$NetBSD: patch-CMakeLists.txt,v 1.1 2020/01/10 15:27:25 nia Exp $

Don't try to use epoll on SunOS, causes the build to fail

--- CMakeLists.txt.orig	2019-03-31 02:13:04.000000000 +0000
+++ CMakeLists.txt
@@ -364,7 +364,9 @@ check_include_file(strings.h HAVE_STRING
 check_function_exists(strcasecmp HAVE_STRCASECMP)
 check_function_exists(stricmp HAVE_STRICMP)
 check_function_exists(umask HAVE_UMASK)
-check_function_exists(epoll_wait HAVE_EPOLL)
+if(NOT CMAKE_SYSTEM_NAME MATCHES "SunOS")
+  check_function_exists(epoll_wait HAVE_EPOLL)
+endif()
 check_function_exists(poll HAVE_POLL)
 check_function_exists(kqueue HAVE_KQUEUE)