mirror of
https://github.com/autc04/Retro68.git
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514 lines
14 KiB
Bash
Executable File
514 lines
14 KiB
Bash
Executable File
#!/bin/sh
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#
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# Install modified versions of certain ANSI-incompatible system header
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# files which are fixed to work correctly with ANSI C and placed in a
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# directory that GCC will search.
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#
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# See README-fixinc for more information.
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#
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# fixincludes copyright (c) 1998, 1999, 2000, 2002, 2009
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# The Free Software Foundation, Inc.
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#
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# fixincludes is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 3, or (at your option) any later version.
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#
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# fixincludes 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.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with fixincludes; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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#
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# # # # # # # # # # # # # # # # # # # # #
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# Usage: fixinc.sh output-dir input-dir
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#
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# Directory in which to store the results.
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# Fail if no arg to specify a directory for the output.
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if [ "x$1" = "x" ]
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then
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echo fixincludes: no output directory specified
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exit 1
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fi
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LIB=${1}
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shift
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# Make sure it exists.
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if [ ! -d $LIB ]; then
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mkdir -p $LIB || {
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echo fixincludes: output dir '`'$LIB"' cannot be created"
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exit 1
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}
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else
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( cd $LIB && touch DONE && rm DONE ) || {
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echo fixincludes: output dir '`'$LIB"' is an invalid directory"
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exit 1
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}
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fi
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if test -z "$VERBOSE"
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then
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VERBOSE=2
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export VERBOSE
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else
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case "$VERBOSE" in
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[0-9] ) : ;;
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* ) VERBOSE=3 ;;
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esac
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fi
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# Define what target system we're fixing.
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#
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if test -r ./Makefile; then
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target_canonical="`sed -n -e 's,^target[ ]*=[ ]*\(.*\)$,\1,p' < Makefile`"
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fi
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# If not from the Makefile, then try config.guess
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#
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if test -z "${target_canonical}" ; then
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if test -x ./config.guess ; then
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target_canonical="`config.guess`" ; fi
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test -z "${target_canonical}" && target_canonical=unknown
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fi
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export target_canonical
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Define PWDCMD as a command to use to get the working dir
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# in the form that we want.
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PWDCMD=${PWDCMD-pwd}
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case "`$PWDCMD`" in
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//*)
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# On an Apollo, discard everything before `/usr'.
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PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
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;;
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esac
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# Original directory.
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ORIGDIR=`${PWDCMD}`
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export ORIGDIR
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FIXINCL=`${PWDCMD}`/fixincl
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if [ ! -x $FIXINCL ] ; then
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echo "Cannot find fixincl" >&2
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exit 1
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fi
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export FIXINCL
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# Make LIB absolute only if needed to avoid problems with the amd.
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case $LIB in
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/*)
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;;
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*)
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cd $LIB; LIB=`${PWDCMD}`
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;;
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esac
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if test $VERBOSE -gt 0
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then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
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# Determine whether this system has symbolic links.
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if test -n "$DJDIR"; then
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LINKS=false
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elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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rm -f $LIB/ShouldNotExist
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LINKS=true
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elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
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rm -f /tmp/ShouldNotExist
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LINKS=true
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else
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LINKS=false
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fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Check to see if the machine_name fix needs to be disabled.
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#
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# On some platforms, machine_name doesn't work properly and
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# breaks some of the header files. Since everything works
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# properly without it, just wipe the macro list to
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# disable the fix.
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case "${target_canonical}" in
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*-*-vxworks* | powerpc*-*-linux*)
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test -f ${MACRO_LIST} && echo > ${MACRO_LIST}
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;;
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esac
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# # # # # # # # # # # # # # # # # # # # #
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#
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# In the file macro_list are listed all the predefined
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# macros that are not in the C89 reserved namespace (the reserved
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# namespace is all identifiers beginnning with two underscores or one
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# underscore followed by a capital letter). A regular expression to find
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# any of those macros in a header file is written to MN_NAME_PAT.
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#
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# Note dependency on ASCII. \012 = newline.
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# tr ' ' '\n' is, alas, not portable.
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if test -s ${MACRO_LIST}
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then
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if test $VERBOSE -gt 0; then
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echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
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fi
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MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
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< ${MACRO_LIST} | tr -d '\012'`"
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export MN_NAME_PAT
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else
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if test $VERBOSE -gt 0
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then echo "No forbidden identifiers defined by this target" ; fi
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fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Search each input directory for broken header files.
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# This loop ends near the end of the file.
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#
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if test $# -eq 0
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then
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INPUTLIST="/usr/include"
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else
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INPUTLIST="$@"
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fi
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for INPUT in ${INPUTLIST} ; do
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cd ${ORIGDIR}
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# Make sure a directory exists before changing into it,
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# otherwise Solaris2 will fail-exit the script.
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#
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if [ ! -d ${INPUT} ]; then
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continue
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fi
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cd ${INPUT}
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INPUT=`${PWDCMD}`
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export INPUT
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#
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# # # # # # # # # # # # # # # # # # # # #
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#
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if test $VERBOSE -gt 1
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then echo Finding directories and links to directories ; fi
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# Find all directories and all symlinks that point to directories.
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# Put the list in $all_dirs.
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# Each time we find a symlink, add it to newdirs
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# so that we do another find within the dir the link points to.
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# Note that $all_dirs may have duplicates in it;
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# later parts of this file are supposed to ignore them.
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dirs="."
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levels=2
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all_dirs=""
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search_dirs=""
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while [ -n "$dirs" ] && [ $levels -gt 0 ]
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do
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levels=`expr $levels - 1`
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newdirs=
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for d in $dirs
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do
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if test $VERBOSE -gt 1
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then echo " Searching $INPUT/$d" ; fi
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# Find all directories under $d, relative to $d, excluding $d itself.
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# (The /. is needed after $d in case $d is a symlink.)
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all_dirs="$all_dirs `find $d/. -type d -print | \
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sed -e '/\/\.$/d' -e 's@/./@/@g'`"
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# Find all links to directories.
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# Using `-exec test -d' in find fails on some systems,
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# and trying to run test via sh fails on others,
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# so this is the simplest alternative left.
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# First find all the links, then test each one.
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theselinks=
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$LINKS && \
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theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
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for d1 in $theselinks --dummy--
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do
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# If the link points to a directory,
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# add that dir to $newdirs
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if [ -d $d1 ]
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then
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all_dirs="$all_dirs $d1"
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if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
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then
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newdirs="$newdirs $d1"
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search_dirs="$search_dirs $d1"
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fi
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fi
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done
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done
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dirs="$newdirs"
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done
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# # # # # # # # # # # # # # # # # # # # #
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#
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dirs=
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if test $VERBOSE -gt 2
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then echo "All directories (including links to directories):"
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echo $all_dirs
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fi
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OLDDIR=`${PWDCMD}`
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cd $LIB
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echo "$all_dirs" | xargs mkdir -p
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cd ${OLDDIR}
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mkdir $LIB/root
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# # # # # # # # # # # # # # # # # # # # #
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#
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# treetops gets an alternating list
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# of old directories to copy
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# and the new directories to copy to.
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treetops=". ${LIB}"
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if $LINKS; then
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if test $VERBOSE -gt 1
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then echo 'Making symbolic directory links' ; fi
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cwd=`${PWDCMD}`
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for sym_link in $search_dirs; do
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cd ${INPUT}
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dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'`
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# In case $dest is relative, get to ${sym_link}'s dir first.
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#
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cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'`
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# Check that the target directory exists.
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# Redirections changed to avoid bug in sh on Ultrix.
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#
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(cd $dest) > /dev/null 2>&1
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if [ $? = 0 ]; then
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cd $dest
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# full_dest_dir gets the dir that the link actually leads to.
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#
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full_dest_dir=`${PWDCMD}`
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# Canonicalize ${INPUT} now to minimize the time an
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# automounter has to change the result of ${PWDCMD}.
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#
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cinput=`cd ${INPUT}; ${PWDCMD}`
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# If a link points to ., make a similar link to .
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#
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if [ ${full_dest_dir} = ${cinput} ]; then
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if test $VERBOSE -gt 2
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then echo ${sym_link} '->' . ': Making self link' ; fi
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rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
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# If link leads back into ${INPUT},
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# make a similar link here.
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#
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elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
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# Y gets the actual target dir name, relative to ${INPUT}.
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y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"`
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# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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dots=`echo "${sym_link}" |
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sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
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if test $VERBOSE -gt 2
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then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
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rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
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else
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# If the link is to a dir $target outside ${INPUT},
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# repoint the link at ${INPUT}/root$target
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# and process $target into ${INPUT}/root$target
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# treat this directory as if it actually contained the files.
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#
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if test $VERBOSE -gt 2
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then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
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fi
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if [ -d $LIB/root${full_dest_dir} ]
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then true
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else
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dirname=root${full_dest_dir}/
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dirmade=.
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cd $LIB
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while [ x$dirname != x ]; do
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component=`echo $dirname | sed -e 's|/.*$||'`
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mkdir $component >/dev/null 2>&1
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cd $component
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dirmade=$dirmade/$component
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dirname=`echo $dirname | sed -e 's|[^/]*//*||'`
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done
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fi
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# Duplicate directory structure created in ${LIB}/${sym_link} in new
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# root area.
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#
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for file2 in $all_dirs; do
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case $file2 in
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${sym_link}/*)
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dupdir=${LIB}/root${full_dest_dir}/`echo $file2 |
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sed -n "s|^${sym_link}/||p"`
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if test $VERBOSE -gt 2
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then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
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if [ -d ${dupdir} ]
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then true
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else
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mkdir ${dupdir}
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fi
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;;
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*)
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;;
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esac
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done
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# Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
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#
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parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'`
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libabs=`cd ${LIB}; ${PWDCMD}`
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file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
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# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
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#
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dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
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rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
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ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
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treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
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fi
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fi
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done
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fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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required=
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set x $treetops
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shift
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while [ $# != 0 ]; do
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# $1 is an old directory to copy, and $2 is the new directory to copy to.
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#
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SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
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export SRCDIR
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FIND_BASE=$1
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export FIND_BASE
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shift
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DESTDIR=`cd $1;${PWDCMD}`
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export DESTDIR
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shift
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# The same dir can appear more than once in treetops.
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# There's no need to scan it more than once.
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#
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if [ -f ${DESTDIR}/DONE ]
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then continue ; fi
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touch ${DESTDIR}/DONE
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if test $VERBOSE -gt 1
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then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
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# Check files which are symlinks as well as those which are files.
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#
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cd ${INPUT}
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required="$required `if $LINKS; then
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find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
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else
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find ${FIND_BASE}/. -name '*.h' -type f -print
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fi | \
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sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
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${FIXINCL}`"
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done
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## Make sure that any include files referenced using double quotes
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## exist in the fixed directory. This comes last since otherwise
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## we might end up deleting some of these files "because they don't
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## need any change."
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set x `echo $required`
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shift
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while [ $# != 0 ]; do
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newreq=
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while [ $# != 0 ]; do
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# $1 is the directory to copy from,
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# $2 is the unfixed file,
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# $3 is the fixed file name.
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#
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cd ${INPUT}
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cd $1
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if [ -f $2 ] ; then
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if [ -r $2 ] && [ ! -r $3 ]; then
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cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
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chmod +w $3 2>/dev/null
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chmod a+r $3 2>/dev/null
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if test $VERBOSE -gt 2
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then echo Copied $2 ; fi
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for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
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sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
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do
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dir=`echo $2 | sed -e s'|/[^/]*$||'`
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dir2=`echo $3 | sed -e s'|/[^/]*$||'`
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newreq="$newreq $1 $dir/$include $dir2/$include"
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done
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fi
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fi
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shift; shift; shift
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done
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set x $newreq
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shift
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done
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if test $VERBOSE -gt 2
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then echo 'Cleaning up DONE files.' ; fi
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cd $LIB
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# Look for files case-insensitively, for the benefit of
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# DOS/Windows filesystems.
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find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
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if test $VERBOSE -gt 1
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then echo 'Cleaning up unneeded directories:' ; fi
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cd $LIB
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all_dirs=`find . -type d \! -name '.' -print | sort -r`
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for file in $all_dirs; do
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if rmdir $LIB/$file > /dev/null
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then
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test $VERBOSE -gt 3 && echo " removed $file"
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fi
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done 2> /dev/null
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# On systems which don't support symlinks, `find' may barf
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# if called with "-type l" predicate. So only use that if
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# we know we should look for symlinks.
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if $LINKS; then
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test $VERBOSE -gt 2 && echo "Removing unused symlinks"
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all_dirs=`find . -type l -print`
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for file in $all_dirs
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do
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if test ! -d $file
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then
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rm -f $file
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test $VERBOSE -gt 3 && echo " removed $file"
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rmdir `dirname $file` > /dev/null && \
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test $VERBOSE -gt 3 && \
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echo " removed `dirname $file`"
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fi
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done 2> /dev/null
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fi
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if test $VERBOSE -gt 0
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then echo fixincludes is done ; fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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# End of for INPUT directories
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#
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done
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#
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# # # # # # # # # # # # # # # # # # # # #
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