llvm: Starting to fix Clang wrapping and stdenv building for cross

pkgs/development/compilers/llvm/3.7/default.nix

@@ -1,5 +1,7 @@
 { newScope, stdenv, libstdcxxHook, cmake, libxml2, python2, isl, fetchurl
 , overrideCC, wrapCCWith, darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
 }:
 
 let
@@ -34,7 +36,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -44,7 +46,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lldb = callPackage ./lldb.nix {};

pkgs/development/compilers/llvm/3.8/default.nix

@@ -1,4 +1,8 @@
-{ newScope, stdenv, libstdcxxHook, isl, fetchurl, overrideCC, wrapCCWith, darwin }:
+{ newScope, stdenv, libstdcxxHook, isl, fetchurl, overrideCC, wrapCCWith, darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
+}:
+
 let
   callPackage = newScope (self // { inherit stdenv isl version fetch; });
 
@@ -33,7 +37,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -43,7 +47,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lldb = callPackage ./lldb.nix {};

pkgs/development/compilers/llvm/3.9/default.nix

@@ -1,4 +1,8 @@
-{ newScope, stdenv, libstdcxxHook, isl, fetchurl, overrideCC, wrapCCWith, darwin }:
+{ newScope, stdenv, libstdcxxHook, isl, fetchurl, overrideCC, wrapCCWith, darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
+}:
+
 let
   callPackage = newScope (self // { inherit stdenv isl version fetch; });
 
@@ -33,7 +37,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -43,7 +47,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lldb = callPackage ./lldb.nix {};

pkgs/development/compilers/llvm/4/default.nix

@@ -1,6 +1,8 @@
 { lowPrio, newScope, stdenv, targetPlatform, cmake, libstdcxxHook
 , libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
 , darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
 }:
 
 let
@@ -47,7 +49,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -57,7 +59,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lld = callPackage ./lld.nix {};

pkgs/development/compilers/llvm/5/default.nix

@@ -1,6 +1,8 @@
 { lowPrio, newScope, stdenv, targetPlatform, cmake, libstdcxxHook
 , libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
 , darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
 }:
 
 let
@@ -47,7 +49,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -57,7 +59,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lld = callPackage ./lld.nix {};

pkgs/development/compilers/llvm/6/default.nix

@@ -1,6 +1,8 @@
 { lowPrio, newScope, stdenv, targetPlatform, cmake, libstdcxxHook
 , libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
 , darwin
+, buildLlvmPackages # ourself, but from the previous stage, for cross
+, targetLlvmPackages # ourself, but from the next stage, for cross
 }:
 
 let
@@ -47,7 +49,7 @@ let
 
     libcxxClang = wrapCCWith {
       cc = self.clang-unwrapped;
-      extraPackages = [ self.libcxx self.libcxxabi ];
+      extraPackages = [ targetLlvmPackages.libcxx targetLlvmPackages.libcxxabi ];
     };
 
     stdenv = stdenv.override (drv: {
@@ -57,7 +59,7 @@ let
 
     libcxxStdenv = stdenv.override (drv: {
       allowedRequisites = null;
-      cc = self.libcxxClang;
+      cc = buildLlvmPackages.libcxxClang;
     });
 
     lld = callPackage ./lld.nix {};

pkgs/top-level/all-packages.nix

@@ -6706,30 +6706,40 @@ with pkgs;
 
   llvmPackages_37 = callPackage ../development/compilers/llvm/3.7 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_37;
+    targetLlvmPackages = targetPackages.llvmPackages_37;
   } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
     stdenv = overrideCC stdenv gcc6;
   });
 
   llvmPackages_38 = callPackage ../development/compilers/llvm/3.8 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_38;
+    targetLlvmPackages = targetPackages.llvmPackages_38;
   } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
     stdenv = overrideCC stdenv gcc6;
   });
 
   llvmPackages_39 = callPackage ../development/compilers/llvm/3.9 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_39;
+    targetLlvmPackages = targetPackages.llvmPackages_39;
   } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
     stdenv = overrideCC stdenv gcc6;
   });
 
   llvmPackages_4 = callPackage ../development/compilers/llvm/4 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_4;
+    targetLlvmPackages = targetPackages.llvmPackages_4;
   } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
     stdenv = overrideCC stdenv gcc6;
   });
 
   llvmPackages_5 = callPackage ../development/compilers/llvm/5 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_5;
+    targetLlvmPackages = targetPackages.llvmPackages_5;
   } // stdenv.lib.optionalAttrs stdenv.isDarwin {
     cmake = cmake.override {
       isBootstrap = true;
@@ -6743,6 +6753,8 @@ with pkgs;
 
   llvmPackages_6 = callPackage ../development/compilers/llvm/6 ({
     inherit (stdenvAdapters) overrideCC;
+    buildLlvmPackages = buildPackages.llvmPackages_6;
+    targetLlvmPackages = targetPackages.llvmPackages_6;
   } // stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {
     stdenv = overrideCC stdenv gcc6; # with gcc-7: undefined reference to `__divmoddi4'
   });