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meson: append install_rpath via patchelf #31436

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lukateras
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@lukateras lukateras commented Nov 9, 2017

Motivation for this change

This is based on @jtojnar's work in #31228. When patchelf has to grow rpath beyond original capacity, it sets dontStrip, to work around NixOS/patchelf#10.

Fixes #31222. Currently in the process of rebuilding stuff with patched meson.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option build-use-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/)
  • Fits CONTRIBUTING.md.

for f in $(find . -name .nix-dont-strip); do
echo "Found $f, setting dontStrip"
export dontStrip=1
rm $f
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@jtojnar jtojnar Nov 9, 2017

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indentation mismatch (tabs vs spaces)

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Can't get Emacs to indent shell scripts properly...

This is based on Jan Tojnar's work in NixOS#31228.

When patchelf has to grow rpath beyond original capacity, it sets
dontStrip, to work around NixOS/patchelf#10.
@lukateras lukateras changed the title meson: set install_rpath via patchelf meson: append install_rpath via patchelf Nov 9, 2017
old_rpath = _patchelf('--print-rpath', self.bfile)
if old_rpath:
new_rpath = old_rpath + b':' + bytes(install_rpath, 'utf-8')
if len(old_rpath) < len(new_rpath):
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Is not this always true?

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It is. Thanks!

@@ -9,6 +9,8 @@ python3Packages.buildPythonApplication rec {
sha256 = "0qn5hyzvam3rimn7g3671s1igj7fbkwdnf5nc8jr4d5swy25mq61";
};

patchPhase = "cat ${./depfixer_patchelf.py} >> mesonbuild/scripts/depfixer.py";
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This should probably be in postPatch in case we need to add patches in the future.

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jtojnar commented Nov 11, 2017

For the reference, I propose yet another solution in #31222 (comment)

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Closing in favor of #31222 (comment).

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3 participants