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Fix libgcc.a linkage when linking libgcc_s.so #317

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Merged
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Dec 1, 2025
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Fix libgcc.a linkage when linking libgcc_s.so #317

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10 changes: 10 additions & 0 deletions pkgs/stdenv-glibc-2_27/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,16 @@ let

postInstall = prevAttrs.postInstall + ''
install -Dm755 $bin/bin/getent -t $getent/bin

# libgcc_s.so is normally a linker script that adds -lgcc for static
# functions. However due to bootstrapping requirements, libgcc_s is
# also added to the glibc library directory. Unfortunately, here it
# is a symlink to libgcc_s.so.1. This breaks linkage with g++, since
# the static library is not used. Newer glibc versions allow fixing
# this easily by setting up the libgcc as a user-trusted directory.
# We'll fix it here by replacing libgcc_s.so by a linker script.
rm -f $out/lib/libgcc_s.so
echo "GROUP ( libgcc_s.so.1 -lgcc )" > $out/lib/libgcc_s.so
'';

passthru = prevAttrs.passthru // {
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