source: trunk/third/atk/depcomp @ 20776

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1#! /bin/sh
2
3# depcomp - compile a program generating dependencies as side-effects
4# Copyright 1999, 2000 Free Software Foundation, Inc.
5
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 2, or (at your option)
9# any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19# 02111-1307, USA.
20
21# As a special exception to the GNU General Public License, if you
22# distribute this file as part of a program that contains a
23# configuration script generated by Autoconf, you may include it under
24# the same distribution terms that you use for the rest of that program.
25
26# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
27
28if test -z "$depmode" || test -z "$source" || test -z "$object"; then
29  echo "depcomp: Variables source, object and depmode must be set" 1>&2
30  exit 1
31fi
32# `libtool' can also be set to `yes' or `no'.
33
34if test -z "$depfile"; then
35   base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
36   dir=`echo "$object" | sed 's,/.*$,/,'`
37   if test "$dir" = "$object"; then
38      dir=
39   fi
40   # FIXME: should be _deps on DOS.
41   depfile="$dir.deps/$base"
42fi
43
44tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
45
46rm -f "$tmpdepfile"
47
48# Some modes work just like other modes, but use different flags.  We
49# parameterize here, but still list the modes in the big case below,
50# to make depend.m4 easier to write.  Note that we *cannot* use a case
51# here, because this file can only contain one case statement.
52if test "$depmode" = hp; then
53  # HP compiler uses -M and no extra arg.
54  gccflag=-M
55  depmode=gcc
56fi
57
58if test "$depmode" = dashXmstdout; then
59   # This is just like dashmstdout with a different argument.
60   dashmflag=-xM
61   depmode=dashmstdout
62fi
63
64case "$depmode" in
65gcc3)
66## gcc 3 implements dependency tracking that does exactly what
67## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
68## it if -MD -MP comes after the -MF stuff.  Hmm.
69  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
70  stat=$?
71  if test $stat -eq 0; then :
72  else
73    rm -f "$tmpdepfile"
74    exit $stat
75  fi
76  mv "$tmpdepfile" "$depfile"
77  ;;
78
79gcc)
80## There are various ways to get dependency output from gcc.  Here's
81## why we pick this rather obscure method:
82## - Don't want to use -MD because we'd like the dependencies to end
83##   up in a subdir.  Having to rename by hand is ugly.
84##   (We might end up doing this anyway to support other compilers.)
85## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
86##   -MM, not -M (despite what the docs say).
87## - Using -M directly means running the compiler twice (even worse
88##   than renaming).
89  if test -z "$gccflag"; then
90    gccflag=-MD,
91  fi
92  "$@" -Wp,"$gccflag$tmpdepfile"
93  stat=$?
94  if test $stat -eq 0; then :
95  else
96    rm -f "$tmpdepfile"
97    exit $stat
98  fi
99  rm -f "$depfile"
100  echo "$object : \\" > "$depfile"
101  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
102## The second -e expression handles DOS-style file names with drive letters.
103  sed -e 's/^[^:]*: / /' \
104      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
105## This next piece of magic avoids the `deleted header file' problem.
106## The problem is that when a header file which appears in a .P file
107## is deleted, the dependency causes make to die (because there is
108## typically no way to rebuild the header).  We avoid this by adding
109## dummy dependencies for each header file.  Too bad gcc doesn't do
110## this for us directly.
111  tr ' ' '
112' < "$tmpdepfile" |
113## Some versions of gcc put a space before the `:'.  On the theory
114## that the space means something, we add a space to the output as
115## well.
116## Some versions of the HPUX 10.20 sed can't process this invocation
117## correctly.  Breaking it into two sed invocations is a workaround.
118    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
119  rm -f "$tmpdepfile"
120  ;;
121
122hp)
123  # This case exists only to let depend.m4 do its work.  It works by
124  # looking at the text of this script.  This case will never be run,
125  # since it is checked for above.
126  exit 1
127  ;;
128
129sgi)
130  if test "$libtool" = yes; then
131    "$@" "-Wp,-MDupdate,$tmpdepfile"
132  else
133    "$@" -MDupdate "$tmpdepfile"
134  fi
135  stat=$?
136  if test $stat -eq 0; then :
137  else
138    rm -f "$tmpdepfile"
139    exit $stat
140  fi
141  rm -f "$depfile"
142
143  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
144    echo "$object : \\" > "$depfile"
145
146    # Clip off the initial element (the dependent).  Don't try to be
147    # clever and replace this with sed code, as IRIX sed won't handle
148    # lines with more than a fixed number of characters (4096 in
149    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
150    # the IRIX cc adds comments like `#:fec' to the end of the
151    # dependency line.
152    tr ' ' '
153' < "$tmpdepfile" \
154    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
155    tr '
156' ' ' >> $depfile
157    echo >> $depfile
158
159    # The second pass generates a dummy entry for each header file.
160    tr ' ' '
161' < "$tmpdepfile" \
162   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
163   >> $depfile
164  else
165    # The sourcefile does not contain any dependencies, so just
166    # store a dummy comment line, to avoid errors with the Makefile
167    # "include basename.Plo" scheme.
168    echo "#dummy" > "$depfile"
169  fi
170  rm -f "$tmpdepfile"
171  ;;
172
173aix)
174  # The C for AIX Compiler uses -M and outputs the dependencies
175  # in a .u file.  This file always lives in the current directory.
176  # Also, the AIX compiler puts `$object:' at the start of each line;
177  # $object doesn't have directory information.
178  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
179  tmpdepfile="$stripped.u"
180  outname="$stripped.o"
181  if test "$libtool" = yes; then
182    "$@" -Wc,-M
183  else
184    "$@" -M
185  fi
186
187  stat=$?
188  if test $stat -eq 0; then :
189  else
190    rm -f "$tmpdepfile"
191    exit $stat
192  fi
193
194  if test -f "$tmpdepfile"; then
195    # Each line is of the form `foo.o: dependent.h'.
196    # Do two passes, one to just change these to
197    # `$object: dependent.h' and one to simply `dependent.h:'.
198    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
199    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
200  else
201    # The sourcefile does not contain any dependencies, so just
202    # store a dummy comment line, to avoid errors with the Makefile
203    # "include basename.Plo" scheme.
204    echo "#dummy" > "$depfile"
205  fi
206  rm -f "$tmpdepfile"
207  ;;
208
209tru64)
210   # The Tru64 compiler uses -MD to generate dependencies as a side
211   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
212   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
213   # dependencies in `foo.d' instead, so we check for that too.
214   # Subdirectories are respected.
215   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
216   test "x$dir" = "x$object" && dir=
217   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
218
219   if test "$libtool" = yes; then
220      tmpdepfile1="$dir.libs/$base.lo.d"
221      tmpdepfile2="$dir.libs/$base.d"
222      "$@" -Wc,-MD
223   else
224      tmpdepfile1="$dir$base.o.d"
225      tmpdepfile2="$dir$base.d"
226      "$@" -MD
227   fi
228
229   stat=$?
230   if test $stat -eq 0; then :
231   else
232      rm -f "$tmpdepfile1" "$tmpdepfile2"
233      exit $stat
234   fi
235
236   if test -f "$tmpdepfile1"; then
237      tmpdepfile="$tmpdepfile1"
238   else
239      tmpdepfile="$tmpdepfile2"
240   fi
241   if test -f "$tmpdepfile"; then
242      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
243      # That's a space and a tab in the [].
244      sed -e 's,^.*\.[a-z]*:[   ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
245   else
246      echo "#dummy" > "$depfile"
247   fi
248   rm -f "$tmpdepfile"
249   ;;
250
251#nosideeffect)
252  # This comment above is used by automake to tell side-effect
253  # dependency tracking mechanisms from slower ones.
254
255dashmstdout)
256  # Important note: in order to support this mode, a compiler *must*
257  # always write the proprocessed file to stdout, regardless of -o.
258  "$@" || exit $?
259
260  # Remove the call to Libtool.
261  if test "$libtool" = yes; then
262    while test $1 != '--mode=compile'; do
263      shift
264    done
265    shift
266  fi
267
268  # Remove `-o $object'.  We will use -o /dev/null later,
269  # however we can't do the remplacement now because
270  # `-o $object' might simply not be used
271  IFS=" "
272  for arg
273  do
274    case $arg in
275    -o)
276      shift
277      ;;
278    $object)
279      shift
280      ;;
281    *)
282      set fnord "$@" "$arg"
283      shift # fnord
284      shift # $arg
285      ;;
286    esac
287  done
288
289  test -z "$dashmflag" && dashmflag=-M
290  "$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[       ]*:'"$object"'\: :' > "$tmpdepfile"
291  rm -f "$depfile"
292  cat < "$tmpdepfile" > "$depfile"
293  tr ' ' '
294' < "$tmpdepfile" | \
295## Some versions of the HPUX 10.20 sed can't process this invocation
296## correctly.  Breaking it into two sed invocations is a workaround.
297    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
298  rm -f "$tmpdepfile"
299  ;;
300
301dashXmstdout)
302  # This case only exists to satisfy depend.m4.  It is never actually
303  # run, as this mode is specially recognized in the preamble.
304  exit 1
305  ;;
306
307makedepend)
308  "$@" || exit $?
309  # X makedepend
310  shift
311  cleared=no
312  for arg in "$@"; do
313    case $cleared in
314    no)
315      set ""; shift
316      cleared=yes ;;
317    esac
318    case "$arg" in
319    -D*|-I*)
320      set fnord "$@" "$arg"; shift ;;
321    -*)
322      ;;
323    *)
324      set fnord "$@" "$arg"; shift ;;
325    esac
326  done
327  obj_suffix="`echo $object | sed 's/^.*\././'`"
328  touch "$tmpdepfile"
329  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
330  rm -f "$depfile"
331  cat < "$tmpdepfile" > "$depfile"
332  sed '1,2d' "$tmpdepfile" | tr ' ' '
333' | \
334## Some versions of the HPUX 10.20 sed can't process this invocation
335## correctly.  Breaking it into two sed invocations is a workaround.
336    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
337  rm -f "$tmpdepfile" "$tmpdepfile".bak
338  ;;
339
340cpp)
341  # Important note: in order to support this mode, a compiler *must*
342  # always write the proprocessed file to stdout.
343  "$@" || exit $?
344
345  # Remove the call to Libtool.
346  if test "$libtool" = yes; then
347    while test $1 != '--mode=compile'; do
348      shift
349    done
350    shift
351  fi
352
353  # Remove `-o $object'.
354  IFS=" "
355  for arg
356  do
357    case $arg in
358    -o)
359      shift
360      ;;
361    $object)
362      shift
363      ;;
364    *)
365      set fnord "$@" "$arg"
366      shift # fnord
367      shift # $arg
368      ;;
369    esac
370  done
371
372  "$@" -E |
373    sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
374    sed '$ s: \\$::' > "$tmpdepfile"
375  rm -f "$depfile"
376  echo "$object : \\" > "$depfile"
377  cat < "$tmpdepfile" >> "$depfile"
378  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
379  rm -f "$tmpdepfile"
380  ;;
381
382msvisualcpp)
383  # Important note: in order to support this mode, a compiler *must*
384  # always write the proprocessed file to stdout, regardless of -o,
385  # because we must use -o when running libtool.
386  "$@" || exit $?
387  IFS=" "
388  for arg
389  do
390    case "$arg" in
391    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
392        set fnord "$@"
393        shift
394        shift
395        ;;
396    *)
397        set fnord "$@" "$arg"
398        shift
399        shift
400        ;;
401    esac
402  done
403  "$@" -E |
404  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
405  rm -f "$depfile"
406  echo "$object : \\" > "$depfile"
407  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::    \1 \\:p' >> "$depfile"
408  echo "        " >> "$depfile"
409  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
410  rm -f "$tmpdepfile"
411  ;;
412
413none)
414  exec "$@"
415  ;;
416
417*)
418  echo "Unknown depmode $depmode" 1>&2
419  exit 1
420  ;;
421esac
422
423exit 0
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