* mips.h (M_ABSU): Removed (absolute value of unsigned number??).

[deliverable/binutils-gdb.git] / install.sh

#!/bin/sh
set -e

#
# install - install a program, script, or datafile
# This comes from X11R5; it is not part of GNU.
#
# $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
#
# This script is compatible with the BSD install script, but was written
# from scratch.
#


# set DOITPROG to echo to test this script

# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"


# put in absolute paths if you don't have them in your path; or use env. vars.

mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"

tranformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd=""
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""

while [ x"$1" != x ]; do
    case $1 in
	-c) instcmd="$cpprog"
	    shift
	    continue;;

	-m) chmodcmd="$chmodprog $2"
	    shift
	    shift
	    continue;;

	-o) chowncmd="$chownprog $2"
	    shift
	    shift
	    continue;;

	-g) chgrpcmd="$chgrpprog $2"
	    shift
	    shift
	    continue;;

	-s) stripcmd="$stripprog"
	    shift
	    continue;;

	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
	    shift
	    continue;;

	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
	    shift
	    continue;;

	*)  if [ x"$src" = x ]
	    then
		src=$1
	    else
		# this colon is to work around a 386BSD /bin/sh bug
		:
		dst=$1
	    fi
	    shift
	    continue;;
    esac
done

if [ x"$src" = x ]
then
	echo "install:	no input file specified"
	exit 1
else
	true
fi

# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
# might cause directories to be created, which would be especially bad 
# if $src (and thus $dsttmp) contains '*'.

if [ -f $src -o -d $src ]
then
	true
else
	echo "install:  $src does not exist"
	exit 1
fi

if [ x"$dst" = x ]
then
	echo "install:	no destination specified"
	exit 1
else
	true
fi

# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic

if [ -d $dst ]
then
	dst="$dst"/`basename $src`
else
	true
fi


# Make a temp file name in the proper directory.

## this sed command emulates the dirname command
dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
dsttmp=$dstdir/#inst.$$#

# Make sure that the destination directory exists.
#  this part is taken from Noah Friedman's mkinstalldirs script

defaultIFS='	
'
IFS="${IFS-${defaultIFS}}"

oIFS="${IFS}"
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS="${oIFS}"

pathcomp=''

while [ $# -ne 0 ] ; do
	pathcomp="${pathcomp}${1}"
	shift

	if [ ! -d "${pathcomp}" ] ;
        then
		$mkdirprog "${pathcomp}"
	else
		true
	fi

	pathcomp="${pathcomp}/"
done

# If we're going to rename the final executable, determine the name now.

if [ x"$transformarg" = x ] 
then
	dstfile=`basename $dst`
else
	dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename
fi

# don't allow the sed command to completely eliminate the filename

if [ x"$dstfile" = x ] 
then
	dstfile=`basename $dst`
else
	true
fi

# Move or copy the file name to the temp name

$doit $instcmd $src $dsttmp &&

trap "rm -f ${dsttmp}" 0 &&

# and set any options; do chmod last to preserve setuid bits

# If any of these fail, we abort the whole thing.  If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.

if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true ; fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true ; fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true ; fi &&

# Now rename the file to the real destination.

$doit $rmcmd -f $dstdir/$dstfile &&
$doit $mvcmd $dsttmp $dstdir/$dstfile &&


exit 0