From 0b4d19ccdded19dbde2a8a36251b184157d1e37c Mon Sep 17 00:00:00 2001
From: Raf Gemmail <rafiq@dreamthought.com>
Date: Sun, 25 May 2025 13:17:20 +1200
Subject: [PATCH] matrix-brandy: add darwin support

---
 pkgs/by-name/ma/matrix-brandy/no-lrt.patch | 13 +++++++++++++
 pkgs/by-name/ma/matrix-brandy/package.nix  |  9 ++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/by-name/ma/matrix-brandy/no-lrt.patch

diff --git a/pkgs/by-name/ma/matrix-brandy/no-lrt.patch b/pkgs/by-name/ma/matrix-brandy/no-lrt.patch
new file mode 100644
index 000000000000..7f42553852a9
--- /dev/null
+++ b/pkgs/by-name/ma/matrix-brandy/no-lrt.patch
@@ -0,0 +1,13 @@
+diff --git a/makefile b/makefile
+index d89cee1..37c1ac5 100644
+--- a/makefile
++++ b/makefile
+@@ -13,7 +13,7 @@ CFLAGS = -O3 -fPIE $(shell sdl-config --cflags) -DUSE_SDL -DDEFAULT_IGNORE -Wall
+ 
+ LDFLAGS +=
+ 
+-LIBS = -lm $(shell sdl-config --libs) -ldl -pthread -lrt -lX11
++LIBS = -lm $(shell sdl-config --libs) -ldl -pthread -lX11
+ 
+ SRCDIR = src
+ 
diff --git a/pkgs/by-name/ma/matrix-brandy/package.nix b/pkgs/by-name/ma/matrix-brandy/package.nix
index de9247c2fa20..2adc72a2e897 100644
--- a/pkgs/by-name/ma/matrix-brandy/package.nix
+++ b/pkgs/by-name/ma/matrix-brandy/package.nix
@@ -18,6 +18,13 @@ stdenv.mkDerivation rec {
     hash = "sha256-sMgYgV4/vV1x5xSICXRpW6K8uCdVlJrS7iEg6XzQRo8=";
   };
 
+  patches = lib.optionals stdenv.isDarwin [ ./no-lrt.patch ];
+
+  makeFlags = lib.optionals stdenv.isDarwin [
+    "CC=cc"
+    "LD=clang"
+  ];
+
   buildInputs = [
     libX11
     SDL
@@ -35,7 +42,7 @@ stdenv.mkDerivation rec {
     description = "Matrix Brandy BASIC VI for Linux, Windows, MacOSX";
     mainProgram = "brandy";
     license = licenses.gpl2Plus;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = with maintainers; [ fiq ];
   };
 }