# Define options for compiling:
SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS None Release Debug RelWithDebInfo)
IF(NOT CMAKE_BUILD_TYPE)
    SET(CMAKE_BUILD_TYPE Release CACHE STRING "" FORCE)
ENDIF()
IF(NOT DEFINED COMPILE_POSTFIX)
    STRING(COMPARE EQUAL ${CMAKE_BUILD_TYPE} Debug EQ)
    IF(NOT EQ)
        STRING(COMPARE EQUAL ${CMAKE_BUILD_TYPE} RelWithDebInfo EQ)
    ENDIF()
    IF(EQ)
        SET(COMPILE_POSTFIX "_d")
    ELSEIF()
        SET(COMPILE_POSTFIX "")
    ENDIF()
ENDIF()

IF(NOT DEFINED LAST_BUILD_TYPE)
    SET(LAST_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE INTERNAL "")
ENDIF()

STRING(COMPARE EQUAL ${CMAKE_BUILD_TYPE} ${LAST_BUILD_TYPE} EQ)
IF(NOT EQ)
    SET(BUILD_TYPE_CHANGED TRUE)
    SET(LAST_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE INTERNAL "")
ENDIF()