LZ4 dependency bug from 5.12.11, checkbugs by default

build.sh

@@ -13,7 +13,7 @@ exclude=none
 rename=no
 patch=no
 series=focal
-checkbugs=no
+checkbugs=yes
 buildmeta=no
 maintainer="Zaphod Beeblebrox <zaphod@betelgeuse-seven.western-spiral-arm.change.me.to.match.signing.key>"
 buildargs="-aamd64 -d"
@@ -190,6 +190,18 @@ then
     echo " ---> debian.env bug == yes"
     echo "DEBIAN=debian.master" > debian/debian.env
   fi
+  grep "CONFIG_KERNEL_LZ4=y" debian.master/config/amd64/config.common.amd64 > /dev/null
+  if [ $? == 0 ]
+  then
+    # LZ4 Compression enabled. Check it's listed as a dependency
+    if [ ! $(egrep -i "lz4.*amd" debian.master/control.stub.in > /dev/null) ]
+    then
+      echo " ---> LZ4 dependency bug == yes"
+      sed -i -re "s/(^\s+lz4 )([^<]*)(.*)/\1[amd64 s390x] \3/" debian.master/control.stub.in
+    else
+      echo " ---> LZ4 dependency bug == no"
+    fi
+  fi
 fi
 
 echo -e "********\n\nApplying default configs\n\n********"