631 lines
18 KiB
Bash
631 lines
18 KiB
Bash
#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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scriptversion=2009-04-28.21; # UTC
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# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
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# 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, see <http://www.gnu.org/licenses/>.
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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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case $1 in
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'')
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echo "$0: No command. Try \`$0 --help' for more information." 1>&2
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exit 1;
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;;
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-h | --h*)
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cat <<\EOF
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Usage: depcomp [--help] [--version] PROGRAM [ARGS]
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Run PROGRAMS ARGS to compile a file, generating dependencies
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as side-effects.
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Environment variables:
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depmode Dependency tracking mode.
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source Source file read by `PROGRAMS ARGS'.
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object Object file output by `PROGRAMS ARGS'.
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DEPDIR directory where to store dependencies.
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depfile Dependency file to output.
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tmpdepfile Temporary file to use when outputing dependencies.
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libtool Whether libtool is used (yes/no).
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Report bugs to <bug-automake@gnu.org>.
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EOF
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exit $?
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;;
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-v | --v*)
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echo "depcomp $scriptversion"
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exit $?
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;;
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esac
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if test -z "$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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# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
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depfile=${depfile-`echo "$object" |
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sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
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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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cygpath_u="cygpath -u -f -"
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if test "$depmode" = msvcmsys; then
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# This is just like msvisualcpp but w/o cygpath translation.
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# Just convert the backslash-escaped backslashes to single forward
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# slashes to satisfy depend.m4
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cygpath_u="sed s,\\\\\\\\,/,g"
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depmode=msvisualcpp
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fi
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case "$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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## Unfortunately, FreeBSD c89 acceptance of flags depends upon
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## the command line argument order; so add the flags where they
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## appear in depend2.am. Note that the slowdown incurred here
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## affects only configure: in makefiles, %FASTDEP% shortcuts this.
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for arg
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do
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case $arg in
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-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
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*) set fnord "$@" "$arg" ;;
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esac
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shift # fnord
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shift # $arg
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done
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"$@"
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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 "$tmpdepfile"
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;;
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aix)
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# The C for AIX Compiler uses -M and outputs the dependencies
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# in a .u file. In older versions, this file always lives in the
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# current directory. Also, the AIX compiler puts `$object:' at the
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# start of each line; $object doesn't have directory information.
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# Version 6 uses the directory in both cases.
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dir=`echo "$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$base.u
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tmpdepfile2=$base.u
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tmpdepfile3=$dir.libs/$base.u
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"$@" -Wc,-M
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else
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tmpdepfile1=$dir$base.u
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tmpdepfile2=$dir$base.u
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tmpdepfile3=$dir$base.u
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"$@" -M
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fi
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stat=$?
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if test $stat -eq 0; then :
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else
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rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
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exit $stat
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fi
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for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
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do
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test -f "$tmpdepfile" && break
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done
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if test -f "$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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# `$object: dependent.h' and one to simply `dependent.h:'.
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sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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# That's a tab and a space in the [].
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sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$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 "$tmpdepfile"
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;;
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icc)
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# Intel's C compiler understands `-MD -MF file'. However on
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# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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# ICC 7.0 will fill foo.d with something like
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# foo.o: sub/foo.c
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# foo.o: sub/foo.h
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# which is wrong. We want:
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# sub/foo.o: sub/foo.c
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# sub/foo.o: sub/foo.h
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# sub/foo.c:
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# sub/foo.h:
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# ICC 7.1 will output
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# foo.o: sub/foo.c sub/foo.h
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# and will wrap long lines using \ :
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# foo.o: sub/foo.c ... \
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# sub/foo.h ... \
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# ...
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"$@" -MD -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 $stat
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fi
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rm -f "$depfile"
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# Each line is of the form `foo.o: dependent.h',
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# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
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# Do two passes, one to just change these to
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# `$object: dependent.h' and one to simply `dependent.h:'.
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sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
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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 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
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sed -e 's/$/ :/' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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hp2)
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# The "hp" stanza above does not work with aCC (C++) and HP's ia64
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# compilers, which have integrated preprocessors. The correct option
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# to use with these is +Maked; it writes dependencies to a file named
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# 'foo.d', which lands next to the object file, wherever that
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# happens to be.
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# Much of this is similar to the tru64 case; see comments there.
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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=$dir$base.d
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tmpdepfile2=$dir.libs/$base.d
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"$@" -Wc,+Maked
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else
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tmpdepfile1=$dir$base.d
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tmpdepfile2=$dir$base.d
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"$@" +Maked
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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 $stat
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fi
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for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
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do
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test -f "$tmpdepfile" && break
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done
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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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# Add `dependent.h:' lines.
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sed -ne '2,${
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s/^ *//
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s/ \\*$//
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s/$/:/
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p
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}' "$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 "$tmpdepfile" "$tmpdepfile2"
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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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# With Tru64 cc, shared objects can also be used to make a
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# static library. This mechanism is used in libtool 1.4 series to
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# handle both shared and static libraries in a single compilation.
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# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
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#
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# With libtool 1.5 this exception was removed, and libtool now
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# generates 2 separate objects for the 2 libraries. These two
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# compilations output dependencies in $dir.libs/$base.o.d and
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# in $dir$base.o.d. We have to check for both files, because
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# one of the two compilations can be disabled. We should prefer
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# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
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# automatically cleaned when .libs/ is deleted, while ignoring
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# the former would cause a distcleancheck panic.
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tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
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tmpdepfile2=$dir$base.o.d # libtool 1.5
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tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
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tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
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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$base.d
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tmpdepfile3=$dir$base.d
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tmpdepfile4=$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" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
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exit $stat
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fi
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for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
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do
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test -f "$tmpdepfile" && break
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done
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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 tab and a space 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 "$tmpdepfile"
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;;
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|
#nosideeffect)
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|
# This comment above is used by automake to tell side-effect
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|
# dependency tracking mechanisms from slower ones.
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|
dashmstdout)
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|
# Important note: in order to support this mode, a compiler *must*
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|
# always write the preprocessed file to stdout, regardless of -o.
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|
"$@" || exit $?
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|
|
|
# Remove the call to Libtool.
|
|
if test "$libtool" = yes; then
|
|
while test "X$1" != 'X--mode=compile'; do
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shift
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|
done
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|
shift
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fi
|
|
|
|
# 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 # $arg
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;;
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esac
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done
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|
|
test -z "$dashmflag" && dashmflag=-M
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|
# Require at least two characters before searching for `:'
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|
# in the target name. This is to cope with DOS-style filenames:
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|
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
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|
"$@" $dashmflag |
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|
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
|
|
rm -f "$depfile"
|
|
cat < "$tmpdepfile" > "$depfile"
|
|
tr ' ' '
|
|
' < "$tmpdepfile" | \
|
|
## Some versions of the HPUX 10.20 sed can't process this invocation
|
|
## correctly. Breaking it into two sed invocations is a workaround.
|
|
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
|
|
rm -f "$tmpdepfile"
|
|
;;
|
|
|
|
dashXmstdout)
|
|
# This case only exists to satisfy depend.m4. It is never actually
|
|
# run, as this mode is specially recognized in the preamble.
|
|
exit 1
|
|
;;
|
|
|
|
makedepend)
|
|
"$@" || exit $?
|
|
# Remove any Libtool call
|
|
if test "$libtool" = yes; then
|
|
while test "X$1" != 'X--mode=compile'; do
|
|
shift
|
|
done
|
|
shift
|
|
fi
|
|
# X makedepend
|
|
shift
|
|
cleared=no eat=no
|
|
for arg
|
|
do
|
|
case $cleared in
|
|
no)
|
|
set ""; shift
|
|
cleared=yes ;;
|
|
esac
|
|
if test $eat = yes; then
|
|
eat=no
|
|
continue
|
|
fi
|
|
case "$arg" in
|
|
-D*|-I*)
|
|
set fnord "$@" "$arg"; shift ;;
|
|
# Strip any option that makedepend may not understand. Remove
|
|
# the object too, otherwise makedepend will parse it as a source file.
|
|
-arch)
|
|
eat=yes ;;
|
|
-*|$object)
|
|
;;
|
|
*)
|
|
set fnord "$@" "$arg"; shift ;;
|
|
esac
|
|
done
|
|
obj_suffix=`echo "$object" | sed 's/^.*\././'`
|
|
touch "$tmpdepfile"
|
|
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
|
|
rm -f "$depfile"
|
|
cat < "$tmpdepfile" > "$depfile"
|
|
sed '1,2d' "$tmpdepfile" | tr ' ' '
|
|
' | \
|
|
## Some versions of the HPUX 10.20 sed can't process this invocation
|
|
## correctly. Breaking it into two sed invocations is a workaround.
|
|
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
|
|
rm -f "$tmpdepfile" "$tmpdepfile".bak
|
|
;;
|
|
|
|
cpp)
|
|
# Important note: in order to support this mode, a compiler *must*
|
|
# always write the preprocessed file to stdout.
|
|
"$@" || exit $?
|
|
|
|
# Remove the call to Libtool.
|
|
if test "$libtool" = yes; then
|
|
while test "X$1" != 'X--mode=compile'; do
|
|
shift
|
|
done
|
|
shift
|
|
fi
|
|
|
|
# Remove `-o $object'.
|
|
IFS=" "
|
|
for arg
|
|
do
|
|
case $arg in
|
|
-o)
|
|
shift
|
|
;;
|
|
$object)
|
|
shift
|
|
;;
|
|
*)
|
|
set fnord "$@" "$arg"
|
|
shift # fnord
|
|
shift # $arg
|
|
;;
|
|
esac
|
|
done
|
|
|
|
"$@" -E |
|
|
sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
|
|
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
|
|
sed '$ s: \\$::' > "$tmpdepfile"
|
|
rm -f "$depfile"
|
|
echo "$object : \\" > "$depfile"
|
|
cat < "$tmpdepfile" >> "$depfile"
|
|
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
|
|
rm -f "$tmpdepfile"
|
|
;;
|
|
|
|
msvisualcpp)
|
|
# Important note: in order to support this mode, a compiler *must*
|
|
# always write the preprocessed file to stdout.
|
|
"$@" || exit $?
|
|
|
|
# Remove the call to Libtool.
|
|
if test "$libtool" = yes; then
|
|
while test "X$1" != 'X--mode=compile'; do
|
|
shift
|
|
done
|
|
shift
|
|
fi
|
|
|
|
IFS=" "
|
|
for arg
|
|
do
|
|
case "$arg" in
|
|
-o)
|
|
shift
|
|
;;
|
|
$object)
|
|
shift
|
|
;;
|
|
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
|
|
set fnord "$@"
|
|
shift
|
|
shift
|
|
;;
|
|
*)
|
|
set fnord "$@" "$arg"
|
|
shift
|
|
shift
|
|
;;
|
|
esac
|
|
done
|
|
"$@" -E 2>/dev/null |
|
|
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
|
|
rm -f "$depfile"
|
|
echo "$object : \\" > "$depfile"
|
|
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
|
|
echo " " >> "$depfile"
|
|
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
|
|
rm -f "$tmpdepfile"
|
|
;;
|
|
|
|
msvcmsys)
|
|
# This case exists only to let depend.m4 do its work. It works by
|
|
# looking at the text of this script. This case will never be run,
|
|
# since it is checked for above.
|
|
exit 1
|
|
;;
|
|
|
|
none)
|
|
exec "$@"
|
|
;;
|
|
|
|
*)
|
|
echo "Unknown depmode $depmode" 1>&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
exit 0
|
|
|
|
# Local Variables:
|
|
# mode: shell-script
|
|
# sh-indentation: 2
|
|
# eval: (add-hook 'write-file-hooks 'time-stamp)
|
|
# time-stamp-start: "scriptversion="
|
|
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
|
# time-stamp-time-zone: "UTC"
|
|
# time-stamp-end: "; # UTC"
|
|
# End:
|