configure: Make sure old VLC.app building is optional on Mac OS X.

Makefile.am

@@ -410,7 +410,7 @@ vlc$(EXEEXT):
 	ln -sf bin/vlc-static$(EXEEXT) vlc$(EXEEXT)
 
 if HAVE_DARWIN
-if BUILD_VLC
+if BUILD_MACOSX_VLC_APP
 # Create the MacOS X app
 noinst_DATA = VLC.app
 endif

configure.ac

@@ -4439,6 +4439,10 @@ then
   VLC_ADD_PLUGIN([access_eyetv])
 fi
 
+AC_ARG_ENABLE(macosx-vlc-app,
+  [  --enable-macosx-vlc-app            build the VLC media player (default enabled on Mac OS X)])
+AM_CONDITIONAL(BUILD_MACOSX_VLC_APP, [test "${enable_macosx_vlc_app}" != "no" &&
+    (test "${SYS}" = "darwin" || test "${enable_macosx_vlc_app}" = "yes") ])
 
 
 dnl