From d33fbc3dde2ab2cbba7e7137c9c0d0780e83627a Mon Sep 17 00:00:00 2001
From: jonahbeckford <71855677+jonahbeckford@users.noreply.github.com>
Date: Mon, 7 Apr 2025 13:34:29 -0700
Subject: [PATCH] [libev] The 'select' backend is available to MSVC (#44045)

---
 ports/libev/0001-use-select-with-msvc.patch | 13 +++++++++++++
 ports/libev/portfile.cmake                  |  1 +
 ports/libev/vcpkg.json                      |  2 +-
 versions/baseline.json                      |  2 +-
 versions/l-/libev.json                      |  5 +++++
 5 files changed, 21 insertions(+), 2 deletions(-)
 create mode 100644 ports/libev/0001-use-select-with-msvc.patch

diff --git a/ports/libev/0001-use-select-with-msvc.patch b/ports/libev/0001-use-select-with-msvc.patch
new file mode 100644
index 0000000000..989c0b515b
--- /dev/null
+++ b/ports/libev/0001-use-select-with-msvc.patch
@@ -0,0 +1,13 @@
+diff --git a/ev.c b/ev.c
+index ec212a1..b80b1e0 100644
+--- a/ev.c
++++ b/ev.c
+@@ -90,7 +90,7 @@
+ #   define EV_USE_NANOSLEEP 0
+ # endif
+ 
+-# if HAVE_SELECT && HAVE_SYS_SELECT_H
++# if HAVE_SELECT && (HAVE_SYS_SELECT_H || defined(_MSC_VER))
+ #  ifndef EV_USE_SELECT
+ #   define EV_USE_SELECT EV_FEATURE_BACKENDS
+ #  endif
diff --git a/ports/libev/portfile.cmake b/ports/libev/portfile.cmake
index d93a57dda9..424385b90f 100644
--- a/ports/libev/portfile.cmake
+++ b/ports/libev/portfile.cmake
@@ -8,6 +8,7 @@ vcpkg_extract_source_archive(
     SOURCE_PATH
     ARCHIVE "${ARCHIVE}"
     PATCHES "0000-event-fix-undefined-struct-timeval.patch"
+            "0001-use-select-with-msvc.patch"
 )
 
 set(LIBEV_LINK_FLAGS "")
diff --git a/ports/libev/vcpkg.json b/ports/libev/vcpkg.json
index 3c39dc394f..809227f7b9 100644
--- a/ports/libev/vcpkg.json
+++ b/ports/libev/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "libev",
   "version": "4.33",
-  "port-version": 3,
+  "port-version": 4,
   "description": "libev is a high-performance event loop/event model with lots of features.",
   "homepage": "http://software.schmorp.de/pkg/libev.html",
   "license": "BSD-2-Clause OR GPL-2.0-or-later"
diff --git a/versions/baseline.json b/versions/baseline.json
index b3f25156a8..1299aa8e53 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -4594,7 +4594,7 @@
     },
     "libev": {
       "baseline": "4.33",
-      "port-version": 3
+      "port-version": 4
     },
     "libevdev": {
       "baseline": "1.13.4",
diff --git a/versions/l-/libev.json b/versions/l-/libev.json
index 572361ea1c..31da28eb4c 100644
--- a/versions/l-/libev.json
+++ b/versions/l-/libev.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "93adc0ea0491c2b0607d28bca4c732e3b353fc44",
+      "version": "4.33",
+      "port-version": 4
+    },
     {
       "git-tree": "048b4e081061376e4e6fdcd18670669162f79c7a",
       "version": "4.33",