54 lines
1.8 KiB
Nix
54 lines
1.8 KiB
Nix
{ lib, stdenv, llvm_meta, version, fetch, fetchpatch, cmake, llvm
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, enableShared ? !stdenv.hostPlatform.isStatic
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}:
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stdenv.mkDerivation rec {
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pname = "libunwind";
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inherit version;
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src = fetch pname "035dsxs10nyiqd00q07yycvmkjl01yz4jdlrjvmch8klxg4pyjhp";
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postUnpack = ''
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unpackFile ${llvm.src}
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cmakeFlagsArray=($cmakeFlagsArray -DLLVM_PATH=$PWD/$(ls -d llvm-*))
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'';
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patches = [
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./gnu-install-dirs.patch
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] ++ lib.optionals (stdenv.hostPlatform.useLLVM or false) [
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# removes use of `new` that require libc++
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(fetchpatch {
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url = "https://github.com/llvm-mirror/libunwind/commit/34a45c630d4c79af403661d267db42fbe7de1178.patch";
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sha256 = "0n0pv6jvcky8pn3srhrf9x5kbnd0d2kia9xlx2g590f5q0bgwfhv";
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})
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# cleans up remaining libc++ dependencies (mostly header inclusions)
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(fetchpatch {
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url = "https://github.com/llvm-mirror/libunwind/commit/e050272d2eb57eb4e56a37b429a61df2ebb8aa3e.patch";
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sha256 = "170mwmj0wf40iyk1kzdpaiy36rz9n8dpl881h4h7s5da0rh51xya";
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includes = [ "src/libunwind.cpp" "src/UnwindCursor.hpp" ];
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})
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];
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outputs = [ "out" "dev" ];
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nativeBuildInputs = [ cmake ];
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cmakeFlags = lib.optionals (!enableShared) [
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"-DLIBUNWIND_ENABLE_SHARED=OFF"
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] ++ lib.optionals (stdenv.hostPlatform.useLLVM or false) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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];
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meta = llvm_meta // {
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# Details: https://github.com/llvm/llvm-project/blob/main/libunwind/docs/index.rst
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homepage = "https://clang.llvm.org/docs/Toolchain.html#unwind-library";
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description = "LLVM's unwinder library";
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longDescription = ''
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The unwind library provides a family of _Unwind_* functions implementing
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the language-neutral stack unwinding portion of the Itanium C++ ABI (Level
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I). It is a dependency of the C++ ABI library, and sometimes is a
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dependency of other runtimes.
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'';
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};
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}
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