This qualifier allows you to determine whether RDML will
    communicate between separate modules with program sections or
    global symbols by specifying either program section or global
    symbol linkage methods.

    Format:

            /LINKAGE=PROGRAM_SECTIONS  (Default)
            /LINKAGE=GLOBAL_SYMBOLS

1  –  PROGRAM_SECTIONS

    When you use this qualifier, RDML communicates between separate
    modules with program sections. Using this qualifier will allow
    you to link RDML modules with SQLPRE and RDBPRE modules.

2  –  GLOBAL_SYMBOLS

    When you use this qualifier, RDML communicates between separate
    modules with global symbols. Rdb recommends that you only
    use this qualifier if you have problems linking with program
    sections.