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gcc.gnu.org Git - gcc.git/blob - install-sh
3 # install - install a program, script, or datafile
4 # This comes from X11R5 (mit/util/scripts/install.sh).
6 # Copyright 1991 by the Massachusetts Institute of Technology
8 # Permission to use, copy, modify, distribute, and sell this software and its
9 # documentation for any purpose is hereby granted without fee, provided that
10 # the above copyright notice appear in all copies and that both that
11 # copyright notice and this permission notice appear in supporting
12 # documentation, and that the name of M.I.T. not be used in advertising or
13 # publicity pertaining to distribution of the software without specific,
14 # written prior permission. M.I.T. makes no representations about the
15 # suitability of this software for any purpose. It is provided "as is"
16 # without express or implied warranty.
18 # Calling this script install-sh is preferred over install.sh, to prevent
19 # `make' implicit rules from creating a file called install from it
20 # when there is no Makefile.
22 # This script is compatible with the BSD install script, but was written
23 # from scratch. It can only install one file at a time, a restriction
24 # shared with many OS's install programs.
27 # set DOITPROG to echo to test this script
29 # Don't use :- since 4.3BSD and earlier shells don't like it.
33 # put in absolute paths if you don't have them in your path; or use env. vars.
37 chmodprog
="${CHMODPROG-chmod}"
38 chownprog
="${CHOWNPROG-chown}"
39 chgrpprog
="${CHGRPPROG-chgrp}"
40 stripprog
="${STRIPPROG-strip}"
42 mkdirprog
="${MKDIRPROG-mkdir}"
47 chmodcmd
="$chmodprog 0755"
56 # CYGNUS LOCAL: exeext variable
60 while [ x
"$1" != x
]; do
70 -m) chmodcmd
="$chmodprog $2"
75 -o) chowncmd
="$chownprog $2"
80 -g) chgrpcmd
="$chgrpprog $2"
85 -s) stripcmd
="$stripprog"
89 -t=*) transformarg
=`echo $1 | sed 's/-t=//'`
93 -b=*) transformbasename
=`echo $1 | sed 's/-b=//'`
97 # CYGNUS LOCAL: -x option
98 -x=*) exeext
=`echo $1 | sed 's/-x=//'`
107 *) if [ x
"$src" = x
]
111 # this colon is to work around a 386BSD /bin/sh bug
122 echo "install: no input file specified"
128 if [ x
"$dir_arg" != x
]; then
141 # Win32-based gcc automatically appends .exe to produced executables,
142 # whether asked for or not. This breaks installs. The following
143 # changes the value of $src to $src.exe if $src is missing
150 echo "install: $src does not exist, trying with .exe appended"
154 # end CYGNUS LOCAL noer
156 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
157 # might cause directories to be created, which would be especially bad
158 # if $src (and thus $dsttmp) contains '*'.
160 if [ -f $src -o -d $src ]
164 echo "install: $src does not exist"
170 echo "install: no destination specified"
176 # If destination is a directory, append the input filename; if your system
177 # does not like double slashes in filenames, you may need to add some logic
181 dst
="$dst"/`basename $src`
186 # CYGNUS LOCAL: Use exeext
187 case "`basename $dst`" in
189 *) dst
="$dst$exeext" ;;
194 ## this sed command emulates the dirname command
195 dstdir
=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
197 # Make sure that the destination directory exists.
198 # this part is taken from Noah Friedman's mkinstalldirs script
200 # Skip lots of stat calls in the usual case.
201 if [ ! -d "$dstdir" ]; then
204 IFS
="${IFS-${defaultIFS}}"
207 # Some sh's can't handle IFS=/ for some reason.
209 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
214 while [ $# -ne 0 ] ; do
215 pathcomp
="${pathcomp}${1}"
218 if [ ! -d "${pathcomp}" ] ;
220 $mkdirprog "${pathcomp}"
225 pathcomp
="${pathcomp}/"
229 if [ x
"$dir_arg" != x
]
231 $doit $instcmd $dst &&
233 if [ x
"$chowncmd" != x
]; then $doit $chowncmd $dst; else true
; fi &&
234 if [ x
"$chgrpcmd" != x
]; then $doit $chgrpcmd $dst; else true
; fi &&
235 if [ x
"$stripcmd" != x
]; then $doit $stripcmd $dst; else true
; fi &&
236 if [ x
"$chmodcmd" != x
]; then $doit $chmodcmd $dst; else true
; fi
239 # If we're going to rename the final executable, determine the name now.
241 if [ x
"$transformarg" = x
]
243 dstfile
=`basename $dst`
245 dstfile
=`basename $dst $transformbasename |
246 sed $transformarg`$transformbasename
249 # don't allow the sed command to completely eliminate the filename
251 if [ x
"$dstfile" = x
]
253 dstfile
=`basename $dst`
258 # Make a temp file name in the proper directory.
260 dsttmp
=$dstdir/#inst.$$#
262 # Move or copy the file name to the temp name
264 $doit $instcmd $src $dsttmp &&
266 trap "rm -f ${dsttmp}" 0 &&
268 # and set any options; do chmod last to preserve setuid bits
270 # If any of these fail, we abort the whole thing. If we want to
271 # ignore errors from any of these, just make sure not to ignore
272 # errors from the above "$doit $instcmd $src $dsttmp" command.
274 if [ x
"$chowncmd" != x
]; then $doit $chowncmd $dsttmp; else true
;fi &&
275 if [ x
"$chgrpcmd" != x
]; then $doit $chgrpcmd $dsttmp; else true
;fi &&
276 if [ x
"$stripcmd" != x
]; then $doit $stripcmd $dsttmp; else true
;fi &&
277 if [ x
"$chmodcmd" != x
]; then $doit $chmodcmd $dsttmp; else true
;fi &&
279 # Now rename the file to the real destination.
281 $doit $rmcmd -f $dstdir/$dstfile &&
282 $doit $mvcmd $dsttmp $dstdir/$dstfile
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