gcc/fixinc/fixincl.sh

   1 #!/bin/sh
   2 #
   3 #  EDIT THIS FILE - it is no longer generated
   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 #
   9 # See README-fixinc for more information.
  10 #
  11 #  fixincludes copyright (c) 1998, 1999, 2000
  12 #  The Free Software Foundation, Inc.
  13 #
  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$1" = "x" ]
  36 then
  37   echo fixincludes: no output directory specified
  38   exit 1
  39 fi
  40
  41 LIB=${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
  51   ( cd $LIB && touch DONE && rm DONE ) || {
  52     echo fixincludes:  output dir '`'$LIB"' is an invalid directory"
  53     exit 1
  54   }
  55 fi
  56
  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
  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=`${PWDCMD}`
  98 export ORIGDIR
  99 FIXINCL=${ORIGDIR}/fixinc/fixincl
 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
 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
 118 if test $VERBOSE -gt 0
 119 then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
 120
 121 # Determine whether this system has symbolic links.
 122 if test -n "$DJDIR"; then
 123   LINKS=false
 124 elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
 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
 133
 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
 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 ${INPUT}
 157
 158 INPUT=`${PWDCMD}`
 159 export INPUT
 160
 161 #
 162 # # # # # # # # # # # # # # # # # # # # #
 163 #
 164 if test $VERBOSE -gt 1
 165 then echo Finding directories and links to directories ; fi
 166
 167 # Find all directories and all symlinks that point to directories.
 168 # Put the list in $all_dirs.
 169 # Each time we find a symlink, add it to newdirs
 170 # so that we do another find within the dir the link points to.
 171 # Note that $all_dirs may have duplicates in it;
 172 # later parts of this file are supposed to ignore them.
 173 dirs="."
 174 levels=2
 175 all_dirs=""
 176 search_dirs=""
 177
 178 while [ -n "$dirs" ] && [ $levels -gt 0 ]
 179 do
 180   levels=`expr $levels - 1`
 181   newdirs=
 182   for d in $dirs
 183   do
 184     if test $VERBOSE -gt 1
 185     then echo " Searching $INPUT/$d" ; fi
 186
 187     # Find all directories under $d, relative to $d, excluding $d itself.
 188     # (The /. is needed after $d in case $d is a symlink.)
 189     all_dirs="$all_dirs `find $d/. -type d -print | \
 190                sed -e '/\/\.$/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
 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"
 206         if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
 207         then
 208           newdirs="$newdirs $d1"
 209           search_dirs="$search_dirs $d1"
 210         fi
 211       fi
 212     done
 213   done
 214
 215   dirs="$newdirs"
 216 done
 217
 218 # # # # # # # # # # # # # # # # # # # # #
 219 #
 220 dirs=
 221 if test $VERBOSE -gt 2
 222 then echo "All directories (including links to directories):"
 223      echo $all_dirs
 224 fi
 225
 226 for file in $all_dirs; do
 227   rm -rf $LIB/$file
 228   if [ ! -d $LIB/$file ]
 229   then mkdir $LIB/$file
 230   fi
 231 done
 232 mkdir $LIB/root
 233
 234 # # # # # # # # # # # # # # # # # # # # #
 235 #
 236 # treetops gets an alternating list
 237 # of old directories to copy
 238 # and the new directories to copy to.
 239 treetops=". ${LIB}"
 240
 241 if $LINKS; then
 242   if test $VERBOSE -gt 1
 243   then echo 'Making symbolic directory links' ; fi
 244   cwd=`${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
 273         if test $VERBOSE -gt 2
 274         then echo ${sym_link} '->' . ': Making self link' ; fi
 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@..$@@'`
 287         if test $VERBOSE -gt 2
 288         then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
 289         rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
 290         ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
 291
 292       else
 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         #
 298         if test $VERBOSE -gt 2
 299         then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
 300         fi
 301         if [ -d $LIB/root${full_dest_dir} ]
 302         then true
 303         else
 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|[^/]*/||'`
 313           done
 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"`
 324               if test $VERBOSE -gt 2
 325               then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
 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}"
 349       fi
 350     fi
 351   done
 352 fi
 353
 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
 364
 365   FIND_BASE=$1
 366   export FIND_BASE
 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
 380   if test $VERBOSE -gt 1
 381   then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
 382
 383   # Check files which are symlinks as well as those which are files.
 384   #
 385   cd ${INPUT}
 386   required="$required `if $LINKS; then
 387     find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
 388   else
 389     find ${FIND_BASE}/. -name '*.h' -type f -print
 390   fi | \
 391     sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
 392     ${FIXINCL}`"
 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
 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
 415         if test $VERBOSE -gt 2
 416         then echo Copied $2 ; fi
 417         for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' $3 |
 418              sed -e 's/^[       ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`
 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
 425     fi
 426     shift; shift; shift
 427   done
 428   set x $newreq
 429   shift
 430 done
 431
 432 if test $VERBOSE -gt 2
 433 then echo 'Cleaning up DONE files.' ; fi
 434 cd $LIB
 435 # Look for files case-insensitively, for the benefit of
 436 # DOS/Windows filesystems.
 437 find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
 438
 439 if test $VERBOSE -gt 1
 440 then echo 'Cleaning up unneeded directories:' ; fi
 441 cd $LIB
 442 all_dirs=`find . -type d \! -name '.' -print | sort -r`
 443 for file in $all_dirs; do
 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
 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"
 455
 456   all_dirs=`find . -type l -print`
 457   for file in $all_dirs
 458   do
 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 && \
 464            test $VERBOSE -gt 3 && \
 465            echo "  removed `dirname $file`"
 466     fi
 467   done 2> /dev/null
 468 fi
 469
 470 if test $VERBOSE -gt 0
 471 then echo fixincludes is done ; fi
 472
 473 # # # # # # # # # # # # # # # # # # # # #
 474 #
 475 # End of for INPUT directories
 476 #
 477 done
 478 #
 479 # # # # # # # # # # # # # # # # # # # # #