diff --git a/source/shared_lib/CMakeLists.txt b/source/shared_lib/CMakeLists.txt
index acc8d91b..1ae55ebc 100644
--- a/source/shared_lib/CMakeLists.txt
+++ b/source/shared_lib/CMakeLists.txt
@@ -95,6 +95,31 @@ IF(UNIX)
 	SET(EXTERNAL_LIBS ${EXTERNAL_LIBS} ${CURL_LIBRARIES})
 ENDIF()
 
+# check libcurl version #
+IF(WIN32)
+	file (READ ${PROJECT_SOURCE_DIR}${CURL_INCLUDE_DIR}/curl/curlver.h CURL_VERSION_H_CONTENTS)
+ELSE()
+	file (READ ${CURL_INCLUDE_DIR}/curl/curlver.h CURL_VERSION_H_CONTENTS)
+ENDIF()
+
+string (REGEX MATCH "LIBCURL_VERSION_MAJOR[ \t]+([0-9]+)" LIBCURL_VERSION_MJ ${CURL_VERSION_H_CONTENTS})
+string (REGEX MATCH "([0-9]+)" LIBCURL_VERSION_MJ ${LIBCURL_VERSION_MJ})
+string (REGEX MATCH "LIBCURL_VERSION_MINOR[ \t]+([0-9]+)" LIBCURL_VERSION_MI ${CURL_VERSION_H_CONTENTS})
+string (REGEX MATCH "([0-9]+)" LIBCURL_VERSION_MI ${LIBCURL_VERSION_MI})
+string (REGEX MATCH "LIBCURL_VERSION_PATCH[ \t]+([0-9]+)" LIBCURL_VERSION_PT ${CURL_VERSION_H_CONTENTS})
+string (REGEX MATCH "([0-9]+)" LIBCURL_VERSION_PT ${LIBCURL_VERSION_PT})
+set (CURL_MAJOR_VERSION ${LIBCURL_VERSION_MJ})
+set (CURL_MINOR_VERSION ${LIBCURL_VERSION_MI})
+set (CURL_PATCH_VERSION ${LIBCURL_VERSION_PT})
+include_regular_expression("^.*$")
+# Setup package meta-data
+set(CURL_VERSION ${CURL_MAJOR_VERSION}.${CURL_MINOR_VERSION}.${CURL_PATCH_VERSION})
+message(STATUS "curl version=[${CURL_VERSION}]")
+IF( ${CURL_VERSION} VERSION_LESS 7.21.0)
+	message(STATUS "(please visit http://curl.haxx.se/libcurl/ to find a newer version)")	
+	message(FATAL_ERROR " CURL version = [${CURL_VERSION}] we require AT LEAST [7.21.0]")
+ENDIF()
+
 #########################################################################################
 # glest lib
 
@@ -203,17 +228,6 @@ SET_SOURCE_FILES_PROPERTIES(${MG_SOURCE_FILES} PROPERTIES COMPILE_FLAGS
 	"${PLATFORM_SPECIFIC_DEFINES} ${STREFLOP_PROPERTIES} ${CXXFLAGS}")
 	
 SET_SOURCE_FILES_PROPERTIES(${MG_INCLUDE_FILES} PROPERTIES HEADER_FILE_ONLY 1)
-	
-
-# [RCL] FIXME: make it compiler-agnostic
-#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -fno-strict-aliasing -frounding-math  -fsignaling-nans -mfpmath=sse -msse")
-
-#IF(WIN32)
-#	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_WINDOWS -D_WIN32 -D_STDCALL_SUPPORTED -D_M_IX86 -DXML_LIBRARY -D_LIB  -DUSE_STREFLOP -DSTREFLOP_SSE -DSTREFLOP_RANDOM_GEN_SIZE=32 -DLIBM_COMPILING_FLT32 -DCURL_STATICLIB")
-#ENDIF()
-
-#MESSAGE(STATUS "Source files: ${MG_SOURCE_FILES}")
-#MESSAGE(STATUS "Include files: ${MG_INCLUDE_FILES}")
 
 IF(NOT WIN32)
 	ADD_LIBRARY(libglest STATIC ${MG_SOURCE_FILES} ${MG_INCLUDE_FILES})