treewide: drop support for 32‐bit Darwin

It’s dead, Jim.

doc/release-notes/rl-2505.section.md

···
 
 - `i3status-rust`-package no longer enables `notmuch` by default. It can be enabled via `withNotmuch`.
 
+- All support for 32‐bit Darwin systems has been dropped.
+
 - Default ICU version updated from 74 to 76
 
 - Apache Kafka was updated to `>= 4.0.0`. Please note that this is the first release which operates

lib/systems/doubles.nix

···
 
     # Darwin
     "x86_64-darwin"
-    "i686-darwin"
     "aarch64-darwin"
-    "armv7a-darwin"
 
     # FreeBSD
     "i686-freebsd"

lib/systems/examples.nix

···
     useiOSPrebuilt = true;
   };
 
-  iphone32 = {
-    config = "armv7a-apple-ios";
-    # config = "arm-apple-darwin10";
-    darwinSdkVersion = "14.3";
-    xcodeVer = "12.3";
-    xcodePlatform = "iPhoneOS";
-    useiOSPrebuilt = true;
-  };
-
   iphone64-simulator = {
     config = "x86_64-apple-ios";
     # config = "x86_64-apple-darwin14";
-    darwinSdkVersion = "14.3";
-    xcodeVer = "12.3";
-    xcodePlatform = "iPhoneSimulator";
-    darwinPlatform = "ios-simulator";
-    useiOSPrebuilt = true;
-  };
-
-  iphone32-simulator = {
-    config = "i686-apple-ios";
-    # config = "i386-apple-darwin11";
     darwinSdkVersion = "14.3";
     xcodeVer = "12.3";
     xcodePlatform = "iPhoneSimulator";

lib/tests/systems.nix

···
       "armv7l-linux"
       "armv7l-netbsd"
       "arm-none"
-      "armv7a-darwin"
     ];
     testarmv7 = mseteq armv7 [
-      "armv7a-darwin"
       "armv7a-linux"
       "armv7l-linux"
       "armv7a-netbsd"
···
       "i686-cygwin"
       "i686-windows"
       "i686-none"
-      "i686-darwin"
     ];
     testmips = mseteq mips [
       "mips-none"
···
     ];
     testdarwin = mseteq darwin [
       "x86_64-darwin"
-      "i686-darwin"
       "aarch64-darwin"
-      "armv7a-darwin"
     ];
     testfreebsd = mseteq freebsd [
       "aarch64-freebsd"

pkgs/development/compilers/rust/binary.nix

···
         # Platforms with host tools from
         # https://doc.rust-lang.org/nightly/rustc/platform-support.html
         "x86_64-darwin"
-        "i686-darwin"
         "aarch64-darwin"
         "i686-freebsd"
         "x86_64-freebsd"
···
       targetPlatforms = tier1TargetPlatforms ++ [
         # Platforms without host tools from
         # https://doc.rust-lang.org/nightly/rustc/platform-support.html
-        "armv7a-darwin"
         "armv5tel-linux"
         "armv7a-linux"
         "m68k-linux"

pkgs/development/libraries/tachyon/default.nix

···
     else if stdenv.hostPlatform.system == "aarch64-darwin" then
       "macosx"
     else if stdenv.hostPlatform.system == "x86_64-darwin" then
-      "macosx-thr"
-    else if stdenv.hostPlatform.system == "i686-darwin" then
-      "macosx-64-thr"
+      "macosx-x86-64-thr"
     else if stdenv.hostPlatform.system == "i686-cygwin" then
       "win32"
     else if stdenv.hostPlatform.system == "x86_64-freebsd" then

pkgs/development/python-modules/debugpy/default.nix

···
             "i686-linux" = "-shared -o attach_linux_x86.so";
             "aarch64-linux" = "-shared -o attach_linux_arm64.so";
             "x86_64-darwin" = "-D_REENTRANT -dynamiclib -lc -o attach_x86_64.dylib";
-            "i686-darwin" = "-D_REENTRANT -dynamiclib -lc -o attach_x86.dylib";
             "aarch64-darwin" = "-D_REENTRANT -dynamiclib -lc -o attach_arm64.dylib";
           }
           .${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}")
···
       "i686-linux"
       "aarch64-linux"
       "x86_64-darwin"
-      "i686-darwin"
       "aarch64-darwin"
     ];
   };

pkgs/games/dwarf-fortress/game.nix

···
     x86_64-linux = "linux";
     i686-linux = "linux32";
     x86_64-darwin = "osx";
-    i686-darwin = "osx32";
     x86_64-cygwin = "win";
     i686-cygwin = "win32";
   };