--- CMakeLists.txt.orig	2013-03-26 03:58:35.000000000 +0400
+++ CMakeLists.txt	2013-11-09 07:51:04.829392176 +0400
@@ -364,7 +364,6 @@
 elseif (MSVC)
 	# nothing to be done here
 else   (MSVC)
-	Message(FATAL_ERROR "unknown compiler")
 endif ($ENV{CXX} MATCHES "icpc")
 
 add_definitions(-DSTREFLOP_SSE) # would break AI compiling, but is undefined in ./AI/CMakeLists.txt
