diff -Naur zlib-0.6.3.0/Setup.hs zlib-0.6.3.0.new/Setup.hs
--- zlib-0.6.3.0/Setup.hs	1970-01-01 01:00:00.000000000 +0100
+++ zlib-0.6.3.0.new/Setup.hs	2022-10-13 19:56:24.791748982 +0200
@@ -0,0 +1,3 @@
+import Distribution.Simple
+main = defaultMain
+