diff -Nru patat-0.8.4.0/debian/changelog patat-0.8.4.0/debian/changelog
--- patat-0.8.4.0/debian/changelog	2019-10-24 22:29:42.000000000 +0000
+++ patat-0.8.4.0/debian/changelog	2020-02-06 03:12:06.000000000 +0000
@@ -1,3 +1,10 @@
+patat (0.8.4.0-1+rpi1) bullseye-staging; urgency=medium
+
+  [changes brought forward from 0.8.1.2-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 27 Jan 2019 01:02:29 +0000]
+  * Remove -N from rts options, ghc doesn't support it on armv6.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 06 Feb 2020 03:12:06 +0000
+
 patat (0.8.4.0-1) unstable; urgency=medium
 
   * New upstream version 0.8.4.0
diff -Nru patat-0.8.4.0/debian/patches/remove--N-option.patch patat-0.8.4.0/debian/patches/remove--N-option.patch
--- patat-0.8.4.0/debian/patches/remove--N-option.patch	1970-01-01 00:00:00.000000000 +0000
+++ patat-0.8.4.0/debian/patches/remove--N-option.patch	2020-02-06 03:12:06.000000000 +0000
@@ -0,0 +1,14 @@
+Description:  Remove -N from rts options, ghc doesn't support it on armv6.
+Author: Peter Michael Green <plugwash@raspbian.org>
+
+--- patat-0.8.4.0.orig/patat.cabal
++++ patat-0.8.4.0/patat.cabal
+@@ -88,7 +88,7 @@ Library
+ 
+ Executable patat
+   Main-is:          Main.hs
+-  Ghc-options:      -Wall -threaded -rtsopts "-with-rtsopts=-N"
++  Ghc-options:      -Wall -threaded -rtsopts
+   Hs-source-dirs:   src
+   Default-language: Haskell2010
+   Build-depends:    base, patat
diff -Nru patat-0.8.4.0/debian/patches/series patat-0.8.4.0/debian/patches/series
--- patat-0.8.4.0/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ patat-0.8.4.0/debian/patches/series	2020-02-06 03:12:06.000000000 +0000
@@ -0,0 +1 @@
+remove--N-option.patch