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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [fixincludes/] [fixinc.in] - Blame information for rev 298

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1 266 jeremybenn
#!/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, 2009
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 3, 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 COPYING3.  If not see
25
# .
26
#
27
# # # # # # # # # # # # # # # # # # # # #
28
 
29
# Usage: fixinc.sh output-dir input-dir
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" ]
34
then
35
  echo fixincludes: no output directory specified
36
  exit 1
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
49
  ( cd $LIB && touch DONE && rm DONE ) || {
50
    echo fixincludes:  output dir '`'$LIB"' is an invalid directory"
51
    exit 1
52
  }
53
fi
54
 
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
 
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.
85
PWDCMD=${PWDCMD-pwd}
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=`${PWDCMD}`
96
export ORIGDIR
97
FIXINCL=`${PWDCMD}`/fixincl
98
if [ ! -x $FIXINCL ] ; then
99
  echo "Cannot find fixincl" >&2
100
  exit 1
101
fi
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
 
113
if test $VERBOSE -gt 0
114
then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
115
 
116
# Determine whether this system has symbolic links.
117
if test -n "$DJDIR"; then
118
  LINKS=false
119
elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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
128
 
129
# # # # # # # # # # # # # # # # # # # # #
130
#
131
#  In the file macro_list are listed all the predefined
132
#  macros that are not in the C89 reserved namespace (the reserved
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.
136
#
137
#  Note dependency on ASCII. \012 = newline.
138
#  tr ' ' '\n' is, alas, not portable.
139
 
140
if test -s ${MACRO_LIST}
141
then
142
  if test $VERBOSE -gt 0; then
143
    echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
144
  fi
145
  MN_NAME_PAT="`sed 's/^/\\\\/; $!s/$/|/' \
146
      < ${MACRO_LIST} | tr -d '\012'`"
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
152
 
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
 
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
 
177
INPUT=`${PWDCMD}`
178
export INPUT
179
 
180
#
181
# # # # # # # # # # # # # # # # # # # # #
182
#
183
if test $VERBOSE -gt 1
184
then echo Finding directories and links to directories ; fi
185
 
186
# Find all directories and all symlinks that point to directories.
187
# Put the list in $all_dirs.
188
# Each time we find a symlink, add it to newdirs
189
# so that we do another find within the dir the link points to.
190
# Note that $all_dirs may have duplicates in it;
191
# later parts of this file are supposed to ignore them.
192
dirs="."
193
levels=2
194
all_dirs=""
195
search_dirs=""
196
 
197
while [ -n "$dirs" ] && [ $levels -gt 0 ]
198
do
199
  levels=`expr $levels - 1`
200
  newdirs=
201
  for d in $dirs
202
  do
203
    if test $VERBOSE -gt 1
204
    then echo " Searching $INPUT/$d" ; fi
205
 
206
    # Find all directories under $d, relative to $d, excluding $d itself.
207
    # (The /. is needed after $d in case $d is a symlink.)
208
    all_dirs="$all_dirs `find $d/. -type d -print | \
209
               sed -e '/\/\.$/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
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"
225
        if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
226
        then
227
          newdirs="$newdirs $d1"
228
          search_dirs="$search_dirs $d1"
229
        fi
230
      fi
231
    done
232
  done
233
 
234
  dirs="$newdirs"
235
done
236
 
237
# # # # # # # # # # # # # # # # # # # # #
238
#
239
dirs=
240
if test $VERBOSE -gt 2
241
then echo "All directories (including links to directories):"
242
     echo $all_dirs
243
fi
244
 
245
for file in $all_dirs; do
246
  rm -rf $LIB/$file
247
  if [ ! -d $LIB/$file ]
248
  then mkdir $LIB/$file
249
  fi
250
done
251
mkdir $LIB/root
252
 
253
# # # # # # # # # # # # # # # # # # # # #
254
#
255
# treetops gets an alternating list
256
# of old directories to copy
257
# and the new directories to copy to.
258
treetops=". ${LIB}"
259
 
260
if $LINKS; then
261
  if test $VERBOSE -gt 1
262
  then echo 'Making symbolic directory links' ; fi
263
  cwd=`${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
292
        if test $VERBOSE -gt 2
293
        then echo ${sym_link} '->' . ': Making self link' ; fi
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@..$@@'`
306
        if test $VERBOSE -gt 2
307
        then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
308
        rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
309
        ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
310
 
311
      else
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
        #
317
        if test $VERBOSE -gt 2
318
        then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
319
        fi
320
        if [ -d $LIB/root${full_dest_dir} ]
321
        then true
322
        else
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|[^/]*/||'`
332
          done
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"`
343
              if test $VERBOSE -gt 2
344
              then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
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}"
368
      fi
369
    fi
370
  done
371
fi
372
 
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
383
 
384
  FIND_BASE=$1
385
  export FIND_BASE
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
399
  if test $VERBOSE -gt 1
400
  then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
401
 
402
  # Check files which are symlinks as well as those which are files.
403
  #
404
  cd ${INPUT}
405
  required="$required `if $LINKS; then
406
    find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
407
  else
408
    find ${FIND_BASE}/. -name '*.h' -type f -print
409
  fi | \
410
    sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
411
    ${FIXINCL}`"
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
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
434
        if test $VERBOSE -gt 2
435
        then echo Copied $2 ; fi
436
        for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' $3 |
437
             sed -e 's/^[       ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`
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
444
    fi
445
    shift; shift; shift
446
  done
447
  set x $newreq
448
  shift
449
done
450
 
451
if test $VERBOSE -gt 2
452
then echo 'Cleaning up DONE files.' ; fi
453
cd $LIB
454
# Look for files case-insensitively, for the benefit of
455
# DOS/Windows filesystems.
456
find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
457
 
458
if test $VERBOSE -gt 1
459
then echo 'Cleaning up unneeded directories:' ; fi
460
cd $LIB
461
all_dirs=`find . -type d \! -name '.' -print | sort -r`
462
for file in $all_dirs; do
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
 
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"
474
 
475
  all_dirs=`find . -type l -print`
476
  for file in $all_dirs
477
  do
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 && \
483
           test $VERBOSE -gt 3 && \
484
           echo "  removed `dirname $file`"
485
    fi
486
  done 2> /dev/null
487
fi
488
 
489
if test $VERBOSE -gt 0
490
then echo fixincludes is done ; fi
491
 
492
# # # # # # # # # # # # # # # # # # # # #
493
#
494
# End of for INPUT directories
495
#
496
done
497
#
498
# # # # # # # # # # # # # # # # # # # # #

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