 445
- 6
- 23
7
votes
1 answer
Pre-compiling Golang project dependencies to cache
In short, my current use-case involves dynamically creating a Golang plugin inside a Docker container. The compilation involves some new input from the user (which is why it is not compiled beforehand), but the dependencies are static, and won't…
Feeble Wildcat
- 81
- 2
4
votes
2 answers
Cannot build and install go from source code from another tag
I am trying to build and install go from source code using this documentation. This works fine when I do like the following:
$ git clone https://go.googlesource.com/go goroot
$ cd goroot
$ git checkout master
$ cd src
$ ./all.bash`
Here I…
jaintapauljp
- 61
- 4
4
votes
1 answer
What does this command do 'GOFLAGS=-mod=mod'?
I am trying to make a Taskfile.yml file for building go application, but I can't quite understand the need of "GOFLAGS=-mod=mod" command before go build main.go.
reference:…
Harshit Kumar
- 79
- 1
- 5
4
votes
1 answer
Create a plugin from multiple files from different directories
Following this tutorial and the github repo I understood the use of plugins.
The tutorial compiles each file separately into so files.
go build -buildmode=plugin -o eng/eng.so eng/greeter.go
go build -buildmode=plugin -o chi/chi.so…
Developer
- 924
- 3
- 14
- 30
4
votes
4 answers
Build golang including firebase credential file .json
I've written an Golang program designed to is parse a scv file and upload data to FireStore, this program was build to share with people who just write scv path to upload info.
I'm using this to use firebase-admin:
opt :=…
Eduardo Rodriguez
- 163
- 2
- 10
4
votes
1 answer
Specifying go build's version of C++
I'm trying to build a go project that uses a third party library (GDAL) that's written in C and C++. I've run into this error:
In file included from contour.cpp:31:0:
cpl_port.h:187:6: error: #error Must have C++11 or newer.
# error Must have…
kyle sexton
- 155
- 1
- 6