From 7602c8d01e7fce26551037304fa2c65f29e5c892 Mon Sep 17 00:00:00 2001
From: Kristian Lein-Mathisen <kristianlein@gmail.com>
Date: Mon, 5 Sep 2022 21:49:03 +0200
Subject: [PATCH 1/2] gnu: Add mimalloc.

* gnu/packages/engineering.scm (mimalloc): New variable.
---
 gnu/packages/engineering.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index f195179413..5f5ef158a2 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -2895,6 +2895,28 @@ (define-public pcb2gcode
 dynamic calibration of the milling depth.")
      (license license:gpl3+))))
 
+;; Note there is another mimalloc used in rust-mimalloc (version 1.6.4).
+(define-public mimalloc
+  (package
+    (name "mimalloc")
+    (version "2.0.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/microsoft/mimalloc")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "05x2dl3zimflfj91ns3vrphmzpdlyyr230p9adqgfds101f16qmv"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:build-type "Release"))
+    (synopsis "General purpose memory allocator")
+    (description "@code{mimalloc} is a drop-in replacement for @code{malloc}.")
+    (home-page "https://microsoft.github.io/mimalloc/")
+    (license license:expat)))
+
 (define-public syscall-intercept
   ;; Upstream provides no tag. Also, last version update is 4 years old.
   (let ((commit "304404581c57d43478438d175099d20260bae74e")

base-commit: c4504dfb1da78f2f21fc5139a2fd5e82ed0ef21c
-- 
2.37.2