only pick one event loop on sol2

CMakeLists.txt

@@ -44,9 +44,10 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
   INCLUDE(CheckIncludeFiles)
   CHECK_INCLUDE_FILES(sys/epoll.h SOLARIS_HAVE_EPOLL)
   if (SOLARIS_HAVE_EPOLL AND NOT USE_POLL)
-	  add_definitions(-DSOLARIS_HAVE_EPOLL)
 	  message(STATUS "Using fast emulation of Linux epoll(5) on Solaris.")
+	  add_definitions(-DSOLARIS_HAVE_EPOLL)
   else()
+          set(SOLARIS_HAVE_EPOLL OFF)
 	  message(STATUS "Falling back to poll(2)-based event loop.")
   endif()
 endif()

llarp/ev/ev_sun.cpp

@@ -291,7 +291,7 @@ bool
 llarp_poll_loop::init()
 {
   if(!upollfd)
-    upollfd = upoll_create(1);  // why do we return false? (see ev_poll.cpp)
+    upollfd = upoll_create(1);  // why do we return false? (see ev_epoll.cpp)
   return false;
 }