mono: remove llvm build

pkgs/development/compilers/mono/generic.nix

@@ -9,11 +9,9 @@
   perl,
   libgdiplus,
   libX11,
-  callPackage,
   ncurses,
   zlib,
   bash,
-  withLLVM ? false,
   cacert,
   Foundation,
   libobjc,
@@ -32,9 +30,6 @@
   env ? { },
 }:
 
-let
-  llvm = callPackage ./llvm.nix { };
-in
 stdenv.mkDerivation rec {
   pname = "mono";
   inherit version env;
@@ -72,16 +67,11 @@ stdenv.mkDerivation rec {
       libobjc
     ];
 
-  configureFlags =
-    [
-      "--x-includes=${libX11.dev}/include"
-      "--x-libraries=${libX11.out}/lib"
-      "--with-libgdiplus=${libgdiplus}/lib/libgdiplus.so"
-    ]
-    ++ lib.optionals withLLVM [
-      "--enable-llvm"
-      "--with-llvm=${llvm}"
-    ];
+  configureFlags = [
+    "--x-includes=${libX11.dev}/include"
+    "--x-libraries=${libX11.out}/lib"
+    "--with-libgdiplus=${libgdiplus}/lib/libgdiplus.so"
+  ];
 
   configurePhase = ''
     patchShebangs autogen.sh mcs/build/start-compiler-server.sh
@@ -92,16 +82,11 @@ stdenv.mkDerivation rec {
   # because we control pkg-config
   patches = [ ./pkgconfig-before-gac.patch ] ++ extraPatches;
 
-  # Patch all the necessary scripts. Also, if we're using LLVM, we fix the default
-  # LLVM path to point into the Mono LLVM build, since it's private anyway.
-  preBuild =
-    ''
-      makeFlagsArray=(INSTALL=`type -tp install`)
-      substituteInPlace mcs/class/corlib/System/Environment.cs --replace /usr/share "$out/share"
-    ''
-    + lib.optionalString withLLVM ''
-      substituteInPlace mono/mini/aot-compiler.c --replace "llvm_path = g_strdup (\"\")" "llvm_path = g_strdup (\"${llvm}/bin/\")"
-    '';
+  # Patch all the necessary scripts
+  preBuild = ''
+    makeFlagsArray=(INSTALL=`type -tp install`)
+    substituteInPlace mcs/class/corlib/System/Environment.cs --replace-fail /usr/share "$out/share"
+  '';
 
   # Fix mono DLLMap so it can find libX11 to run winforms apps
   # libgdiplus is correctly handled by the --with-libgdiplus configure flag