diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 46c6c3431..6744a9a44 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -54,6 +54,7 @@ set(CMAKE_CXX_FLAGS_DEBUG          "-g -DLEAN_DEBUG -DLEAN_TRACE")
 set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELEASE        "-O3 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
+set(CMAKE_CXX_FLAGS_GPROF          "-O2 -g -pg")
 
 # SPLIT_STACK
 if ("${SPLIT_STACK}" MATCHES "ON")