<if cond="PLATFORM_MACOSX=='1'">$(BASE_MACOSX_HDR)</if>
<if cond="PLATFORM_PALMOS=='1'">$(BASE_PALMOS_HDR)</if>
<if cond="PLATFORM_MSDOS=='1'">$(BASE_MSDOS_HDR)</if>
<if cond="PLATFORM_MACOSX=='1'">$(BASE_MACOSX_HDR)</if>
<if cond="PLATFORM_PALMOS=='1'">$(BASE_PALMOS_HDR)</if>
<if cond="PLATFORM_MSDOS=='1'">$(BASE_MSDOS_HDR)</if>