chore(build): use SDL3

vendor/sdl-3.2.10/src/misc/unix/SDL_sysurl.c

@@ -0,0 +1,71 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#include "../SDL_sysurl.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <errno.h>
+#ifdef USE_POSIX_SPAWN
+#include <spawn.h>
+extern char **environ;
+#endif
+
+bool SDL_SYS_OpenURL(const char *url)
+{
+    const char *args[] = { "xdg-open", url, NULL };
+    SDL_Environment *env = NULL;
+    SDL_Process *process = NULL;
+    bool result = false;
+
+    env = SDL_CreateEnvironment(true);
+    if (!env) {
+        goto done;
+    }
+
+    // Clear LD_PRELOAD so Chrome opens correctly when this application is launched by Steam
+    SDL_UnsetEnvironmentVariable(env, "LD_PRELOAD");
+
+    SDL_PropertiesID props = SDL_CreateProperties();
+    if (!props) {
+        goto done;
+    }
+    SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, args);
+    SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ENVIRONMENT_POINTER, env);
+    SDL_SetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN, true);
+    process = SDL_CreateProcessWithProperties(props);
+    SDL_DestroyProperties(props);
+    if (!process) {
+        goto done;
+    }
+
+    result = true;
+
+done:
+    SDL_DestroyEnvironment(env);
+    SDL_DestroyProcess(process);
+
+    return result;
+}