cmake replace with ${CMAKE_COMMAND}, fixed #1006

CMakeLists.txt

@@ -88,7 +88,7 @@ function(createBuildInfo)
 	# Generate header file containing useful build information
 	add_custom_target(BuildInfo.h ALL
 		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-		COMMAND cmake -DETH_SOURCE_DIR="${CMAKE_SOURCE_DIR}" -DETH_DST_DIR="${CMAKE_BINARY_DIR}"
+		COMMAND ${CMAKE_COMMAND} -DETH_SOURCE_DIR="${CMAKE_SOURCE_DIR}" -DETH_DST_DIR="${CMAKE_BINARY_DIR}"
 			-DETH_BUILD_TYPE="${_cmake_build_type}" -DETH_BUILD_PLATFORM="${ETH_BUILD_PLATFORM}" 
 			-P "${ETH_SCRIPTS_DIR}/buildinfo.cmake"
 		)

libweb3jsonrpc/CMakeLists.txt

@@ -38,7 +38,7 @@ if (ETH_JSON_RPC_STUB)
 		POST_BUILD
 		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 		COMMAND ${ETH_JSON_RPC_STUB} spec.json --cpp-server=AbstractWebThreeStubServer --cpp-client=WebThreeStubClient 
-		COMMAND cmake -E rename webthreestubclient.h ../test/webthreestubclient.h
+		COMMAND ${CMAKE_COMMAND} -E rename webthreestubclient.h ../test/webthreestubclient.h
 	)
 	add_dependencies(${EXECUTABLE} jsonrpcstub)
 endif()