libstdc++-v3/mkcshadow

   1 #!/usr/bin/env bash
   2
   3 # mkcshadow: reads header names (like "features.h" or "sys/types.h")
   4 #   from stdin, and creates shadow headers under cshadow/, except where
   5 #   a header of the same name is already in shadow/.
   6
   7 SCRIPTDIR=${0%/*}
   8
   9 if [ ! -d cshadow ]; then
  10   echo "Creating cshadow."
  11   mkdir ../cshadow
  12 fi
  13
  14 echo "Creating..."
  15 while read header; do
  16
  17   if [ ! -f $SCRIPTDIR/shadow/$header ]; then
  18
  19     # strip off directory names while making
  20     #   any necessary directories
  21
  22     dir=../cshadow
  23     case "$header" in */*)
  24       right="$header"
  25       while [ "$right" != "${right##*/}" ] ; do
  26         dir="$dir/${right%%/*}"
  27         if [ ! -d "$dir" ]; then mkdir "$dir"; fi
  28         right="${right#*/}"
  29       done
  30       ;;
  31     esac
  32
  33     echo "  ../cshadow/$header"
  34     UPNAME=`echo $header | tr 'a-z./-' 'A-Z___'`
  35     cat >"../cshadow/$header" <<EOF
  36 // -*- C++ -*- header wrapper.
  37
  38 // Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
  39 //
  40 // This file is part of the GNU ISO C++ Library.  This library is free
  41 // software; you can redistribute it and/or modify it under the
  42 // terms of the GNU General Public License as published by the
  43 // Free Software Foundation; either version 2, or (at your option)
  44 // any later version.
  45
  46 // This library is distributed in the hope that it will be useful,
  47 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  48 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  49 // GNU General Public License for more details.
  50
  51 // You should have received a copy of the GNU General Public License along
  52 // with this library; see the file COPYING.  If not, write to the Free
  53 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  54 // USA.
  55
  56 // As a special exception, you may use this file as part of a free software
  57 // library without restriction.  Specifically, if other files instantiate
  58 // templates or use macros or inline functions from this file, or you compile
  59 // this file and link it with other files to produce an executable, this
  60 // file does not by itself cause the resulting executable to be covered by
  61 // the GNU General Public License.  This exception does not however
  62 // invalidate any other reasons why the executable file might be covered by
  63 // the GNU General Public License.
  64
  65 // Note: this file was automatically generated by the "mkcshadow"
  66 //       script.  RTFM!
  67
  68 #ifndef  _INCLUDED_CPP_${UPNAME}_
  69 # define _INCLUDED_CPP_${UPNAME}_
  70
  71 # ifdef _IN_C_LEGACY_  /* sub-included by a C header */
  72 #   pragma GCC system_header
  73 #   include_next <${header}>
  74 # else
  75
  76     namespace _C_legacy { namespace _C_shadow { } }
  77     using namespace ::_C_legacy::_C_shadow;
  78     namespace _C_legacy {
  79       extern "C" {
  80 #       define _IN_C_LEGACY_
  81 #       pragma GCC system_header
  82 #       include_next <${header}>
  83       } // close extern "C"
  84     }   // close namespace _C_legacy::
  85 # undef _IN_C_LEGACY_
  86
  87 # endif /* _IN_C_LEGACY_ */
  88 #endif /* _INCLUDED_CPP_${UPNAME}_ */
  89 EOF
  90 #################### end ####################
  91   fi
  92 done
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