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build: make x86 Windows support temporarily experimental
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We currently have no solution to build Node.js for x86 Windows with
V8 10.1. V8 10.2 seems fixed, but that version won't stable enough by
the time we release Node.js 18.0.0 (it only has canary coverage).
The goal is to revert this commit as soon as the issue is fixed.

PR-URL: #42666
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Robert Nagy <[email protected]>
Reviewed-By: Darshan Sen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Gerhard Stöbich <[email protected]>
Reviewed-By: Beth Griggs <[email protected]>
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@targos
targos authored Apr 12, 2022
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45 changes: 22 additions & 23 deletions BUILDING.md
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Expand Up @@ -99,25 +99,25 @@ Node.js does not support a platform version if a vendor has expired support
for it. In other words, Node.js does not support running on End-of-Life (EoL)
platforms. This is true regardless of entries in the table below.

| Operating System | Architectures | Versions | Support Type | Notes |
| ---------------- | ---------------- | ------------------------------- | ----------------------------------------------- | ----------------------------------------- |
| GNU/Linux | x64 | kernel >= 3.10, glibc >= 2.17 | Tier 1 | e.g. Ubuntu 16.04[^1], Debian 9, EL 7[^2] |
| GNU/Linux | x64 | kernel >= 3.10, musl >= 1.1.19 | Experimental | e.g. Alpine 3.8 |
| GNU/Linux | x86 | kernel >= 3.10, glibc >= 2.17 | Experimental | Downgraded as of Node.js 10 |
| GNU/Linux | arm64 | kernel >= 4.5, glibc >= 2.17 | Tier 1 | e.g. Ubuntu 16.04, Debian 9, EL 7[^3] |
| GNU/Linux | armv7 | kernel >= 4.14, glibc >= 2.24 | Tier 1 | e.g. Ubuntu 18.04, Debian 9 |
| GNU/Linux | armv6 | kernel >= 4.14, glibc >= 2.24 | Experimental | Downgraded as of Node.js 12 |
| GNU/Linux | ppc64le >=power8 | kernel >= 3.10.0, glibc >= 2.17 | Tier 2 | e.g. Ubuntu 16.04[^1], EL 7[^2] |
| GNU/Linux | s390x | kernel >= 3.10.0, glibc >= 2.17 | Tier 2 | e.g. EL 7[^2] |
| Windows | x64, x86 (WoW64) | >= Windows 10/Server 2016 | Tier 1 | [^4],[^5] |
| Windows | x86 (native) | >= Windows 10/Server 2016 | Tier 1 (running) / Experimental (compiling)[^6] | |
| Windows | x64, x86 | Windows 8.1/Server 2012 | Experimental | |
| Windows | arm64 | >= Windows 10 | Tier 2 (compiling) / Experimental (running) | |
| macOS | x64 | >= 10.15 | Tier 1 | For notes about compilation see [^7] |
| macOS | arm64 | >= 11 | Tier 1 | |
| SmartOS | x64 | >= 18 | Tier 2 | |
| AIX | ppc64be >=power8 | >= 7.2 TL04 | Tier 2 | |
| FreeBSD | x64 | >= 12.2 | Experimental | |
| Operating System | Architectures | Versions | Support Type | Notes |
| ---------------- | ---------------- | ------------------------------- | ------------------------------------------- | ----------------------------------------- |
| GNU/Linux | x64 | kernel >= 3.10, glibc >= 2.17 | Tier 1 | e.g. Ubuntu 16.04[^1], Debian 9, EL 7[^2] |
| GNU/Linux | x64 | kernel >= 3.10, musl >= 1.1.19 | Experimental | e.g. Alpine 3.8 |
| GNU/Linux | x86 | kernel >= 3.10, glibc >= 2.17 | Experimental | Downgraded as of Node.js 10 |
| GNU/Linux | arm64 | kernel >= 4.5, glibc >= 2.17 | Tier 1 | e.g. Ubuntu 16.04, Debian 9, EL 7[^3] |
| GNU/Linux | armv7 | kernel >= 4.14, glibc >= 2.24 | Tier 1 | e.g. Ubuntu 18.04, Debian 9 |
| GNU/Linux | armv6 | kernel >= 4.14, glibc >= 2.24 | Experimental | Downgraded as of Node.js 12 |
| GNU/Linux | ppc64le >=power8 | kernel >= 3.10.0, glibc >= 2.17 | Tier 2 | e.g. Ubuntu 16.04[^1], EL 7[^2] |
| GNU/Linux | s390x | kernel >= 3.10.0, glibc >= 2.17 | Tier 2 | e.g. EL 7[^2] |
| Windows | x64 | >= Windows 10/Server 2016 | Tier 1 | [^4],[^5] |
| Windows | x86 | >= Windows 10/Server 2016 | Experimental | [^6] |
| Windows | x64, x86 | Windows 8.1/Server 2012 | Experimental | |
| Windows | arm64 | >= Windows 10 | Tier 2 (compiling) / Experimental (running) | |
| macOS | x64 | >= 10.15 | Tier 1 | For notes about compilation see [^7] |
| macOS | arm64 | >= 11 | Tier 1 | |
| SmartOS | x64 | >= 18 | Tier 2 | |
| AIX | ppc64be >=power8 | >= 7.2 TL04 | Tier 2 | |
| FreeBSD | x64 | >= 12.2 | Experimental | |

[^1]: GCC 8 is not provided on the base platform. Users will
need the
Expand Down Expand Up @@ -146,10 +146,9 @@ platforms. This is true regardless of entries in the table below.
Windows binary (`node.exe`) in WSL will not work without workarounds such as
stdio redirection.

[^6]: Running Node.js on x86 Windows should work and binaries
are provided. However, tests in our infrastructure only run on WoW64.
Furthermore, compiling on x86 Windows is Experimental and
may not be possible.
[^6]: Compiling Node.js for x86 Windows is currently impossible due to
issues with version 10.1 of the V8 engine. Support will come back to its
previous status as soon as possible.

[^7]: Our macOS x64 Binaries are compiled with 10.15 as a target. Xcode11 is
required to compile.
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