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doc: fix assembler requirement for OpenSSL-1.1.1

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Add new requirements of assembler version for AVX-512 support
in OpenSSL-1.1.1.

PR-URL: https://github.com/nodejs/node/pull/25381
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Shigeki Ohtsu <ohtsu@ohtsu.org>
This commit is contained in:
Shigeki Ohtsu
2018-11-10 10:54:00 +09:00
committed by Sam Roberts
parent 0534de6911
commit 57119fbdb2
1 changed files with 14 additions and 5 deletions
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19
BUILDING.md
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@@ -130,20 +130,29 @@ Depending on the host platform, the selection of toolchains may vary.
#### OpenSSL asm support
OpenSSL-1.1.0 requires the following assembler version for use of asm
OpenSSL-1.1.1 requires the following assembler version for use of asm
support on x86_64 and ia32.
For use of AVX-512,
* gas (GNU assembler) version 2.26 or higher
* nasm version 2.11.8 or higher in Windows
Note that AVX-512 is disabled for Skylake-X by OpenSSL-1.1.1.
For use of AVX2,
* gas (GNU assembler) version 2.23 or higher
* Xcode version 5.0 or higher
* llvm version 3.3 or higher
* nasm version 2.10 or higher in Windows
If compiling without one of the above, use `configure` with the
`--openssl-no-asm` flag. Otherwise, `configure` will fail.
The forthcoming OpenSSL-1.1.1 will have different requirements. Please refer to
Please refer to
https://www.openssl.org/docs/man1.1.1/man3/OPENSSL_ia32cap.html for details.
If compiling without one of the above, use `configure` with the
`--openssl-no-asm` flag. Otherwise, `configure` will fail.
## Building Node.js on supported platforms
The [bootstrapping guide](https://github.com/nodejs/node/blob/master/tools/bootstrap/README.md)