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flightgear/Main/runfg.in

104 lines
3 KiB
Perl
Executable file

#!/usr/bin/perl
#
# runfg -- front end for setting up the FG_ROOT env variable and launching
# the fg executable.
#
# Written by Curtis Olson, started September 1997.
#
# Copyright (C) 1997 - 1998 Curtis L. Olson - curt@me.umn.edu
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# $Id$
# (Log is kept at end of this file)
#---------------------------------------------------------------------------
$prefix = "@prefix@";
# print "-> $prefix\n";
# potential names of Flight Gear executable to try
@files = ( "fg", "fg.exe" );
# potential paths where the executable may be found
@paths = ( ".", "Simulator/Main", $prefix );
# search for the executable
$savepath = "";
$savefile = "";
foreach $path (@paths) {
foreach $file (@files) {
# print "'$savepath'\n";
if ( $savepath eq "" ) {
# don't search again if we've already found one
# print "checking $path" . "bin/$file and $path" . "$file\n";
if ( -x "$path/bin/$file" ) {
$savepath = "$path/bin";
$savefile = "$file";
} elsif ( -x "$path/$file" ) {
$savepath = "$path";
$savefile = "$file";
}
} else {
# print "skipping $path/bin/$file and $path/$file\n";
}
}
}
die "Cannot locate program.\n" if ( $savepath eq "" );
# set the FG_ROOT environment variable if it hasn't already been set.
if ( $ENV{FG_ROOT} eq "" ) {
$ENV{FG_ROOT} = $prefix;
}
# set the LD_LIBRARY_PATH environment variable if running the
# installed version
if ( $savepath eq "@prefix@/bin" ) {
print "(installed version)\n";
if ( $ENV{LD_LIBRARY_PATH} eq "" ) {
$ENV{LD_LIBRARY_PATH} = "$prefix/lib";
} else {
$ENV{LD_LIBRARY_PATH} = "$prefix/lib:$ENV{LD_LIBRARY_PATH}";
}
} else {
print "(development version)\n";
}
# run Flight Gear
print "Running $savepath/$savefile @ARGV\n";
exec("$savepath/$savefile @ARGV");
#---------------------------------------------------------------------------
# $Log$
# Revision 1.1 1998/04/09 01:45:31 curt
# Moved to Main/ and incorperated with automake
#
# Revision 1.4 1998/03/09 22:52:38 curt
# Mod's to better support win32 if perl exists.
#
# Revision 1.3 1998/02/16 16:17:34 curt
# Minor tweaks.
#
# Revision 1.2 1998/01/27 00:47:43 curt
# Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
# system and commandline/config file processing code.
#
# Revision 1.1 1997/10/28 18:47:27 curt
# Initial revision.
#