[thirdparty/gcc.git] / gcc / 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.,
#            59 Temple Place - Suite 330,
#            Boston,  MA  02111-1307, 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="@FIXINCL@"
if [ ! -x $FIXINCL ] ; then
  echo "Cannot find working 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

# # # # # # # # # # # # # # # # # # # # #
#
#  Extract from the gcc -dM and from the specs file 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).  The specs file is in
#  ${ORIGDIR}, as is cc1.  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.

echo | ${ORIGDIR}/cc1 -quiet -dM -E - |
  sed -n 's/^#define \([a-zA-Z][a-zA-Z0-9_]*\).*/\1/p' > mn.T
tr -s '\040\011' '\012\012' < ${ORIGDIR}/specs |
  sed -n 's/^.*-D\([a-zA-Z_][a-zA-Z0-9_]*\).*/\1/p' >> mn.T

if sort -u mn.T | grep -v '^_[_A-Z]' > mn.U
then
  if test $VERBOSE -gt 0
  then echo "Forbidden identifiers: `tr '\012' ' ' <mn.U`" ; fi
  sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' < mn.U | tr -d '\012' > mn.V
  MN_NAME_PAT="`cat mn.V`"
  export MN_NAME_PAT
else
  if test $VERBOSE -gt 0
  then echo "No forbidden identifiers defined by this target" ; fi
fi
rm -f mn.[TUV]

# # # # # # # # # # # # # # # # # # # # #
#
#  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
06bbab1b BK	1	#!/bin/sh
06bbab1b BK	2	#
06bbab1b BK	3	# Install modified versions of certain ANSI-incompatible system header
06bbab1b BK	4	# files which are fixed to work correctly with ANSI C and placed in a
447673de	5	# directory that GCC will search.
06bbab1b	6	#
06bbab1b BK	7	# See README-fixinc for more information.
06bbab1b BK	8	#
1e6347d8	9	# fixincludes copyright (c) 1998, 1999, 2000, 2002
3be1fb72	10	# The Free Software Foundation, Inc.
be02fa1a	11	#
06bbab1b BK	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.,
	26	# 59 Temple Place - Suite 330,
	27	# Boston, MA 02111-1307, USA.
	28	#
	29	# # # # # # # # # # # # # # # # # # # # #
447673de	30
71b5d516	31	# Usage: fixinc.sh output-dir input-dir
06bbab1b BK	32	#
	33	# Directory in which to store the results.
	34	# Fail if no arg to specify a directory for the output.
	35	if [ "x$1" = "x" ]
87ad679b BK	36	then
	37	echo fixincludes: no output directory specified
	38	exit 1
06bbab1b BK	39	fi
	40
	41	LIB=${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
1912ba9d	51	( cd $LIB && touch DONE && rm DONE ) \|\| {
06bbab1b BK	52	echo fixincludes: output dir '`'$LIB"' is an invalid directory"
	53	exit 1
	54	}
	55	fi
	56
87ad679b BK	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
06bbab1b BK	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 "${target_canonical}" && target_canonical=unknown
	80	fi
	81	export target_canonical
	82
	83	# # # # # # # # # # # # # # # # # # # # #
	84	#
	85	# Define PWDCMD as a command to use to get the working dir
	86	# in the form that we want.
1e6347d8	87	PWDCMD=${PWDCMD-pwd}
06bbab1b BK	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}`
62a99405	98	export ORIGDIR
71b5d516	99	FIXINCL="@FIXINCL@"
b3eddcee	100	if [ ! -x $FIXINCL ] ; then
71b5d516 PB	101	echo "Cannot find working fixincl" >&2
71b5d516 PB	102	exit 1
b3eddcee	103	fi
06bbab1b BK	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
87ad679b BK	115	if test $VERBOSE -gt 0
87ad679b BK	116	then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
48bd9529	117
06bbab1b	118	# Determine whether this system has symbolic links.
62a99405 BK	119	if test -n "$DJDIR"; then
	120	LINKS=false
	121	elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
06bbab1b BK	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
48bd9529	130
89b8abbf PB	131	# # # # # # # # # # # # # # # # # # # # #
	132	#
	133	# Extract from the gcc -dM and from the specs file all the predefined
	134	# macros that are not in the C89 reserved namespace (the reserved
	135	# namespace is all identifiers beginnning with two underscores or one
	136	# underscore followed by a capital letter). The specs file is in
	137	# ${ORIGDIR}, as is cc1. A regular expression to find any of those
	138	# macros in a header file is written to MN_NAME_PAT.
	139	#
	140	# Note dependency on ASCII. \012 = newline.
	141	# tr ' ' '\n' is, alas, not portable.
	142
	143	echo \| ${ORIGDIR}/cc1 -quiet -dM -E - \|
	144	sed -n 's/^#define \([a-zA-Z][a-zA-Z0-9_]\)./\1/p' > mn.T
	145	tr -s '\040\011' '\012\012' < ${ORIGDIR}/specs \|
	146	sed -n 's/^.-D\([a-zA-Z_][a-zA-Z0-9_]\).*/\1/p' >> mn.T
	147
	148	if sort -u mn.T \| grep -v '^_[_A-Z]' > mn.U
	149	then
	150	if test $VERBOSE -gt 0
	151	then echo "Forbidden identifiers: `tr '\012' ' ' <mn.U`" ; fi
	152	sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/\|/' < mn.U \| tr -d '\012' > mn.V
	153	MN_NAME_PAT="`cat mn.V`"
	154	export MN_NAME_PAT
	155	else
	156	if test $VERBOSE -gt 0
	157	then echo "No forbidden identifiers defined by this target" ; fi
	158	fi
	159	rm -f mn.[TUV]
	160
06bbab1b BK	161	# # # # # # # # # # # # # # # # # # # # #
	162	#
	163	# Search each input directory for broken header files.
	164	# This loop ends near the end of the file.
	165	#
	166	if test $# -eq 0
	167	then
	168	INPUTLIST="/usr/include"
	169	else
	170	INPUTLIST="$@"
	171	fi
	172
	173	for INPUT in ${INPUTLIST} ; do
	174
	175	cd ${ORIGDIR}
	176
5787d8da JW	177	# Make sure a directory exists before changing into it,
	178	# otherwise Solaris2 will fail-exit the script.
	179	#
	180	if [ ! -d ${INPUT} ]; then
	181	continue
	182	fi
	183	cd ${INPUT}
	184
48bd9529	185	INPUT=`${PWDCMD}`
e02ecf39	186	export INPUT
06bbab1b BK	187
	188	#
	189	# # # # # # # # # # # # # # # # # # # # #
	190	#
87ad679b BK	191	if test $VERBOSE -gt 1
87ad679b BK	192	then echo Finding directories and links to directories ; fi
06bbab1b BK	193
06bbab1b BK	194	# Find all directories and all symlinks that point to directories.
48bd9529	195	# Put the list in $all_dirs.
06bbab1b BK	196	# Each time we find a symlink, add it to newdirs
06bbab1b BK	197	# so that we do another find within the dir the link points to.
48bd9529	198	# Note that $all_dirs may have duplicates in it;
06bbab1b BK	199	# later parts of this file are supposed to ignore them.
	200	dirs="."
	201	levels=2
48bd9529 BK	202	all_dirs=""
	203	search_dirs=""
	204
06bbab1b BK	205	while [ -n "$dirs" ] && [ $levels -gt 0 ]
06bbab1b BK	206	do
48bd9529 BK	207	levels=`expr $levels - 1`
	208	newdirs=
	209	for d in $dirs
	210	do
87ad679b BK	211	if test $VERBOSE -gt 1
87ad679b BK	212	then echo " Searching $INPUT/$d" ; fi
48bd9529	213
06bbab1b BK	214	# Find all directories under $d, relative to $d, excluding $d itself.
06bbab1b BK	215	# (The /. is needed after $d in case $d is a symlink.)
48bd9529	216	all_dirs="$all_dirs `find $d/. -type d -print \| \
06bbab1b BK	217	sed -e '/\/\.$/d' -e 's@/./@/@g'`"
	218	# Find all links to directories.
	219	# Using `-exec test -d' in find fails on some systems,
	220	# and trying to run test via sh fails on others,
	221	# so this is the simplest alternative left.
	222	# First find all the links, then test each one.
	223	theselinks=
	224	$LINKS && \
	225	theselinks=`find $d/. -type l -print \| sed -e 's@/./@/@g'`
	226	for d1 in $theselinks --dummy--
	227	do
48bd9529 BK	228	# If the link points to a directory,
	229	# add that dir to $newdirs
	230	if [ -d $d1 ]
	231	then
	232	all_dirs="$all_dirs $d1"
06bbab1b BK	233	if [ "`ls -ld $d1 \| sed -n 's/.*-> //p'`" != "." ]
06bbab1b BK	234	then
48bd9529 BK	235	newdirs="$newdirs $d1"
48bd9529 BK	236	search_dirs="$search_dirs $d1"
06bbab1b	237	fi
48bd9529	238	fi
06bbab1b	239	done
48bd9529 BK	240	done
	241
	242	dirs="$newdirs"
06bbab1b	243	done
48bd9529	244
06bbab1b BK	245	# # # # # # # # # # # # # # # # # # # # #
	246	#
	247	dirs=
87ad679b BK	248	if test $VERBOSE -gt 2
	249	then echo "All directories (including links to directories):"
	250	echo $all_dirs
	251	fi
48bd9529 BK	252
48bd9529 BK	253	for file in $all_dirs; do
06bbab1b BK	254	rm -rf $LIB/$file
	255	if [ ! -d $LIB/$file ]
	256	then mkdir $LIB/$file
	257	fi
	258	done
	259	mkdir $LIB/root
48bd9529	260
06bbab1b BK	261	# # # # # # # # # # # # # # # # # # # # #
	262	#
	263	# treetops gets an alternating list
	264	# of old directories to copy
	265	# and the new directories to copy to.
48bd9529 BK	266	treetops=". ${LIB}"
48bd9529 BK	267
06bbab1b	268	if $LINKS; then
87ad679b BK	269	if test $VERBOSE -gt 1
87ad679b BK	270	then echo 'Making symbolic directory links' ; fi
48bd9529 BK	271	cwd=`${PWDCMD}`
	272
	273	for sym_link in $search_dirs; do
	274	cd ${INPUT}
	275	dest=`ls -ld ${sym_link} \| sed -n 's/.*-> //p'`
	276
	277	# In case $dest is relative, get to ${sym_link}'s dir first.
	278	#
	279	cd ./`echo ${sym_link} \| sed 's;/[^/]*$;;'`
	280
	281	# Check that the target directory exists.
	282	# Redirections changed to avoid bug in sh on Ultrix.
	283	#
	284	(cd $dest) > /dev/null 2>&1
	285	if [ $? = 0 ]; then
	286	cd $dest
	287
	288	# full_dest_dir gets the dir that the link actually leads to.
	289	#
	290	full_dest_dir=`${PWDCMD}`
	291
	292	# Canonicalize ${INPUT} now to minimize the time an
	293	# automounter has to change the result of ${PWDCMD}.
	294	#
	295	cinput=`cd ${INPUT}; ${PWDCMD}`
	296
	297	# If a link points to ., make a similar link to .
	298	#
	299	if [ ${full_dest_dir} = ${cinput} ]; then
87ad679b BK	300	if test $VERBOSE -gt 2
87ad679b BK	301	then echo ${sym_link} '->' . ': Making self link' ; fi
48bd9529 BK	302	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	303	ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
	304
	305	# If link leads back into ${INPUT},
	306	# make a similar link here.
	307	#
	308	elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
	309	# Y gets the actual target dir name, relative to ${INPUT}.
	310	y=`echo ${full_dest_dir} \| sed -n "s&${cinput}/&&p"`
	311	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	312	dots=`echo "${sym_link}" \|
	313	sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
87ad679b BK	314	if test $VERBOSE -gt 2
87ad679b BK	315	then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
48bd9529 BK	316	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	317	ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
	318
06bbab1b	319	else
48bd9529 BK	320	# If the link is to a dir $target outside ${INPUT},
	321	# repoint the link at ${INPUT}/root$target
	322	# and process $target into ${INPUT}/root$target
	323	# treat this directory as if it actually contained the files.
	324	#
87ad679b BK	325	if test $VERBOSE -gt 2
	326	then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
	327	fi
48bd9529	328	if [ -d $LIB/root${full_dest_dir} ]
06bbab1b BK	329	then true
06bbab1b BK	330	else
48bd9529 BK	331	dirname=root${full_dest_dir}/
	332	dirmade=.
	333	cd $LIB
	334	while [ x$dirname != x ]; do
	335	component=`echo $dirname \| sed -e 's\|/.*$\|\|'`
	336	mkdir $component >/dev/null 2>&1
	337	cd $component
	338	dirmade=$dirmade/$component
	339	dirname=`echo $dirname \| sed -e 's\|[^/]*/\|\|'`
06bbab1b	340	done
48bd9529 BK	341	fi
	342
	343	# Duplicate directory structure created in ${LIB}/${sym_link} in new
	344	# root area.
	345	#
	346	for file2 in $all_dirs; do
	347	case $file2 in
	348	${sym_link}/*)
	349	dupdir=${LIB}/root${full_dest_dir}/`echo $file2 \|
	350	sed -n "s\|^${sym_link}/\|\|p"`
87ad679b BK	351	if test $VERBOSE -gt 2
87ad679b BK	352	then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
48bd9529 BK	353	if [ -d ${dupdir} ]
	354	then true
	355	else
	356	mkdir ${dupdir}
	357	fi
	358	;;
	359	*)
	360	;;
	361	esac
	362	done
	363
	364	# Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
	365	#
	366	parent=`echo "${sym_link}" \| sed -e 's@/[^/]*$@@'`
	367	libabs=`cd ${LIB}; ${PWDCMD}`
	368	file2=`cd ${LIB}; cd $parent; ${PWDCMD} \| sed -e "s@^${libabs}@@"`
	369
	370	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	371	#
	372	dots=`echo "$file2" \| sed -e 's@/[^/]*@../@g'`
	373	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	374	ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
	375	treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
06bbab1b	376	fi
06bbab1b BK	377	fi
	378	done
	379	fi
48bd9529	380
06bbab1b BK	381	# # # # # # # # # # # # # # # # # # # # #
	382	#
	383	required=
	384	set x $treetops
	385	shift
	386	while [ $# != 0 ]; do
	387	# $1 is an old directory to copy, and $2 is the new directory to copy to.
	388	#
	389	SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
	390	export SRCDIR
48bd9529 BK	391
	392	FIND_BASE=$1
	393	export FIND_BASE
06bbab1b BK	394	shift
	395
	396	DESTDIR=`cd $1;${PWDCMD}`
	397	export DESTDIR
	398	shift
	399
	400	# The same dir can appear more than once in treetops.
	401	# There's no need to scan it more than once.
	402	#
	403	if [ -f ${DESTDIR}/DONE ]
	404	then continue ; fi
	405
	406	touch ${DESTDIR}/DONE
87ad679b BK	407	if test $VERBOSE -gt 1
87ad679b BK	408	then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
06bbab1b	409
48bd9529	410	# Check files which are symlinks as well as those which are files.
06bbab1b	411	#
48bd9529	412	cd ${INPUT}
06bbab1b	413	required="$required `if $LINKS; then
be02fa1a	414	find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
06bbab1b	415	else
be02fa1a	416	find ${FIND_BASE}/. -name '*.h' -type f -print
48bd9529	417	fi \| \
706e665a	418	sed -e 's;/\./;/;g' -e 's;//*;/;g' \| \
48bd9529	419	${FIXINCL}`"
06bbab1b BK	420	done
	421
	422	## Make sure that any include files referenced using double quotes
	423	## exist in the fixed directory. This comes last since otherwise
	424	## we might end up deleting some of these files "because they don't
	425	## need any change."
	426	set x `echo $required`
	427	shift
	428	while [ $# != 0 ]; do
	429	newreq=
	430	while [ $# != 0 ]; do
	431	# $1 is the directory to copy from,
	432	# $2 is the unfixed file,
	433	# $3 is the fixed file name.
	434	#
	435	cd ${INPUT}
	436	cd $1
1f414ac4 BK	437	if [ -f $2 ] ; then
	438	if [ -r $2 ] && [ ! -r $3 ]; then
	439	cp $2 $3 >/dev/null 2>&1 \|\| echo "Can't copy $2" >&2
	440	chmod +w $3 2>/dev/null
	441	chmod a+r $3 2>/dev/null
87ad679b BK	442	if test $VERBOSE -gt 2
87ad679b BK	443	then echo Copied $2 ; fi
1f414ac4	444	for include in `egrep '^[ ]#[ ]include[ ]*"[^/]' $3 \|
06bbab1b	445	sed -e 's/^[ ]#[ ]include[ ]"\([^"]\)".*$/\1/'`
1f414ac4 BK	446	do
	447	dir=`echo $2 \| sed -e s'\|/[^/]*$\|\|'`
	448	dir2=`echo $3 \| sed -e s'\|/[^/]*$\|\|'`
	449	newreq="$newreq $1 $dir/$include $dir2/$include"
	450	done
	451	fi
06bbab1b BK	452	fi
	453	shift; shift; shift
	454	done
	455	set x $newreq
	456	shift
	457	done
	458
87ad679b BK	459	if test $VERBOSE -gt 2
87ad679b BK	460	then echo 'Cleaning up DONE files.' ; fi
06bbab1b	461	cd $LIB
62a99405 BK	462	# Look for files case-insensitively, for the benefit of
	463	# DOS/Windows filesystems.
	464	find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
06bbab1b	465
87ad679b BK	466	if test $VERBOSE -gt 1
87ad679b BK	467	then echo 'Cleaning up unneeded directories:' ; fi
06bbab1b	468	cd $LIB
babb4c65	469	all_dirs=`find . -type d \! -name '.' -print \| sort -r`
48bd9529	470	for file in $all_dirs; do
78067f16 BK	471	if rmdir $LIB/$file > /dev/null
	472	then
	473	test $VERBOSE -gt 3 && echo " removed $file"
	474	fi
	475	done 2> /dev/null
	476
62a99405 BK	477	# On systems which don't support symlinks, `find' may barf
	478	# if called with "-type l" predicate. So only use that if
	479	# we know we should look for symlinks.
	480	if $LINKS; then
	481	test $VERBOSE -gt 2 && echo "Removing unused symlinks"
78067f16	482
62a99405 BK	483	all_dirs=`find . -type l -print`
	484	for file in $all_dirs
	485	do
46159c15 BK	486	if test ! -d $file
	487	then
	488	rm -f $file
	489	test $VERBOSE -gt 3 && echo " removed $file"
	490	rmdir `dirname $file` > /dev/null && \
62a99405 BK	491	test $VERBOSE -gt 3 && \
	492	echo " removed `dirname $file`"
	493	fi
	494	done 2> /dev/null
	495	fi
06bbab1b	496
87ad679b BK	497	if test $VERBOSE -gt 0
	498	then echo fixincludes is done ; fi
	499
06bbab1b BK	500	# # # # # # # # # # # # # # # # # # # # #
	501	#
	502	# End of for INPUT directories
	503	#
	504	done
	505	#
	506	# # # # # # # # # # # # # # # # # # # # #