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build: warn upon --use-largepages config option

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Emit a warning when the user configures with `--use-largepages` and/or
`--use-largepages-script-lld` informing them that the option is now
available as a Node.js runtime option once it is built.

Refs: https://github.com/nodejs/node/pull/31063#discussion_r361143460
PR-URL: https://github.com/nodejs/node/pull/31103
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
This commit is contained in:
Gabriel Schulhof 2019-12-26 09:04:43 -08:00
parent a412a97a73
commit c6822be46c
1 changed files with 7 additions and 0 deletions
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7
configure.py
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@ -1067,6 +1067,13 @@ def configure_node(o):
else:
o['variables']['node_use_dtrace'] = 'false'
if options.node_use_large_pages or options.node_use_large_pages_script_lld:
warn('''The `--use-largepages` and `--use-largepages-script-lld` options
have no effect during build time. Support for mapping to large pages is
now a runtime option of Node.js. Run `node --use-largepages` or add
`--use-largepages` to the `NODE_OPTIONS` environment variable once
Node.js is built to enable mapping to large pages.''')
if options.no_ifaddrs:
o['defines'] += ['SUNOS_NO_IFADDRS']