diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6001ea0..5f51c1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,12 +71,11 @@ else()
 			set(CPU x86-64)
 		endif()
 	endif()
-	set(LIBS mcl)
 	if(USE_GMP)
-		set(LIBS ${LIBS} gmp gmpxx)
+		set(EXT_LIBS ${EXT_LIBS} gmp gmpxx)
 	endif()
 	if(USE_OPENSSL)
-		set(LIBS ${LIBS} crypto)
+		set(EXT_LIBS ${EXT_LIBS} crypto)
 	endif()
 endif()
 
@@ -126,19 +125,44 @@ include_directories(
 	${mcl_SOURCE_DIR}/include
 )
 
-add_library(mcl STATIC ${SRCS})
-add_library(mcl_dy SHARED ${SRCS})
-target_link_libraries(mcl_dy ${LIBS})
-set_target_properties(mcl_dy PROPERTIES OUTPUT_NAME mcl)
-#set_target_properties(mcl_dy PROPERTIES OUTPUT_NAME mcl VERSION 1.0.0 SOVERSION 1)
+add_library(mcl SHARED ${SRCS})
+add_library(mcl_st STATIC ${SRCS})
+target_link_libraries(mcl ${EXT_LIBS})
+target_link_libraries(mcl_st ${EXT_LIBS})
+set_target_properties(mcl_st PROPERTIES OUTPUT_NAME mcl)
+#set_target_properties(mcl_st PROPERTIES PREFIX "lib")
+#set_target_properties(mcl PROPERTIES OUTPUT_NAME mcl VERSION 1.0.0 SOVERSION 1)
 # For semantics of ABI compatibility including when you must bump SOVERSION, see:
 # https://community.kde.org/Policies/Binary_Compatibility_Issues_With_C%2B%2B#The_Do.27s_and_Don.27ts
 
+set(LIBS mcl ${EXT_LIBS})
+add_library(mclbn256 SHARED src/bn_c256.cpp)
+target_link_libraries(mclbn256 ${LIBS})
+add_library(mclbn384 SHARED src/bn_c384.cpp)
+target_link_libraries(mclbn384 ${LIBS})
+add_library(mclbn512 SHARED src/bn_c512.cpp)
+target_link_libraries(mclbn512 ${LIBS})
+add_library(mclbn384_256 SHARED src/bn_c384_256.cpp)
+target_link_libraries(mclbn384_256 ${LIBS})
+
+add_executable(bn_c256_test test/bn_c256_test.cpp)
+target_link_libraries(bn_c256_test mclbn256)
+add_executable(bn_c384_test test/bn_c384_test.cpp)
+target_link_libraries(bn_c384_test mclbn384)
+add_executable(bn_c512_test test/bn_c512_test.cpp)
+target_link_libraries(bn_c512_test mclbn512)
+add_executable(bn_c384_256_test test/bn_c384_256_test.cpp)
+target_link_libraries(bn_c384_256_test mclbn384_256)
+
 file(GLOB MCL_HEADERS include/mcl/*.hpp include/mcl/bn.h include/mcl/curve_type.h)
 file(GLOB CYBOZULIB_HEADERS include/cybozu/*.hpp)
 
 install(TARGETS mcl DESTINATION lib)
-install(TARGETS mcl_dy DESTINATION lib)
+install(TARGETS mcl_st DESTINATION lib)
+install(TARGETS mclbn256 DESTINATION lib)
+install(TARGETS mclbn384 DESTINATION lib)
+install(TARGETS mclbn384_256 DESTINATION lib)
+install(TARGETS mclbn512 DESTINATION lib)
 install(FILES ${MCL_HEADERS} DESTINATION include/mcl)
 install(FILES include/mcl/impl/bn_c_impl.hpp DESTINATION include/mcl/impl)
 install(FILES ${CYBOZULIB_HEADERS} DESTINATION include/cybozu)
diff --git a/include/mcl/bn.h b/include/mcl/bn.h
index 0a31d55..e866a7a 100644
--- a/include/mcl/bn.h
+++ b/include/mcl/bn.h
@@ -34,9 +34,11 @@
 	#ifndef MCLBN_NO_AUTOLINK
 		#if MCLBN_FP_UNIT_SIZE == 4
 			#pragma comment(lib, "mclbn256.lib")
-		#elif MCLBN_FP_UNIT_SIZE == 6
+		#elif (MCLBN_FP_UNIT_SIZE == 6) && (MCLBN_FR_UNIT_SIZE == 4)
+			#pragma comment(lib, "mclbn384_256.lib")
+		#elif (MCLBN_FP_UNIT_SIZE == 6) && (MCLBN_FR_UNIT_SIZE == 6)
 			#pragma comment(lib, "mclbn384.lib")
-		#else
+		#elif MCLBN_FP_UNIT_SIZE == 8
 			#pragma comment(lib, "mclbn512.lib")
 		#endif
 	#endif