From cd467f92e5e2d50e6285c898c141a3b33118ea6b Mon Sep 17 00:00:00 2001
From: Sean Link <sean.link@lightdeckdx.com>
Date: Wed, 29 Nov 2023 13:43:26 -0700
Subject: [PATCH] srt: Add mingw32 build support

---
 pkgs/development/libraries/srt/default.nix    | 23 +++++++++++++++----
 .../srt/no-msvc-compat-headers.patch          | 10 ++++++++
 2 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 pkgs/development/libraries/srt/no-msvc-compat-headers.patch

diff --git a/pkgs/development/libraries/srt/default.nix b/pkgs/development/libraries/srt/default.nix
index 73bf5c25ae54..d25aab35da22 100644
--- a/pkgs/development/libraries/srt/default.nix
+++ b/pkgs/development/libraries/srt/default.nix
@@ -1,4 +1,9 @@
-{ lib, stdenv, fetchFromGitHub, cmake, openssl
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, openssl
+, windows
 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +19,15 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ openssl ];
+  buildInputs = [
+    openssl
+  ] ++ lib.optionals stdenv.hostPlatform.isMinGW [
+    windows.mingw_w64_pthreads
+  ];
+
+  patches = lib.optionals stdenv.hostPlatform.isMinGW [
+    ./no-msvc-compat-headers.patch
+  ];
 
   cmakeFlags = [
     # the cmake package does not handle absolute CMAKE_INSTALL_INCLUDEDIR correctly
@@ -29,9 +42,9 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Secure, Reliable, Transport";
-    homepage    = "https://github.com/Haivision/srt";
-    license     = licenses.mpl20;
+    homepage = "https://github.com/Haivision/srt";
+    license = licenses.mpl20;
     maintainers = with maintainers; [ nh2 ];
-    platforms   = platforms.all;
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/libraries/srt/no-msvc-compat-headers.patch b/pkgs/development/libraries/srt/no-msvc-compat-headers.patch
new file mode 100644
index 000000000000..ffededc7d54e
--- /dev/null
+++ b/pkgs/development/libraries/srt/no-msvc-compat-headers.patch
@@ -0,0 +1,10 @@
+--- srt-1.3.2/common/filelist_win32.maf.orig	2018-06-15 21:44:11.000000000 +0200
++++ srt-1.3.2/common/filelist_win32.maf	2018-09-25 20:26:36.903688700 +0200
+@@ -4,7 +4,6 @@
+ #
+ # These are included by platform_sys.h header contained in ../srtcore/filelist.maf
+ #
+-win/unistd.h
+ 
+ SOURCES
+ win_time.cpp