From: Anonymous Maarten <anonymous.maarten@gmail.com>
Date: Fri, 8 Aug 2025 04:55:32 +0200
Subject: cmake: detect RISCOS platform before GNU/Hurd

Origin: upstream, 3.4.0, commit:595c37b3a4cb62fee46326cd09efb635e49f2a49
Bug-Debian: https://salsa.debian.org/sdl-team/libsdl3/-/merge_requests/3
---
 cmake/sdlplatform.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake/sdlplatform.cmake b/cmake/sdlplatform.cmake
index c5904be..bdba9c1 100644
--- a/cmake/sdlplatform.cmake
+++ b/cmake/sdlplatform.cmake
@@ -24,6 +24,8 @@ function(SDL_DetectCMakePlatform)
     set(sdl_cmake_platform n3ds)
   elseif(PS2)
     set(sdl_cmake_platform ps2)
+  elseif(RISCOS)
+    set(sdl_cmake_platform RISCOS)
   elseif(VITA)
     set(sdl_cmake_platform Vita)
   elseif(CMAKE_SYSTEM_NAME MATCHES ".*Linux")
@@ -35,6 +37,7 @@ function(SDL_DetectCMakePlatform)
   elseif(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
     set(sdl_cmake_platform OpenBSD)
   elseif(CMAKE_SYSTEM_NAME STREQUAL "GNU")
+    # GNU/Hurd must be checked AFTER RISCOS
     set(sdl_cmake_platform Hurd)
   elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
     set(sdl_cmake_platform BSDi)
