diff --git a/CMakeLists.txt b/CMakeLists.txt
index 837fd1e992471b4fb78cbf9943780617e01a2c23..ee2b230304f77aed0d6761a5eb6977caf2e7277d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,9 +115,10 @@ if(UNIX)
   add_definitions ("-DDAP_OS_LINUX -DDAP_OS_UNIX")
 # add_definitions ("-DDAP_LOG_MT")
   if(DAP_RELEASE)
-    set(_CCOPT " -Wall -O3 -fPIC -fno-ident -ffast-math -ftree-vectorize -fno-asynchronous-unwind-tables -ffunction-sections -Wl,--gc-sections -Wl,--strip-all -std=gnu11")
+    set(_CCOPT " -Wall  -Wextra -Wno-unused-function -Wno-implicit-fallthrough -Wno-un
+        used-variable -Wno-unused-parameter -Wno-unused-but-set-variable -O3 -fPIC -fno-ident -ffast-math -ftree-vectorize -fno-asynchronous-unwind-tables -ffunction-sections -Wl,--gc-sections -Wl,--strip-all -std=gnu11")
   else()
-    set(_CCOPT "-Wall -pg -g3 -ggdb -fno-eliminate-unused-debug-symbols")
+    set(_CCOPT "-Wall -Wextra -Wno-unused-function -Wno-implicit-fallthrough -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable -pg -g3 -ggdb -fno-eliminate-unused-debug-symbols")
     set(_LOPT "-pg")
     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg")
   endif()