| 1 | #! /bin/sh |
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| 2 | # depcomp - compile a program generating dependencies as side-effects |
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| 3 | |
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| 4 | scriptversion=2003-11-08.23 |
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| 5 | |
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| 6 | # Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc. |
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| 7 | |
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| 8 | # This program is free software; you can redistribute it and/or modify |
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| 9 | # it under the terms of the GNU General Public License as published by |
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| 10 | # the Free Software Foundation; either version 2, or (at your option) |
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| 11 | # any later version. |
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| 12 | |
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| 13 | # This program is distributed in the hope that it will be useful, |
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| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | # GNU General Public License for more details. |
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| 17 | |
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| 18 | # You should have received a copy of the GNU General Public License |
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| 19 | # along with this program; if not, write to the Free Software |
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| 20 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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| 21 | # 02111-1307, USA. |
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| 22 | |
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| 23 | # As a special exception to the GNU General Public License, if you |
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| 24 | # distribute this file as part of a program that contains a |
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| 25 | # configuration script generated by Autoconf, you may include it under |
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| 26 | # the same distribution terms that you use for the rest of that program. |
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| 27 | |
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| 28 | # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. |
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| 29 | |
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| 30 | case $1 in |
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| 31 | '') |
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| 32 | echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
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| 33 | exit 1; |
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| 34 | ;; |
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| 35 | -h | --h*) |
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| 36 | cat <<\EOF |
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| 37 | Usage: depcomp [--help] [--version] PROGRAM [ARGS] |
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| 38 | |
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| 39 | Run PROGRAMS ARGS to compile a file, generating dependencies |
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| 40 | as side-effects. |
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| 41 | |
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| 42 | Environment variables: |
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| 43 | depmode Dependency tracking mode. |
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| 44 | source Source file read by `PROGRAMS ARGS'. |
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| 45 | object Object file output by `PROGRAMS ARGS'. |
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| 46 | depfile Dependency file to output. |
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| 47 | tmpdepfile Temporary file to use when outputing dependencies. |
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| 48 | libtool Whether libtool is used (yes/no). |
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| 49 | |
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| 50 | Report bugs to <bug-automake@gnu.org>. |
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| 51 | EOF |
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| 52 | exit 0 |
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| 53 | ;; |
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| 54 | -v | --v*) |
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| 55 | echo "depcomp $scriptversion" |
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| 56 | exit 0 |
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| 57 | ;; |
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| 58 | esac |
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| 59 | |
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| 60 | if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
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| 61 | echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
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| 62 | exit 1 |
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| 63 | fi |
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| 64 | # `libtool' can also be set to `yes' or `no'. |
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| 65 | |
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| 66 | if test -z "$depfile"; then |
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| 67 | base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` |
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| 68 | dir=`echo "$object" | sed 's,/.*$,/,'` |
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| 69 | if test "$dir" = "$object"; then |
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| 70 | dir= |
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| 71 | fi |
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| 72 | # FIXME: should be _deps on DOS. |
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| 73 | depfile="$dir.deps/$base" |
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| 74 | fi |
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| 75 | |
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| 76 | tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} |
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| 77 | |
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| 78 | rm -f "$tmpdepfile" |
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| 79 | |
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| 80 | # Some modes work just like other modes, but use different flags. We |
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| 81 | # parameterize here, but still list the modes in the big case below, |
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| 82 | # to make depend.m4 easier to write. Note that we *cannot* use a case |
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| 83 | # here, because this file can only contain one case statement. |
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| 84 | if test "$depmode" = hp; then |
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| 85 | # HP compiler uses -M and no extra arg. |
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| 86 | gccflag=-M |
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| 87 | depmode=gcc |
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| 88 | fi |
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| 89 | |
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| 90 | if test "$depmode" = dashXmstdout; then |
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| 91 | # This is just like dashmstdout with a different argument. |
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| 92 | dashmflag=-xM |
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| 93 | depmode=dashmstdout |
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| 94 | fi |
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| 95 | |
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| 96 | case "$depmode" in |
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| 97 | gcc3) |
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| 98 | ## gcc 3 implements dependency tracking that does exactly what |
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| 99 | ## we want. Yay! Note: for some reason libtool 1.4 doesn't like |
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| 100 | ## it if -MD -MP comes after the -MF stuff. Hmm. |
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| 101 | "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" |
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| 102 | stat=$? |
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| 103 | if test $stat -eq 0; then : |
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| 104 | else |
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| 105 | rm -f "$tmpdepfile" |
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| 106 | exit $stat |
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| 107 | fi |
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| 108 | mv "$tmpdepfile" "$depfile" |
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| 109 | ;; |
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| 110 | |
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| 111 | gcc) |
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| 112 | ## There are various ways to get dependency output from gcc. Here's |
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| 113 | ## why we pick this rather obscure method: |
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| 114 | ## - Don't want to use -MD because we'd like the dependencies to end |
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| 115 | ## up in a subdir. Having to rename by hand is ugly. |
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| 116 | ## (We might end up doing this anyway to support other compilers.) |
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| 117 | ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like |
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| 118 | ## -MM, not -M (despite what the docs say). |
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| 119 | ## - Using -M directly means running the compiler twice (even worse |
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| 120 | ## than renaming). |
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| 121 | if test -z "$gccflag"; then |
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| 122 | gccflag=-MD, |
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| 123 | fi |
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| 124 | "$@" -Wp,"$gccflag$tmpdepfile" |
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| 125 | stat=$? |
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| 126 | if test $stat -eq 0; then : |
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| 127 | else |
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| 128 | rm -f "$tmpdepfile" |
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| 129 | exit $stat |
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| 130 | fi |
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| 131 | rm -f "$depfile" |
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| 132 | echo "$object : \\" > "$depfile" |
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| 133 | alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz |
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| 134 | ## The second -e expression handles DOS-style file names with drive letters. |
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| 135 | sed -e 's/^[^:]*: / /' \ |
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| 136 | -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" |
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| 137 | ## This next piece of magic avoids the `deleted header file' problem. |
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| 138 | ## The problem is that when a header file which appears in a .P file |
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| 139 | ## is deleted, the dependency causes make to die (because there is |
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| 140 | ## typically no way to rebuild the header). We avoid this by adding |
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| 141 | ## dummy dependencies for each header file. Too bad gcc doesn't do |
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| 142 | ## this for us directly. |
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| 143 | tr ' ' ' |
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| 144 | ' < "$tmpdepfile" | |
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| 145 | ## Some versions of gcc put a space before the `:'. On the theory |
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| 146 | ## that the space means something, we add a space to the output as |
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| 147 | ## well. |
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| 148 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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| 149 | ## correctly. Breaking it into two sed invocations is a workaround. |
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| 150 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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| 151 | rm -f "$tmpdepfile" |
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| 152 | ;; |
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| 153 | |
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| 154 | hp) |
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| 155 | # This case exists only to let depend.m4 do its work. It works by |
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| 156 | # looking at the text of this script. This case will never be run, |
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| 157 | # since it is checked for above. |
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| 158 | exit 1 |
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| 159 | ;; |
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| 160 | |
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| 161 | sgi) |
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| 162 | if test "$libtool" = yes; then |
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| 163 | "$@" "-Wp,-MDupdate,$tmpdepfile" |
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| 164 | else |
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| 165 | "$@" -MDupdate "$tmpdepfile" |
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| 166 | fi |
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| 167 | stat=$? |
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| 168 | if test $stat -eq 0; then : |
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| 169 | else |
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| 170 | rm -f "$tmpdepfile" |
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| 171 | exit $stat |
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| 172 | fi |
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| 173 | rm -f "$depfile" |
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| 174 | |
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| 175 | if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files |
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| 176 | echo "$object : \\" > "$depfile" |
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| 177 | |
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| 178 | # Clip off the initial element (the dependent). Don't try to be |
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| 179 | # clever and replace this with sed code, as IRIX sed won't handle |
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| 180 | # lines with more than a fixed number of characters (4096 in |
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| 181 | # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
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| 182 | # the IRIX cc adds comments like `#:fec' to the end of the |
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| 183 | # dependency line. |
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| 184 | tr ' ' ' |
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| 185 | ' < "$tmpdepfile" \ |
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| 186 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
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| 187 | tr ' |
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| 188 | ' ' ' >> $depfile |
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| 189 | echo >> $depfile |
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| 190 | |
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| 191 | # The second pass generates a dummy entry for each header file. |
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| 192 | tr ' ' ' |
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| 193 | ' < "$tmpdepfile" \ |
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| 194 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
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| 195 | >> $depfile |
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| 196 | else |
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| 197 | # The sourcefile does not contain any dependencies, so just |
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| 198 | # store a dummy comment line, to avoid errors with the Makefile |
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| 199 | # "include basename.Plo" scheme. |
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| 200 | echo "#dummy" > "$depfile" |
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| 201 | fi |
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| 202 | rm -f "$tmpdepfile" |
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| 203 | ;; |
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| 204 | |
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| 205 | aix) |
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| 206 | # The C for AIX Compiler uses -M and outputs the dependencies |
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| 207 | # in a .u file. In older versions, this file always lives in the |
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| 208 | # current directory. Also, the AIX compiler puts `$object:' at the |
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| 209 | # start of each line; $object doesn't have directory information. |
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| 210 | # Version 6 uses the directory in both cases. |
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| 211 | stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
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| 212 | tmpdepfile="$stripped.u" |
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| 213 | if test "$libtool" = yes; then |
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| 214 | "$@" -Wc,-M |
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| 215 | else |
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| 216 | "$@" -M |
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| 217 | fi |
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| 218 | stat=$? |
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| 219 | |
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| 220 | if test -f "$tmpdepfile"; then : |
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| 221 | else |
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| 222 | stripped=`echo "$stripped" | sed 's,^.*/,,'` |
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| 223 | tmpdepfile="$stripped.u" |
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| 224 | fi |
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| 225 | |
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| 226 | if test $stat -eq 0; then : |
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| 227 | else |
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| 228 | rm -f "$tmpdepfile" |
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| 229 | exit $stat |
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| 230 | fi |
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| 231 | |
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| 232 | if test -f "$tmpdepfile"; then |
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| 233 | outname="$stripped.o" |
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| 234 | # Each line is of the form `foo.o: dependent.h'. |
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| 235 | # Do two passes, one to just change these to |
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| 236 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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| 237 | sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
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| 238 | sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
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| 239 | else |
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| 240 | # The sourcefile does not contain any dependencies, so just |
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| 241 | # store a dummy comment line, to avoid errors with the Makefile |
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| 242 | # "include basename.Plo" scheme. |
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| 243 | echo "#dummy" > "$depfile" |
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| 244 | fi |
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| 245 | rm -f "$tmpdepfile" |
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| 246 | ;; |
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| 247 | |
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| 248 | icc) |
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| 249 | # Intel's C compiler understands `-MD -MF file'. However on |
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| 250 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
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| 251 | # ICC 7.0 will fill foo.d with something like |
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| 252 | # foo.o: sub/foo.c |
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| 253 | # foo.o: sub/foo.h |
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| 254 | # which is wrong. We want: |
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| 255 | # sub/foo.o: sub/foo.c |
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| 256 | # sub/foo.o: sub/foo.h |
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| 257 | # sub/foo.c: |
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| 258 | # sub/foo.h: |
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| 259 | # ICC 7.1 will output |
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| 260 | # foo.o: sub/foo.c sub/foo.h |
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| 261 | # and will wrap long lines using \ : |
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| 262 | # foo.o: sub/foo.c ... \ |
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| 263 | # sub/foo.h ... \ |
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| 264 | # ... |
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| 265 | |
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| 266 | "$@" -MD -MF "$tmpdepfile" |
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| 267 | stat=$? |
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| 268 | if test $stat -eq 0; then : |
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| 269 | else |
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| 270 | rm -f "$tmpdepfile" |
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| 271 | exit $stat |
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| 272 | fi |
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| 273 | rm -f "$depfile" |
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| 274 | # Each line is of the form `foo.o: dependent.h', |
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| 275 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
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| 276 | # Do two passes, one to just change these to |
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| 277 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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| 278 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
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| 279 | # Some versions of the HPUX 10.20 sed can't process this invocation |
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| 280 | # correctly. Breaking it into two sed invocations is a workaround. |
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| 281 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
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| 282 | sed -e 's/$/ :/' >> "$depfile" |
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| 283 | rm -f "$tmpdepfile" |
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| 284 | ;; |
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| 285 | |
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| 286 | tru64) |
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| 287 | # The Tru64 compiler uses -MD to generate dependencies as a side |
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| 288 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
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| 289 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
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| 290 | # dependencies in `foo.d' instead, so we check for that too. |
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| 291 | # Subdirectories are respected. |
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| 292 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
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| 293 | test "x$dir" = "x$object" && dir= |
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| 294 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
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| 295 | |
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| 296 | if test "$libtool" = yes; then |
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| 297 | tmpdepfile1="$dir.libs/$base.lo.d" |
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| 298 | tmpdepfile2="$dir.libs/$base.d" |
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| 299 | "$@" -Wc,-MD |
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| 300 | else |
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| 301 | tmpdepfile1="$dir$base.o.d" |
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| 302 | tmpdepfile2="$dir$base.d" |
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| 303 | "$@" -MD |
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| 304 | fi |
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| 305 | |
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| 306 | stat=$? |
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| 307 | if test $stat -eq 0; then : |
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| 308 | else |
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| 309 | rm -f "$tmpdepfile1" "$tmpdepfile2" |
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| 310 | exit $stat |
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| 311 | fi |
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| 312 | |
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| 313 | if test -f "$tmpdepfile1"; then |
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| 314 | tmpdepfile="$tmpdepfile1" |
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| 315 | else |
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| 316 | tmpdepfile="$tmpdepfile2" |
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| 317 | fi |
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| 318 | if test -f "$tmpdepfile"; then |
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| 319 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
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| 320 | # That's a tab and a space in the []. |
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| 321 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
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| 322 | else |
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| 323 | echo "#dummy" > "$depfile" |
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| 324 | fi |
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| 325 | rm -f "$tmpdepfile" |
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| 326 | ;; |
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| 327 | |
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| 328 | #nosideeffect) |
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| 329 | # This comment above is used by automake to tell side-effect |
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| 330 | # dependency tracking mechanisms from slower ones. |
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| 331 | |
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| 332 | dashmstdout) |
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| 333 | # Important note: in order to support this mode, a compiler *must* |
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| 334 | # always write the preprocessed file to stdout, regardless of -o. |
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| 335 | "$@" || exit $? |
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| 336 | |
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| 337 | # Remove the call to Libtool. |
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| 338 | if test "$libtool" = yes; then |
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| 339 | while test $1 != '--mode=compile'; do |
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| 340 | shift |
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| 341 | done |
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| 342 | shift |
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| 343 | fi |
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| 344 | |
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| 345 | # Remove `-o $object'. |
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| 346 | IFS=" " |
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| 347 | for arg |
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| 348 | do |
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| 349 | case $arg in |
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| 350 | -o) |
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| 351 | shift |
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| 352 | ;; |
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| 353 | $object) |
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| 354 | shift |
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| 355 | ;; |
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| 356 | *) |
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| 357 | set fnord "$@" "$arg" |
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| 358 | shift # fnord |
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| 359 | shift # $arg |
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| 360 | ;; |
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| 361 | esac |
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| 362 | done |
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| 363 | |
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| 364 | test -z "$dashmflag" && dashmflag=-M |
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| 365 | # Require at least two characters before searching for `:' |
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| 366 | # in the target name. This is to cope with DOS-style filenames: |
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| 367 | # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
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| 368 | "$@" $dashmflag | |
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| 369 | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
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| 370 | rm -f "$depfile" |
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| 371 | cat < "$tmpdepfile" > "$depfile" |
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| 372 | tr ' ' ' |
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| 373 | ' < "$tmpdepfile" | \ |
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| 374 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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| 375 | ## correctly. Breaking it into two sed invocations is a workaround. |
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| 376 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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| 377 | rm -f "$tmpdepfile" |
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| 378 | ;; |
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| 379 | |
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| 380 | dashXmstdout) |
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| 381 | # This case only exists to satisfy depend.m4. It is never actually |
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| 382 | # run, as this mode is specially recognized in the preamble. |
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| 383 | exit 1 |
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| 384 | ;; |
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| 385 | |
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| 386 | makedepend) |
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| 387 | "$@" || exit $? |
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| 388 | # Remove any Libtool call |
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| 389 | if test "$libtool" = yes; then |
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| 390 | while test $1 != '--mode=compile'; do |
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| 391 | shift |
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| 392 | done |
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| 393 | shift |
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| 394 | fi |
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| 395 | # X makedepend |
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| 396 | shift |
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| 397 | cleared=no |
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| 398 | for arg in "$@"; do |
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| 399 | case $cleared in |
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| 400 | no) |
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| 401 | set ""; shift |
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| 402 | cleared=yes ;; |
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| 403 | esac |
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| 404 | case "$arg" in |
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| 405 | -D*|-I*) |
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| 406 | set fnord "$@" "$arg"; shift ;; |
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| 407 | # Strip any option that makedepend may not understand. Remove |
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| 408 | # the object too, otherwise makedepend will parse it as a source file. |
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| 409 | -*|$object) |
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| 410 | ;; |
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| 411 | *) |
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| 412 | set fnord "$@" "$arg"; shift ;; |
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| 413 | esac |
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| 414 | done |
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| 415 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
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| 416 | touch "$tmpdepfile" |
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| 417 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
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| 418 | rm -f "$depfile" |
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| 419 | cat < "$tmpdepfile" > "$depfile" |
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| 420 | sed '1,2d' "$tmpdepfile" | tr ' ' ' |
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| 421 | ' | \ |
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| 422 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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| 423 | ## correctly. Breaking it into two sed invocations is a workaround. |
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| 424 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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| 425 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
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| 426 | ;; |
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| 427 | |
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| 428 | cpp) |
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| 429 | # Important note: in order to support this mode, a compiler *must* |
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| 430 | # always write the preprocessed file to stdout. |
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| 431 | "$@" || exit $? |
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| 432 | |
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| 433 | # Remove the call to Libtool. |
|---|
| 434 | if test "$libtool" = yes; then |
|---|
| 435 | while test $1 != '--mode=compile'; do |
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| 436 | shift |
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| 437 | done |
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| 438 | shift |
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| 439 | fi |
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| 440 | |
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| 441 | # Remove `-o $object'. |
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| 442 | IFS=" " |
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| 443 | for arg |
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| 444 | do |
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| 445 | case $arg in |
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| 446 | -o) |
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| 447 | shift |
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| 448 | ;; |
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| 449 | $object) |
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| 450 | shift |
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| 451 | ;; |
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| 452 | *) |
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| 453 | set fnord "$@" "$arg" |
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| 454 | shift # fnord |
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| 455 | shift # $arg |
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| 456 | ;; |
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| 457 | esac |
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| 458 | done |
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| 459 | |
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| 460 | "$@" -E | |
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| 461 | sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
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| 462 | sed '$ s: \\$::' > "$tmpdepfile" |
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| 463 | rm -f "$depfile" |
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| 464 | echo "$object : \\" > "$depfile" |
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| 465 | cat < "$tmpdepfile" >> "$depfile" |
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| 466 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
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| 467 | rm -f "$tmpdepfile" |
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| 468 | ;; |
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| 469 | |
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| 470 | msvisualcpp) |
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| 471 | # Important note: in order to support this mode, a compiler *must* |
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| 472 | # always write the preprocessed file to stdout, regardless of -o, |
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| 473 | # because we must use -o when running libtool. |
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| 474 | "$@" || exit $? |
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| 475 | IFS=" " |
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| 476 | for arg |
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| 477 | do |
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| 478 | case "$arg" in |
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| 479 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
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| 480 | set fnord "$@" |
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| 481 | shift |
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| 482 | shift |
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| 483 | ;; |
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| 484 | *) |
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| 485 | set fnord "$@" "$arg" |
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| 486 | shift |
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| 487 | shift |
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| 488 | ;; |
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| 489 | esac |
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| 490 | done |
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| 491 | "$@" -E | |
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| 492 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
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| 493 | rm -f "$depfile" |
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| 494 | echo "$object : \\" > "$depfile" |
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| 495 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
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| 496 | echo " " >> "$depfile" |
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| 497 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
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| 498 | rm -f "$tmpdepfile" |
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| 499 | ;; |
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| 500 | |
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| 501 | none) |
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| 502 | exec "$@" |
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| 503 | ;; |
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| 504 | |
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| 505 | *) |
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| 506 | echo "Unknown depmode $depmode" 1>&2 |
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| 507 | exit 1 |
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| 508 | ;; |
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| 509 | esac |
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| 510 | |
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| 511 | exit 0 |
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| 512 | |
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| 513 | # Local Variables: |
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| 514 | # mode: shell-script |
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| 515 | # sh-indentation: 2 |
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| 516 | # eval: (add-hook 'write-file-hooks 'time-stamp) |
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| 517 | # time-stamp-start: "scriptversion=" |
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| 518 | # time-stamp-format: "%:y-%02m-%02d.%02H" |
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| 519 | # time-stamp-end: "$" |
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| 520 | # End: |
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