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Tina5/tina-libs/depcomp

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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 
 28 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
 29   echo "depcomp: Variables source, object and depmode must be set" 1>&2
 30   exit 1
 31 fi
 32 # `libtool' can also be set to `yes' or `no'.
 33 
 34 if test -z "$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/$base"
 42 fi
 43 
 44 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 45 
 46 rm -f "$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.
 52 if test "$depmode" = hp; then
 53   # HP compiler uses -M and no extra arg.
 54   gccflag=-M
 55   depmode=gcc
 56 fi
 57 
 58 if test "$depmode" = dashXmstdout; then
 59    # This is just like dashmstdout with a different argument.
 60    dashmflag=-xM
 61    depmode=dashmstdout
 62 fi
 63 
 64 case "$depmode" in
 65 gcc3)
 66 ## gcc 3 implements dependency tracking that does exactly what
 67 ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
 68 ## it if -MD -MP comes after the -MF stuff.  Hmm.
 69   "$@" -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" "$depfile"
 77   ;;
 78 
 79 gcc)
 80 ## There are various ways to get dependency output from gcc.  Here's
 81 ## why we pick this rather obscure method:
 82 ## - Don't want to use -MD because we'd like the dependencies to end
 83 ##   up in a subdir.  Having to rename by hand is ugly.
 84 ##   (We might end up doing this anyway to support other compilers.)
 85 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
 86 ##   -MM, not -M (despite what the docs say).
 87 ## - Using -M directly means running the compiler twice (even worse
 88 ##   than renaming).
 89   if test -z "$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 "$tmpdepfile"
120   ;;
121 
122 hp)
123   # This case exists only to let depend.m4 do its work.  It works by
124   # looking at the text of this script.  This case will never be run,
125   # since it is checked for above.
126   exit 1
127   ;;
128 
129 sgi)
130   if test "$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 "$tmpdepfile"
171   ;;
172 
173 aix)
174   # The C for AIX Compiler uses -M and outputs the dependencies
175   # in a .u file.  This file always lives in the current directory.
176   # Also, the AIX compiler puts `$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 "$tmpdepfile"
207   ;;
208 
209 tru64)
210    # The Tru64 compiler uses -MD to generate dependencies as a side
211    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
212    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
213    # dependencies in `foo.d' instead, so we check for that too.
214    # Subdirectories are respected.
215    dir=`echo "$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 "$tmpdepfile"
249    ;;
250 
251 #nosideeffect)
252   # This comment above is used by automake to tell side-effect
253   # dependency tracking mechanisms from slower ones.
254 
255 dashmstdout)
256   # Important note: in order to support this mode, a compiler *must*
257   # always write the proprocessed file to stdout, regardless of -o.
258   "$@" || 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 "$tmpdepfile"
299   ;;
300 
301 dashXmstdout)
302   # This case only exists to satisfy depend.m4.  It is never actually
303   # run, as this mode is specially recognized in the preamble.
304   exit 1
305   ;;
306 
307 makedepend)
308   "$@" || 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 
340 cpp)
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 "$tmpdepfile"
380   ;;
381 
382 msvisualcpp)
383   # Important note: in order to support this mode, a compiler *must*
384   # always write the proprocessed file to stdout, regardless of -o,
385   # because we must use -o when running libtool.
386   "$@" || 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 "$tmpdepfile"
411   ;;
412 
413 none)
414   exec "$@"
415   ;;
416 
417 *)
418   echo "Unknown depmode $depmode" 1>&2
419   exit 1
420   ;;
421 esac
422 
423 exit 0

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