diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 865e28f6d5..c5a51edd1d 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -884,6 +884,9 @@ macro(CheckPTHREAD)
       set(PTHREAD_LDFLAGS "-pthread")
     elseif(QNX)
       # pthread support is baked in
+    elseif(HURD)
+      set(PTHREAD_CFLAGS "-D_REENTRANT")
+      set(PTHREAD_LDFLAGS "-pthread")
     else()
       set(PTHREAD_CFLAGS "-D_REENTRANT")
       set(PTHREAD_LDFLAGS "-lpthread")
diff --git a/cmake/sdlplatform.cmake b/cmake/sdlplatform.cmake
index 60e0e77fd9..6b5777aeca 100644
--- a/cmake/sdlplatform.cmake
+++ b/cmake/sdlplatform.cmake
@@ -36,8 +36,8 @@ function(SDL_DetectCMakePlatform)
     set(sdl_cmake_platform NetBSD)
   elseif(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
     set(sdl_cmake_platform OpenBSD)
-  elseif(CMAKE_SYSTEM_NAME MATCHES ".*GNU.*")
-    set(sdl_cmake_platform GNU)
+  elseif(CMAKE_SYSTEM_NAME STREQUAL "GNU")
+    set(sdl_cmake_platform Hurd)
   elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
     set(sdl_cmake_platform BSDi)
   elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD")
diff --git a/include/SDL3/SDL_platform_defines.h b/include/SDL3/SDL_platform_defines.h
index f7f14be005..848dac3db8 100644
--- a/include/SDL3/SDL_platform_defines.h
+++ b/include/SDL3/SDL_platform_defines.h
@@ -484,4 +484,14 @@
 #define SDL_PLATFORM_NGAGE 1
 #endif
 
+#ifdef __GNU__
+
+/**
+ * A preprocessor macro that is only defined if compiling for GNU/Hurd.
+ *
+ * \since This macro is available since SDL 3.4.0.
+ */
+#define SDL_PLATFORM_HURD 1
+#endif
+
 #endif /* SDL_platform_defines_h_ */
diff --git a/src/SDL.c b/src/SDL.c
index 41a8435e6a..9b5ee8713f 100644
--- a/src/SDL.c
+++ b/src/SDL.c
@@ -770,6 +770,8 @@ const char *SDL_GetPlatform(void)
     return "PlayStation Vita";
 #elif defined(SDL_PLATFORM_3DS)
     return "Nintendo 3DS";
+#elif defined(SDL_PLATFORM_HURD)
+    return "GNU/Hurd";
 #elif defined(__managarm__)
     return "Managarm";
 #else
diff --git a/src/core/unix/SDL_appid.c b/src/core/unix/SDL_appid.c
index 996e216cd5..8bf3349877 100644
--- a/src/core/unix/SDL_appid.c
+++ b/src/core/unix/SDL_appid.c
@@ -30,11 +30,11 @@ const char *SDL_GetExeName(void)
 
     // TODO: Use a fallback if BSD has no mounted procfs (OpenBSD has no procfs at all)
     if (!proc_name) {
-#if defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_FREEBSD) || defined (SDL_PLATFORM_NETBSD)
+#if defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_FREEBSD) || defined (SDL_PLATFORM_NETBSD) || defined(SDL_PLATFORM_HURD)
         static char linkfile[1024];
         int linksize;
 
-#if defined(SDL_PLATFORM_LINUX)
+#if defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_HURD)
         const char *proc_path = "/proc/self/exe";
 #elif defined(SDL_PLATFORM_FREEBSD)
         const char *proc_path = "/proc/curproc/file";
diff --git a/test/testgles2.c b/test/testgles2.c
index 1184eab7cb..ba3e0ddcda 100644
--- a/test/testgles2.c
+++ b/test/testgles2.c
@@ -19,7 +19,7 @@
 
 #include <stdlib.h>
 
-#if defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_ANDROID) || defined(SDL_PLATFORM_EMSCRIPTEN) || defined(SDL_PLATFORM_WIN32) || defined(SDL_PLATFORM_LINUX)
+#if defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_ANDROID) || defined(SDL_PLATFORM_EMSCRIPTEN) || defined(SDL_PLATFORM_WIN32) || defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_HURD)
 #define HAVE_OPENGLES2
 #endif