SET( CMAKE_CXX_FLAGS_MAINTAINER "-Wall -Wabi" CACHE STRING
    "Flags used by the C++ compiler during maintainer builds."
    FORCE )
SET( CMAKE_C_FLAGS_MAINTAINER "-Werror -Wall -Wimplicit -Wformat -Wmissing-braces -Wreturn-type -Wunused-variable -Wuninitialized -Wno-pointer-sign"
  CACHE STRING
    "Flags used by the C compiler during maintainer builds."
    FORCE )
SET( CMAKE_EXE_LINKER_FLAGS_MAINTAINER
    "-Wl,--warn-unresolved-symbols,--warn-once" CACHE STRING
    "Flags used for linking binaries during maintainer builds."
    FORCE )
SET( CMAKE_SHARED_LINKER_FLAGS_MAINTAINER
    "-Wl,--warn-unresolved-symbols,--warn-once" CACHE STRING
    "Flags used by the shared libraries linker during maintainer builds."
    FORCE )
MARK_AS_ADVANCED(
    CMAKE_CXX_FLAGS_MAINTAINER
    CMAKE_C_FLAGS_MAINTAINER
    CMAKE_EXE_LINKER_FLAGS_MAINTAINER
    CMAKE_SHARED_LINKER_FLAGS_MAINTAINER )
# Update the documentation string of CMAKE_BUILD_TYPE for GUIs
SET( CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING
    "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Maintainer."
    FORCE )