--- stack-2.7.5/src/Stack/Setup.hs~	2024-07-08 21:24:36.825860660 +0800
+++ stack-2.7.5/src/Stack/Setup.hs	2024-07-08 21:26:16.500759387 +0800
@@ -1261,6 +1261,8 @@
         Platform Sparc                 Cabal.Linux   -> return "linux-sparc"
         Platform AArch64               Cabal.OSX     -> return "macosx-aarch64"
         Platform AArch64               Cabal.FreeBSD -> return "freebsd-aarch64"
+        Platform PPC64                 Cabal.Linux   -> pure "linux-ppc64"
+        Platform S390                  Cabal.Linux   -> pure "linux-s390"
         Platform arch os -> throwM $ UnsupportedSetupCombo os arch
 
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