Merge pull request #22117 from dezgeg/aarch64-for-merge

Aarch64 (ARM64) support

pkgs/stdenv/linux/bootstrap-files/aarch64.nix

@@ -0,0 +1,11 @@
+{
+  busybox = import <nix/fetchurl.nix> {
+    url = http://nixos-arm.dezgeg.me/bootstrap-aarch64-for-merge/busybox;
+    sha256 = "12qcml1l67skpjhfjwy7gr10nc86gqcwjmz9ggp7knss8gq8pv7f";
+    executable = true;
+  };
+  bootstrapTools = import <nix/fetchurl.nix> {
+    url = http://nixos-arm.dezgeg.me/bootstrap-aarch64-for-merge/bootstrap-tools.tar.xz;
+    sha256 = "10sqgh0dchp1906h06jznxh8gfflnzbpfy27hng2mmc1l0c7irjr";
+  };
+}

pkgs/stdenv/linux/default.nix

@@ -12,6 +12,7 @@
     "armv5tel-linux" = import ./bootstrap-files/armv5tel.nix;
     "armv6l-linux" = import ./bootstrap-files/armv6l.nix;
     "armv7l-linux" = import ./bootstrap-files/armv7l.nix;
+    "aarch64-linux" = import ./bootstrap-files/aarch64.nix;
     "mips64el-linux" = import ./bootstrap-files/loongson2f.nix;
   }.${localSystem.system}
     or (abort "unsupported platform for the pure Linux stdenv")
@@ -213,7 +214,9 @@ in
         isl = isl_0_14;
       };
     };
-    extraBuildInputs = [ prevStage.patchelf prevStage.paxctl ];
+    extraBuildInputs = [ prevStage.patchelf prevStage.paxctl ] ++
+      # Many tarballs come with obsolete config.sub/config.guess that don't recognize aarch64.
+      lib.optional (system == "aarch64-linux") prevStage.updateAutotoolsGnuConfigScriptsHook;
   })
 
 
@@ -240,7 +243,9 @@ in
         shell = self.bash + "/bin/bash";
       };
     };
-    extraBuildInputs = [ prevStage.patchelf prevStage.xz ];
+    extraBuildInputs = [ prevStage.patchelf prevStage.xz ] ++
+      # Many tarballs come with obsolete config.sub/config.guess that don't recognize aarch64.
+      lib.optional (system == "aarch64-linux") prevStage.updateAutotoolsGnuConfigScriptsHook;
   })
 
   # Construct the final stdenv.  It uses the Glibc and GCC, and adds
@@ -268,7 +273,9 @@ in
       initialPath =
         ((import ../common-path.nix) {pkgs = prevStage;});
 
-      extraBuildInputs = [ prevStage.patchelf prevStage.paxctl ];
+      extraBuildInputs = [ prevStage.patchelf prevStage.paxctl ] ++
+        # Many tarballs come with obsolete config.sub/config.guess that don't recognize aarch64.
+        lib.optional (system == "aarch64-linux") prevStage.updateAutotoolsGnuConfigScriptsHook;
 
       cc = prevStage.gcc;
 
@@ -287,7 +294,7 @@ in
         [ gzip bzip2 xz bash binutils coreutils diffutils findutils gawk
           glibc gnumake gnused gnutar gnugrep gnupatch patchelf attr acl
           paxctl zlib pcre linuxHeaders ed gcc gcc.cc libsigsegv
-        ];
+        ] ++ lib.optional (system == "aarch64-linux") prevStage.updateAutotoolsGnuConfigScriptsHook;
         */
 
       overrides = self: super: {

pkgs/stdenv/linux/make-bootstrap-tools-cross.nix

@@ -50,10 +50,23 @@ let
     };
   };
 
+  aarch64-multiplatform-crossSystem = {
+    crossSystem = rec {
+      config = "aarch64-linux-gnu";
+      bigEndian = false;
+      arch = "aarch64";
+      withTLS = true;
+      libc = "glibc";
+      platform = pkgsNoParams.platforms.aarch64-multiplatform;
+      inherit (platform) gcc;
+    };
+  };
+
   selectedCrossSystem =
     if toolsArch == "armv5tel" then sheevaplugCrossSystem else
     if toolsArch == "armv6l" then raspberrypiCrossSystem else
-    if toolsArch == "armv7l" then armv7l-hf-multiplatform-crossSystem else null;
+    if toolsArch == "armv7l" then armv7l-hf-multiplatform-crossSystem else
+    if toolsArch == "aarch64" then aarch64-multiplatform-crossSystem else null;
 
   pkgs = pkgsFun ({inherit system;} // selectedCrossSystem);
 
@@ -264,4 +277,5 @@ rec {
     armv5tel = buildFor "armv5tel";
     armv6l = buildFor "armv6l";
     armv7l = buildFor "armv7l";
+    aarch64 = buildFor "aarch64";
 }

pkgs/stdenv/linux/make-bootstrap-tools.nix

@@ -170,8 +170,9 @@ rec {
   };
 
   bootstrapFiles = {
-    busybox = "${build}/on-server/busybox";
-    bootstrapTools = "${build}/on-server/bootstrap-tools.tar.xz";
+    # Make them their own store paths to test that busybox still works when the binary is named /nix/store/HASH-busybox
+    busybox = runCommand "busybox" {} "cp ${build}/on-server/busybox $out";
+    bootstrapTools = runCommand "bootstrap-tools.tar.xz" {} "cp ${build}/on-server/bootstrap-tools.tar.xz $out";
   };
 
   bootstrapTools = import ./bootstrap-tools { inherit system bootstrapFiles; };