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nodejs: Remove the requirement for dir-prefix from includes #57131

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nodejs: Remove the requirement for dir-prefix from includes #57131

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clefru
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@clefru clefru commented Mar 9, 2019

Motivation for this change

"npm install scrypt" fails to compile with the compiler not being able to find "node_version.h" in the "nan" dependency. Looking at our installation, we find that we have /nix/store/.../nodejs.../include/node containing the node_version.h, so #include <node/node_version.h> would work but #include <node_version.h> doesn't. Strangely this step only fails with CXX step not with the CC.

Searching github for what's the correct way seems to find that a lot of projects just do #include <node_version.h> hence I found it ok to make our nix installation strip the node path.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Assured whether relevant documentation is up to date
  • Fits CONTRIBUTING.md.

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@matthewbauer
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@GrahamcOfBorg build nodejs

matthewbauer
matthewbauer reviewed Mar 4, 2020
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pkgs/development/web/nodejs/nodejs.nix Outdated
# support packages including just <node_version.h>
mv $out/include/node/* $out/include/
rmdir $out/include/node
ln -s . $out/include/node
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Suggested change
ln -s . $out/include/node
ln -s $out/include $out/include/node

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stale bot commented Nov 11, 2020

I marked this as stale due to inactivity. → More info

@stale stale bot added the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Nov 11, 2020
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@clefru friendly ping

@stale stale bot removed the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Nov 24, 2020
@clefru
nodejs: Remove the requirement for dir-prefix from includes

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@clefru
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clefru commented Nov 29, 2020

I updated the PR as requested and tested that "npm install scrypt" compiles with nodejs-10_x (and python+gnumake+gcc+binutils installed).

@ofborg ofborg bot requested review from gilligan, cko and marsam November 29, 2020 10:45
gilligan
gilligan reviewed Nov 29, 2020
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I’m a bit confused as to what the correct header installation is. Creating a symlink might not be that big a deal, but aren’t some packages simply using incorrect incorrect include statements? In that case they just have to fail and nixpkgs should not be providing workarounds for that.

Do other nodejs distribution packages generally provide both locations? I would really appreciate some background on this if possible.

@clefru
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clefru commented Dec 6, 2020

@gilligan All those are valid questions. But I am sorry, I won't have time to study this topic further and my focus switched away from NodeJS.

Feel free to close this PR unmerged.

@clefru
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clefru commented May 13, 2021

Closing. I lost context on this PR and moved on.

@clefru clefru closed this May 13, 2021
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@matthewbauer matthewbauer

@gilligan gilligan

@doronbehar doronbehar

@cillianderoiste cillianderoiste

@cko cko

@marsam marsam

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