Update shell.nix

Author: hamphet

shell.nix

@@ -15,11 +15,14 @@ let
 in stdenv.mkDerivation {
     name = "llvm-env";
     buildInputs = [
-      bashInteractive
+      libxml2
+      zlib
+      libffi
+    ];
+    nativeBuildInputs = [
       python3
       ninja
       cmake
-      llvmPackages_latest.llvm
       libbfd
     ];
 
@@ -35,6 +38,9 @@ in stdenv.mkDerivation {
       "-DCMAKE_STRIP=${nativeBintools}/bin/${nativeBintools.targetPrefix}strip"
       "-DCMAKE_RANLIB=${nativeBintools}/bin/${nativeBintools.targetPrefix}ranlib"
       "-DC_INCLUDE_DIRS=${stdenv.cc.libc.dev}/include"
+      "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+      "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
+      "-DLLVM_ENABLE_DUMP=ON"
 
       "-DCMAKE_INSTALL_PREFIX=../inst"
       "-DCMAKE_INSTALL_BINDIR=$../inst/bin"
@@ -47,7 +53,7 @@ in stdenv.mkDerivation {
       "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
       "-DLLVM_TARGETS_TO_BUILD=host"
       "-DLLVM_ENABLE_PROJECTS=\"clang;clang-tools-extra;lld;mlir;polly\""
-      "-DLLVM_ENABLE_RUNTIMES=\"compiler-rt;libcxx;libcxxabi;libunwind\""
+      "-DLLVM_ENABLE_RUNTIMES=\"libunwind;compiler-rt;libcxx;libcxxabi\""
 
       "-DLLVM_POLLY_LINK_INTO_TOOLS=ON"
       "-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON"
@@ -60,7 +66,6 @@ in stdenv.mkDerivation {
       "-DLLVM_INCLUDE_TESTS=OFF"
       "-DLLVM_INSTALL_UTILS=ON"
 
-      "-DLLVM_ENABLE_DUMP=ON"
       "-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF"
       "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"