[thirdparty/gcc.git] / gcc / fixinc / fixincl.sh

#!/bin/sh
#
#  EDIT THIS FILE - it is no longer generated
#
# Install modified versions of certain ANSI-incompatible system header
# files which are fixed to work correctly with ANSI C and placed in a
# directory that GNU C will search.
#
# See README-fixinc for more information.
#
#  fixincludes copyright (c) 1998, 1999, 2000
#  The Free Software Foundation, Inc.
#
# fixincludes is free software.
# 
# You may redistribute it and/or modify it under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation; either version 2, or (at your option) any later version.
# 
# fixincludes is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with fixincludes.  See the file "COPYING".  If not,
# write to:  The Free Software Foundation, Inc.,
#            59 Temple Place - Suite 330,
#            Boston,  MA  02111-1307, USA.
#
# # # # # # # # # # # # # # # # # # # # #
#
# Directory in which to store the results.
# Fail if no arg to specify a directory for the output.
if [ "x$1" = "x" ]
then
  echo fixincludes: no output directory specified
  exit 1
fi

LIB=${1}
shift

# Make sure it exists.
if [ ! -d $LIB ]; then
  mkdir $LIB || {
    echo fixincludes:  output dir '`'$LIB"' cannot be created"
    exit 1
  }
else
  ( cd $LIB && touch DONE && rm DONE ) || {
    echo fixincludes:  output dir '`'$LIB"' is an invalid directory"
    exit 1
  }
fi

if test -z "$VERBOSE"
then
  VERBOSE=2
  export VERBOSE
else
  case "$VERBOSE" in
  [0-9] ) : ;;
  * )  VERBOSE=3 ;;
  esac
fi

# Define what target system we're fixing.
#
if test -r ./Makefile; then
  target_canonical="`sed -n -e 's,^target[ 	]*=[ 	]*\(.*\)$,\1,p' < Makefile`"
fi

# If not from the Makefile, then try config.guess
#
if test -z "${target_canonical}" ; then
  if test -x ./config.guess ; then
    target_canonical="`config.guess`" ; fi
  test -z "${target_canonical}" && target_canonical=unknown
fi
export target_canonical

# # # # # # # # # # # # # # # # # # # # #
#
# Define PWDCMD as a command to use to get the working dir
# in the form that we want.
PWDCMD=pwd

case "`$PWDCMD`" in
//*)
    # On an Apollo, discard everything before `/usr'.
    PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
    ;;
esac

# Original directory.
ORIGDIR=`${PWDCMD}`
export ORIGDIR
FIXINCL=${ORIGDIR}/fixinc/fixincl
if [ ! -x $FIXINCL ] ; then
  FIXINCL=${ORIGDIR}/fixincl
  if [ ! -x $FIXINCL ] ; then
    echo "Cannot find working fixincl" >&2
    exit 1
  fi
fi
export FIXINCL

# Make LIB absolute only if needed to avoid problems with the amd.
case $LIB in
/*)
    ;;
*)
    cd $LIB; LIB=`${PWDCMD}`
    ;;
esac

if test $VERBOSE -gt 0
then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi

# Determine whether this system has symbolic links.
if test -n "$DJDIR"; then
  LINKS=false
elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
  rm -f $LIB/ShouldNotExist
  LINKS=true
elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
  rm -f /tmp/ShouldNotExist
  LINKS=true
else
  LINKS=false
fi

# # # # # # # # # # # # # # # # # # # # #
#
#  Search each input directory for broken header files.
#  This loop ends near the end of the file.
#
if test $# -eq 0
then
    INPUTLIST="/usr/include"
else
    INPUTLIST="$@"
fi

for INPUT in ${INPUTLIST} ; do

cd ${ORIGDIR}

#  Make sure a directory exists before changing into it,
#  otherwise Solaris2 will fail-exit the script.
#
if [ ! -d ${INPUT} ]; then
  continue
fi
cd ${INPUT}

INPUT=`${PWDCMD}`
export INPUT

#
# # # # # # # # # # # # # # # # # # # # #
#
if test $VERBOSE -gt 1
then echo Finding directories and links to directories ; fi

# Find all directories and all symlinks that point to directories.
# Put the list in $all_dirs.
# Each time we find a symlink, add it to newdirs
# so that we do another find within the dir the link points to.
# Note that $all_dirs may have duplicates in it;
# later parts of this file are supposed to ignore them.
dirs="."
levels=2
all_dirs=""
search_dirs=""

while [ -n "$dirs" ] && [ $levels -gt 0 ]
do
  levels=`expr $levels - 1`
  newdirs=
  for d in $dirs
  do
    if test $VERBOSE -gt 1
    then echo " Searching $INPUT/$d" ; fi

    # Find all directories under $d, relative to $d, excluding $d itself.
    # (The /. is needed after $d in case $d is a symlink.)
    all_dirs="$all_dirs `find $d/. -type d -print | \
               sed -e '/\/\.$/d' -e 's@/./@/@g'`"
    # Find all links to directories.
    # Using `-exec test -d' in find fails on some systems,
    # and trying to run test via sh fails on others,
    # so this is the simplest alternative left.
    # First find all the links, then test each one.
    theselinks=
    $LINKS && \
      theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
    for d1 in $theselinks --dummy--
    do
      # If the link points to a directory,
      # add that dir to $newdirs
      if [ -d $d1 ]
      then
        all_dirs="$all_dirs $d1"
        if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
        then
          newdirs="$newdirs $d1"
          search_dirs="$search_dirs $d1"
        fi
      fi
    done
  done

  dirs="$newdirs"
done

# # # # # # # # # # # # # # # # # # # # #
#
dirs=
if test $VERBOSE -gt 2
then echo "All directories (including links to directories):"
     echo $all_dirs
fi

for file in $all_dirs; do
  rm -rf $LIB/$file
  if [ ! -d $LIB/$file ]
  then mkdir $LIB/$file
  fi
done
mkdir $LIB/root

# # # # # # # # # # # # # # # # # # # # #
#
# treetops gets an alternating list
# of old directories to copy
# and the new directories to copy to.
treetops=". ${LIB}"

if $LINKS; then
  if test $VERBOSE -gt 1
  then echo 'Making symbolic directory links' ; fi
  cwd=`${PWDCMD}`

  for sym_link in $search_dirs; do
    cd ${INPUT}
    dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'`

    # In case $dest is relative, get to ${sym_link}'s dir first.
    #
    cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'`

    # Check that the target directory exists.
    # Redirections changed to avoid bug in sh on Ultrix.
    #
    (cd $dest) > /dev/null 2>&1
    if [ $? = 0 ]; then
      cd $dest

      # full_dest_dir gets the dir that the link actually leads to.
      #
      full_dest_dir=`${PWDCMD}`

      # Canonicalize ${INPUT} now to minimize the time an
      # automounter has to change the result of ${PWDCMD}.
      #
      cinput=`cd ${INPUT}; ${PWDCMD}`

      # If a link points to ., make a similar link to .
      #
      if [ ${full_dest_dir} = ${cinput} ]; then
        if test $VERBOSE -gt 2
        then echo ${sym_link} '->' . ': Making self link' ; fi
        rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
        ln -s . ${LIB}/${sym_link} > /dev/null 2>&1

      # If link leads back into ${INPUT},
      # make a similar link here.
      #
      elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
        # Y gets the actual target dir name, relative to ${INPUT}.
        y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"`
        # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
        dots=`echo "${sym_link}" |
          sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
        if test $VERBOSE -gt 2
        then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
        rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
        ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1

      else
        # If the link is to a dir $target outside ${INPUT},
        # repoint the link at ${INPUT}/root$target
        # and process $target into ${INPUT}/root$target
        # treat this directory as if it actually contained the files.
        #
        if test $VERBOSE -gt 2
        then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
        fi
        if [ -d $LIB/root${full_dest_dir} ]
        then true
        else
          dirname=root${full_dest_dir}/
          dirmade=.
          cd $LIB
          while [ x$dirname != x ]; do
            component=`echo $dirname | sed -e 's|/.*$||'`
            mkdir $component >/dev/null 2>&1
            cd $component
            dirmade=$dirmade/$component
            dirname=`echo $dirname | sed -e 's|[^/]*/||'`
          done
        fi

        # Duplicate directory structure created in ${LIB}/${sym_link} in new
        # root area.
        #
        for file2 in $all_dirs; do
          case $file2 in
            ${sym_link}/*)
              dupdir=${LIB}/root${full_dest_dir}/`echo $file2 |
                      sed -n "s|^${sym_link}/||p"`
              if test $VERBOSE -gt 2
              then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
              if [ -d ${dupdir} ]
              then true
              else
                mkdir ${dupdir}
              fi
              ;;
            *)
              ;;
          esac
        done

        # Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
        #
        parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'`
        libabs=`cd ${LIB}; ${PWDCMD}`
        file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`

        # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
        #
        dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
        rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
        ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
        treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
      fi
    fi
  done
fi

# # # # # # # # # # # # # # # # # # # # #
#
required=
set x $treetops
shift
while [ $# != 0 ]; do
  # $1 is an old directory to copy, and $2 is the new directory to copy to.
  #
  SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
  export SRCDIR

  FIND_BASE=$1
  export FIND_BASE
  shift

  DESTDIR=`cd $1;${PWDCMD}`
  export DESTDIR
  shift

  # The same dir can appear more than once in treetops.
  # There's no need to scan it more than once.
  #
  if [ -f ${DESTDIR}/DONE ]
  then continue ; fi

  touch ${DESTDIR}/DONE
  if test $VERBOSE -gt 1
  then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi

  # Check files which are symlinks as well as those which are files.
  #
  cd ${INPUT}
  required="$required `if $LINKS; then
    find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
  else
    find ${FIND_BASE}/. -name '*.h' -type f -print
  fi | \
    sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
    ${FIXINCL}`"
done

## Make sure that any include files referenced using double quotes
## exist in the fixed directory.  This comes last since otherwise
## we might end up deleting some of these files "because they don't
## need any change."
set x `echo $required`
shift
while [ $# != 0 ]; do
  newreq=
  while [ $# != 0 ]; do
    # $1 is the directory to copy from,
    # $2 is the unfixed file,
    # $3 is the fixed file name.
    #
    cd ${INPUT}
    cd $1
    if [ -f $2 ] ; then
      if [ -r $2 ] && [ ! -r $3 ]; then
        cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
        chmod +w $3 2>/dev/null
        chmod a+r $3 2>/dev/null
        if test $VERBOSE -gt 2
        then echo Copied $2 ; fi
        for include in `egrep '^[ 	]*#[ 	]*include[ 	]*"[^/]' $3 |
             sed -e 's/^[ 	]*#[ 	]*include[ 	]*"\([^"]*\)".*$/\1/'`
        do
	  dir=`echo $2 | sed -e s'|/[^/]*$||'`
	  dir2=`echo $3 | sed -e s'|/[^/]*$||'`
	  newreq="$newreq $1 $dir/$include $dir2/$include"
        done
      fi
    fi
    shift; shift; shift
  done
  set x $newreq
  shift
done

if test $VERBOSE -gt 2
then echo 'Cleaning up DONE files.' ; fi
cd $LIB
# Look for files case-insensitively, for the benefit of
# DOS/Windows filesystems.
find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'

if test $VERBOSE -gt 1
then echo 'Cleaning up unneeded directories:' ; fi
cd $LIB
all_dirs=`find . -type d \! -name '.' -print | sort -r`
for file in $all_dirs; do
  if rmdir $LIB/$file > /dev/null
  then
    test $VERBOSE -gt 3 && echo "  removed $file"
  fi
done 2> /dev/null

# On systems which don't support symlinks, `find' may barf
# if called with "-type l" predicate.  So only use that if
# we know we should look for symlinks.
if $LINKS; then
  test $VERBOSE -gt 2 && echo "Removing unused symlinks"

  all_dirs=`find . -type l -print`
  for file in $all_dirs
  do
    if test ! -d $file
    then
      rm -f $file
      test $VERBOSE -gt 3 && echo "  removed $file"
      rmdir `dirname $file` > /dev/null && \
           test $VERBOSE -gt 3 && \
           echo "  removed `dirname $file`"
    fi
  done 2> /dev/null
fi

if test $VERBOSE -gt 0
then echo fixincludes is done ; fi

# # # # # # # # # # # # # # # # # # # # #
#
# End of for INPUT directories
#
done
#
# # # # # # # # # # # # # # # # # # # # #
Commit	Line	Data
fdb8fb96	1	#!/bin/sh
fdb8fb96	2	#
c9cbfd0e	3	# EDIT THIS FILE - it is no longer generated
fdb8fb96	4	#
	5	# Install modified versions of certain ANSI-incompatible system header
	6	# files which are fixed to work correctly with ANSI C and placed in a
	7	# directory that GNU C will search.
	8	#
fdb8fb96	9	# See README-fixinc for more information.
fdb8fb96	10	#
d4c4b01d	11	# fixincludes copyright (c) 1998, 1999, 2000
d4c4b01d	12	# The Free Software Foundation, Inc.
c1b28c63	13	#
fdb8fb96	14	# fixincludes is free software.
	15	#
	16	# You may redistribute it and/or modify it under the terms of the
	17	# GNU General Public License, as published by the Free Software
	18	# Foundation; either version 2, or (at your option) any later version.
	19	#
	20	# fixincludes is distributed in the hope that it will be useful,
	21	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	22	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	23	# See the GNU General Public License for more details.
	24	#
	25	# You should have received a copy of the GNU General Public License
	26	# along with fixincludes. See the file "COPYING". If not,
	27	# write to: The Free Software Foundation, Inc.,
	28	# 59 Temple Place - Suite 330,
	29	# Boston, MA 02111-1307, USA.
	30	#
	31	# # # # # # # # # # # # # # # # # # # # #
	32	#
	33	# Directory in which to store the results.
	34	# Fail if no arg to specify a directory for the output.
	35	if [ "x$1" = "x" ]
a98784e9	36	then
	37	echo fixincludes: no output directory specified
	38	exit 1
fdb8fb96	39	fi
	40
	41	LIB=${1}
	42	shift
	43
	44	# Make sure it exists.
	45	if [ ! -d $LIB ]; then
	46	mkdir $LIB \|\| {
	47	echo fixincludes: output dir '`'$LIB"' cannot be created"
	48	exit 1
	49	}
	50	else
b4118095	51	( cd $LIB && touch DONE && rm DONE ) \|\| {
fdb8fb96	52	echo fixincludes: output dir '`'$LIB"' is an invalid directory"
	53	exit 1
	54	}
	55	fi
	56
a98784e9	57	if test -z "$VERBOSE"
	58	then
	59	VERBOSE=2
	60	export VERBOSE
	61	else
	62	case "$VERBOSE" in
	63	[0-9] ) : ;;
	64	* ) VERBOSE=3 ;;
	65	esac
	66	fi
	67
fdb8fb96	68	# Define what target system we're fixing.
	69	#
	70	if test -r ./Makefile; then
	71	target_canonical="`sed -n -e 's,^target[ ]=[ ]\(.*\)$,\1,p' < Makefile`"
	72	fi
	73
	74	# If not from the Makefile, then try config.guess
	75	#
	76	if test -z "${target_canonical}" ; then
	77	if test -x ./config.guess ; then
	78	target_canonical="`config.guess`" ; fi
	79	test -z "${target_canonical}" && target_canonical=unknown
	80	fi
	81	export target_canonical
	82
	83	# # # # # # # # # # # # # # # # # # # # #
	84	#
	85	# Define PWDCMD as a command to use to get the working dir
	86	# in the form that we want.
	87	PWDCMD=pwd
	88
	89	case "`$PWDCMD`" in
	90	//*)
	91	# On an Apollo, discard everything before `/usr'.
	92	PWDCMD="eval pwd \| sed -e 's,.*/usr/,/usr/,'"
	93	;;
	94	esac
	95
	96	# Original directory.
	97	ORIGDIR=`${PWDCMD}`
70ba55fd	98	export ORIGDIR
09fe1d5c	99	FIXINCL=${ORIGDIR}/fixinc/fixincl
d0b6b3c6	100	if [ ! -x $FIXINCL ] ; then
	101	FIXINCL=${ORIGDIR}/fixincl
	102	if [ ! -x $FIXINCL ] ; then
	103	echo "Cannot find working fixincl" >&2
	104	exit 1
	105	fi
	106	fi
fdb8fb96	107	export FIXINCL
	108
	109	# Make LIB absolute only if needed to avoid problems with the amd.
	110	case $LIB in
	111	/*)
	112	;;
	113	*)
	114	cd $LIB; LIB=`${PWDCMD}`
	115	;;
	116	esac
	117
a98784e9	118	if test $VERBOSE -gt 0
a98784e9	119	then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
38ebab8a	120
fdb8fb96	121	# Determine whether this system has symbolic links.
70ba55fd	122	if test -n "$DJDIR"; then
	123	LINKS=false
	124	elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
fdb8fb96	125	rm -f $LIB/ShouldNotExist
	126	LINKS=true
	127	elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
	128	rm -f /tmp/ShouldNotExist
	129	LINKS=true
	130	else
	131	LINKS=false
	132	fi
38ebab8a	133
fdb8fb96	134	# # # # # # # # # # # # # # # # # # # # #
	135	#
	136	# Search each input directory for broken header files.
	137	# This loop ends near the end of the file.
	138	#
	139	if test $# -eq 0
	140	then
	141	INPUTLIST="/usr/include"
	142	else
	143	INPUTLIST="$@"
	144	fi
	145
	146	for INPUT in ${INPUTLIST} ; do
	147
	148	cd ${ORIGDIR}
	149
fa28adb8	150	# Make sure a directory exists before changing into it,
	151	# otherwise Solaris2 will fail-exit the script.
	152	#
	153	if [ ! -d ${INPUT} ]; then
	154	continue
	155	fi
	156	cd ${INPUT}
	157
38ebab8a	158	INPUT=`${PWDCMD}`
cc42f3d4	159	export INPUT
fdb8fb96	160
	161	#
	162	# # # # # # # # # # # # # # # # # # # # #
	163	#
a98784e9	164	if test $VERBOSE -gt 1
a98784e9	165	then echo Finding directories and links to directories ; fi
fdb8fb96	166
fdb8fb96	167	# Find all directories and all symlinks that point to directories.
38ebab8a	168	# Put the list in $all_dirs.
fdb8fb96	169	# Each time we find a symlink, add it to newdirs
fdb8fb96	170	# so that we do another find within the dir the link points to.
38ebab8a	171	# Note that $all_dirs may have duplicates in it;
fdb8fb96	172	# later parts of this file are supposed to ignore them.
	173	dirs="."
	174	levels=2
38ebab8a	175	all_dirs=""
	176	search_dirs=""
	177
fdb8fb96	178	while [ -n "$dirs" ] && [ $levels -gt 0 ]
fdb8fb96	179	do
38ebab8a	180	levels=`expr $levels - 1`
	181	newdirs=
	182	for d in $dirs
	183	do
a98784e9	184	if test $VERBOSE -gt 1
a98784e9	185	then echo " Searching $INPUT/$d" ; fi
38ebab8a	186
fdb8fb96	187	# Find all directories under $d, relative to $d, excluding $d itself.
fdb8fb96	188	# (The /. is needed after $d in case $d is a symlink.)
38ebab8a	189	all_dirs="$all_dirs `find $d/. -type d -print \| \
fdb8fb96	190	sed -e '/\/\.$/d' -e 's@/./@/@g'`"
	191	# Find all links to directories.
	192	# Using `-exec test -d' in find fails on some systems,
	193	# and trying to run test via sh fails on others,
	194	# so this is the simplest alternative left.
	195	# First find all the links, then test each one.
	196	theselinks=
	197	$LINKS && \
	198	theselinks=`find $d/. -type l -print \| sed -e 's@/./@/@g'`
	199	for d1 in $theselinks --dummy--
	200	do
38ebab8a	201	# If the link points to a directory,
	202	# add that dir to $newdirs
	203	if [ -d $d1 ]
	204	then
	205	all_dirs="$all_dirs $d1"
fdb8fb96	206	if [ "`ls -ld $d1 \| sed -n 's/.*-> //p'`" != "." ]
fdb8fb96	207	then
38ebab8a	208	newdirs="$newdirs $d1"
38ebab8a	209	search_dirs="$search_dirs $d1"
fdb8fb96	210	fi
38ebab8a	211	fi
fdb8fb96	212	done
38ebab8a	213	done
	214
	215	dirs="$newdirs"
fdb8fb96	216	done
38ebab8a	217
fdb8fb96	218	# # # # # # # # # # # # # # # # # # # # #
	219	#
	220	dirs=
a98784e9	221	if test $VERBOSE -gt 2
	222	then echo "All directories (including links to directories):"
	223	echo $all_dirs
	224	fi
38ebab8a	225
38ebab8a	226	for file in $all_dirs; do
fdb8fb96	227	rm -rf $LIB/$file
	228	if [ ! -d $LIB/$file ]
	229	then mkdir $LIB/$file
	230	fi
	231	done
	232	mkdir $LIB/root
38ebab8a	233
fdb8fb96	234	# # # # # # # # # # # # # # # # # # # # #
	235	#
	236	# treetops gets an alternating list
	237	# of old directories to copy
	238	# and the new directories to copy to.
38ebab8a	239	treetops=". ${LIB}"
38ebab8a	240
fdb8fb96	241	if $LINKS; then
a98784e9	242	if test $VERBOSE -gt 1
a98784e9	243	then echo 'Making symbolic directory links' ; fi
38ebab8a	244	cwd=`${PWDCMD}`
	245
	246	for sym_link in $search_dirs; do
	247	cd ${INPUT}
	248	dest=`ls -ld ${sym_link} \| sed -n 's/.*-> //p'`
	249
	250	# In case $dest is relative, get to ${sym_link}'s dir first.
	251	#
	252	cd ./`echo ${sym_link} \| sed 's;/[^/]*$;;'`
	253
	254	# Check that the target directory exists.
	255	# Redirections changed to avoid bug in sh on Ultrix.
	256	#
	257	(cd $dest) > /dev/null 2>&1
	258	if [ $? = 0 ]; then
	259	cd $dest
	260
	261	# full_dest_dir gets the dir that the link actually leads to.
	262	#
	263	full_dest_dir=`${PWDCMD}`
	264
	265	# Canonicalize ${INPUT} now to minimize the time an
	266	# automounter has to change the result of ${PWDCMD}.
	267	#
	268	cinput=`cd ${INPUT}; ${PWDCMD}`
	269
	270	# If a link points to ., make a similar link to .
	271	#
	272	if [ ${full_dest_dir} = ${cinput} ]; then
a98784e9	273	if test $VERBOSE -gt 2
a98784e9	274	then echo ${sym_link} '->' . ': Making self link' ; fi
38ebab8a	275	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	276	ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
	277
	278	# If link leads back into ${INPUT},
	279	# make a similar link here.
	280	#
	281	elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
	282	# Y gets the actual target dir name, relative to ${INPUT}.
	283	y=`echo ${full_dest_dir} \| sed -n "s&${cinput}/&&p"`
	284	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	285	dots=`echo "${sym_link}" \|
	286	sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
a98784e9	287	if test $VERBOSE -gt 2
a98784e9	288	then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
38ebab8a	289	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	290	ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
	291
fdb8fb96	292	else
38ebab8a	293	# If the link is to a dir $target outside ${INPUT},
	294	# repoint the link at ${INPUT}/root$target
	295	# and process $target into ${INPUT}/root$target
	296	# treat this directory as if it actually contained the files.
	297	#
a98784e9	298	if test $VERBOSE -gt 2
	299	then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
	300	fi
38ebab8a	301	if [ -d $LIB/root${full_dest_dir} ]
fdb8fb96	302	then true
fdb8fb96	303	else
38ebab8a	304	dirname=root${full_dest_dir}/
	305	dirmade=.
	306	cd $LIB
	307	while [ x$dirname != x ]; do
	308	component=`echo $dirname \| sed -e 's\|/.*$\|\|'`
	309	mkdir $component >/dev/null 2>&1
	310	cd $component
	311	dirmade=$dirmade/$component
	312	dirname=`echo $dirname \| sed -e 's\|[^/]*/\|\|'`
fdb8fb96	313	done
38ebab8a	314	fi
	315
	316	# Duplicate directory structure created in ${LIB}/${sym_link} in new
	317	# root area.
	318	#
	319	for file2 in $all_dirs; do
	320	case $file2 in
	321	${sym_link}/*)
	322	dupdir=${LIB}/root${full_dest_dir}/`echo $file2 \|
	323	sed -n "s\|^${sym_link}/\|\|p"`
a98784e9	324	if test $VERBOSE -gt 2
a98784e9	325	then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
38ebab8a	326	if [ -d ${dupdir} ]
	327	then true
	328	else
	329	mkdir ${dupdir}
	330	fi
	331	;;
	332	*)
	333	;;
	334	esac
	335	done
	336
	337	# Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
	338	#
	339	parent=`echo "${sym_link}" \| sed -e 's@/[^/]*$@@'`
	340	libabs=`cd ${LIB}; ${PWDCMD}`
	341	file2=`cd ${LIB}; cd $parent; ${PWDCMD} \| sed -e "s@^${libabs}@@"`
	342
	343	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	344	#
	345	dots=`echo "$file2" \| sed -e 's@/[^/]*@../@g'`
	346	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	347	ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
	348	treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
fdb8fb96	349	fi
fdb8fb96	350	fi
	351	done
	352	fi
38ebab8a	353
fdb8fb96	354	# # # # # # # # # # # # # # # # # # # # #
	355	#
	356	required=
	357	set x $treetops
	358	shift
	359	while [ $# != 0 ]; do
	360	# $1 is an old directory to copy, and $2 is the new directory to copy to.
	361	#
	362	SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
	363	export SRCDIR
38ebab8a	364
	365	FIND_BASE=$1
	366	export FIND_BASE
fdb8fb96	367	shift
	368
	369	DESTDIR=`cd $1;${PWDCMD}`
	370	export DESTDIR
	371	shift
	372
	373	# The same dir can appear more than once in treetops.
	374	# There's no need to scan it more than once.
	375	#
	376	if [ -f ${DESTDIR}/DONE ]
	377	then continue ; fi
	378
	379	touch ${DESTDIR}/DONE
a98784e9	380	if test $VERBOSE -gt 1
a98784e9	381	then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
fdb8fb96	382
38ebab8a	383	# Check files which are symlinks as well as those which are files.
fdb8fb96	384	#
38ebab8a	385	cd ${INPUT}
fdb8fb96	386	required="$required `if $LINKS; then
c1b28c63	387	find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
fdb8fb96	388	else
c1b28c63	389	find ${FIND_BASE}/. -name '*.h' -type f -print
38ebab8a	390	fi \| \
b4136341	391	sed -e 's;/\./;/;g' -e 's;//*;/;g' \| \
38ebab8a	392	${FIXINCL}`"
fdb8fb96	393	done
	394
	395	## Make sure that any include files referenced using double quotes
	396	## exist in the fixed directory. This comes last since otherwise
	397	## we might end up deleting some of these files "because they don't
	398	## need any change."
	399	set x `echo $required`
	400	shift
	401	while [ $# != 0 ]; do
	402	newreq=
	403	while [ $# != 0 ]; do
	404	# $1 is the directory to copy from,
	405	# $2 is the unfixed file,
	406	# $3 is the fixed file name.
	407	#
	408	cd ${INPUT}
	409	cd $1
6bd06916	410	if [ -f $2 ] ; then
	411	if [ -r $2 ] && [ ! -r $3 ]; then
	412	cp $2 $3 >/dev/null 2>&1 \|\| echo "Can't copy $2" >&2
	413	chmod +w $3 2>/dev/null
	414	chmod a+r $3 2>/dev/null
a98784e9	415	if test $VERBOSE -gt 2
a98784e9	416	then echo Copied $2 ; fi
6bd06916	417	for include in `egrep '^[ ]#[ ]include[ ]*"[^/]' $3 \|
fdb8fb96	418	sed -e 's/^[ ]#[ ]include[ ]"\([^"]\)".*$/\1/'`
6bd06916	419	do
	420	dir=`echo $2 \| sed -e s'\|/[^/]*$\|\|'`
	421	dir2=`echo $3 \| sed -e s'\|/[^/]*$\|\|'`
	422	newreq="$newreq $1 $dir/$include $dir2/$include"
	423	done
	424	fi
fdb8fb96	425	fi
	426	shift; shift; shift
	427	done
	428	set x $newreq
	429	shift
	430	done
	431
a98784e9	432	if test $VERBOSE -gt 2
a98784e9	433	then echo 'Cleaning up DONE files.' ; fi
fdb8fb96	434	cd $LIB
70ba55fd	435	# Look for files case-insensitively, for the benefit of
	436	# DOS/Windows filesystems.
	437	find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
fdb8fb96	438
a98784e9	439	if test $VERBOSE -gt 1
a98784e9	440	then echo 'Cleaning up unneeded directories:' ; fi
fdb8fb96	441	cd $LIB
0f5d49d3	442	all_dirs=`find . -type d \! -name '.' -print \| sort -r`
38ebab8a	443	for file in $all_dirs; do
90cca551	444	if rmdir $LIB/$file > /dev/null
	445	then
	446	test $VERBOSE -gt 3 && echo " removed $file"
	447	fi
	448	done 2> /dev/null
	449
70ba55fd	450	# On systems which don't support symlinks, `find' may barf
	451	# if called with "-type l" predicate. So only use that if
	452	# we know we should look for symlinks.
	453	if $LINKS; then
	454	test $VERBOSE -gt 2 && echo "Removing unused symlinks"
90cca551	455
70ba55fd	456	all_dirs=`find . -type l -print`
	457	for file in $all_dirs
	458	do
5fd70b95	459	if test ! -d $file
	460	then
	461	rm -f $file
	462	test $VERBOSE -gt 3 && echo " removed $file"
	463	rmdir `dirname $file` > /dev/null && \
70ba55fd	464	test $VERBOSE -gt 3 && \
	465	echo " removed `dirname $file`"
	466	fi
	467	done 2> /dev/null
	468	fi
fdb8fb96	469
a98784e9	470	if test $VERBOSE -gt 0
	471	then echo fixincludes is done ; fi
	472
fdb8fb96	473	# # # # # # # # # # # # # # # # # # # # #
	474	#
	475	# End of for INPUT directories
	476	#
	477	done
	478	#
	479	# # # # # # # # # # # # # # # # # # # # #