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+This is the README from the source distribution of GHDL.
+
+To get the binary distribution or more information, go to:
+ https://github.com/tgingold/ghdl
+
+Copyright:
+**********
+GHDL is copyright (c) 2002 - 2015 Tristan Gingold.
+See the GHDL manual for more details.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.
+
+
+Building GHDL from sources:
+***************************
+
+See BUILD.txt
+
+Please report bugs and issues on https://github.com/tgingold/ghdl/issues
+
+If you cannot compile, please report the gcc version, GNAT version and gcc
+source version.
+
+* Note for ppc64 (and AIX ?) platform:
+The object file format contains an identifier for the source language. Because
+gcc doesn't know about the VHDL, gcc crashes very early. This could be fixed
+with a very simple change in gcc/config/rs6000/rs6000.c,
+function rs6000_output_function_epilogue (as of gcc 4.8):
+       else if (! strcmp (language_string, "GNU Objective-C"))
+        i = 14;
+       else
+-       gcc_unreachable ();
++       i = 0;
+       fprintf (file, "%d,", i);
+
+       /* 8 single bit fields: global linkage (not set for C extern linkage,
+
+Tristan Gingold.