8e44ae5bd4
Silent overwriting is dangerous and it bit us straightaway on gcc_multi. https://github.com/NixOS/nixpkgs/commit/51f1b4ec48d5
22 lines
784 B
Bash
22 lines
784 B
Bash
# This setup hook, for each output, moves everything in $output/lib64
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# to $output/lib, and replaces $output/lib64 with a symlink to
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# $output/lib. The rationale is that lib64 directories are unnecessary
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# in Nix (since 32-bit and 64-bit builds of a package are in different
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# store paths anyway).
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# If the move would overwrite anything, it should fail on rmdir.
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fixupOutputHooks+=(_moveLib64)
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_moveLib64() {
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if [ "$dontMoveLib64" = 1 ]; then return; fi
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if [ ! -e "$prefix/lib64" -o -L "$prefix/lib64" ]; then return; fi
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echo "moving $prefix/lib64/* to $prefix/lib"
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mkdir -p $prefix/lib
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shopt -s dotglob
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for i in $prefix/lib64/*; do
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mv --no-clobber "$i" $prefix/lib
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done
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shopt -u dotglob
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rmdir $prefix/lib64
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ln -s lib $prefix/lib64
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}
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