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llvm_11: link to the llvm compiler-rt share directory from the wrapper (#100190)

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A port of #85925 for LLVM 11 to enable CFI for Chromium.

This is required for features such as `-fsanitize=cfi` that (by default)
load the file `…/resource-root/share/cfi_blacklist.txt`.
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TredwellGit 2020-10-11 08:42:56 -04:00 committed by GitHub
parent 3568e17510
commit 03dd1b355b
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pkgs/development/compilers/llvm/11/default.nix
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@ -24,6 +24,7 @@ let
mkdir "$rsrc"
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
ln -s "${targetLlvmLibraries.compiler-rt.out}/share" "$rsrc/share"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags