To follow the example in this article, you will need: 1. A Go workspace set up by following How To Install Go and Set Up a Local Programming Environment. See more Before you can use ldflagsto introduce dynamic data, you first need an application to insert the information into. In this step, you will make this application, which will at this stage only print static versioning information. Let’s … See more As mentioned before, ldflags stands for linker flags, and is used to pass in flags to the underlying linker in the Go toolchain. This works according to the following syntax: In this example, we passed in flag to the underlying go … See more This tutorial showed how, when applied correctly, ldflags can be a powerful tool for injecting valuable information into binaries at build time. This way, you can control feature flags, … See more In the last section, you manipulated the Version variable, which was at the top-level package of the application. But this is not always the case. Often it is more practical to place … See more WebJul 1, 2015 · The -X Go linker option, which you can set with -ldflags, sets the value of a string variable in the Go program being linked. You use it like this: -X main.version 1.0.0. A simple example: let's say you have this source file saved as hello.go. package main import "fmt" var who = "World" func main () { fmt.Printf ("Hello, %s.\n", who) }
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WebJul 25, 2024 · os_arch.go This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in … Web# # Helper makefile to link shared libraries in a portable way. # This is much simpler than libtool, and hopefully not too error-prone. # # The following variables need to be set mike geuns country financial
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WebApr 11, 2024 · One of Go’s nicer features is that you can cross-compile to any system/architecture combination from any system by just setting setting GOOS and GOARCH. I can build Windows binaries on OpenBSD with GOOS=windows GOARCH=amd64 go build. Neat! With cgo cross-compiling gets a bit trickier as cross … WebApr 14, 2024 · In Go, this is mapped to an intermediate assembly format rather than the underlying hardware assembly instructions. To view this intermediate assembly format, … WebJul 9, 2024 · -ldflags "-X main.gitCommit=$ (GIT_COMMIT)" is Go's way of telling the linker to pass the commit hash to a variable in the code ( main.gitCommit ). Think of this as "baking" the information... mike gesicki snap count