Merge master into staging-next

lib/fixed-points.nix

@@ -30,9 +30,12 @@ rec {
   #     nix-repl> converge (x: x / 2) 16
   #     0
   converge = f: x:
-    if (f x) == x
-    then x
-    else converge f (f x);
+    let
+      x' = f x;
+    in
+      if x' == x
+      then x
+      else converge f x';
 
   # Modify the contents of an explicitly recursive attribute set in a way that
   # honors `self`-references. This is accomplished with a function

lib/systems/platforms.nix

@@ -258,7 +258,6 @@ rec {
     name = "armeabi-v7a";
     gcc = {
       arch = "armv7-a";
-      float = "hard";
       float-abi = "softfp";
       fpu = "vfpv3-d16";
     };