diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a5226d4e7..1e0f868481 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,6 +76,24 @@ option(BUILD_CURL_TESTS "Set to ON to build cURL tests." ON)
 option(CURL_STATICLIB "Set to ON to build libcurl with static linking." OFF)
 option(ENABLE_ARES "Set to ON to enable c-ares support" OFF)
 option(ENABLE_THREADED_RESOLVER "Set to ON to enable POSIX threaded DNS lookup" OFF)
+
+option(ENABLE_DEBUG "Set to ON to enable curl debug features" OFF)
+option(ENABLE_CURLDEBUG "Set to ON to build with TrackMemory feature enabled" OFF)
+
+if (ENABLE_DEBUG)
+  # DEBUGBUILD will be defined only for Debug builds
+  if(NOT CMAKE_VERSION VERSION_LESS 3.0)
+    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:Debug>:DEBUGBUILD>)
+  else()
+    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG DEBUGBUILD)
+  endif()
+  set(ENABLE_CURLDEBUG ON)
+endif()
+
+if (ENABLE_CURLDEBUG)
+  set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS CURLDEBUG)
+endif()
+
 # initialize CURL_LIBS
 set(CURL_LIBS "")