diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0736be7..01068a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,14 @@ IF(MSVC)
 	SET(CMAKE_LIBRARY_PATH "${CMAKE_LIBRARY_PATH};${MSVC_LIB_DIR}")
 ENDIF(MSVC)
 
+IF(CMAKE_COMPILER_IS_GNUCC)
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -pedantic -Werror")
+ENDIF()
+
+IF(CMAKE_COMPILER_IS_GNUCXX)
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror")
+ENDIF()
+
 ADD_SUBDIRECTORY(BPTCEncoder)
 ADD_SUBDIRECTORY(IO)
 ADD_SUBDIRECTORY(Core)