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#! /bin/sh
# shdeps.sh: Generate OS dependency fixups, for 'groff' shell scripts
#
# Copyright (C) 2004-2020 Free Software Foundation, Inc.
# Written by Keith Marshall (keith.d.marshall@ntlworld.com)
#
# Invoked only by 'make', as:
# $(SHELL) shdeps.sh "$(RT_SEP)" "$(SH_SEP)" "$(bindir)" > shdeps.sed
#
# This file is part of groff.
#
# groff 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 3 of the License, or
# (at your option) any later version.
#
# groff 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, see <http://www.gnu.org/licenses/>.
cat << ETX
# shdeps.sed: Script generated automatically by 'make' -- do not modify!
/^$/N
/@GROFF_BIN_PATH_SETUP@/c\\
ETX
if [ "$1$2" = "::" ]
then
# 'PATH_SEPARATOR' is ':' both at 'groff' run time, and in 'make',
# implying an implementation which is completely POSIX compliant.
# Simply apply the 'GROFF_BIN_PATH' and 'PATH_SEPARATOR' values
# determined by 'configure', in all cases.
cat << ETX
\\
GROFF_RUNTIME="\${GROFF_BIN_PATH=$3}:"
/@PATH_SEARCH_SETUP@/d
ETX
else
# 'PATH_SEPARATOR' is NOT always ':',
# which suggests an implementation for a Microsoft platform.
# We need to choose the 'GROFF_BIN_PATH' format and 'PATH_SEPARATOR'
# which will suit the user's choice of shell.
#
# Note that some Windows users may specify the '--prefix' path
# using backslash characters, instead of '/', preferred by POSIX,
# so we will also fix that up.
POSIX_BINDIR=`echo $3 | tr '\\\\' /`
cat << ETX
# (The value required is dependent on the user's choice of shell,\\
# and its associated POSIX emulation capabilities.)\\
\\
case "\$OSTYPE" in\\
msys)\\
GROFF_RUNTIME=\${GROFF_BIN_PATH="`
case "$POSIX_BINDIR" in
[a-zA-Z]:*)
IFS=':'
set -- $POSIX_BINDIR
case "$2" in
/*) POSIX_BINDIR="/$1$2" ;;
*) POSIX_BINDIR="/$1/$2" ;;
esac
shift 2
for dir
do
POSIX_BINDIR="$POSIX_BINDIR:$dir"
done
;;
esac
echo "$POSIX_BINDIR"`"}":" ;;\\
cygwin)\\
: \${GROFF_BIN_PATH="\`cygpath -w '$POSIX_BINDIR'\`"}\\
GROFF_RUNTIME=\`cygpath "\$GROFF_BIN_PATH"\`":" ;;\\
*)\\
GROFF_RUNTIME=\${GROFF_BIN_PATH="$POSIX_BINDIR"}";" ;;\\
esac
ETX
# On Microsoft platforms, we may also need to configure
# the PATH search function, used in the `pdfroff' script,
# to use ';', instead of ':', as the PATH_SEPARATOR.
cat << ETX
/@PATH_SEARCH_SETUP@/c\\
#\\
# This implementation is configured for a Microsoft platform.\\
# Thus, the default PATH_SEPARATOR is ';', although some shells may\\
# use the POSIX standard ':' instead. Therefore, we need to examine\\
# the OSTYPE environment variable, to identify which is appropriate\\
# to make PATH searches work correctly.\\
#\\
case "\$OSTYPE" in\\
#\\
msys | cygwin)\\
#\\
# These emulate POSIX, and use ':'\\
#\\
PATH_SEPARATOR=\${PATH_SEPARATOR-':'} ;;\\
#\\
*)\\
#\\
# For anything else, default to ';'\\
#\\
PATH_SEPARATOR=\${PATH_SEPARATOR-';'} ;;\\
esac
ETX
fi
# eof
|
