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#!/bin/sh
#
# Copyright (C) 1992-2016, 2021 Free Software Foundation, Inc.
#
# This file is part of DejaGnu.
#
# DejaGnu 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.
#
# DejaGnu 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 DejaGnu; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
# This script was written by Rob Savoye. The script finds the proper
# expect shell and then starts DejaGnu.
# shellcheck disable=SC2003
# The shellcheck tool complains about use of expr and recommends using
# newer shell features instead. Solaris 10 /bin/sh does not support the
# newer features, so we must use expr in this script.
# shellcheck disable=SC2006
# The shellcheck tool complains about the old style backtick command
# substitution. Solaris 10 /bin/sh does not support the new style $()
# command substitution and the usage of command substitution in this script
# is simple enough to work. Most notably, nesting backtick command
# substitution is tricky, but we do not do that.
# Get the execution path to this script and the current directory.
mypath=${0-.}
if expr "$mypath" : '.*/.*' > /dev/null
then
:
else
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH
do
test -z "$dir" && dir=.
if test -x "$dir/$mypath"
then
mypath="$dir/$mypath"
break
fi
done
IFS="$save_ifs"
fi
execpath=`echo "$mypath" | sed -e 's@/[^/]*$@@'`
# Get the name by which runtest was invoked and extract the config
# triplet.
runtest=`echo "$mypath" | sed -e 's@^.*/@@'`
target=`echo "$runtest" | sed -e 's/-runtest$//'`
if [ "$target" != runtest ] ; then
target="--target ${target}"
else
target=""
fi
# Find the right expect binary to use. If a variable EXPECT exists, it
# takes precedence over all other tests. Otherwise look for a freshly
# built one, and then use one in the path.
if [ -n "$EXPECT" ] ; then
expectbin="$EXPECT"
else
if [ -x "$execpath/expect" ] ; then
expectbin="$execpath/expect"
else
expectbin=expect
fi
fi
# Just to be safe ..
if [ -z "$expectbin" ]; then
echo "ERROR: No expect shell found"
exit 1
fi
# This wrapper script will set up run-time library search PATHs.
if [ -x "$expectbin-bld.sh" ]; then
expectbin="${CONFIG_SHELL-/bin/sh} $expectbin-bld.sh"
fi
# Extract a few options from the option list.
verbose=0
debug=""
for a in "$@" ; do
case $a in
-v|--v|-verb*|--verb*) verbose=`expr $verbose + 1` ;;
-D0|--D0) debug="-D 0" ;;
-D1|--D1) debug="-D 1" ;;
esac
done
if expr "$verbose" \> 0 > /dev/null ; then
echo Expect binary is "$expectbin"
fi
# Find runtest.exp. First we look in its installed location,
# otherwise start if from the source tree.
#
# runtest.exp is found in @datadir@ (set by configure), but $execpath
# is @bindir@. We're assuming that:
#
# @datadir@ == @bindir@/../share
# or
# @datadir@ == @bindir@/../../share
#
# .. which is a very weak assumption
bindir1up_check=`echo "$execpath" | sed -e 's@/[^/]*$@/share/dejagnu@'`
bindir2up_check=`echo "$execpath" | sed -e 's@/[^/]*/[^/]*$@/share/dejagnu@'`
for i in \
"${bindir1up_check}" "${bindir2up_check}" "$execpath" \
/usr/share/dejagnu \
/usr/local/share/dejagnu ; do
if expr "$verbose" \> 1 > /dev/null ; then
echo Looking for "$i"/runtest.exp.
fi
if [ -f "$i/runtest.exp" ] ; then
runpath="$i"
if expr "$verbose" \> 0 > /dev/null ; then
echo Using "$i"/runtest.exp as main test driver
fi
break
fi
done
# Check for an environment variable.
if [ -n "$DEJAGNULIBS" ] ; then
runpath="$DEJAGNULIBS"
if expr "$verbose" \> 0 > /dev/null ; then
echo Using "$DEJAGNULIBS"/runtest.exp as main test driver
fi
fi
if [ -z "$runpath" ] ; then
echo "ERROR: runtest.exp does not exist"
exit 1
fi
if command -v "$expectbin" > /dev/null ; then :; else
echo "ERROR: unable to find expect in the PATH"
exit 1
fi
# The `debug' and `target' variables are _intended_ to contain zero or two
# words each. Word splitting is desired here.
# shellcheck disable=SC2086
exec "$expectbin" $debug -- "$runpath"/runtest.exp $target ${1+"$@"}
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