From b5de7afc2ed1b031a902aeaffa7dec4db6df5a8b Mon Sep 17 00:00:00 2001
From: "R. Ryantm" <ryantm-bot@ryantm.com>
Date: Tue, 1 Apr 2025 07:30:01 +0000
Subject: [PATCH 1/2] mimalloc: 2.1.8 -> 3.0.3

---
 pkgs/by-name/mi/mimalloc/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/mi/mimalloc/package.nix b/pkgs/by-name/mi/mimalloc/package.nix
index 97c07e5ca613..b0de189bcc97 100644
--- a/pkgs/by-name/mi/mimalloc/package.nix
+++ b/pkgs/by-name/mi/mimalloc/package.nix
@@ -12,13 +12,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "mimalloc";
-  version = "2.1.8";
+  version = "3.0.3";
 
   src = fetchFromGitHub {
     owner = "microsoft";
     repo = "mimalloc";
     rev = "v${version}";
-    sha256 = "sha256-C0cqYiXxx8tW3plUZrfAJYKeY36opGKymkZ/CWrVuEI=";
+    sha256 = "sha256-RjFMLInulyynrmyAg6Km/u9HGfcYeerkou0gQwCdhsA=";
   };
 
   doCheck = !stdenv.hostPlatform.isStatic;

From fa19834c5f6c364ef8bf318cc1babf1055ebd30d Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Fri, 4 Apr 2025 20:54:46 +0200
Subject: [PATCH 2/2] sv-lang: fix build with mimalloc 3.0

---
 pkgs/by-name/sv/sv-lang/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/sv/sv-lang/package.nix b/pkgs/by-name/sv/sv-lang/package.nix
index 3de3b51af508..65e51db70263 100644
--- a/pkgs/by-name/sv/sv-lang/package.nix
+++ b/pkgs/by-name/sv/sv-lang/package.nix
@@ -22,6 +22,11 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-msSc6jw2xbEZfOwtqwFEDIKcwf5SDKp+j15lVbNO98g=";
   };
 
+  postPatch = ''
+    substituteInPlace external/CMakeLists.txt \
+      --replace-fail 'set(mimalloc_min_version "2.1")' 'set(mimalloc_min_version "${lib.versions.majorMinor mimalloc.version}")'
+  '';
+
   cmakeFlags = [
     # fix for https://github.com/NixOS/nixpkgs/issues/144170
     "-DCMAKE_INSTALL_INCLUDEDIR=include"