Annotation of embedaddon/smartmontools/depcomp, revision 1.1.1.3

1.1       misho       1: #! /bin/sh
                      2: # depcomp - compile a program generating dependencies as side-effects
                      3: 
1.1.1.3 ! misho       4: scriptversion=2012-07-12.20; # UTC
1.1       misho       5: 
1.1.1.3 ! misho       6: # Copyright (C) 1999-2012 Free Software Foundation, Inc.
1.1       misho       7: 
                      8: # This program is free software; you can redistribute it and/or modify
                      9: # it under the terms of the GNU General Public License as published by
                     10: # the Free Software Foundation; either version 2, or (at your option)
                     11: # any later version.
                     12: 
                     13: # This program is distributed in the hope that it will be useful,
                     14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: # GNU General Public License for more details.
                     17: 
                     18: # You should have received a copy of the GNU General Public License
                     19: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     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: case $1 in
                     29:   '')
1.1.1.3 ! misho      30:      echo "$0: No command.  Try '$0 --help' for more information." 1>&2
1.1       misho      31:      exit 1;
                     32:      ;;
                     33:   -h | --h*)
                     34:     cat <<\EOF
                     35: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
                     36: 
                     37: Run PROGRAMS ARGS to compile a file, generating dependencies
                     38: as side-effects.
                     39: 
                     40: Environment variables:
                     41:   depmode     Dependency tracking mode.
1.1.1.3 ! misho      42:   source      Source file read by 'PROGRAMS ARGS'.
        !            43:   object      Object file output by 'PROGRAMS ARGS'.
1.1       misho      44:   DEPDIR      directory where to store dependencies.
                     45:   depfile     Dependency file to output.
1.1.1.2   misho      46:   tmpdepfile  Temporary file to use when outputting dependencies.
1.1       misho      47:   libtool     Whether libtool is used (yes/no).
                     48: 
                     49: Report bugs to <bug-automake@gnu.org>.
                     50: EOF
                     51:     exit $?
                     52:     ;;
                     53:   -v | --v*)
                     54:     echo "depcomp $scriptversion"
                     55:     exit $?
                     56:     ;;
                     57: esac
                     58: 
1.1.1.3 ! misho      59: # A tabulation character.
        !            60: tab='  '
        !            61: # A newline character.
        !            62: nl='
        !            63: '
        !            64: 
1.1       misho      65: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
                     66:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
                     67:   exit 1
                     68: fi
                     69: 
                     70: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
                     71: depfile=${depfile-`echo "$object" |
                     72:   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
                     73: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
                     74: 
                     75: rm -f "$tmpdepfile"
                     76: 
1.1.1.3 ! misho      77: # Avoid interferences from the environment.
        !            78: gccflag= dashmflag=
        !            79: 
1.1       misho      80: # Some modes work just like other modes, but use different flags.  We
                     81: # parameterize here, but still list the modes in the big case below,
                     82: # to make depend.m4 easier to write.  Note that we *cannot* use a case
                     83: # here, because this file can only contain one case statement.
                     84: if test "$depmode" = hp; then
                     85:   # HP compiler uses -M and no extra arg.
                     86:   gccflag=-M
                     87:   depmode=gcc
                     88: fi
                     89: 
                     90: if test "$depmode" = dashXmstdout; then
                     91:    # This is just like dashmstdout with a different argument.
                     92:    dashmflag=-xM
                     93:    depmode=dashmstdout
                     94: fi
                     95: 
                     96: cygpath_u="cygpath -u -f -"
                     97: if test "$depmode" = msvcmsys; then
                     98:    # This is just like msvisualcpp but w/o cygpath translation.
                     99:    # Just convert the backslash-escaped backslashes to single forward
                    100:    # slashes to satisfy depend.m4
1.1.1.2   misho     101:    cygpath_u='sed s,\\\\,/,g'
1.1       misho     102:    depmode=msvisualcpp
                    103: fi
                    104: 
1.1.1.2   misho     105: if test "$depmode" = msvc7msys; then
                    106:    # This is just like msvc7 but w/o cygpath translation.
                    107:    # Just convert the backslash-escaped backslashes to single forward
                    108:    # slashes to satisfy depend.m4
                    109:    cygpath_u='sed s,\\\\,/,g'
                    110:    depmode=msvc7
                    111: fi
                    112: 
1.1.1.3 ! misho     113: if test "$depmode" = xlc; then
        !           114:    # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
        !           115:    gccflag=-qmakedep=gcc,-MF
        !           116:    depmode=gcc
        !           117: fi
        !           118: 
1.1       misho     119: case "$depmode" in
                    120: gcc3)
                    121: ## gcc 3 implements dependency tracking that does exactly what
                    122: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
                    123: ## it if -MD -MP comes after the -MF stuff.  Hmm.
                    124: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
                    125: ## the command line argument order; so add the flags where they
                    126: ## appear in depend2.am.  Note that the slowdown incurred here
                    127: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
                    128:   for arg
                    129:   do
                    130:     case $arg in
                    131:     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
                    132:     *)  set fnord "$@" "$arg" ;;
                    133:     esac
                    134:     shift # fnord
                    135:     shift # $arg
                    136:   done
                    137:   "$@"
                    138:   stat=$?
                    139:   if test $stat -eq 0; then :
                    140:   else
                    141:     rm -f "$tmpdepfile"
                    142:     exit $stat
                    143:   fi
                    144:   mv "$tmpdepfile" "$depfile"
                    145:   ;;
                    146: 
                    147: gcc)
1.1.1.3 ! misho     148: ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
        !           149: ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
        !           150: ## (see the conditional assignment to $gccflag above).
1.1       misho     151: ## There are various ways to get dependency output from gcc.  Here's
                    152: ## why we pick this rather obscure method:
                    153: ## - Don't want to use -MD because we'd like the dependencies to end
                    154: ##   up in a subdir.  Having to rename by hand is ugly.
                    155: ##   (We might end up doing this anyway to support other compilers.)
                    156: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
1.1.1.3 ! misho     157: ##   -MM, not -M (despite what the docs say).  Also, it might not be
        !           158: ##   supported by the other compilers which use the 'gcc' depmode.
1.1       misho     159: ## - Using -M directly means running the compiler twice (even worse
                    160: ##   than renaming).
                    161:   if test -z "$gccflag"; then
                    162:     gccflag=-MD,
                    163:   fi
                    164:   "$@" -Wp,"$gccflag$tmpdepfile"
                    165:   stat=$?
                    166:   if test $stat -eq 0; then :
                    167:   else
                    168:     rm -f "$tmpdepfile"
                    169:     exit $stat
                    170:   fi
                    171:   rm -f "$depfile"
                    172:   echo "$object : \\" > "$depfile"
                    173:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
                    174: ## The second -e expression handles DOS-style file names with drive letters.
                    175:   sed -e 's/^[^:]*: / /' \
                    176:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
1.1.1.3 ! misho     177: ## This next piece of magic avoids the "deleted header file" problem.
1.1       misho     178: ## The problem is that when a header file which appears in a .P file
                    179: ## is deleted, the dependency causes make to die (because there is
                    180: ## typically no way to rebuild the header).  We avoid this by adding
                    181: ## dummy dependencies for each header file.  Too bad gcc doesn't do
                    182: ## this for us directly.
1.1.1.3 ! misho     183:   tr ' ' "$nl" < "$tmpdepfile" |
        !           184: ## Some versions of gcc put a space before the ':'.  On the theory
1.1       misho     185: ## that the space means something, we add a space to the output as
1.1.1.2   misho     186: ## well.  hp depmode also adds that space, but also prefixes the VPATH
                    187: ## to the object.  Take care to not repeat it in the output.
1.1       misho     188: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    189: ## correctly.  Breaking it into two sed invocations is a workaround.
1.1.1.2   misho     190:     sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
                    191:       | sed -e 's/$/ :/' >> "$depfile"
1.1       misho     192:   rm -f "$tmpdepfile"
                    193:   ;;
                    194: 
                    195: hp)
                    196:   # This case exists only to let depend.m4 do its work.  It works by
                    197:   # looking at the text of this script.  This case will never be run,
                    198:   # since it is checked for above.
                    199:   exit 1
                    200:   ;;
                    201: 
                    202: sgi)
                    203:   if test "$libtool" = yes; then
                    204:     "$@" "-Wp,-MDupdate,$tmpdepfile"
                    205:   else
                    206:     "$@" -MDupdate "$tmpdepfile"
                    207:   fi
                    208:   stat=$?
                    209:   if test $stat -eq 0; then :
                    210:   else
                    211:     rm -f "$tmpdepfile"
                    212:     exit $stat
                    213:   fi
                    214:   rm -f "$depfile"
                    215: 
                    216:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
                    217:     echo "$object : \\" > "$depfile"
                    218: 
                    219:     # Clip off the initial element (the dependent).  Don't try to be
                    220:     # clever and replace this with sed code, as IRIX sed won't handle
                    221:     # lines with more than a fixed number of characters (4096 in
                    222:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
1.1.1.3 ! misho     223:     # the IRIX cc adds comments like '#:fec' to the end of the
1.1       misho     224:     # dependency line.
1.1.1.3 ! misho     225:     tr ' ' "$nl" < "$tmpdepfile" \
1.1       misho     226:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
1.1.1.3 ! misho     227:     tr "$nl" ' ' >> "$depfile"
1.1       misho     228:     echo >> "$depfile"
                    229: 
                    230:     # The second pass generates a dummy entry for each header file.
1.1.1.3 ! misho     231:     tr ' ' "$nl" < "$tmpdepfile" \
1.1       misho     232:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
                    233:    >> "$depfile"
                    234:   else
                    235:     # The sourcefile does not contain any dependencies, so just
                    236:     # store a dummy comment line, to avoid errors with the Makefile
                    237:     # "include basename.Plo" scheme.
                    238:     echo "#dummy" > "$depfile"
                    239:   fi
                    240:   rm -f "$tmpdepfile"
                    241:   ;;
                    242: 
1.1.1.3 ! misho     243: xlc)
        !           244:   # This case exists only to let depend.m4 do its work.  It works by
        !           245:   # looking at the text of this script.  This case will never be run,
        !           246:   # since it is checked for above.
        !           247:   exit 1
        !           248:   ;;
        !           249: 
1.1       misho     250: aix)
                    251:   # The C for AIX Compiler uses -M and outputs the dependencies
                    252:   # in a .u file.  In older versions, this file always lives in the
1.1.1.3 ! misho     253:   # current directory.  Also, the AIX compiler puts '$object:' at the
1.1       misho     254:   # start of each line; $object doesn't have directory information.
                    255:   # Version 6 uses the directory in both cases.
                    256:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    257:   test "x$dir" = "x$object" && dir=
                    258:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    259:   if test "$libtool" = yes; then
                    260:     tmpdepfile1=$dir$base.u
                    261:     tmpdepfile2=$base.u
                    262:     tmpdepfile3=$dir.libs/$base.u
                    263:     "$@" -Wc,-M
                    264:   else
                    265:     tmpdepfile1=$dir$base.u
                    266:     tmpdepfile2=$dir$base.u
                    267:     tmpdepfile3=$dir$base.u
                    268:     "$@" -M
                    269:   fi
                    270:   stat=$?
                    271: 
                    272:   if test $stat -eq 0; then :
                    273:   else
                    274:     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
                    275:     exit $stat
                    276:   fi
                    277: 
                    278:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
                    279:   do
                    280:     test -f "$tmpdepfile" && break
                    281:   done
                    282:   if test -f "$tmpdepfile"; then
1.1.1.3 ! misho     283:     # Each line is of the form 'foo.o: dependent.h'.
1.1       misho     284:     # Do two passes, one to just change these to
1.1.1.3 ! misho     285:     # '$object: dependent.h' and one to simply 'dependent.h:'.
1.1       misho     286:     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
1.1.1.3 ! misho     287:     sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
1.1       misho     288:   else
                    289:     # The sourcefile does not contain any dependencies, so just
                    290:     # store a dummy comment line, to avoid errors with the Makefile
                    291:     # "include basename.Plo" scheme.
                    292:     echo "#dummy" > "$depfile"
                    293:   fi
                    294:   rm -f "$tmpdepfile"
                    295:   ;;
                    296: 
                    297: icc)
1.1.1.3 ! misho     298:   # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
        !           299:   # However on
        !           300:   #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
1.1       misho     301:   # ICC 7.0 will fill foo.d with something like
                    302:   #    foo.o: sub/foo.c
                    303:   #    foo.o: sub/foo.h
1.1.1.3 ! misho     304:   # which is wrong.  We want
1.1       misho     305:   #    sub/foo.o: sub/foo.c
                    306:   #    sub/foo.o: sub/foo.h
                    307:   #    sub/foo.c:
                    308:   #    sub/foo.h:
                    309:   # ICC 7.1 will output
                    310:   #    foo.o: sub/foo.c sub/foo.h
1.1.1.3 ! misho     311:   # and will wrap long lines using '\':
1.1       misho     312:   #    foo.o: sub/foo.c ... \
                    313:   #     sub/foo.h ... \
                    314:   #     ...
1.1.1.3 ! misho     315:   # tcc 0.9.26 (FIXME still under development at the moment of writing)
        !           316:   # will emit a similar output, but also prepend the continuation lines
        !           317:   # with horizontal tabulation characters.
1.1       misho     318:   "$@" -MD -MF "$tmpdepfile"
                    319:   stat=$?
                    320:   if test $stat -eq 0; then :
                    321:   else
                    322:     rm -f "$tmpdepfile"
                    323:     exit $stat
                    324:   fi
                    325:   rm -f "$depfile"
1.1.1.3 ! misho     326:   # Each line is of the form 'foo.o: dependent.h',
        !           327:   # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
        !           328:   # Do two passes, one to just change these to
        !           329:   # '$object: dependent.h' and one to simply 'dependent.h:'.
        !           330:   sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \
        !           331:     < "$tmpdepfile" > "$depfile"
        !           332:   sed '
        !           333:     s/[ '"$tab"'][ '"$tab"']*/ /g
        !           334:     s/^ *//
        !           335:     s/ *\\*$//
        !           336:     s/^[^:]*: *//
        !           337:     /^$/d
        !           338:     /:$/d
        !           339:     s/$/ :/
        !           340:   ' < "$tmpdepfile" >> "$depfile"
        !           341:   rm -f "$tmpdepfile"
        !           342:   ;;
        !           343: 
        !           344: ## The order of this option in the case statement is important, since the
        !           345: ## shell code in configure will try each of these formats in the order
        !           346: ## listed in this file.  A plain '-MD' option would be understood by many
        !           347: ## compilers, so we must ensure this comes after the gcc and icc options.
        !           348: pgcc)
        !           349:   # Portland's C compiler understands '-MD'.
        !           350:   # Will always output deps to 'file.d' where file is the root name of the
        !           351:   # source file under compilation, even if file resides in a subdirectory.
        !           352:   # The object file name does not affect the name of the '.d' file.
        !           353:   # pgcc 10.2 will output
        !           354:   #    foo.o: sub/foo.c sub/foo.h
        !           355:   # and will wrap long lines using '\' :
        !           356:   #    foo.o: sub/foo.c ... \
        !           357:   #     sub/foo.h ... \
        !           358:   #     ...
        !           359:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
        !           360:   test "x$dir" = "x$object" && dir=
        !           361:   # Use the source, not the object, to determine the base name, since
        !           362:   # that's sadly what pgcc will do too.
        !           363:   base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'`
        !           364:   tmpdepfile="$base.d"
        !           365: 
        !           366:   # For projects that build the same source file twice into different object
        !           367:   # files, the pgcc approach of using the *source* file root name can cause
        !           368:   # problems in parallel builds.  Use a locking strategy to avoid stomping on
        !           369:   # the same $tmpdepfile.
        !           370:   lockdir="$base.d-lock"
        !           371:   trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15
        !           372:   numtries=100
        !           373:   i=$numtries
        !           374:   while test $i -gt 0 ; do
        !           375:     # mkdir is a portable test-and-set.
        !           376:     if mkdir $lockdir 2>/dev/null; then
        !           377:       # This process acquired the lock.
        !           378:       "$@" -MD
        !           379:       stat=$?
        !           380:       # Release the lock.
        !           381:       rm -rf $lockdir
        !           382:       break
        !           383:     else
        !           384:       ## the lock is being held by a different process,
        !           385:       ## wait until the winning process is done or we timeout
        !           386:       while test -d $lockdir && test $i -gt 0; do
        !           387:         sleep 1
        !           388:         i=`expr $i - 1`
        !           389:       done
        !           390:     fi
        !           391:     i=`expr $i - 1`
        !           392:   done
        !           393:   trap - 1 2 13 15
        !           394:   if test $i -le 0; then
        !           395:     echo "$0: failed to acquire lock after $numtries attempts" >&2
        !           396:     echo "$0: check lockdir '$lockdir'" >&2
        !           397:     exit 1
        !           398:   fi
        !           399: 
        !           400:   if test $stat -ne 0; then
        !           401:     rm -f "$tmpdepfile"
        !           402:     exit $stat
        !           403:   fi
        !           404:   rm -f "$depfile"
1.1       misho     405:   # Each line is of the form `foo.o: dependent.h',
                    406:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
                    407:   # Do two passes, one to just change these to
                    408:   # `$object: dependent.h' and one to simply `dependent.h:'.
                    409:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
                    410:   # Some versions of the HPUX 10.20 sed can't process this invocation
                    411:   # correctly.  Breaking it into two sed invocations is a workaround.
                    412:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
                    413:     sed -e 's/$/ :/' >> "$depfile"
                    414:   rm -f "$tmpdepfile"
                    415:   ;;
                    416: 
                    417: hp2)
                    418:   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
                    419:   # compilers, which have integrated preprocessors.  The correct option
                    420:   # to use with these is +Maked; it writes dependencies to a file named
                    421:   # 'foo.d', which lands next to the object file, wherever that
                    422:   # happens to be.
                    423:   # Much of this is similar to the tru64 case; see comments there.
                    424:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    425:   test "x$dir" = "x$object" && dir=
                    426:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    427:   if test "$libtool" = yes; then
                    428:     tmpdepfile1=$dir$base.d
                    429:     tmpdepfile2=$dir.libs/$base.d
                    430:     "$@" -Wc,+Maked
                    431:   else
                    432:     tmpdepfile1=$dir$base.d
                    433:     tmpdepfile2=$dir$base.d
                    434:     "$@" +Maked
                    435:   fi
                    436:   stat=$?
                    437:   if test $stat -eq 0; then :
                    438:   else
                    439:      rm -f "$tmpdepfile1" "$tmpdepfile2"
                    440:      exit $stat
                    441:   fi
                    442: 
                    443:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
                    444:   do
                    445:     test -f "$tmpdepfile" && break
                    446:   done
                    447:   if test -f "$tmpdepfile"; then
                    448:     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
1.1.1.3 ! misho     449:     # Add 'dependent.h:' lines.
1.1       misho     450:     sed -ne '2,${
                    451:               s/^ *//
                    452:               s/ \\*$//
                    453:               s/$/:/
                    454:               p
                    455:             }' "$tmpdepfile" >> "$depfile"
                    456:   else
                    457:     echo "#dummy" > "$depfile"
                    458:   fi
                    459:   rm -f "$tmpdepfile" "$tmpdepfile2"
                    460:   ;;
                    461: 
                    462: tru64)
                    463:    # The Tru64 compiler uses -MD to generate dependencies as a side
1.1.1.3 ! misho     464:    # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
1.1       misho     465:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
1.1.1.3 ! misho     466:    # dependencies in 'foo.d' instead, so we check for that too.
1.1       misho     467:    # Subdirectories are respected.
                    468:    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    469:    test "x$dir" = "x$object" && dir=
                    470:    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    471: 
                    472:    if test "$libtool" = yes; then
                    473:       # With Tru64 cc, shared objects can also be used to make a
                    474:       # static library.  This mechanism is used in libtool 1.4 series to
                    475:       # handle both shared and static libraries in a single compilation.
                    476:       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
                    477:       #
                    478:       # With libtool 1.5 this exception was removed, and libtool now
                    479:       # generates 2 separate objects for the 2 libraries.  These two
                    480:       # compilations output dependencies in $dir.libs/$base.o.d and
                    481:       # in $dir$base.o.d.  We have to check for both files, because
                    482:       # one of the two compilations can be disabled.  We should prefer
                    483:       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
                    484:       # automatically cleaned when .libs/ is deleted, while ignoring
                    485:       # the former would cause a distcleancheck panic.
                    486:       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
                    487:       tmpdepfile2=$dir$base.o.d          # libtool 1.5
                    488:       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
                    489:       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
                    490:       "$@" -Wc,-MD
                    491:    else
                    492:       tmpdepfile1=$dir$base.o.d
                    493:       tmpdepfile2=$dir$base.d
                    494:       tmpdepfile3=$dir$base.d
                    495:       tmpdepfile4=$dir$base.d
                    496:       "$@" -MD
                    497:    fi
                    498: 
                    499:    stat=$?
                    500:    if test $stat -eq 0; then :
                    501:    else
                    502:       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
                    503:       exit $stat
                    504:    fi
                    505: 
                    506:    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
                    507:    do
                    508:      test -f "$tmpdepfile" && break
                    509:    done
                    510:    if test -f "$tmpdepfile"; then
                    511:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
1.1.1.3 ! misho     512:       sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
1.1       misho     513:    else
                    514:       echo "#dummy" > "$depfile"
                    515:    fi
                    516:    rm -f "$tmpdepfile"
                    517:    ;;
                    518: 
1.1.1.2   misho     519: msvc7)
                    520:   if test "$libtool" = yes; then
                    521:     showIncludes=-Wc,-showIncludes
                    522:   else
                    523:     showIncludes=-showIncludes
                    524:   fi
                    525:   "$@" $showIncludes > "$tmpdepfile"
                    526:   stat=$?
                    527:   grep -v '^Note: including file: ' "$tmpdepfile"
                    528:   if test "$stat" = 0; then :
                    529:   else
                    530:     rm -f "$tmpdepfile"
                    531:     exit $stat
                    532:   fi
                    533:   rm -f "$depfile"
                    534:   echo "$object : \\" > "$depfile"
                    535:   # The first sed program below extracts the file names and escapes
                    536:   # backslashes for cygpath.  The second sed program outputs the file
                    537:   # name when reading, but also accumulates all include files in the
                    538:   # hold buffer in order to output them again at the end.  This only
                    539:   # works with sed implementations that can handle large buffers.
                    540:   sed < "$tmpdepfile" -n '
                    541: /^Note: including file:  *\(.*\)/ {
                    542:   s//\1/
                    543:   s/\\/\\\\/g
                    544:   p
                    545: }' | $cygpath_u | sort -u | sed -n '
                    546: s/ /\\ /g
1.1.1.3 ! misho     547: s/\(.*\)/'"$tab"'\1 \\/p
1.1.1.2   misho     548: s/.\(.*\) \\/\1:/
                    549: H
                    550: $ {
1.1.1.3 ! misho     551:   s/.*/'"$tab"'/
1.1.1.2   misho     552:   G
                    553:   p
                    554: }' >> "$depfile"
                    555:   rm -f "$tmpdepfile"
                    556:   ;;
                    557: 
                    558: msvc7msys)
                    559:   # This case exists only to let depend.m4 do its work.  It works by
                    560:   # looking at the text of this script.  This case will never be run,
                    561:   # since it is checked for above.
                    562:   exit 1
                    563:   ;;
                    564: 
1.1       misho     565: #nosideeffect)
                    566:   # This comment above is used by automake to tell side-effect
                    567:   # dependency tracking mechanisms from slower ones.
                    568: 
                    569: dashmstdout)
                    570:   # Important note: in order to support this mode, a compiler *must*
                    571:   # always write the preprocessed file to stdout, regardless of -o.
                    572:   "$@" || exit $?
                    573: 
                    574:   # Remove the call to Libtool.
                    575:   if test "$libtool" = yes; then
                    576:     while test "X$1" != 'X--mode=compile'; do
                    577:       shift
                    578:     done
                    579:     shift
                    580:   fi
                    581: 
1.1.1.3 ! misho     582:   # Remove '-o $object'.
1.1       misho     583:   IFS=" "
                    584:   for arg
                    585:   do
                    586:     case $arg in
                    587:     -o)
                    588:       shift
                    589:       ;;
                    590:     $object)
                    591:       shift
                    592:       ;;
                    593:     *)
                    594:       set fnord "$@" "$arg"
                    595:       shift # fnord
                    596:       shift # $arg
                    597:       ;;
                    598:     esac
                    599:   done
                    600: 
                    601:   test -z "$dashmflag" && dashmflag=-M
1.1.1.3 ! misho     602:   # Require at least two characters before searching for ':'
1.1       misho     603:   # in the target name.  This is to cope with DOS-style filenames:
1.1.1.3 ! misho     604:   # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
1.1       misho     605:   "$@" $dashmflag |
1.1.1.3 ! misho     606:     sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
1.1       misho     607:   rm -f "$depfile"
                    608:   cat < "$tmpdepfile" > "$depfile"
1.1.1.3 ! misho     609:   tr ' ' "$nl" < "$tmpdepfile" | \
1.1       misho     610: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    611: ## correctly.  Breaking it into two sed invocations is a workaround.
                    612:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
                    613:   rm -f "$tmpdepfile"
                    614:   ;;
                    615: 
                    616: dashXmstdout)
                    617:   # This case only exists to satisfy depend.m4.  It is never actually
                    618:   # run, as this mode is specially recognized in the preamble.
                    619:   exit 1
                    620:   ;;
                    621: 
                    622: makedepend)
                    623:   "$@" || exit $?
                    624:   # Remove any Libtool call
                    625:   if test "$libtool" = yes; then
                    626:     while test "X$1" != 'X--mode=compile'; do
                    627:       shift
                    628:     done
                    629:     shift
                    630:   fi
                    631:   # X makedepend
                    632:   shift
                    633:   cleared=no eat=no
                    634:   for arg
                    635:   do
                    636:     case $cleared in
                    637:     no)
                    638:       set ""; shift
                    639:       cleared=yes ;;
                    640:     esac
                    641:     if test $eat = yes; then
                    642:       eat=no
                    643:       continue
                    644:     fi
                    645:     case "$arg" in
                    646:     -D*|-I*)
                    647:       set fnord "$@" "$arg"; shift ;;
                    648:     # Strip any option that makedepend may not understand.  Remove
                    649:     # the object too, otherwise makedepend will parse it as a source file.
                    650:     -arch)
                    651:       eat=yes ;;
                    652:     -*|$object)
                    653:       ;;
                    654:     *)
                    655:       set fnord "$@" "$arg"; shift ;;
                    656:     esac
                    657:   done
                    658:   obj_suffix=`echo "$object" | sed 's/^.*\././'`
                    659:   touch "$tmpdepfile"
                    660:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
                    661:   rm -f "$depfile"
1.1.1.2   misho     662:   # makedepend may prepend the VPATH from the source file name to the object.
                    663:   # No need to regex-escape $object, excess matching of '.' is harmless.
                    664:   sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
1.1.1.3 ! misho     665:   sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
1.1       misho     666: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    667: ## correctly.  Breaking it into two sed invocations is a workaround.
                    668:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
                    669:   rm -f "$tmpdepfile" "$tmpdepfile".bak
                    670:   ;;
                    671: 
                    672: cpp)
                    673:   # Important note: in order to support this mode, a compiler *must*
                    674:   # always write the preprocessed file to stdout.
                    675:   "$@" || exit $?
                    676: 
                    677:   # Remove the call to Libtool.
                    678:   if test "$libtool" = yes; then
                    679:     while test "X$1" != 'X--mode=compile'; do
                    680:       shift
                    681:     done
                    682:     shift
                    683:   fi
                    684: 
1.1.1.3 ! misho     685:   # Remove '-o $object'.
1.1       misho     686:   IFS=" "
                    687:   for arg
                    688:   do
                    689:     case $arg in
                    690:     -o)
                    691:       shift
                    692:       ;;
                    693:     $object)
                    694:       shift
                    695:       ;;
                    696:     *)
                    697:       set fnord "$@" "$arg"
                    698:       shift # fnord
                    699:       shift # $arg
                    700:       ;;
                    701:     esac
                    702:   done
                    703: 
                    704:   "$@" -E |
                    705:     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
                    706:        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
                    707:     sed '$ s: \\$::' > "$tmpdepfile"
                    708:   rm -f "$depfile"
                    709:   echo "$object : \\" > "$depfile"
                    710:   cat < "$tmpdepfile" >> "$depfile"
                    711:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
                    712:   rm -f "$tmpdepfile"
                    713:   ;;
                    714: 
                    715: msvisualcpp)
                    716:   # Important note: in order to support this mode, a compiler *must*
                    717:   # always write the preprocessed file to stdout.
                    718:   "$@" || exit $?
                    719: 
                    720:   # Remove the call to Libtool.
                    721:   if test "$libtool" = yes; then
                    722:     while test "X$1" != 'X--mode=compile'; do
                    723:       shift
                    724:     done
                    725:     shift
                    726:   fi
                    727: 
                    728:   IFS=" "
                    729:   for arg
                    730:   do
                    731:     case "$arg" in
                    732:     -o)
                    733:       shift
                    734:       ;;
                    735:     $object)
                    736:       shift
                    737:       ;;
                    738:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
                    739:        set fnord "$@"
                    740:        shift
                    741:        shift
                    742:        ;;
                    743:     *)
                    744:        set fnord "$@" "$arg"
                    745:        shift
                    746:        shift
                    747:        ;;
                    748:     esac
                    749:   done
                    750:   "$@" -E 2>/dev/null |
                    751:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
                    752:   rm -f "$depfile"
                    753:   echo "$object : \\" > "$depfile"
1.1.1.3 ! misho     754:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
        !           755:   echo "$tab" >> "$depfile"
1.1       misho     756:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
                    757:   rm -f "$tmpdepfile"
                    758:   ;;
                    759: 
                    760: msvcmsys)
                    761:   # This case exists only to let depend.m4 do its work.  It works by
                    762:   # looking at the text of this script.  This case will never be run,
                    763:   # since it is checked for above.
                    764:   exit 1
                    765:   ;;
                    766: 
                    767: none)
                    768:   exec "$@"
                    769:   ;;
                    770: 
                    771: *)
                    772:   echo "Unknown depmode $depmode" 1>&2
                    773:   exit 1
                    774:   ;;
                    775: esac
                    776: 
                    777: exit 0
                    778: 
                    779: # Local Variables:
                    780: # mode: shell-script
                    781: # sh-indentation: 2
                    782: # eval: (add-hook 'write-file-hooks 'time-stamp)
                    783: # time-stamp-start: "scriptversion="
                    784: # time-stamp-format: "%:y-%02m-%02d.%02H"
                    785: # time-stamp-time-zone: "UTC"
                    786: # time-stamp-end: "; # UTC"
                    787: # End:

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