# This module is used to strip symbols from targets

If                      ( __STRIP_SYMBOLS_INCLUDED )
    Return                  ( )
EndIf                   ( )
Set                     ( __STRIP_SYMBOLS_INCLUDED TRUE )

CMake_Minimum_Required  ( VERSION 3.0 )

# Strip symbols from the given target
# TARGET_NAME     - Target to strip symbols from
# OUTPUT_FILENAME - Filename of the stripped debug informations
Function ( Strip_Symbols TARGET_NAME OUTPUT_FILENAME )
    If                      ( CMAKE_OBJCOPY )
        Set                     ( OBJCOPY "${CMAKE_OBJCOPY}" )
    Else                    ( )
        Find_Program            ( OBJCOPY objcopy )
        If                      ( NOT OBJCOPY )
            Message                 ( FATAL_ERROR "objcopy not found" )
        EndIf                   ( )
    EndIf                   ()

    Set                     ( STRIP_SRC_FILE $<TARGET_FILE:${TARGET_NAME}>)
    Set                     ( STRIP_DST_FILE ${STRIP_SRC_FILE}.dbg )
    Set                     ( ${OUTPUT_FILENAME} "${STRIP_DST_FILE}" PARENT_SCOPE )
    Add_Custom_Command      ( TARGET ${TARGET_NAME}
                              POST_BUILD
                              VERBATIM
                              COMMAND ${OBJCOPY} --only-keep-debug ${STRIP_SRC_FILE} ${STRIP_DST_FILE}
                              COMMAND ${OBJCOPY} --strip-unneeded ${STRIP_SRC_FILE}
                              COMMAND ${OBJCOPY} --add-gnu-debuglink=${STRIP_DST_FILE} ${STRIP_SRC_FILE} )
EndFunction ( )