Simplify softmmu/main.c

Move qemu_main() declaration to a new header.

Simplify main.c since both cocoa & sdl cannot be enabled together.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220420132624.2439741-5-marcandre.lureau@redhat.com>

include/qemu-common.h

@@ -10,9 +10,4 @@
     "See <https://qemu.org/contribute/report-a-bug> for how to report bugs.\n" \
     "More information on the QEMU project at <https://qemu.org>."
 
-/* main function, renamed */
-#if defined(CONFIG_COCOA)
-int qemu_main(int argc, char **argv, char **envp);
-#endif
-
 #endif

include/qemu-main.h

@@ -0,0 +1,10 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef QEMU_MAIN_H
+#define QEMU_MAIN_H
+
+int qemu_main(int argc, char **argv, char **envp);
+
+#endif /* QEMU_MAIN_H */

softmmu/main.c

@@ -23,28 +23,14 @@
  */
 
 #include "qemu/osdep.h"
-#include "qemu-common.h"
+#include "qemu-main.h"
 #include "sysemu/sysemu.h"
 
 #ifdef CONFIG_SDL
-#if defined(__APPLE__) || defined(main)
 #include <SDL.h>
-static int qemu_main(int argc, char **argv, char **envp);
-int main(int argc, char **argv)
-{
-    return qemu_main(argc, argv, NULL);
-}
-#undef main
-#define main qemu_main
 #endif
-#endif /* CONFIG_SDL */
 
-#ifdef CONFIG_COCOA
+int qemu_main(int argc, char **argv, char **envp)
-#undef main
-#define main qemu_main
-#endif /* CONFIG_COCOA */
-
-int main(int argc, char **argv, char **envp)
 {
     qemu_init(argc, argv, envp);
     qemu_main_loop();
@@ -52,3 +38,10 @@ int main(int argc, char **argv, char **envp)
 
     return 0;
 }
+
+#ifndef CONFIG_COCOA
+int main(int argc, char **argv)
+{
+    return qemu_main(argc, argv, NULL);
+}
+#endif

ui/cocoa.m

@@ -28,6 +28,7 @@
 #include <crt_externs.h>
 
 #include "qemu-common.h"
+#include "qemu-main.h"
 #include "ui/clipboard.h"
 #include "ui/console.h"
 #include "ui/input.h"