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glibc: copy libgcc_s.so from .lib output if it exists #209055

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Jan 14, 2023
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glibc: copy libgcc_s.so from .lib output if it exists #209055

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11 changes: 8 additions & 3 deletions pkgs/development/libraries/glibc/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -76,11 +76,16 @@ in
# - clang-wrapper in cross-compilation
# Last attempt: https://github.com/NixOS/nixpkgs/pull/36948
preInstall = lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
if [ -f ${stdenv.cc.cc}/lib/libgcc_s.so.1 ]; then
if [ -f ${lib.getLib stdenv.cc.cc}/lib/libgcc_s.so.1 ]; then
mkdir -p $out/lib
cp ${stdenv.cc.cc}/lib/libgcc_s.so.1 $out/lib/libgcc_s.so.1
cp ${lib.getLib stdenv.cc.cc}/lib/libgcc_s.so.1 $out/lib/libgcc_s.so.1
# the .so It used to be a symlink, but now it is a script
cp -a ${stdenv.cc.cc}/lib/libgcc_s.so $out/lib/libgcc_s.so
cp -a ${lib.getLib stdenv.cc.cc}/lib/libgcc_s.so $out/lib/libgcc_s.so
# wipe out reference to previous libc it was built against
chmod +w $out/lib/libgcc_s.so.1
# rely on default RUNPATHs of the binary and other libraries
# Do no force-pull wrong glibc.
patchelf --remove-rpath $out/lib/libgcc_s.so.1
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Note that patchelf --remove-rpath doesn't quite completely remove the RPATH. Unfortunately the fix won't be in the bootstrap-files. I've been using --set-rpath "" as a workaround.

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Yeah, I had to slap nuke-refs on top: #210741

fi
'';

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