diff --git a/trunk/install.cmake b/trunk/install.cmake
index 0e6d636bf..95d491cf4 100644
--- a/trunk/install.cmake
+++ b/trunk/install.cmake
@@ -74,7 +74,7 @@ IF(WIN32 AND NOT CYGWIN)
   ENDIF(CMAKE_CXX_COMPILER MATCHES cl)  
 ELSE(WIN32 AND NOT CYGWIN)
     IF(CMAKE_COMPILER_IS_GNUCXX)
-       SET(CMAKE_CXX_FLAGS_DEBUG  "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g -Wall -pedantic -Wextra -Wno-import -Winit-self  -Wmissing-include-dirs -Wunused-parameter -Wundef  -Wshadow  -Wunsafe-loop-optimizations -Wcast-align -Wconversion -Wsign-compare -Winline -Wdisabled-optimization")                       
+       SET(CMAKE_CXX_FLAGS_DEBUG  "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g -Wall -Wextra")                       
        SET(CMAKE_CXX_FLAGS_RELEASE  "${CMAKE_CXX_FLAGS_RELEASE} -O2")
        SET(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -O6")       
     ENDIF(CMAKE_COMPILER_IS_GNUCXX)