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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [fixincludes/] [fixinc.in] - Blame information for rev 841

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1 38 julius
#!/bin/sh
2
#
3
# Install modified versions of certain ANSI-incompatible system header
4
# files which are fixed to work correctly with ANSI C and placed in a
5
# directory that GCC will search.
6
#
7
# See README-fixinc for more information.
8
#
9
#  fixincludes copyright (c) 1998, 1999, 2000, 2002
10
#  The Free Software Foundation, Inc.
11
#
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
#            51 Franklin Street, Fifth Floor,
27
#            Boston,  MA  02110-1301, USA.
28
#
29
# # # # # # # # # # # # # # # # # # # # #
30
 
31
# Usage: fixinc.sh output-dir input-dir
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=${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=`${PWDCMD}`
98
export ORIGDIR
99
FIXINCL=`${PWDCMD}`/fixincl
100
if [ ! -x $FIXINCL ] ; then
101
  echo "Cannot find fixincl" >&2
102
  exit 1
103
fi
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
 
115
if test $VERBOSE -gt 0
116
then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
117
 
118
# Determine whether this system has symbolic links.
119
if test -n "$DJDIR"; then
120
  LINKS=false
121
elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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
130
 
131
# # # # # # # # # # # # # # # # # # # # #
132
#
133
#  In the file macro_list are listed 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).  A regular expression to find
137
#  any of those macros in a header file is written to MN_NAME_PAT.
138
#
139
#  Note dependency on ASCII. \012 = newline.
140
#  tr ' ' '\n' is, alas, not portable.
141
 
142
if test -s ${MACRO_LIST}
143
then
144
  if test $VERBOSE -gt 0; then
145
    echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
146
  fi
147
  MN_NAME_PAT="`sed 's/^/\\\\/; $!s/$/|/' \
148
      < ${MACRO_LIST} | tr -d '\012'`"
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
154
 
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
 
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
 
179
INPUT=`${PWDCMD}`
180
export INPUT
181
 
182
#
183
# # # # # # # # # # # # # # # # # # # # #
184
#
185
if test $VERBOSE -gt 1
186
then echo Finding directories and links to directories ; fi
187
 
188
# Find all directories and all symlinks that point to directories.
189
# Put the list in $all_dirs.
190
# Each time we find a symlink, add it to newdirs
191
# so that we do another find within the dir the link points to.
192
# Note that $all_dirs may have duplicates in it;
193
# later parts of this file are supposed to ignore them.
194
dirs="."
195
levels=2
196
all_dirs=""
197
search_dirs=""
198
 
199
while [ -n "$dirs" ] && [ $levels -gt 0 ]
200
do
201
  levels=`expr $levels - 1`
202
  newdirs=
203
  for d in $dirs
204
  do
205
    if test $VERBOSE -gt 1
206
    then echo " Searching $INPUT/$d" ; fi
207
 
208
    # Find all directories under $d, relative to $d, excluding $d itself.
209
    # (The /. is needed after $d in case $d is a symlink.)
210
    all_dirs="$all_dirs `find $d/. -type d -print | \
211
               sed -e '/\/\.$/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
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"
227
        if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
228
        then
229
          newdirs="$newdirs $d1"
230
          search_dirs="$search_dirs $d1"
231
        fi
232
      fi
233
    done
234
  done
235
 
236
  dirs="$newdirs"
237
done
238
 
239
# # # # # # # # # # # # # # # # # # # # #
240
#
241
dirs=
242
if test $VERBOSE -gt 2
243
then echo "All directories (including links to directories):"
244
     echo $all_dirs
245
fi
246
 
247
for file in $all_dirs; do
248
  rm -rf $LIB/$file
249
  if [ ! -d $LIB/$file ]
250
  then mkdir $LIB/$file
251
  fi
252
done
253
mkdir $LIB/root
254
 
255
# # # # # # # # # # # # # # # # # # # # #
256
#
257
# treetops gets an alternating list
258
# of old directories to copy
259
# and the new directories to copy to.
260
treetops=". ${LIB}"
261
 
262
if $LINKS; then
263
  if test $VERBOSE -gt 1
264
  then echo 'Making symbolic directory links' ; fi
265
  cwd=`${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
294
        if test $VERBOSE -gt 2
295
        then echo ${sym_link} '->' . ': Making self link' ; fi
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@..$@@'`
308
        if test $VERBOSE -gt 2
309
        then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
310
        rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
311
        ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
312
 
313
      else
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
        #
319
        if test $VERBOSE -gt 2
320
        then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
321
        fi
322
        if [ -d $LIB/root${full_dest_dir} ]
323
        then true
324
        else
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|[^/]*/||'`
334
          done
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"`
345
              if test $VERBOSE -gt 2
346
              then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
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}"
370
      fi
371
    fi
372
  done
373
fi
374
 
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
385
 
386
  FIND_BASE=$1
387
  export FIND_BASE
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
401
  if test $VERBOSE -gt 1
402
  then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
403
 
404
  # Check files which are symlinks as well as those which are files.
405
  #
406
  cd ${INPUT}
407
  required="$required `if $LINKS; then
408
    find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
409
  else
410
    find ${FIND_BASE}/. -name '*.h' -type f -print
411
  fi | \
412
    sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
413
    ${FIXINCL}`"
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
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
436
        if test $VERBOSE -gt 2
437
        then echo Copied $2 ; fi
438
        for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' $3 |
439
             sed -e 's/^[       ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`
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
446
    fi
447
    shift; shift; shift
448
  done
449
  set x $newreq
450
  shift
451
done
452
 
453
if test $VERBOSE -gt 2
454
then echo 'Cleaning up DONE files.' ; fi
455
cd $LIB
456
# Look for files case-insensitively, for the benefit of
457
# DOS/Windows filesystems.
458
find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
459
 
460
if test $VERBOSE -gt 1
461
then echo 'Cleaning up unneeded directories:' ; fi
462
cd $LIB
463
all_dirs=`find . -type d \! -name '.' -print | sort -r`
464
for file in $all_dirs; do
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
 
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"
476
 
477
  all_dirs=`find . -type l -print`
478
  for file in $all_dirs
479
  do
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 && \
485
           test $VERBOSE -gt 3 && \
486
           echo "  removed `dirname $file`"
487
    fi
488
  done 2> /dev/null
489
fi
490
 
491
if test $VERBOSE -gt 0
492
then echo fixincludes is done ; fi
493
 
494
# # # # # # # # # # # # # # # # # # # # #
495
#
496
# End of for INPUT directories
497
#
498
done
499
#
500
# # # # # # # # # # # # # # # # # # # # #

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