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* adaint.c (__gnat_file_exists): Do not use __gnat_stat for RTX. (__main for RTX in RTSS mode): Create this dummy procedure symbol to avoid the use of this symbol from libgcc.a in RTX kernel mode. * cio.c (put_int, put_int_stderr, put_char, put_char_stderr): For RTX we call the function RtPrintf for console output. * argv.c Do not use the environ variable for RTX. * gnatlink.adb (gnatlink): The part that handles the --RTS option has been moved before the call to Osint.Add_Default_Search_Dirs in order to take into account the flags in system.ads (RTX_RTSS_Kernel_Module) from the appropriate run time. * targparm.ads (RTX_RTSS_Kernel_Module_On_Target): Add this flag that is set to True if target is a RTSS module for RTX. * targparm.adb (Targparm_Tags, RTX_Str, Targparm_Str): Add tag RTX for RTX_RTSS_Kernel_Module (Get_Target_Parameters): Add processing of RTX_RTSS_Kernel_Module flag. * gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS for RTX): Use gcc exception handling mechanism for Windows and RTX in Win32 mode, but not for RTX in kernel mode (RTSS). (LIBGNAT_SRCS): Remove ada.h From-SVN: r138305
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