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@@ -1,10 +1,10 @@
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#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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-scriptversion=2011-12-04.11; # UTC
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+scriptversion=2012-03-27.16; # UTC
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# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
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-# 2011 Free Software Foundation, Inc.
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+# 2011, 2012 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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@@ -28,7 +28,7 @@ scriptversion=2011-12-04.11; # UTC
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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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+ echo "$0: No command. Try '$0 --help' for more information." 1>&2
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exit 1;
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;;
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-h | --h*)
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@@ -40,8 +40,8 @@ as side-effects.
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Environment variables:
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depmode Dependency tracking mode.
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- source Source file read by `PROGRAMS ARGS'.
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- object Object file output by `PROGRAMS ARGS'.
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+ source Source file read by 'PROGRAMS ARGS'.
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+ object Object file output by 'PROGRAMS ARGS'.
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DEPDIR directory where to store dependencies.
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depfile Dependency file to output.
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tmpdepfile Temporary file to use when outputting dependencies.
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@@ -57,6 +57,12 @@ EOF
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;;
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esac
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+# A tabulation character.
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+tab=' '
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+# A newline character.
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+nl='
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+'
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+
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if test -z "$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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@@ -102,6 +108,12 @@ if test "$depmode" = msvc7msys; then
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depmode=msvc7
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fi
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+if test "$depmode" = xlc; then
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+ # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
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+ gccflag=-qmakedep=gcc,-MF
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+ depmode=gcc
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+fi
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+
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case "$depmode" in
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gcc3)
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## gcc 3 implements dependency tracking that does exactly what
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@@ -156,15 +168,14 @@ gcc)
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## The second -e expression handles DOS-style file names with drive letters.
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sed -e 's/^[^:]*: / /' \
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-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
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-## This next piece of magic avoids the `deleted header file' problem.
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+## 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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-' < "$tmpdepfile" |
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-## Some versions of gcc put a space before the `:'. On the theory
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+ tr ' ' "$nl" < "$tmpdepfile" |
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+## Some versions of gcc put a space before the ':'. On the theory
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## that the space means something, we add a space to the output as
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## well. hp depmode also adds that space, but also prefixes the VPATH
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## to the object. Take care to not repeat it in the output.
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@@ -203,18 +214,15 @@ sgi)
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# clever and replace this with sed code, as IRIX sed won't handle
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# lines with more than a fixed number of characters (4096 in
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# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
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- # the IRIX cc adds comments like `#:fec' to the end of the
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+ # the IRIX cc adds comments like '#:fec' to the end of the
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# dependency line.
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- tr ' ' '
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-' < "$tmpdepfile" \
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+ tr ' ' "$nl" < "$tmpdepfile" \
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
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- tr '
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-' ' ' >> "$depfile"
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+ tr "$nl" ' ' >> "$depfile"
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echo >> "$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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-' < "$tmpdepfile" \
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+ tr ' ' "$nl" < "$tmpdepfile" \
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
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>> "$depfile"
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else
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@@ -226,10 +234,17 @@ sgi)
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rm -f "$tmpdepfile"
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;;
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+xlc)
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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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+
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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 `$object:' at the
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+ # current directory. Also, the AIX compiler puts '$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|/[^/]*$|/|'`
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@@ -259,12 +274,11 @@ aix)
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test -f "$tmpdepfile" && break
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done
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if test -f "$tmpdepfile"; then
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- # Each line is of the form `foo.o: dependent.h'.
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+ # Each line is of the form 'foo.o: dependent.h'.
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# Do two passes, one to just change these to
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- # `$object: dependent.h' and one to simply `dependent.h:'.
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+ # '$object: dependent.h' and one to simply 'dependent.h:'.
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sed -e "s,^.*\.[a-z]*:,$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" >> "$depfile"
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+ sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -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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@@ -275,23 +289,26 @@ aix)
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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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+ # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
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+ # However on
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+ # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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# ICC 7.0 will fill foo.d with something like
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# foo.o: sub/foo.c
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# foo.o: sub/foo.h
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- # which is wrong. We want:
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+ # which is wrong. We want
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# sub/foo.o: sub/foo.c
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# sub/foo.o: sub/foo.h
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# sub/foo.c:
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# sub/foo.h:
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# ICC 7.1 will output
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# foo.o: sub/foo.c sub/foo.h
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- # and will wrap long lines using \ :
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+ # and will wrap long lines using '\':
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# foo.o: sub/foo.c ... \
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# sub/foo.h ... \
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# ...
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-
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+ # tcc 0.9.26 (FIXME still under development at the moment of writing)
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+ # will emit a similar output, but also prepend the continuation lines
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+ # with horizontal tabulation characters.
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"$@" -MD -MF "$tmpdepfile"
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stat=$?
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if test $stat -eq 0; then :
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@@ -300,15 +317,21 @@ icc)
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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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+ # 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' < "$tmpdepfile" |
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- sed -e 's/$/ :/' >> "$depfile"
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+ # '$object: dependent.h' and one to simply 'dependent.h:'.
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+ sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \
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+ < "$tmpdepfile" > "$depfile"
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+ sed '
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+ s/[ '"$tab"'][ '"$tab"']*/ /g
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+ s/^ *//
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+ s/ *\\*$//
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+ s/^[^:]*: *//
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+ /^$/d
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+ /:$/d
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+ s/$/ :/
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+ ' < "$tmpdepfile" >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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@@ -344,7 +367,7 @@ hp2)
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done
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if test -f "$tmpdepfile"; then
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sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
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- # Add `dependent.h:' lines.
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+ # Add 'dependent.h:' lines.
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sed -ne '2,${
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s/^ *//
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s/ \\*$//
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@@ -359,9 +382,9 @@ hp2)
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tru64)
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# The Tru64 compiler uses -MD to generate dependencies as a side
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- # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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+ # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
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# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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- # dependencies in `foo.d' instead, so we check for that too.
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+ # dependencies in 'foo.d' instead, so we check for that too.
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# Subdirectories are respected.
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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@@ -407,8 +430,7 @@ tru64)
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done
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if test -f "$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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+ sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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else
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echo "#dummy" > "$depfile"
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fi
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@@ -443,11 +465,11 @@ msvc7)
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p
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}' | $cygpath_u | sort -u | sed -n '
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s/ /\\ /g
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-s/\(.*\)/ \1 \\/p
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+s/\(.*\)/'"$tab"'\1 \\/p
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s/.\(.*\) \\/\1:/
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H
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$ {
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- s/.*/ /
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+ s/.*/'"$tab"'/
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G
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p
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}' >> "$depfile"
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@@ -478,7 +500,7 @@ dashmstdout)
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shift
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fi
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- # Remove `-o $object'.
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+ # Remove '-o $object'.
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IFS=" "
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for arg
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do
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@@ -498,15 +520,14 @@ dashmstdout)
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done
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test -z "$dashmflag" && dashmflag=-M
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- # Require at least two characters before searching for `:'
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+ # 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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+ # 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"'\: :' > "$tmpdepfile"
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+ sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$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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+ tr ' ' "$nl" < "$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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@@ -562,8 +583,7 @@ makedepend)
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# makedepend may prepend the VPATH from the source file name to the object.
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# No need to regex-escape $object, excess matching of '.' is harmless.
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sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
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- sed '1,2d' "$tmpdepfile" | tr ' ' '
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-' | \
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+ sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
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## Some versions of the HPUX 10.20 sed can't process this invocation
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## correctly. Breaking it into two sed invocations is a workaround.
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sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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@@ -583,7 +603,7 @@ cpp)
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shift
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fi
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- # Remove `-o $object'.
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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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@@ -652,8 +672,8 @@ msvisualcpp)
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sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
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rm -f "$depfile"
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echo "$object : \\" > "$depfile"
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- sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
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- echo " " >> "$depfile"
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+ sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
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+ echo "$tab" >> "$depfile"
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sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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