ce789e7e35
- merge libcxxabi into libcxx for LLVM 12, 13, 14, 15, 16, 17, and git. - remove the link time workaround `-lc++ -lc++abi` from 58 packages as it is no longer required. - fixes https://github.com/NixOS/nixpkgs/issues/166205 - provides alternative fixes for. https://github.com/NixOS/nixpkgs/issues/269548 https://github.com/NixOS/nix/issues/9640 - pkgsCross.x86_64-freebsd builds work again This change can be represented in 3 stages 1. merge libcxxabi into libcxx -- files: pkgs/development/compilers/llvm/[12, git]/{libcxx, libcxxabi} 2. update stdenv to account for merge -- files: stdenv.{adapters, cc.wrapper, darwin} 3. remove all references to libcxxabi outside of llvm (about 58 packages modified) ### merging libcxxabi into libcxx - take the union of the libcxxabi and libcxx cmake flags - eliminate the libcxx-headers-only package - it was only needed to break libcxx <-> libcxxabi circular dependency - libcxx.cxxabi is removed. external cxxabi (freebsd) will symlink headers / libs into libcxx. - darwin will re-export the libcxxabi symbols into libcxx so linking `-lc++` is sufficient. - linux/freebsd `libc++.so` is a linker script `LINK(libc++.so.1, -lc++abi)` making `-lc++` sufficient. - libcxx/default.nix [12, 17] are identical except for patches and `LIBCXX_ADDITIONAL_LIBRARIES` (only used in 16+) - git/libcxx/defaul.nix does not link with -nostdlib when useLLVM is true so flag is removed. this is not much different than before as libcxxabi used -nostdlib where libcxx did not, so libc was linked in anyway. ### stdenv changes - darwin bootstrap, remove references to libcxxabi and cxxabi - cc-wrapper: remove c++ link workaround when libcxx.cxxabi doesn't exist (still exists for LLVM pre 12) - adapter: update overrideLibcxx to account for a pkgs.stdenv that only has libcxx ### 58 package updates - remove `NIX_LDFLAGS = "-l${stdenv.cc.libcxx.cxxabi.libName}` as no longer needed - swift, nodejs_v8 remove libcxxabi references in the clang override https://github.com/NixOS/nixpkgs/pull/292043
38 lines
1.1 KiB
Nix
38 lines
1.1 KiB
Nix
{ lib, stdenv, llvm_meta, version, fetch, libcxx, llvm, cmake
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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 "192ww6n81lj2mb9pj4043z79jp3cf58a9c2qrxjwm5c3a64n1shb";
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postUnpack = ''
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ln -s ${libcxx.src}/libcxx .
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ln -s ${libcxx.src}/llvm .
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'';
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patches = [
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./gnu-install-dirs.patch
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];
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outputs = [ "out" "dev" ];
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nativeBuildInputs = [ cmake ];
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cmakeFlags = lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF";
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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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