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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- G N A T . C O M P I L E R _ V E R S I O N --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2002-2017, AdaCore --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package provides a routine for obtaining the version number of the
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33 -- GNAT compiler used to compile the program. It relies on the generated
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34 -- constant in the binder generated package that records this information.
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35
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36 -- Note: to use this package you must first instantiate it, for example:
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37
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38 -- package CVer is new GNAT.Compiler_Version;
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39
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40 -- and then you use the function in the instantiated package (Cver.Version).
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41 -- The reason that this unit is generic is that otherwise the direct attempt
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42 -- to import the necessary variable from the binder file causes trouble when
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43 -- building a shared library, since the symbol is not available.
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44
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45 -- Note: this unit is only useable if the main program is written in Ada.
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46 -- It cannot be used if the main program is written in foreign language.
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47
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48 generic
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49 package GNAT.Compiler_Version is
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50 pragma Pure;
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51
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52 function Version return String;
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53 -- This function returns the version in the form "v.vvx (yyyyddmm)".
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54 -- Here v.vv is the main version number (e.g. 3.16), x is the version
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55 -- designator (e.g. a1 in 3.16a1), and yyyyddmm is the date in ISO form.
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56 -- An example of the returned value would be "3.16w (20021029)". The
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57 -- version is actually that of the binder used to bind the program,
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58 -- which will be the same as the compiler version if a consistent
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59 -- set of tools is used to build the program.
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60
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61 end GNAT.Compiler_Version;
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