[thirdparty/gcc.git] / fixincludes / fixinc.in

#!/bin/sh
#
# 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 GCC will search.
#
# See README-fixinc for more information.
#
#  fixincludes copyright (c) 1998, 1999, 2000, 2002
#  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.,
#            51 Franklin Street, Fifth Floor,
#            Boston,  MA  02110-1301, USA.
#
# # # # # # # # # # # # # # # # # # # # #

# Usage: fixinc.sh output-dir input-dir
#
# 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=${PWDCMD-pwd}

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

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

# # # # # # # # # # # # # # # # # # # # #
#
#  In the file macro_list are listed all the predefined
#  macros that are not in the C89 reserved namespace (the reserved
#  namespace is all identifiers beginnning with two underscores or one
#  underscore followed by a capital letter).  A regular expression to find
#  any of those macros in a header file is written to MN_NAME_PAT.
#
#  Note dependency on ASCII. \012 = newline.
#  tr ' ' '\n' is, alas, not portable.

if test -s ${MACRO_LIST}
then
  if test $VERBOSE -gt 0; then
    echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
  fi
  MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
      < ${MACRO_LIST} | tr -d '\012'`"
  export MN_NAME_PAT
else
  if test $VERBOSE -gt 0
  then echo "No forbidden identifiers defined by this target" ; fi
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	#
fdb8fb96	3	# Install modified versions of certain ANSI-incompatible system header
fdb8fb96	4	# files which are fixed to work correctly with ANSI C and placed in a
6c9e62de	5	# directory that GCC will search.
fdb8fb96	6	#
fdb8fb96	7	# See README-fixinc for more information.
fdb8fb96	8	#
3354d061	9	# fixincludes copyright (c) 1998, 1999, 2000, 2002
d4c4b01d	10	# The Free Software Foundation, Inc.
c1b28c63	11	#
fdb8fb96	12	# fixincludes is free software.
	13	#
	14	# You may redistribute it and/or modify it under the terms of the
	15	# GNU General Public License, as published by the Free Software
	16	# Foundation; either version 2, or (at your option) any later version.
	17	#
	18	# fixincludes is distributed in the hope that it will be useful,
	19	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	21	# See the GNU General Public License for more details.
	22	#
	23	# You should have received a copy of the GNU General Public License
	24	# along with fixincludes. See the file "COPYING". If not,
	25	# write to: The Free Software Foundation, Inc.,
89630697	26	# 51 Franklin Street, Fifth Floor,
89630697	27	# Boston, MA 02110-1301, USA.
fdb8fb96	28	#
fdb8fb96	29	# # # # # # # # # # # # # # # # # # # # #
6c9e62de	30
2b59cb05	31	# Usage: fixinc.sh output-dir input-dir
fdb8fb96	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 "${target_canonical}" && target_canonical=unknown
	80	fi
	81	export target_canonical
	82
	83	# # # # # # # # # # # # # # # # # # # # #
	84	#
	85	# Define PWDCMD as a command to use to get the working dir
	86	# in the form that we want.
3354d061	87	PWDCMD=${PWDCMD-pwd}
fdb8fb96	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
50e7e370	99	FIXINCL=`${PWDCMD}`/fixincl
d0b6b3c6	100	if [ ! -x $FIXINCL ] ; then
50e7e370	101	echo "Cannot find fixincl" >&2
2b59cb05	102	exit 1
d0b6b3c6	103	fi
fdb8fb96	104	export FIXINCL
	105
	106	# Make LIB absolute only if needed to avoid problems with the amd.
	107	case $LIB in
	108	/*)
	109	;;
	110	*)
	111	cd $LIB; LIB=`${PWDCMD}`
	112	;;
	113	esac
	114
a98784e9	115	if test $VERBOSE -gt 0
a98784e9	116	then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
38ebab8a	117
fdb8fb96	118	# Determine whether this system has symbolic links.
70ba55fd	119	if test -n "$DJDIR"; then
	120	LINKS=false
	121	elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
fdb8fb96	122	rm -f $LIB/ShouldNotExist
	123	LINKS=true
	124	elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
	125	rm -f /tmp/ShouldNotExist
	126	LINKS=true
	127	else
	128	LINKS=false
	129	fi
38ebab8a	130
31b04dee	131	# # # # # # # # # # # # # # # # # # # # #
31b04dee	132	#
50e7e370	133	# In the file macro_list are listed all the predefined
31b04dee	134	# macros that are not in the C89 reserved namespace (the reserved
50e7e370	135	# namespace is all identifiers beginnning with two underscores or one
	136	# underscore followed by a capital letter). A regular expression to find
	137	# any of those macros in a header file is written to MN_NAME_PAT.
31b04dee	138	#
	139	# Note dependency on ASCII. \012 = newline.
	140	# tr ' ' '\n' is, alas, not portable.
	141
50e7e370	142	if test -s ${MACRO_LIST}
31b04dee	143	then
50e7e370	144	if test $VERBOSE -gt 0; then
	145	echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
	146	fi
	147	MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/\|/' \
	148	< ${MACRO_LIST} \| tr -d '\012'`"
31b04dee	149	export MN_NAME_PAT
	150	else
	151	if test $VERBOSE -gt 0
	152	then echo "No forbidden identifiers defined by this target" ; fi
	153	fi
31b04dee	154
fdb8fb96	155	# # # # # # # # # # # # # # # # # # # # #
	156	#
	157	# Search each input directory for broken header files.
	158	# This loop ends near the end of the file.
	159	#
	160	if test $# -eq 0
	161	then
	162	INPUTLIST="/usr/include"
	163	else
	164	INPUTLIST="$@"
	165	fi
	166
	167	for INPUT in ${INPUTLIST} ; do
	168
	169	cd ${ORIGDIR}
	170
fa28adb8	171	# Make sure a directory exists before changing into it,
	172	# otherwise Solaris2 will fail-exit the script.
	173	#
	174	if [ ! -d ${INPUT} ]; then
	175	continue
	176	fi
	177	cd ${INPUT}
	178
38ebab8a	179	INPUT=`${PWDCMD}`
cc42f3d4	180	export INPUT
fdb8fb96	181
	182	#
	183	# # # # # # # # # # # # # # # # # # # # #
	184	#
a98784e9	185	if test $VERBOSE -gt 1
a98784e9	186	then echo Finding directories and links to directories ; fi
fdb8fb96	187
fdb8fb96	188	# Find all directories and all symlinks that point to directories.
38ebab8a	189	# Put the list in $all_dirs.
fdb8fb96	190	# Each time we find a symlink, add it to newdirs
fdb8fb96	191	# so that we do another find within the dir the link points to.
38ebab8a	192	# Note that $all_dirs may have duplicates in it;
fdb8fb96	193	# later parts of this file are supposed to ignore them.
	194	dirs="."
	195	levels=2
38ebab8a	196	all_dirs=""
	197	search_dirs=""
	198
fdb8fb96	199	while [ -n "$dirs" ] && [ $levels -gt 0 ]
fdb8fb96	200	do
38ebab8a	201	levels=`expr $levels - 1`
	202	newdirs=
	203	for d in $dirs
	204	do
a98784e9	205	if test $VERBOSE -gt 1
a98784e9	206	then echo " Searching $INPUT/$d" ; fi
38ebab8a	207
fdb8fb96	208	# Find all directories under $d, relative to $d, excluding $d itself.
fdb8fb96	209	# (The /. is needed after $d in case $d is a symlink.)
38ebab8a	210	all_dirs="$all_dirs `find $d/. -type d -print \| \
fdb8fb96	211	sed -e '/\/\.$/d' -e 's@/./@/@g'`"
	212	# Find all links to directories.
	213	# Using `-exec test -d' in find fails on some systems,
	214	# and trying to run test via sh fails on others,
	215	# so this is the simplest alternative left.
	216	# First find all the links, then test each one.
	217	theselinks=
	218	$LINKS && \
	219	theselinks=`find $d/. -type l -print \| sed -e 's@/./@/@g'`
	220	for d1 in $theselinks --dummy--
	221	do
38ebab8a	222	# If the link points to a directory,
	223	# add that dir to $newdirs
	224	if [ -d $d1 ]
	225	then
	226	all_dirs="$all_dirs $d1"
fdb8fb96	227	if [ "`ls -ld $d1 \| sed -n 's/.*-> //p'`" != "." ]
fdb8fb96	228	then
38ebab8a	229	newdirs="$newdirs $d1"
38ebab8a	230	search_dirs="$search_dirs $d1"
fdb8fb96	231	fi
38ebab8a	232	fi
fdb8fb96	233	done
38ebab8a	234	done
	235
	236	dirs="$newdirs"
fdb8fb96	237	done
38ebab8a	238
fdb8fb96	239	# # # # # # # # # # # # # # # # # # # # #
	240	#
	241	dirs=
a98784e9	242	if test $VERBOSE -gt 2
	243	then echo "All directories (including links to directories):"
	244	echo $all_dirs
	245	fi
38ebab8a	246
38ebab8a	247	for file in $all_dirs; do
fdb8fb96	248	rm -rf $LIB/$file
	249	if [ ! -d $LIB/$file ]
	250	then mkdir $LIB/$file
	251	fi
	252	done
	253	mkdir $LIB/root
38ebab8a	254
fdb8fb96	255	# # # # # # # # # # # # # # # # # # # # #
	256	#
	257	# treetops gets an alternating list
	258	# of old directories to copy
	259	# and the new directories to copy to.
38ebab8a	260	treetops=". ${LIB}"
38ebab8a	261
fdb8fb96	262	if $LINKS; then
a98784e9	263	if test $VERBOSE -gt 1
a98784e9	264	then echo 'Making symbolic directory links' ; fi
38ebab8a	265	cwd=`${PWDCMD}`
	266
	267	for sym_link in $search_dirs; do
	268	cd ${INPUT}
	269	dest=`ls -ld ${sym_link} \| sed -n 's/.*-> //p'`
	270
	271	# In case $dest is relative, get to ${sym_link}'s dir first.
	272	#
	273	cd ./`echo ${sym_link} \| sed 's;/[^/]*$;;'`
	274
	275	# Check that the target directory exists.
	276	# Redirections changed to avoid bug in sh on Ultrix.
	277	#
	278	(cd $dest) > /dev/null 2>&1
	279	if [ $? = 0 ]; then
	280	cd $dest
	281
	282	# full_dest_dir gets the dir that the link actually leads to.
	283	#
	284	full_dest_dir=`${PWDCMD}`
	285
	286	# Canonicalize ${INPUT} now to minimize the time an
	287	# automounter has to change the result of ${PWDCMD}.
	288	#
	289	cinput=`cd ${INPUT}; ${PWDCMD}`
	290
	291	# If a link points to ., make a similar link to .
	292	#
	293	if [ ${full_dest_dir} = ${cinput} ]; then
a98784e9	294	if test $VERBOSE -gt 2
a98784e9	295	then echo ${sym_link} '->' . ': Making self link' ; fi
38ebab8a	296	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	297	ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
	298
	299	# If link leads back into ${INPUT},
	300	# make a similar link here.
	301	#
	302	elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
	303	# Y gets the actual target dir name, relative to ${INPUT}.
	304	y=`echo ${full_dest_dir} \| sed -n "s&${cinput}/&&p"`
	305	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	306	dots=`echo "${sym_link}" \|
	307	sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
a98784e9	308	if test $VERBOSE -gt 2
a98784e9	309	then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
38ebab8a	310	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	311	ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
	312
fdb8fb96	313	else
38ebab8a	314	# If the link is to a dir $target outside ${INPUT},
	315	# repoint the link at ${INPUT}/root$target
	316	# and process $target into ${INPUT}/root$target
	317	# treat this directory as if it actually contained the files.
	318	#
a98784e9	319	if test $VERBOSE -gt 2
	320	then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
	321	fi
38ebab8a	322	if [ -d $LIB/root${full_dest_dir} ]
fdb8fb96	323	then true
fdb8fb96	324	else
38ebab8a	325	dirname=root${full_dest_dir}/
	326	dirmade=.
	327	cd $LIB
	328	while [ x$dirname != x ]; do
	329	component=`echo $dirname \| sed -e 's\|/.*$\|\|'`
	330	mkdir $component >/dev/null 2>&1
	331	cd $component
	332	dirmade=$dirmade/$component
	333	dirname=`echo $dirname \| sed -e 's\|[^/]*/\|\|'`
fdb8fb96	334	done
38ebab8a	335	fi
	336
	337	# Duplicate directory structure created in ${LIB}/${sym_link} in new
	338	# root area.
	339	#
	340	for file2 in $all_dirs; do
	341	case $file2 in
	342	${sym_link}/*)
	343	dupdir=${LIB}/root${full_dest_dir}/`echo $file2 \|
	344	sed -n "s\|^${sym_link}/\|\|p"`
a98784e9	345	if test $VERBOSE -gt 2
a98784e9	346	then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
38ebab8a	347	if [ -d ${dupdir} ]
	348	then true
	349	else
	350	mkdir ${dupdir}
	351	fi
	352	;;
	353	*)
	354	;;
	355	esac
	356	done
	357
	358	# Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
	359	#
	360	parent=`echo "${sym_link}" \| sed -e 's@/[^/]*$@@'`
	361	libabs=`cd ${LIB}; ${PWDCMD}`
	362	file2=`cd ${LIB}; cd $parent; ${PWDCMD} \| sed -e "s@^${libabs}@@"`
	363
	364	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	365	#
	366	dots=`echo "$file2" \| sed -e 's@/[^/]*@../@g'`
	367	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	368	ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
	369	treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
fdb8fb96	370	fi
fdb8fb96	371	fi
	372	done
	373	fi
38ebab8a	374
fdb8fb96	375	# # # # # # # # # # # # # # # # # # # # #
	376	#
	377	required=
	378	set x $treetops
	379	shift
	380	while [ $# != 0 ]; do
	381	# $1 is an old directory to copy, and $2 is the new directory to copy to.
	382	#
	383	SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
	384	export SRCDIR
38ebab8a	385
	386	FIND_BASE=$1
	387	export FIND_BASE
fdb8fb96	388	shift
	389
	390	DESTDIR=`cd $1;${PWDCMD}`
	391	export DESTDIR
	392	shift
	393
	394	# The same dir can appear more than once in treetops.
	395	# There's no need to scan it more than once.
	396	#
	397	if [ -f ${DESTDIR}/DONE ]
	398	then continue ; fi
	399
	400	touch ${DESTDIR}/DONE
a98784e9	401	if test $VERBOSE -gt 1
a98784e9	402	then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
fdb8fb96	403
38ebab8a	404	# Check files which are symlinks as well as those which are files.
fdb8fb96	405	#
38ebab8a	406	cd ${INPUT}
fdb8fb96	407	required="$required `if $LINKS; then
c1b28c63	408	find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
fdb8fb96	409	else
c1b28c63	410	find ${FIND_BASE}/. -name '*.h' -type f -print
38ebab8a	411	fi \| \
b4136341	412	sed -e 's;/\./;/;g' -e 's;//*;/;g' \| \
38ebab8a	413	${FIXINCL}`"
fdb8fb96	414	done
	415
	416	## Make sure that any include files referenced using double quotes
	417	## exist in the fixed directory. This comes last since otherwise
	418	## we might end up deleting some of these files "because they don't
	419	## need any change."
	420	set x `echo $required`
	421	shift
	422	while [ $# != 0 ]; do
	423	newreq=
	424	while [ $# != 0 ]; do
	425	# $1 is the directory to copy from,
	426	# $2 is the unfixed file,
	427	# $3 is the fixed file name.
	428	#
	429	cd ${INPUT}
	430	cd $1
6bd06916	431	if [ -f $2 ] ; then
	432	if [ -r $2 ] && [ ! -r $3 ]; then
	433	cp $2 $3 >/dev/null 2>&1 \|\| echo "Can't copy $2" >&2
	434	chmod +w $3 2>/dev/null
	435	chmod a+r $3 2>/dev/null
a98784e9	436	if test $VERBOSE -gt 2
a98784e9	437	then echo Copied $2 ; fi
6bd06916	438	for include in `egrep '^[ ]#[ ]include[ ]*"[^/]' $3 \|
fdb8fb96	439	sed -e 's/^[ ]#[ ]include[ ]"\([^"]\)".*$/\1/'`
6bd06916	440	do
	441	dir=`echo $2 \| sed -e s'\|/[^/]*$\|\|'`
	442	dir2=`echo $3 \| sed -e s'\|/[^/]*$\|\|'`
	443	newreq="$newreq $1 $dir/$include $dir2/$include"
	444	done
	445	fi
fdb8fb96	446	fi
	447	shift; shift; shift
	448	done
	449	set x $newreq
	450	shift
	451	done
	452
a98784e9	453	if test $VERBOSE -gt 2
a98784e9	454	then echo 'Cleaning up DONE files.' ; fi
fdb8fb96	455	cd $LIB
70ba55fd	456	# Look for files case-insensitively, for the benefit of
	457	# DOS/Windows filesystems.
	458	find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
fdb8fb96	459
a98784e9	460	if test $VERBOSE -gt 1
a98784e9	461	then echo 'Cleaning up unneeded directories:' ; fi
fdb8fb96	462	cd $LIB
0f5d49d3	463	all_dirs=`find . -type d \! -name '.' -print \| sort -r`
38ebab8a	464	for file in $all_dirs; do
90cca551	465	if rmdir $LIB/$file > /dev/null
	466	then
	467	test $VERBOSE -gt 3 && echo " removed $file"
	468	fi
	469	done 2> /dev/null
	470
70ba55fd	471	# On systems which don't support symlinks, `find' may barf
	472	# if called with "-type l" predicate. So only use that if
	473	# we know we should look for symlinks.
	474	if $LINKS; then
	475	test $VERBOSE -gt 2 && echo "Removing unused symlinks"
90cca551	476
70ba55fd	477	all_dirs=`find . -type l -print`
	478	for file in $all_dirs
	479	do
5fd70b95	480	if test ! -d $file
	481	then
	482	rm -f $file
	483	test $VERBOSE -gt 3 && echo " removed $file"
	484	rmdir `dirname $file` > /dev/null && \
70ba55fd	485	test $VERBOSE -gt 3 && \
	486	echo " removed `dirname $file`"
	487	fi
	488	done 2> /dev/null
	489	fi
fdb8fb96	490
a98784e9	491	if test $VERBOSE -gt 0
	492	then echo fixincludes is done ; fi
	493
fdb8fb96	494	# # # # # # # # # # # # # # # # # # # # #
	495	#
	496	# End of for INPUT directories
	497	#
	498	done
	499	#
	500	# # # # # # # # # # # # # # # # # # # # #