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-rw-r--r--corepkgs/buildenv.nix18
-rw-r--r--release.nix5
2 files changed, 19 insertions, 4 deletions
diff --git a/corepkgs/buildenv.nix b/corepkgs/buildenv.nix
index b4946457f1..ab1ce13f2c 100644
--- a/corepkgs/buildenv.nix
+++ b/corepkgs/buildenv.nix
@@ -23,10 +23,20 @@ derivation {
   # network traffic, so don't do that.
   preferLocalBuild = true;
 
-  __impureHostDeps = if builtins.currentSystem == "x86_64-darwin" then [
-    "/usr/lib/libSystem.dylib"
-    "/usr/lib/system"
-  ] else null;
+  __sandboxProfile = ''
+    (allow sysctl-read)
+    (allow file-read*
+           (literal "/usr/lib/libSystem.dylib")
+           (literal "/usr/lib/libSystem.B.dylib")
+           (literal "/usr/lib/libobjc.A.dylib")
+           (literal "/usr/lib/libobjc.dylib")
+           (literal "/usr/lib/libauto.dylib")
+           (literal "/usr/lib/libc++abi.dylib")
+           (literal "/usr/lib/libc++.1.dylib")
+           (literal "/usr/lib/libDiagnosticMessagesClient.dylib")
+           (subpath "/usr/lib/system")
+           (subpath "/dev"))
+  '';
 
   inherit chrootDeps;
 }
diff --git a/release.nix b/release.nix
index 4269a3f76d..cb391d0ffa 100644
--- a/release.nix
+++ b/release.nix
@@ -97,6 +97,11 @@ let
 
         enableParallelBuilding = true;
 
+        __sandboxProfile = lib.sandbox.allowNetwork
+          + lib.sandbox.allowFileRead {
+            literal = [ "/etc" "/etc/nix/nix.conf" "/private/etc/nix/nix.conf" ];
+          };
+
         makeFlags = "profiledir=$(out)/etc/profile.d";
 
         preBuild = "unset NIX_INDENT_MAKE";