From cebe295fc87cd27c517635fca17cd00a4c0b123e Mon Sep 17 00:00:00 2001
From: Artemis Tosini <artemis.tosini@obsidian.systems>
Date: Mon, 23 Feb 2026 09:34:28 -0500
Subject: [PATCH] wlroots: fix build on FreeBSD

---
 pkgs/development/libraries/wlroots/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/wlroots/default.nix b/pkgs/development/libraries/wlroots/default.nix
index 88b6304871ed..d59d4fcb5c57 100644
--- a/pkgs/development/libraries/wlroots/default.nix
+++ b/pkgs/development/libraries/wlroots/default.nix
@@ -27,6 +27,7 @@
   libliftoff,
   libdisplay-info,
   lcms2,
+  evdev-proto,
   nixosTests,
   testers,
 
@@ -88,7 +89,6 @@ let
         libliftoff
         libdisplay-info
         libGL
-        libcap
         libxkbcommon
         libgbm
         pixman
@@ -102,11 +102,17 @@ let
         libxcb-render-util
         libxcb-wm
       ]
+      ++ lib.optional stdenv.hostPlatform.isLinux libcap
+      ++ lib.optional stdenv.hostPlatform.isFreeBSD evdev-proto
       ++ lib.optional finalAttrs.enableXWayland xwayland
       ++ extraBuildInputs;
 
       mesonFlags = [
         (lib.mesonEnable "xwayland" finalAttrs.enableXWayland)
+      ]
+      # The other allocator, udmabuf, is a linux-specific API
+      ++ lib.optionals (!stdenv.hostPlatform.isLinux) [
+        (lib.mesonOption "allocators" "gbm")
       ];
 
       postFixup = ''
@@ -138,7 +144,7 @@ let
         inherit (finalAttrs.src.meta) homepage;
         changelog = "https://gitlab.freedesktop.org/wlroots/wlroots/-/tags/${version}";
         license = lib.licenses.mit;
-        platforms = lib.platforms.linux;
+        platforms = lib.platforms.linux ++ lib.platforms.freebsd;
         maintainers = with lib.maintainers; [
           synthetica
           wineee