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ESR140 migration guide #89

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14 changes: 7 additions & 7 deletions docs/Building SpiderMonkey.md
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Expand Up @@ -5,27 +5,27 @@ Use these instructions to build your own copy of SpiderMonkey.
## Prerequisites ##

You will need a **C++ compiler** that can handle the C++17 standard,
**Rust** version [1.76][minimum-rust-version] or later, **GNU Make**,
**Rust** version [1.82][minimum-rust-version] or later, **GNU Make**,
**zlib**, and **libffi**.
These can usually be installed with a package manager.

> **NOTE** SpiderMonkey also requires ICU of at least version
> [73.1][minimum-icu-version], but it will build a bundled copy by
> [76.1][minimum-icu-version], but it will build a bundled copy by
> default.
> If you have a new enough copy installed on your system, you can add
> `--with-system-icu` in the build instructions below, for a shorter
> build time.

[minimum-rust-version]: https://searchfox.org/mozilla-esr128/rev/2d28d1b9e757a35095de45c818a0432e031f339d/python/mozboot/mozboot/util.py#14
[minimum-icu-version]: https://searchfox.org/mozilla-esr128/rev/2d28d1b9e757a35095de45c818a0432e031f339d/js/moz.configure#1308
[minimum-rust-version]: https://searchfox.org/mozilla-esr140/rev/ccf322da35382830f6797111a12c7d28fd8f2258/python/mozboot/mozboot/util.py#16
[minimum-icu-version]: https://searchfox.org/mozilla-esr140/rev/ccf322da35382830f6797111a12c7d28fd8f2258/js/moz.configure#1196

## Getting the source code ##

Currently, the most reliable way to get the SpiderMonkey source code is
to download the Firefox source.
At the time of writing, the latest source for Firefox ESR 128, which
contains the source for SpiderMonkey ESR 128, can be found here:
https://ftp.mozilla.org/pub/firefox/releases/128.1.0esr/source/
At the time of writing, the latest source for Firefox ESR 140, which
contains the source for SpiderMonkey ESR 140, can be found here:
https://ftp.mozilla.org/pub/firefox/releases/140.0esr/source/

The ESR releases have a major release approximately once a year with
security patches released throughout the year.
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