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build: ./node built with --node-builtin-modules-path runs into an error recently #36512
Description
- Version: v16.0.0-pre
- Platform: Linux hp 4.15.0-128-generic lib: reintroduce v8 module #131-Ubuntu SMP Wed Dec 9 06:53:22 UTC 2020 i686 i686 i686 GNU/Linux
- Subsystem: build
What steps will reproduce the bug?
Build node with the --node-builtin-modules-path option and run ./node.
How often does it reproduce? Is there a required condition?
I had built ./node a while back and the problem started after syncing my local copy of the repo with the main branch 3 days back.
What is the expected behavior?
No errors.
What do you see instead?
$ ./node
node:internal/bootstrap/loaders:311
if (!mod) throw new TypeError(`Missing internal module '${id}'`);
^
TypeError: Missing internal module 'internal/streams/add-abort-signal'
at nativeModuleRequire (node:internal/bootstrap/loaders:311:19)
at node:internal/streams/readable:46:5
at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:283:7)
at nativeModuleRequire (node:internal/bootstrap/loaders:312:14)
at node:stream:40:19
at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:283:7)
at nativeModuleRequire (node:internal/bootstrap/loaders:312:14)
at node:internal/worker/io:39:32
at NativeModule.compileForInternalLoader (node:internal/bootstrap/loaders:283:7)
at nativeModuleRequire (node:internal/bootstrap/loaders:312:14)Additional information
To my knowledge, the generated executable is flexible enough to adapt to any js changes without another rebuild. However, ./node seems to crash with the same error message no matter which commit I check out.
Activity
targos commentedon Dec 14, 2020
We cannot guarantee that a binary built previously with
--node-builtin-modules-pathis always going to work. There are many possible changes that require it to be rebuilt.joyeecheung commentedon Dec 14, 2020
Your local JS file expects
internal/streams/add-abort-signalto be present, so when you switch to a copy that changes enough so that your binary is not yet built with knowinginternal/streams/add-abort-signalis a module, there would be an error. This option only works when the JS file listed inlibrary_filesin node.gyp is untouched when you switch between different versions of Node.js.RaisinTen commentedon Dec 15, 2020
Is there any way we can make
--node-builtin-modules-pathto build node so that this works irrespective oflibrary_filesby loading the files completely at runtime?devsnek commentedon Dec 15, 2020
no, it specifically only patches the part of the codebase where the source of the module is looked up. using it should not modify node's module system logic which is already quite complex and prone to bugs.
Trott commentedon Dec 22, 2020
I believe this can be closed, but if there's more to talk about, feel free to comment and/or re-open.