Jason E. Aten, Ph.D. glycerine

## go-env-with-msys2.md

      
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              Created
              April 26, 2020 01:07
                — forked from voidexp/go-env-with-msys2.md
            
              
                Go development environment on Windows with MSYS2
              
          
    Go development environment on Windows with MSYS2

Normally, it is sufficient to grab the Go MSI installer from the website in
order to set up the toolchain. However, some packages that provide Go wrappers
for C libraries rely on cgo tool, which in turn,
needs the GCC toolchain in order to build the glue code. Also, 3rd-party
dependencies are usually hosted on services like GitHub, thus
Git is also needed. This mini-guide illustrates how to
setup a convenient development environment on Windows using MSYS2.

  
## gist:5bb156bdeea314b215fc2816500bd759
(env3) jaten@Jasons-MBP ~/go/src/github.com/cosmos72/gomacro (generate) $ go version
go version
go version go1.12beta2 darwin/amd64
(env3) jaten@Jasons-MBP ~/go/src/github.com/cosmos72/gomacro (generate) $ time go install -a -toolexec=time -x
time go install -a -toolexec=time -x
WORK=/var/folders/2x/hm9gp5ys3k9gmm5f_vzm_6wc0000gn/T/go-build619075523
mkdir -p $WORK/b004/
mkdir -p $WORK/b010/
cat >$WORK/b004/importcfg << 'EOF' # internal
# import config

## luajit-ffi-pushcdata.c

void *
luaL_pushcdata(struct lua_State *L, uint32_t ctypeid, uint32_t size)
{
    /*
     * ctypeid is actually has CTypeID type.
     * CTypeId is defined somewhere inside luajit's internal headers
     * which should not be included in init.h header.
     */
    static_assert(sizeof(ctypeid) == sizeof(CTypeID),

## ProFi.lua
--[[
	ProFi v1.3, by Luke Perkin 2012. MIT Licence http://www.opensource.org/licenses/mit-license.php.

	Example:
		ProFi = require 'ProFi'
		ProFi:start()
		some_function()
		another_function()
		coroutine.resume( some_coroutine )
		ProFi:stop()

## ns-inet.sh
#!/usr/bin/env bash

set -x

NS="ns1"
VETH="veth1"
VPEER="vpeer1"
VETH_ADDR="10.200.1.1"
VPEER_ADDR="10.200.1.2"

## bash transcript
~/go/src/github.com/cockroachdb/cockroach (master) $ git checkout beta-20170112
Note: checking out 'beta-20170112'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:

## diskchecker.pl
#!/usr/bin/perl
#
# Brad's el-ghetto do-our-storage-stacks-lie?-script
#

sub usage {
    die <<'END';
Usage: diskchecker.pl -s <server[:port]> verify <file>
       diskchecker.pl -s <server[:port]> create <file> <size_in_MB>
       diskchecker.pl -l [port]

## one_at_a_time.go
package main

// simple example to show how to process one message at a time with nsq using the go-nsq client library.
// see config stuff in var below to play around with different scenarios.

import (
	"log"
	"os"
	"os/signal"
	"strconv"

## sshd.go
// A small SSH daemon providing bash sessions
//
// Server:
// cd my/new/dir/
// #generate server keypair
// ssh-keygen -t rsa
// go get -v .
// go run sshd.go
//
// Client:

## main.go
package main

//
// Starting point is from http://gcmurphy.wordpress.com/2012/11/30/using-epoll-in-go/
//

import (
	"fmt"
	"os"
	"syscall"
	(env3) jaten@Jasons-MBP ~/go/src/github.com/cosmos72/gomacro (generate) $ go version
	go version
	go version go1.12beta2 darwin/amd64
	(env3) jaten@Jasons-MBP ~/go/src/github.com/cosmos72/gomacro (generate) $ time go install -a -toolexec=time -x
	time go install -a -toolexec=time -x
	WORK=/var/folders/2x/hm9gp5ys3k9gmm5f_vzm_6wc0000gn/T/go-build619075523
	mkdir -p $WORK/b004/
	mkdir -p $WORK/b010/
	cat >$WORK/b004/importcfg << 'EOF' # internal
	# import config

	void *
	luaL_pushcdata(struct lua_State *L, uint32_t ctypeid, uint32_t size)
	{
	/*
	* ctypeid is actually has CTypeID type.
	* CTypeId is defined somewhere inside luajit's internal headers
	* which should not be included in init.h header.
	*/
	static_assert(sizeof(ctypeid) == sizeof(CTypeID),
	--[[
	ProFi v1.3, by Luke Perkin 2012. MIT Licence http://www.opensource.org/licenses/mit-license.php.

	Example:
	ProFi = require 'ProFi'
	ProFi:start()
	some_function()
	another_function()
	coroutine.resume( some_coroutine )
	ProFi:stop()
	#!/usr/bin/env bash

	set -x

	NS="ns1"
	VETH="veth1"
	VPEER="vpeer1"
	VETH_ADDR="10.200.1.1"
	VPEER_ADDR="10.200.1.2"
	~/go/src/github.com/cockroachdb/cockroach (master) $ git checkout beta-20170112
	Note: checking out 'beta-20170112'.

	You are in 'detached HEAD' state. You can look around, make experimental
	changes and commit them, and you can discard any commits you make in this
	state without impacting any branches by performing another checkout.

	If you want to create a new branch to retain commits you create, you may
	do so (now or later) by using -b with the checkout command again. Example:
	#!/usr/bin/perl
	#
	# Brad's el-ghetto do-our-storage-stacks-lie?-script
	#

	sub usage {
	die <<'END';
	Usage: diskchecker.pl -s <server[:port]> verify <file>
	diskchecker.pl -s <server[:port]> create <file> <size_in_MB>
	diskchecker.pl -l [port]
	package main

	// simple example to show how to process one message at a time with nsq using the go-nsq client library.
	// see config stuff in var below to play around with different scenarios.

	import (
	"log"
	"os"
	"os/signal"
	"strconv"
	// A small SSH daemon providing bash sessions
	//
	// Server:
	// cd my/new/dir/
	// #generate server keypair
	// ssh-keygen -t rsa
	// go get -v .
	// go run sshd.go
	//
	// Client:
	package main

	//
	// Starting point is from http://gcmurphy.wordpress.com/2012/11/30/using-epoll-in-go/
	//

	import (
	"fmt"
	"os"
	"syscall"