424 lines
12 KiB
Bash
Executable File
424 lines
12 KiB
Bash
Executable File
#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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# Copyright 1999, 2000 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
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if test -z "$depmode" || test -z "$source" || test -z "$object"; then
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echo "depcomp: Variables source, object and depmode must be set" 1>&2
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exit 1
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fi
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# `libtool' can also be set to `yes' or `no'.
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if test -z "$depfile"; then
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base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
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dir=`echo "$object" | sed 's,/.*$,/,'`
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if test "$dir" = "$object"; then
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dir=
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fi
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# FIXME: should be _deps on DOS.
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depfile="$dir.deps/$base"
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fi
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tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
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rm -f "$tmpdepfile"
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# Some modes work just like other modes, but use different flags. We
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# parameterize here, but still list the modes in the big case below,
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# to make depend.m4 easier to write. Note that we *cannot* use a case
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# here, because this file can only contain one case statement.
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if test "$depmode" = hp; then
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# HP compiler uses -M and no extra arg.
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gccflag=-M
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depmode=gcc
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fi
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if test "$depmode" = dashXmstdout; then
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# This is just like dashmstdout with a different argument.
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dashmflag=-xM
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depmode=dashmstdout
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fi
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case "$depmode" in
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gcc3)
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## gcc 3 implements dependency tracking that does exactly what
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## we want. Yay! Note: for some reason libtool 1.4 doesn't like
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## it if -MD -MP comes after the -MF stuff. Hmm.
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"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile"
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exit $stat
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fi
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mv "$tmpdepfile" "$depfile"
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;;
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gcc)
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## There are various ways to get dependency output from gcc. Here's
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## why we pick this rather obscure method:
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## - Don't want to use -MD because we'd like the dependencies to end
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## up in a subdir. Having to rename by hand is ugly.
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## (We might end up doing this anyway to support other compilers.)
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## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
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## -MM, not -M (despite what the docs say).
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## - Using -M directly means running the compiler twice (even worse
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## than renaming).
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if test -z "$gccflag"; then
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gccflag=-MD,
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fi
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"$@" -Wp,"$gccflag$tmpdepfile"
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile"
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exit $stat
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fi
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rm -f "$depfile"
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echo "$object : \\" > "$depfile"
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alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
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## The second -e expression handles DOS-style file names with drive letters.
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sed -e 's/^[^:]*: / /' \
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-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
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## This next piece of magic avoids the `deleted header file' problem.
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## The problem is that when a header file which appears in a .P file
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## is deleted, the dependency causes make to die (because there is
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## typically no way to rebuild the header). We avoid this by adding
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## dummy dependencies for each header file. Too bad gcc doesn't do
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## this for us directly.
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tr ' ' '
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' < "$tmpdepfile" |
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## Some versions of gcc put a space before the `:'. On the theory
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## that the space means something, we add a space to the output as
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## well.
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly. Breaking it into two sed invocations is a workaround.
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sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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hp)
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# This case exists only to let depend.m4 do its work. It works by
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# looking at the text of this script. This case will never be run,
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# since it is checked for above.
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exit 1
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;;
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sgi)
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if test "$libtool" = yes; then
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"$@" "-Wp,-MDupdate,$tmpdepfile"
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else
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"$@" -MDupdate "$tmpdepfile"
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fi
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile"
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exit $stat
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fi
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rm -f "$depfile"
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if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
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echo "$object : \\" > "$depfile"
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# Clip off the initial element (the dependent). Don't try to be
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# clever and replace this with sed code, as IRIX sed won't handle
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# lines with more than a fixed number of characters (4096 in
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# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
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# the IRIX cc adds comments like `#:fec' to the end of the
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# dependency line.
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tr ' ' '
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' < "$tmpdepfile" \
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
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tr '
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' ' ' >> $depfile
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echo >> $depfile
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# The second pass generates a dummy entry for each header file.
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tr ' ' '
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' < "$tmpdepfile" \
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
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>> $depfile
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else
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# The sourcefile does not contain any dependencies, so just
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# store a dummy comment line, to avoid errors with the Makefile
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# "include basename.Plo" scheme.
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echo "#dummy" > "$depfile"
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fi
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rm -f "$tmpdepfile"
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;;
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aix)
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# The C for AIX Compiler uses -M and outputs the dependencies
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# in a .u file. This file always lives in the current directory.
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# Also, the AIX compiler puts `$object:' at the start of each line;
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# $object doesn't have directory information.
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stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
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tmpdepfile="$stripped.u"
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outname="$stripped.o"
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if test "$libtool" = yes; then
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"$@" -Wc,-M
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else
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"$@" -M
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fi
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile"
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exit $stat
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fi
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if test -f "$tmpdepfile"; then
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# Each line is of the form `foo.o: dependent.h'.
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# Do two passes, one to just change these to
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# `$object: dependent.h' and one to simply `dependent.h:'.
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sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
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sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
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else
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# The sourcefile does not contain any dependencies, so just
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# store a dummy comment line, to avoid errors with the Makefile
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# "include basename.Plo" scheme.
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echo "#dummy" > "$depfile"
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fi
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rm -f "$tmpdepfile"
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;;
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tru64)
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# The Tru64 compiler uses -MD to generate dependencies as a side
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# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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# dependencies in `foo.d' instead, so we check for that too.
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# Subdirectories are respected.
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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if test "$libtool" = yes; then
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tmpdepfile1="$dir.libs/$base.lo.d"
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tmpdepfile2="$dir.libs/$base.d"
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"$@" -Wc,-MD
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else
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tmpdepfile1="$dir$base.o.d"
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tmpdepfile2="$dir$base.d"
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"$@" -MD
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fi
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile1" "$tmpdepfile2"
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exit $stat
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fi
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if test -f "$tmpdepfile1"; then
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tmpdepfile="$tmpdepfile1"
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else
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tmpdepfile="$tmpdepfile2"
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fi
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if test -f "$tmpdepfile"; then
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sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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# That's a space and a tab in the [].
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sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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else
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echo "#dummy" > "$depfile"
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fi
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rm -f "$tmpdepfile"
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;;
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#nosideeffect)
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# This comment above is used by automake to tell side-effect
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# dependency tracking mechanisms from slower ones.
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dashmstdout)
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# Important note: in order to support this mode, a compiler *must*
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# always write the proprocessed file to stdout, regardless of -o.
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"$@" || exit $?
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# Remove the call to Libtool.
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if test "$libtool" = yes; then
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while test $1 != '--mode=compile'; do
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shift
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done
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shift
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fi
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# Remove `-o $object'. We will use -o /dev/null later,
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# however we can't do the remplacement now because
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# `-o $object' might simply not be used
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IFS=" "
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for arg
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do
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case $arg in
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-o)
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shift
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;;
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$object)
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shift
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;;
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*)
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set fnord "$@" "$arg"
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shift # fnord
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shift # $arg
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;;
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esac
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done
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test -z "$dashmflag" && dashmflag=-M
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"$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
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rm -f "$depfile"
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cat < "$tmpdepfile" > "$depfile"
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tr ' ' '
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' < "$tmpdepfile" | \
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly. Breaking it into two sed invocations is a workaround.
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sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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dashXmstdout)
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# This case only exists to satisfy depend.m4. It is never actually
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# run, as this mode is specially recognized in the preamble.
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exit 1
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;;
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makedepend)
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"$@" || exit $?
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# X makedepend
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shift
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cleared=no
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for arg in "$@"; do
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case $cleared in
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no)
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set ""; shift
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cleared=yes ;;
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esac
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case "$arg" in
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-D*|-I*)
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set fnord "$@" "$arg"; shift ;;
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-*)
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;;
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*)
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set fnord "$@" "$arg"; shift ;;
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esac
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done
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obj_suffix="`echo $object | sed 's/^.*\././'`"
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touch "$tmpdepfile"
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${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
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rm -f "$depfile"
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cat < "$tmpdepfile" > "$depfile"
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sed '1,2d' "$tmpdepfile" | tr ' ' '
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' | \
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly. Breaking it into two sed invocations is a workaround.
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sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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rm -f "$tmpdepfile" "$tmpdepfile".bak
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;;
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cpp)
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# Important note: in order to support this mode, a compiler *must*
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# always write the proprocessed file to stdout.
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"$@" || exit $?
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# Remove the call to Libtool.
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if test "$libtool" = yes; then
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while test $1 != '--mode=compile'; do
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shift
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done
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shift
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fi
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# Remove `-o $object'.
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IFS=" "
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for arg
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do
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case $arg in
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-o)
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shift
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;;
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$object)
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shift
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;;
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*)
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set fnord "$@" "$arg"
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shift # fnord
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shift # $arg
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;;
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esac
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done
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"$@" -E |
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sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
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sed '$ s: \\$::' > "$tmpdepfile"
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rm -f "$depfile"
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echo "$object : \\" > "$depfile"
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cat < "$tmpdepfile" >> "$depfile"
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sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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msvisualcpp)
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# Important note: in order to support this mode, a compiler *must*
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# always write the proprocessed file to stdout, regardless of -o,
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# because we must use -o when running libtool.
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"$@" || exit $?
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IFS=" "
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for arg
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do
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case "$arg" in
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"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
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set fnord "$@"
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shift
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shift
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;;
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*)
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set fnord "$@" "$arg"
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shift
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shift
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;;
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esac
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done
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"$@" -E |
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sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
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rm -f "$depfile"
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echo "$object : \\" > "$depfile"
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. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
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echo " " >> "$depfile"
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. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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none)
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exec "$@"
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;;
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*)
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echo "Unknown depmode $depmode" 1>&2
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exit 1
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;;
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esac
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exit 0
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