From 2d46b9e876953cff8df5f2f694c84e70602d610f Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Wed, 24 Jan 2024 03:24:23 +0100
Subject: [PATCH 1/3] mailcore2: fix build

---
 pkgs/development/libraries/mailcore2/default.nix | 4 ++++
 pkgs/top-level/all-packages.nix                  | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mailcore2/default.nix b/pkgs/development/libraries/mailcore2/default.nix
index 77e7669c0e12..b266979d12e4 100644
--- a/pkgs/development/libraries/mailcore2/default.nix
+++ b/pkgs/development/libraries/mailcore2/default.nix
@@ -28,6 +28,10 @@ stdenv.mkDerivation rec {
        --replace "/usr/include/libxml2" "${libxml2.dev}/include/libxml2"
     substituteInPlace src/core/basetypes/MCHTMLCleaner.cpp \
       --replace buffio.h tidybuffio.h
+    substituteInPlace src/core/basetypes/MCICUTypes.h \
+      --replace "__CHAR16_TYPE__ UChar" "char16_t UChar"
+    substituteInPlace src/core/basetypes/MCString.cpp \
+      --replace "xmlErrorPtr" "const xmlError *"
   '';
 
   cmakeFlags = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 79239e00c3e1..b3dcd65725cf 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -40490,7 +40490,7 @@ with pkgs;
   loop = callPackage ../tools/misc/loop { };
 
   mailcore2 = callPackage ../development/libraries/mailcore2 {
-    icu = icu58;
+    icu = icu71;
   };
 
   mamba = callPackage ../applications/audio/mamba { };

From 0d3f439149605db034d9ede36dd40eb8eac77ada Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Wed, 24 Jan 2024 11:15:37 +0100
Subject: [PATCH 2/3] libetpan: set meta.platforms

---
 pkgs/development/libraries/libetpan/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/libetpan/default.nix b/pkgs/development/libraries/libetpan/default.nix
index 1f7f52c70ab5..767b53c9d277 100644
--- a/pkgs/development/libraries/libetpan/default.nix
+++ b/pkgs/development/libraries/libetpan/default.nix
@@ -95,5 +95,6 @@ stdenv.mkDerivation rec {
     homepage = "https://www.etpan.org/libetpan.html";
     license = licenses.bsd3;
     maintainers = with maintainers; [ oxzi ];
+    platforms = platforms.unix;
   };
 }

From ce7117ccc055167bd2254328b659a80dbf28706c Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Wed, 24 Jan 2024 11:56:22 +0100
Subject: [PATCH 3/3] mailcore2: fix build on darwin

---
 .../libraries/mailcore2/default.nix           | 23 +++++++++++++------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/libraries/mailcore2/default.nix b/pkgs/development/libraries/mailcore2/default.nix
index b266979d12e4..86b4a320b68f 100644
--- a/pkgs/development/libraries/mailcore2/default.nix
+++ b/pkgs/development/libraries/mailcore2/default.nix
@@ -1,5 +1,6 @@
 { stdenv, lib, fetchFromGitHub, cmake, libetpan, icu, cyrus_sasl, libctemplate
 , libuchardet, pkg-config, glib, html-tidy, libxml2, libuuid, openssl
+, darwin
 }:
 
 stdenv.mkDerivation rec {
@@ -16,8 +17,14 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
-    libetpan icu cyrus_sasl libctemplate libuchardet glib
-    html-tidy libxml2 libuuid openssl
+    libetpan cyrus_sasl libctemplate libuchardet
+    html-tidy libxml2 openssl
+  ] ++ lib.optionals stdenv.isLinux [
+    glib
+    icu
+    libuuid
+  ] ++ lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.Foundation
   ];
 
   postPatch = ''
@@ -28,13 +35,14 @@ stdenv.mkDerivation rec {
        --replace "/usr/include/libxml2" "${libxml2.dev}/include/libxml2"
     substituteInPlace src/core/basetypes/MCHTMLCleaner.cpp \
       --replace buffio.h tidybuffio.h
-    substituteInPlace src/core/basetypes/MCICUTypes.h \
-      --replace "__CHAR16_TYPE__ UChar" "char16_t UChar"
     substituteInPlace src/core/basetypes/MCString.cpp \
       --replace "xmlErrorPtr" "const xmlError *"
+  '' + lib.optionalString (!stdenv.isDarwin) ''
+    substituteInPlace src/core/basetypes/MCICUTypes.h \
+      --replace "__CHAR16_TYPE__ UChar" "char16_t UChar"
   '';
 
-  cmakeFlags = [
+  cmakeFlags = lib.optionals (!stdenv.isDarwin) [
     "-DBUILD_SHARED_LIBS=ON"
   ];
 
@@ -43,10 +51,10 @@ stdenv.mkDerivation rec {
     cp -r src/include $out
 
     mkdir $out/lib
-    cp src/libMailCore.so $out/lib
+    cp src/libMailCore.* $out/lib
   '';
 
-  doCheck = true;
+  doCheck = !stdenv.isDarwin;
   checkPhase = ''
     (
       cd unittest
@@ -59,5 +67,6 @@ stdenv.mkDerivation rec {
     homepage    = "http://libmailcore.com";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ ];
+    platforms   = platforms.unix;
   };
 }