--- stack-2.15.7/src/Stack/Setup.hs~	2024-05-12 22:50:14.000000000 +0800
+++ stack-2.15.7/src/Stack/Setup.hs	2024-08-02 01:11:32.252316054 +0800
@@ -2138,6 +2138,8 @@
     Platform Sparc                 Cabal.Linux   -> pure "linux-sparc"
     Platform AArch64               Cabal.OSX     -> pure "macosx-aarch64"
     Platform AArch64               Cabal.FreeBSD -> pure "freebsd-aarch64"
+    Platform PPC64                 Cabal.Linux   -> pure "linux-ppc64"
+    Platform S390X                 Cabal.Linux   -> pure "linux-s390x"
     Platform arch os ->
       prettyThrowM $ UnsupportedSetupCombo os arch tool toolDir programsDir