[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, 2009
#  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 3, 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 COPYING3.  If not see
# <http://www.gnu.org/licenses/>.
#
# # # # # # # # # # # # # # # # # # # # #

# 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	#
6bc9506f	9	# fixincludes copyright (c) 1998, 1999, 2000, 2002, 2009
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
6bc9506f	16	# Foundation; either version 3, or (at your option) any later version.
fdb8fb96	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
6bc9506f	24	# along with fixincludes; see the file COPYING3. If not see
6bc9506f	25	# <http://www.gnu.org/licenses/>.
fdb8fb96	26	#
fdb8fb96	27	# # # # # # # # # # # # # # # # # # # # #
6c9e62de	28
2b59cb05	29	# Usage: fixinc.sh output-dir input-dir
fdb8fb96	30	#
	31	# Directory in which to store the results.
	32	# Fail if no arg to specify a directory for the output.
	33	if [ "x$1" = "x" ]
a98784e9	34	then
	35	echo fixincludes: no output directory specified
	36	exit 1
fdb8fb96	37	fi
	38
	39	LIB=${1}
	40	shift
	41
	42	# Make sure it exists.
	43	if [ ! -d $LIB ]; then
	44	mkdir $LIB \|\| {
	45	echo fixincludes: output dir '`'$LIB"' cannot be created"
	46	exit 1
	47	}
	48	else
b4118095	49	( cd $LIB && touch DONE && rm DONE ) \|\| {
fdb8fb96	50	echo fixincludes: output dir '`'$LIB"' is an invalid directory"
	51	exit 1
	52	}
	53	fi
	54
a98784e9	55	if test -z "$VERBOSE"
	56	then
	57	VERBOSE=2
	58	export VERBOSE
	59	else
	60	case "$VERBOSE" in
	61	[0-9] ) : ;;
	62	* ) VERBOSE=3 ;;
	63	esac
	64	fi
	65
fdb8fb96	66	# Define what target system we're fixing.
	67	#
	68	if test -r ./Makefile; then
	69	target_canonical="`sed -n -e 's,^target[ ]=[ ]\(.*\)$,\1,p' < Makefile`"
	70	fi
	71
	72	# If not from the Makefile, then try config.guess
	73	#
	74	if test -z "${target_canonical}" ; then
	75	if test -x ./config.guess ; then
	76	target_canonical="`config.guess`" ; fi
	77	test -z "${target_canonical}" && target_canonical=unknown
	78	fi
	79	export target_canonical
	80
	81	# # # # # # # # # # # # # # # # # # # # #
	82	#
	83	# Define PWDCMD as a command to use to get the working dir
	84	# in the form that we want.
3354d061	85	PWDCMD=${PWDCMD-pwd}
fdb8fb96	86
	87	case "`$PWDCMD`" in
	88	//*)
	89	# On an Apollo, discard everything before `/usr'.
	90	PWDCMD="eval pwd \| sed -e 's,.*/usr/,/usr/,'"
	91	;;
	92	esac
	93
	94	# Original directory.
	95	ORIGDIR=`${PWDCMD}`
70ba55fd	96	export ORIGDIR
50e7e370	97	FIXINCL=`${PWDCMD}`/fixincl
d0b6b3c6	98	if [ ! -x $FIXINCL ] ; then
50e7e370	99	echo "Cannot find fixincl" >&2
2b59cb05	100	exit 1
d0b6b3c6	101	fi
fdb8fb96	102	export FIXINCL
	103
	104	# Make LIB absolute only if needed to avoid problems with the amd.
	105	case $LIB in
	106	/*)
	107	;;
	108	*)
	109	cd $LIB; LIB=`${PWDCMD}`
	110	;;
	111	esac
	112
a98784e9	113	if test $VERBOSE -gt 0
a98784e9	114	then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
38ebab8a	115
fdb8fb96	116	# Determine whether this system has symbolic links.
70ba55fd	117	if test -n "$DJDIR"; then
	118	LINKS=false
	119	elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
fdb8fb96	120	rm -f $LIB/ShouldNotExist
	121	LINKS=true
	122	elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
	123	rm -f /tmp/ShouldNotExist
	124	LINKS=true
	125	else
	126	LINKS=false
	127	fi
38ebab8a	128
31b04dee	129	# # # # # # # # # # # # # # # # # # # # #
31b04dee	130	#
50e7e370	131	# In the file macro_list are listed all the predefined
31b04dee	132	# macros that are not in the C89 reserved namespace (the reserved
50e7e370	133	# namespace is all identifiers beginnning with two underscores or one
	134	# underscore followed by a capital letter). A regular expression to find
	135	# any of those macros in a header file is written to MN_NAME_PAT.
31b04dee	136	#
	137	# Note dependency on ASCII. \012 = newline.
	138	# tr ' ' '\n' is, alas, not portable.
	139
50e7e370	140	if test -s ${MACRO_LIST}
31b04dee	141	then
50e7e370	142	if test $VERBOSE -gt 0; then
	143	echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
	144	fi
	145	MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/\|/' \
	146	< ${MACRO_LIST} \| tr -d '\012'`"
31b04dee	147	export MN_NAME_PAT
	148	else
	149	if test $VERBOSE -gt 0
	150	then echo "No forbidden identifiers defined by this target" ; fi
	151	fi
31b04dee	152
fdb8fb96	153	# # # # # # # # # # # # # # # # # # # # #
	154	#
	155	# Search each input directory for broken header files.
	156	# This loop ends near the end of the file.
	157	#
	158	if test $# -eq 0
	159	then
	160	INPUTLIST="/usr/include"
	161	else
	162	INPUTLIST="$@"
	163	fi
	164
	165	for INPUT in ${INPUTLIST} ; do
	166
	167	cd ${ORIGDIR}
	168
fa28adb8	169	# Make sure a directory exists before changing into it,
	170	# otherwise Solaris2 will fail-exit the script.
	171	#
	172	if [ ! -d ${INPUT} ]; then
	173	continue
	174	fi
	175	cd ${INPUT}
	176
38ebab8a	177	INPUT=`${PWDCMD}`
cc42f3d4	178	export INPUT
fdb8fb96	179
	180	#
	181	# # # # # # # # # # # # # # # # # # # # #
	182	#
a98784e9	183	if test $VERBOSE -gt 1
a98784e9	184	then echo Finding directories and links to directories ; fi
fdb8fb96	185
fdb8fb96	186	# Find all directories and all symlinks that point to directories.
38ebab8a	187	# Put the list in $all_dirs.
fdb8fb96	188	# Each time we find a symlink, add it to newdirs
fdb8fb96	189	# so that we do another find within the dir the link points to.
38ebab8a	190	# Note that $all_dirs may have duplicates in it;
fdb8fb96	191	# later parts of this file are supposed to ignore them.
	192	dirs="."
	193	levels=2
38ebab8a	194	all_dirs=""
	195	search_dirs=""
	196
fdb8fb96	197	while [ -n "$dirs" ] && [ $levels -gt 0 ]
fdb8fb96	198	do
38ebab8a	199	levels=`expr $levels - 1`
	200	newdirs=
	201	for d in $dirs
	202	do
a98784e9	203	if test $VERBOSE -gt 1
a98784e9	204	then echo " Searching $INPUT/$d" ; fi
38ebab8a	205
fdb8fb96	206	# Find all directories under $d, relative to $d, excluding $d itself.
fdb8fb96	207	# (The /. is needed after $d in case $d is a symlink.)
38ebab8a	208	all_dirs="$all_dirs `find $d/. -type d -print \| \
fdb8fb96	209	sed -e '/\/\.$/d' -e 's@/./@/@g'`"
	210	# Find all links to directories.
	211	# Using `-exec test -d' in find fails on some systems,
	212	# and trying to run test via sh fails on others,
	213	# so this is the simplest alternative left.
	214	# First find all the links, then test each one.
	215	theselinks=
	216	$LINKS && \
	217	theselinks=`find $d/. -type l -print \| sed -e 's@/./@/@g'`
	218	for d1 in $theselinks --dummy--
	219	do
38ebab8a	220	# If the link points to a directory,
	221	# add that dir to $newdirs
	222	if [ -d $d1 ]
	223	then
	224	all_dirs="$all_dirs $d1"
fdb8fb96	225	if [ "`ls -ld $d1 \| sed -n 's/.*-> //p'`" != "." ]
fdb8fb96	226	then
38ebab8a	227	newdirs="$newdirs $d1"
38ebab8a	228	search_dirs="$search_dirs $d1"
fdb8fb96	229	fi
38ebab8a	230	fi
fdb8fb96	231	done
38ebab8a	232	done
	233
	234	dirs="$newdirs"
fdb8fb96	235	done
38ebab8a	236
fdb8fb96	237	# # # # # # # # # # # # # # # # # # # # #
	238	#
	239	dirs=
a98784e9	240	if test $VERBOSE -gt 2
	241	then echo "All directories (including links to directories):"
	242	echo $all_dirs
	243	fi
38ebab8a	244
38ebab8a	245	for file in $all_dirs; do
fdb8fb96	246	rm -rf $LIB/$file
	247	if [ ! -d $LIB/$file ]
	248	then mkdir $LIB/$file
	249	fi
	250	done
	251	mkdir $LIB/root
38ebab8a	252
fdb8fb96	253	# # # # # # # # # # # # # # # # # # # # #
	254	#
	255	# treetops gets an alternating list
	256	# of old directories to copy
	257	# and the new directories to copy to.
38ebab8a	258	treetops=". ${LIB}"
38ebab8a	259
fdb8fb96	260	if $LINKS; then
a98784e9	261	if test $VERBOSE -gt 1
a98784e9	262	then echo 'Making symbolic directory links' ; fi
38ebab8a	263	cwd=`${PWDCMD}`
	264
	265	for sym_link in $search_dirs; do
	266	cd ${INPUT}
	267	dest=`ls -ld ${sym_link} \| sed -n 's/.*-> //p'`
	268
	269	# In case $dest is relative, get to ${sym_link}'s dir first.
	270	#
	271	cd ./`echo ${sym_link} \| sed 's;/[^/]*$;;'`
	272
	273	# Check that the target directory exists.
	274	# Redirections changed to avoid bug in sh on Ultrix.
	275	#
	276	(cd $dest) > /dev/null 2>&1
	277	if [ $? = 0 ]; then
	278	cd $dest
	279
	280	# full_dest_dir gets the dir that the link actually leads to.
	281	#
	282	full_dest_dir=`${PWDCMD}`
	283
	284	# Canonicalize ${INPUT} now to minimize the time an
	285	# automounter has to change the result of ${PWDCMD}.
	286	#
	287	cinput=`cd ${INPUT}; ${PWDCMD}`
	288
	289	# If a link points to ., make a similar link to .
	290	#
	291	if [ ${full_dest_dir} = ${cinput} ]; then
a98784e9	292	if test $VERBOSE -gt 2
a98784e9	293	then echo ${sym_link} '->' . ': Making self link' ; fi
38ebab8a	294	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	295	ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
	296
	297	# If link leads back into ${INPUT},
	298	# make a similar link here.
	299	#
	300	elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
	301	# Y gets the actual target dir name, relative to ${INPUT}.
	302	y=`echo ${full_dest_dir} \| sed -n "s&${cinput}/&&p"`
	303	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	304	dots=`echo "${sym_link}" \|
	305	sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
a98784e9	306	if test $VERBOSE -gt 2
a98784e9	307	then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
38ebab8a	308	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	309	ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
	310
fdb8fb96	311	else
38ebab8a	312	# If the link is to a dir $target outside ${INPUT},
	313	# repoint the link at ${INPUT}/root$target
	314	# and process $target into ${INPUT}/root$target
	315	# treat this directory as if it actually contained the files.
	316	#
a98784e9	317	if test $VERBOSE -gt 2
	318	then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
	319	fi
38ebab8a	320	if [ -d $LIB/root${full_dest_dir} ]
fdb8fb96	321	then true
fdb8fb96	322	else
38ebab8a	323	dirname=root${full_dest_dir}/
	324	dirmade=.
	325	cd $LIB
	326	while [ x$dirname != x ]; do
	327	component=`echo $dirname \| sed -e 's\|/.*$\|\|'`
	328	mkdir $component >/dev/null 2>&1
	329	cd $component
	330	dirmade=$dirmade/$component
	331	dirname=`echo $dirname \| sed -e 's\|[^/]*/\|\|'`
fdb8fb96	332	done
38ebab8a	333	fi
	334
	335	# Duplicate directory structure created in ${LIB}/${sym_link} in new
	336	# root area.
	337	#
	338	for file2 in $all_dirs; do
	339	case $file2 in
	340	${sym_link}/*)
	341	dupdir=${LIB}/root${full_dest_dir}/`echo $file2 \|
	342	sed -n "s\|^${sym_link}/\|\|p"`
a98784e9	343	if test $VERBOSE -gt 2
a98784e9	344	then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
38ebab8a	345	if [ -d ${dupdir} ]
	346	then true
	347	else
	348	mkdir ${dupdir}
	349	fi
	350	;;
	351	*)
	352	;;
	353	esac
	354	done
	355
	356	# Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
	357	#
	358	parent=`echo "${sym_link}" \| sed -e 's@/[^/]*$@@'`
	359	libabs=`cd ${LIB}; ${PWDCMD}`
	360	file2=`cd ${LIB}; cd $parent; ${PWDCMD} \| sed -e "s@^${libabs}@@"`
	361
	362	# DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
	363	#
	364	dots=`echo "$file2" \| sed -e 's@/[^/]*@../@g'`
	365	rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
	366	ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
	367	treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
fdb8fb96	368	fi
fdb8fb96	369	fi
	370	done
	371	fi
38ebab8a	372
fdb8fb96	373	# # # # # # # # # # # # # # # # # # # # #
	374	#
	375	required=
	376	set x $treetops
	377	shift
	378	while [ $# != 0 ]; do
	379	# $1 is an old directory to copy, and $2 is the new directory to copy to.
	380	#
	381	SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
	382	export SRCDIR
38ebab8a	383
	384	FIND_BASE=$1
	385	export FIND_BASE
fdb8fb96	386	shift
	387
	388	DESTDIR=`cd $1;${PWDCMD}`
	389	export DESTDIR
	390	shift
	391
	392	# The same dir can appear more than once in treetops.
	393	# There's no need to scan it more than once.
	394	#
	395	if [ -f ${DESTDIR}/DONE ]
	396	then continue ; fi
	397
	398	touch ${DESTDIR}/DONE
a98784e9	399	if test $VERBOSE -gt 1
a98784e9	400	then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
fdb8fb96	401
38ebab8a	402	# Check files which are symlinks as well as those which are files.
fdb8fb96	403	#
38ebab8a	404	cd ${INPUT}
fdb8fb96	405	required="$required `if $LINKS; then
c1b28c63	406	find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
fdb8fb96	407	else
c1b28c63	408	find ${FIND_BASE}/. -name '*.h' -type f -print
38ebab8a	409	fi \| \
b4136341	410	sed -e 's;/\./;/;g' -e 's;//*;/;g' \| \
38ebab8a	411	${FIXINCL}`"
fdb8fb96	412	done
	413
	414	## Make sure that any include files referenced using double quotes
	415	## exist in the fixed directory. This comes last since otherwise
	416	## we might end up deleting some of these files "because they don't
	417	## need any change."
	418	set x `echo $required`
	419	shift
	420	while [ $# != 0 ]; do
	421	newreq=
	422	while [ $# != 0 ]; do
	423	# $1 is the directory to copy from,
	424	# $2 is the unfixed file,
	425	# $3 is the fixed file name.
	426	#
	427	cd ${INPUT}
	428	cd $1
6bd06916	429	if [ -f $2 ] ; then
	430	if [ -r $2 ] && [ ! -r $3 ]; then
	431	cp $2 $3 >/dev/null 2>&1 \|\| echo "Can't copy $2" >&2
	432	chmod +w $3 2>/dev/null
	433	chmod a+r $3 2>/dev/null
a98784e9	434	if test $VERBOSE -gt 2
a98784e9	435	then echo Copied $2 ; fi
6bd06916	436	for include in `egrep '^[ ]#[ ]include[ ]*"[^/]' $3 \|
fdb8fb96	437	sed -e 's/^[ ]#[ ]include[ ]"\([^"]\)".*$/\1/'`
6bd06916	438	do
	439	dir=`echo $2 \| sed -e s'\|/[^/]*$\|\|'`
	440	dir2=`echo $3 \| sed -e s'\|/[^/]*$\|\|'`
	441	newreq="$newreq $1 $dir/$include $dir2/$include"
	442	done
	443	fi
fdb8fb96	444	fi
	445	shift; shift; shift
	446	done
	447	set x $newreq
	448	shift
	449	done
	450
a98784e9	451	if test $VERBOSE -gt 2
a98784e9	452	then echo 'Cleaning up DONE files.' ; fi
fdb8fb96	453	cd $LIB
70ba55fd	454	# Look for files case-insensitively, for the benefit of
	455	# DOS/Windows filesystems.
	456	find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
fdb8fb96	457
a98784e9	458	if test $VERBOSE -gt 1
a98784e9	459	then echo 'Cleaning up unneeded directories:' ; fi
fdb8fb96	460	cd $LIB
0f5d49d3	461	all_dirs=`find . -type d \! -name '.' -print \| sort -r`
38ebab8a	462	for file in $all_dirs; do
90cca551	463	if rmdir $LIB/$file > /dev/null
	464	then
	465	test $VERBOSE -gt 3 && echo " removed $file"
	466	fi
	467	done 2> /dev/null
	468
70ba55fd	469	# On systems which don't support symlinks, `find' may barf
	470	# if called with "-type l" predicate. So only use that if
	471	# we know we should look for symlinks.
	472	if $LINKS; then
	473	test $VERBOSE -gt 2 && echo "Removing unused symlinks"
90cca551	474
70ba55fd	475	all_dirs=`find . -type l -print`
	476	for file in $all_dirs
	477	do
5fd70b95	478	if test ! -d $file
	479	then
	480	rm -f $file
	481	test $VERBOSE -gt 3 && echo " removed $file"
	482	rmdir `dirname $file` > /dev/null && \
70ba55fd	483	test $VERBOSE -gt 3 && \
	484	echo " removed `dirname $file`"
	485	fi
	486	done 2> /dev/null
	487	fi
fdb8fb96	488
a98784e9	489	if test $VERBOSE -gt 0
	490	then echo fixincludes is done ; fi
	491
fdb8fb96	492	# # # # # # # # # # # # # # # # # # # # #
	493	#
	494	# End of for INPUT directories
	495	#
	496	done
	497	#
	498	# # # # # # # # # # # # # # # # # # # # #