Add i686 cross

Author: angerman

lib/default.nix

@@ -585,6 +585,8 @@ in {
     then "arm"
     else if hostPlatform.isAarch64
     then "aarch64"
+    else if hostPlatform.isi686
+    then "i386"
     else abort "Don't know which QEMU to use for hostPlatform ${hostPlatform.config}. Please provide qemuSuffix";
 
   # How to run ldd when checking for static linking

overlays/linux-cross.nix

@@ -31,7 +31,7 @@ let
   # of nix build envs.
 
   # we want this to hold only for arm (32 and 64bit) for now.
-  isLinuxCross = haskellLib.isCrossHost && hostPlatform.isLinux && (hostPlatform.isAarch32 || hostPlatform.isAarch64);
+  isLinuxCross = haskellLib.isCrossHost && hostPlatform.isLinux && (hostPlatform.isAarch32 || hostPlatform.isAarch64 || hostPlatform.isi686);
   qemuIservWrapperScript = enableProfiling:
     let
       interpreter =