diff --git a/pkgs/development/compilers/ghc/8.10.1.nix b/pkgs/development/compilers/ghc/8.10.1.nix
index 727fc91451e..c0bcdaa6bee 100644
--- a/pkgs/development/compilers/ghc/8.10.1.nix
+++ b/pkgs/development/compilers/ghc/8.10.1.nix
@@ -63,7 +63,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
diff --git a/pkgs/development/compilers/ghc/8.6.5.nix b/pkgs/development/compilers/ghc/8.6.5.nix
index 06266556cf3..863fc74c037 100644
--- a/pkgs/development/compilers/ghc/8.6.5.nix
+++ b/pkgs/development/compilers/ghc/8.6.5.nix
@@ -60,7 +60,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
diff --git a/pkgs/development/compilers/ghc/8.8.2.nix b/pkgs/development/compilers/ghc/8.8.2.nix
index 305226b3407..af5c5433f1b 100644
--- a/pkgs/development/compilers/ghc/8.8.2.nix
+++ b/pkgs/development/compilers/ghc/8.8.2.nix
@@ -60,7 +60,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
diff --git a/pkgs/development/compilers/ghc/8.8.3.nix b/pkgs/development/compilers/ghc/8.8.3.nix
index aa4c378f200..f6b0a8efdf2 100644
--- a/pkgs/development/compilers/ghc/8.8.3.nix
+++ b/pkgs/development/compilers/ghc/8.8.3.nix
@@ -63,7 +63,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
diff --git a/pkgs/development/compilers/ghc/8.8.4.nix b/pkgs/development/compilers/ghc/8.8.4.nix
index 60c0f2cdd9d..6efbef45bac 100644
--- a/pkgs/development/compilers/ghc/8.8.4.nix
+++ b/pkgs/development/compilers/ghc/8.8.4.nix
@@ -63,7 +63,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 4b9ff94963d..5d8b250d41d 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -66,7 +66,7 @@ let
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
     BIGNUM_BACKEND = ${if enableNativeBignum then "native" else "gmp"}
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
+    Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
     CrossCompilePrefix = ${targetPrefix}
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO