remove libiconv

.github/workflows/pre-release.yml

@@ -52,8 +52,6 @@ jobs:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           extraPullNames: nix-community
       - name: Build release
-        env:
-          NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM: 1
         run: |
           nix-build --argstr target ${{ matrix.target }}
       - name: Upload release artifacts

default.nix

@@ -45,7 +45,6 @@ let
     notmuch = pkgs.notmuch;
     gpgme = pkgs.gpgme;
     pkg-config = pkgs.pkg-config;
-    libiconv = pkgs.libiconv-darwin;
     buildNoDefaultFeatures = !defaultFeatures;
     buildFeatures = lib.strings.splitString "," features;
   };

package.nix

@@ -1,5 +1,4 @@
 { lib
-, libiconv
 , pkg-config
 , hostPlatform
 , rustPlatform
@@ -35,12 +34,9 @@ rustPlatform.buildRustPackage rec {
   cargoTestFlags = [ "--lib" ];
 
   nativeBuildInputs = [ pkg-config ]
-    ++ lib.optional hostPlatform.isDarwin libiconv
     ++ lib.optional (installManPages || installShellCompletions) installShellFiles;
 
   buildInputs = [ ]
-    ++ lib.optional hostPlatform.isDarwin libiconv
-    ++ lib.optionals hostPlatform.isDarwin (with darwin.apple_sdk_11_0.frameworks; [ Security ])
     ++ lib.optional (builtins.elem "notmuch" buildFeatures) notmuch
     ++ lib.optional (builtins.elem "pgp-gpg" buildFeatures) gpgme;