arch/misc/shdeps.sh

   1 #! /bin/sh
   2 # shdeps.sh: Generate OS dependency fixups, for `groff' shell scripts
   3 #
   4 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
   5 #      Written by Keith Marshall (keith.d.marshall@ntlworld.com)
   6 #
   7 # Invoked only by `make', as:
   8 #    $(SHELL) shdeps.sh "$(RT_SEP)" "$(SH_SEP)" "$(bindir)" > shdeps.sed
   9 #
  10 # This file is part of groff.
  11 #
  12 # groff is free software; you can redistribute it and/or modify it under
  13 # the terms of the GNU General Public License as published by the Free
  14 # Software Foundation; either version 2, or (at your option) any later
  15 # version.
  16 #
  17 # groff is distributed in the hope that it will be useful, but WITHOUT ANY
  18 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20 # for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License along
  23 # with groff; see the file COPYING.  If not, write to the Free Software
  24 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 cat << ETX
  27 # shdeps.sed: Script generated automatically by \`make' -- do not modify!
  28
  29 /^$/N
  30 /@GROFF_BIN_PATH_SETUP@/c\\
  31 ETX
  32
  33 if [ "$1$2" = "::" ]
  34 then
  35   # `PATH_SEPARATOR' is `:' both at `groff' run time, and in `make',
  36   # implying an implementation which is completely POSIX compliant.
  37   # Simply apply the `GROFF_BIN_PATH' and `PATH_SEPARATOR' values
  38   # determined by `configure', in all cases.
  39
  40   cat << ETX
  41 \\
  42 GROFF_RUNTIME="\${GROFF_BIN_PATH=$3}:"
  43 /@PATH_SEARCH_SETUP@/d
  44 ETX
  45
  46 else
  47   # `PATH_SEPARATOR' is NOT always `:',
  48   # which suggests an implementation for a Microsoft platform.
  49   # We need to choose the `GROFF_BIN_PATH' format and `PATH_SEPARATOR'
  50   # which will suit the user's choice of shell.
  51   #
  52   # Note that some Windows users may specify the `--prefix' path
  53   # using backslash characters, instead of `/', preferred by POSIX,
  54   # so we will also fix that up.
  55
  56   POSIX_BINDIR=`echo $3 | tr '\\\\' /`
  57   cat << ETX
  58 # (The value required is dependent on the user's choice of shell,\\
  59 #  and its associated POSIX emulation capabilities.)\\
  60 \\
  61 case "\$OSTYPE" in\\
  62   msys)\\
  63     GROFF_RUNTIME=\${GROFF_BIN_PATH="`
  64       case "$POSIX_BINDIR" in
  65         [a-zA-Z]:*)
  66           IFS=':'
  67           set -- $POSIX_BINDIR
  68           case "$2" in
  69             /*) POSIX_BINDIR="/$1$2"  ;;
  70              *) POSIX_BINDIR="/$1/$2" ;;
  71           esac
  72           shift 2
  73           for dir
  74             do
  75               POSIX_BINDIR="$POSIX_BINDIR:$dir"
  76             done
  77           ;;
  78       esac
  79       echo "$POSIX_BINDIR"`"}":" ;;\\
  80   cygwin)\\
  81     : \${GROFF_BIN_PATH="\`cygpath -w '$POSIX_BINDIR'\`"}\\
  82     GROFF_RUNTIME=\`cygpath "\$GROFF_BIN_PATH"\`":" ;;\\
  83   *)\\
  84     GROFF_RUNTIME=\${GROFF_BIN_PATH="$POSIX_BINDIR"}";" ;;\\
  85 esac
  86 ETX
  87   # On Microsoft platforms, we may also need to configure
  88   # the PATH search function, used in the `pdfroff' script,
  89   # to use ';', instead of ':', as the PATH_SEPARATOR.
  90
  91   cat << ETX
  92 /@PATH_SEARCH_SETUP@/c\\
  93 #\\
  94 # This implementation is configured for a Microsoft platform.\\
  95 # Thus, the default PATH_SEPARATOR is ';', although some shells may\\
  96 # use the POSIX standard ':' instead.  Therefore, we need to examine\\
  97 # the OSTYPE environment variable, to identify which is appropriate\\
  98 # to make PATH searches work correctly.\\
  99 #\\
 100   case "\$OSTYPE" in\\
 101 #\\
 102     msys | cygwin)\\
 103     #\\
 104     # These emulate POSIX, and use ':'\\
 105     #\\
 106       PATH_SEPARATOR=\${PATH_SEPARATOR-':'} ;;\\
 107 #\\
 108     *)\\
 109     #\\
 110     # For anything else, default to ';'\\
 111     #\\
 112       PATH_SEPARATOR=\${PATH_SEPARATOR-';'} ;;\\
 113   esac
 114 ETX
 115
 116 fi
 117
 118 # eof