pkg/57176: npm-8.15.1 doens't build on NetBSD 10.0 (ipv6 related?)

[bouyer%antioche.eu.org@localhost]

>Number:         57176
>Category:       pkg
>Synopsis:       npm-8.15.1 doens't build on NetBSD 10.0
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 08 19:25:01 +0000 2023
>Originator:     Manuel Bouyer
>Release:        NetBSD 10.0_BETA
>Organization:
>Environment:
System: NetBSD rochebonne.antioche.eu.org 10.0_BETA NetBSD 10.0_BETA (GENERIC_CAN) #0: Wed Jan 4 16:41:59 MET 2023 bouyer%armandeche.soc.lip6.fr@localhost:/local/armandeche1/tmp/build/amd64/obj/local/armandeche2/netbsd-10/src/sys/arch/amd64/compile/GENERIC_CAN amd64
Architecture: x86_64
Machine: amd64
>Description:
	On a NetBSD 10.0_BETA host without IPv6 connectivity, building npm
	fails with:
===> Building for npm-8.15.1
node bin/npm-cli.js run resetdeps

> npm@8.15.1 resetdeps
> bash scripts/resetdeps.sh

+ node . i --ignore-scripts --no-audit --no-fund
npm ERR! code EHOSTUNREACH
npm ERR! syscall connect
npm ERR! errno EHOSTUNREACH
npm ERR! request to https://registry.npmjs.org/tap/-/tap-16.3.0.tgz failed, reason: connect EHOSTUNREACH 2606:4700::6810:1b23:443 - Local (:::60578)

npm ERR! A complete log of this run can be found in:
npm ERR!     /usr/tmp/lang/npm/work/.home/.npm/_logs/2023-01-07T11_12_33_812Z-debug-0.log
gmake: *** [Makefile:53: deps] Error 1


	tail of 2023-01-07T11_12_33_812Z-debug-0.log (I can make it available
	on request):
80 verbose cwd /usr/tmp/lang/npm/work/cli-8.15.1
81 verbose NetBSD 10.0
82 verbose node v19.2.0
83 verbose npm  v8.15.1
84 error code EHOSTUNREACH
85 error syscall connect
86 error errno EHOSTUNREACH
87 error request to https://registry.npmjs.org/tap/-/tap-16.3.0.tgz failed, reason: connect EHOSTUNREACH 2606:4700::6810:1b23:443 - Local (:::60578)
88 verbose exit 1
89 timing npm Completed in 71076ms
90 verbose unfinished npm timer reify 1673089953901
91 verbose unfinished npm timer reify:loadBundles 1673089954742
92 verbose unfinished npm timer reifyNode:node_modules/tap 1673089954742
93 verbose code 1
94 error A complete log of this run can be found in:
94 error     /usr/tmp/lang/npm/work/.home/.npm/_logs/2023-01-07T11_12_33_812Z-debug-0.log

	It looks like it failed because it didn't fall back to IPv4 for
	https request. Other ipv6-enabled softwares (like telnet or ftp)
	properly fall back to ipv4.

>How-To-Repeat:
	try to build npm on a NetBSD 10.0_BETA host without IPv6 connectivity
>Fix: