Merge remote-tracking branch 'afaerber-or/cocoa-for-upstream' into staging

* afaerber-or/cocoa-for-upstream:
  cocoa: Suppress Cocoa frontend for -qtest
  arch_init: Fix AltiVec build on Darwin/ppc

arch_init.c

@@ -100,6 +100,10 @@ const uint32_t arch_type = QEMU_ARCH;
 #define VECTYPE        vector unsigned char
 #define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
+/* altivec.h may redefine the bool macro as vector type.
+ * Reset it to POSIX semantics. */
+#undef bool
+#define bool _Bool
 #elif defined __SSE2__
 #include <emmintrin.h>
 #define VECTYPE        __m128i

ui/cocoa.m

@@ -879,7 +879,8 @@ int main (int argc, const char * argv[]) {
                 !strcmp(opt, "-vnc") ||
                 !strcmp(opt, "-nographic") ||
                 !strcmp(opt, "-version") ||
-                !strcmp(opt, "-curses")) {
+                !strcmp(opt, "-curses") ||
+                !strcmp(opt, "-qtest")) {
                 return qemu_main(gArgc, gArgv, *_NSGetEnviron());
             }
         }