llvmPackages_rocm: add compiler-rt

Co-Authored-By: acowley <acowley@users.noreply.github.com>

pkgs/development/compilers/llvm/rocm/compiler-rt/compiler-rt-codesign.patch

@@ -0,0 +1,33 @@
+From 3dec5f3475a26aeb4678627795c4b67c6b7b4785 Mon Sep 17 00:00:00 2001
+From: Will Dietz <w@wdtz.org>
+Date: Tue, 19 Sep 2017 13:13:06 -0500
+Subject: [PATCH] remove codesign use on Apple, disable ios sim testing that
+ needs it
+
+---
+ cmake/Modules/AddCompilerRT.cmake |  8 ------
+ test/asan/CMakeLists.txt          | 52 ---------------------------------------
+ test/tsan/CMakeLists.txt          | 47 -----------------------------------
+ 3 files changed, 107 deletions(-)
+
+diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
+index bc5fb9ff7..b64eb4246 100644
+--- a/cmake/Modules/AddCompilerRT.cmake
++++ b/cmake/Modules/AddCompilerRT.cmake
+@@ -210,14 +210,6 @@ function(add_compiler_rt_runtime name type)
+         set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "")
+         set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib")
+       endif()
+-      if(APPLE)
+-        # Ad-hoc sign the dylibs
+-        add_custom_command(TARGET ${libname}
+-          POST_BUILD  
+-          COMMAND codesign --sign - $<TARGET_FILE:${libname}>
+-          WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
+-        )
+-      endif()
+     endif()
+     install(TARGETS ${libname}
+       ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
+2.14.1
+

pkgs/development/compilers/llvm/rocm/compiler-rt/default.nix

@@ -0,0 +1,57 @@
+{ stdenv, lib, version, src, cmake, python3, llvm, libcxxabi }:
+stdenv.mkDerivation rec {
+  pname = "compiler-rt";
+  inherit version src;
+
+  nativeBuildInputs = [ cmake python3 llvm ];
+
+  NIX_CFLAGS_COMPILE = [
+    "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
+  ];
+
+  cmakeFlags = [
+    "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
+    "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
+    "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
+    "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
+    "-DCOMPILER_RT_BUILD_XRAY=OFF"
+    "-DCOMPILER_RT_BUILD_LIBFUZZER=OFF"
+    "-DCOMPILER_RT_BUILD_PROFILE=OFF"
+    "-DCMAKE_C_COMPILER_WORKS=ON"
+    "-DCMAKE_CXX_COMPILER_WORKS=ON"
+    "-DCOMPILER_RT_BAREMETAL_BUILD=ON"
+    "-DCMAKE_SIZEOF_VOID_P=${toString (stdenv.hostPlatform.parsed.cpu.bits / 8)}"
+    "-DCOMPILER_RT_BUILD_BUILTINS=ON"
+    "-DCMAKE_C_FLAGS=-nodefaultlibs"
+    #https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
+    "-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY"
+  ];
+
+  outputs = [ "out" "dev" ];
+
+  patches = [
+    ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
+  ];
+
+
+  # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
+  # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
+  # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
+  # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
+  # a flag and turn the flag off during the stdenv build.
+  postPatch = lib.optionalString (!stdenv.isDarwin) ''
+    substituteInPlace cmake/builtin-config-ix.cmake \
+      --replace 'set(X86 i386)' 'set(X86 i386 i486 i586 i686)'
+  '';
+
+  # Hack around weird upsream RPATH bug
+  postInstall = ''
+    ln -s "$out/lib"/*/* "$out/lib"
+    ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
+    ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
+    ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
+    ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '';
+
+  enableParallelBuilding = true;
+}

pkgs/development/compilers/llvm/rocm/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildPackages, fetchFromGitHub, callPackage, wrapCCWith }:
+{ stdenv, lib, buildPackages, fetchFromGitHub, callPackage, wrapCCWith, overrideCC }:
 
 let
   version = "4.1.0";
@@ -23,12 +23,33 @@ in rec {
     '';
   };
 
+  clangNoCompilerRt = wrapCCWith rec {
+    cc = clang-unwrapped;
+    extraBuildCommands = ''
+      clang_version=`${cc}/bin/clang -v 2>&1 | grep "clang version " | grep -E -o "[0-9.-]+"`
+      rsrc="$out/resource-root"
+      mkdir "$rsrc"
+      ln -s "${cc}/lib/clang/$clang_version/include" "$rsrc"
+      echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
+      echo "--gcc-toolchain=${stdenv.cc.cc}" >> $out/nix-support/cc-cflags
+      echo "-Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
+      rm $out/nix-support/add-hardening.sh
+      touch $out/nix-support/add-hardening.sh
+    '';
+  };
+
   clang-unwrapped = callPackage ./clang.nix {
     inherit lld llvm version;
     src = "${src}/clang";
   };
 
-  lld = callPackage ./lld {
+  compiler-rt = callPackage ./compiler-rt {
+    inherit version llvm;
+    src = "${src}/compiler-rt";
+    stdenv = overrideCC stdenv clangNoCompilerRt;
+  };
+
+  lld = callPackage ./lld.nix {
     inherit llvm version;
     src = "${src}/lld";
     buildLlvmTools = buildPackages.llvmPackages_rocm;