Annotation of embedaddon/pcre/depcomp, revision 1.1.1.1

1.1       misho       1: #! /bin/sh
                      2: # depcomp - compile a program generating dependencies as side-effects
                      3: 
                      4: scriptversion=2009-04-28.21; # UTC
                      5: 
                      6: # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
                      7: # Software Foundation, Inc.
                      8: 
                      9: # This program is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2, or (at your option)
                     12: # any later version.
                     13: 
                     14: # This program is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: 
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     21: 
                     22: # As a special exception to the GNU General Public License, if you
                     23: # distribute this file as part of a program that contains a
                     24: # configuration script generated by Autoconf, you may include it under
                     25: # the same distribution terms that you use for the rest of that program.
                     26: 
                     27: # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
                     28: 
                     29: case $1 in
                     30:   '')
                     31:      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
                     32:      exit 1;
                     33:      ;;
                     34:   -h | --h*)
                     35:     cat <<\EOF
                     36: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
                     37: 
                     38: Run PROGRAMS ARGS to compile a file, generating dependencies
                     39: as side-effects.
                     40: 
                     41: Environment variables:
                     42:   depmode     Dependency tracking mode.
                     43:   source      Source file read by `PROGRAMS ARGS'.
                     44:   object      Object file output by `PROGRAMS ARGS'.
                     45:   DEPDIR      directory where to store dependencies.
                     46:   depfile     Dependency file to output.
                     47:   tmpdepfile  Temporary file to use when outputing dependencies.
                     48:   libtool     Whether libtool is used (yes/no).
                     49: 
                     50: Report bugs to <bug-automake@gnu.org>.
                     51: EOF
                     52:     exit $?
                     53:     ;;
                     54:   -v | --v*)
                     55:     echo "depcomp $scriptversion"
                     56:     exit $?
                     57:     ;;
                     58: esac
                     59: 
                     60: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
                     61:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
                     62:   exit 1
                     63: fi
                     64: 
                     65: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
                     66: depfile=${depfile-`echo "$object" |
                     67:   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
                     68: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
                     69: 
                     70: rm -f "$tmpdepfile"
                     71: 
                     72: # Some modes work just like other modes, but use different flags.  We
                     73: # parameterize here, but still list the modes in the big case below,
                     74: # to make depend.m4 easier to write.  Note that we *cannot* use a case
                     75: # here, because this file can only contain one case statement.
                     76: if test "$depmode" = hp; then
                     77:   # HP compiler uses -M and no extra arg.
                     78:   gccflag=-M
                     79:   depmode=gcc
                     80: fi
                     81: 
                     82: if test "$depmode" = dashXmstdout; then
                     83:    # This is just like dashmstdout with a different argument.
                     84:    dashmflag=-xM
                     85:    depmode=dashmstdout
                     86: fi
                     87: 
                     88: cygpath_u="cygpath -u -f -"
                     89: if test "$depmode" = msvcmsys; then
                     90:    # This is just like msvisualcpp but w/o cygpath translation.
                     91:    # Just convert the backslash-escaped backslashes to single forward
                     92:    # slashes to satisfy depend.m4
                     93:    cygpath_u="sed s,\\\\\\\\,/,g"
                     94:    depmode=msvisualcpp
                     95: fi
                     96: 
                     97: case "$depmode" in
                     98: gcc3)
                     99: ## gcc 3 implements dependency tracking that does exactly what
                    100: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
                    101: ## it if -MD -MP comes after the -MF stuff.  Hmm.
                    102: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
                    103: ## the command line argument order; so add the flags where they
                    104: ## appear in depend2.am.  Note that the slowdown incurred here
                    105: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
                    106:   for arg
                    107:   do
                    108:     case $arg in
                    109:     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
                    110:     *)  set fnord "$@" "$arg" ;;
                    111:     esac
                    112:     shift # fnord
                    113:     shift # $arg
                    114:   done
                    115:   "$@"
                    116:   stat=$?
                    117:   if test $stat -eq 0; then :
                    118:   else
                    119:     rm -f "$tmpdepfile"
                    120:     exit $stat
                    121:   fi
                    122:   mv "$tmpdepfile" "$depfile"
                    123:   ;;
                    124: 
                    125: gcc)
                    126: ## There are various ways to get dependency output from gcc.  Here's
                    127: ## why we pick this rather obscure method:
                    128: ## - Don't want to use -MD because we'd like the dependencies to end
                    129: ##   up in a subdir.  Having to rename by hand is ugly.
                    130: ##   (We might end up doing this anyway to support other compilers.)
                    131: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
                    132: ##   -MM, not -M (despite what the docs say).
                    133: ## - Using -M directly means running the compiler twice (even worse
                    134: ##   than renaming).
                    135:   if test -z "$gccflag"; then
                    136:     gccflag=-MD,
                    137:   fi
                    138:   "$@" -Wp,"$gccflag$tmpdepfile"
                    139:   stat=$?
                    140:   if test $stat -eq 0; then :
                    141:   else
                    142:     rm -f "$tmpdepfile"
                    143:     exit $stat
                    144:   fi
                    145:   rm -f "$depfile"
                    146:   echo "$object : \\" > "$depfile"
                    147:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
                    148: ## The second -e expression handles DOS-style file names with drive letters.
                    149:   sed -e 's/^[^:]*: / /' \
                    150:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
                    151: ## This next piece of magic avoids the `deleted header file' problem.
                    152: ## The problem is that when a header file which appears in a .P file
                    153: ## is deleted, the dependency causes make to die (because there is
                    154: ## typically no way to rebuild the header).  We avoid this by adding
                    155: ## dummy dependencies for each header file.  Too bad gcc doesn't do
                    156: ## this for us directly.
                    157:   tr ' ' '
                    158: ' < "$tmpdepfile" |
                    159: ## Some versions of gcc put a space before the `:'.  On the theory
                    160: ## that the space means something, we add a space to the output as
                    161: ## well.
                    162: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    163: ## correctly.  Breaking it into two sed invocations is a workaround.
                    164:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
                    165:   rm -f "$tmpdepfile"
                    166:   ;;
                    167: 
                    168: hp)
                    169:   # This case exists only to let depend.m4 do its work.  It works by
                    170:   # looking at the text of this script.  This case will never be run,
                    171:   # since it is checked for above.
                    172:   exit 1
                    173:   ;;
                    174: 
                    175: sgi)
                    176:   if test "$libtool" = yes; then
                    177:     "$@" "-Wp,-MDupdate,$tmpdepfile"
                    178:   else
                    179:     "$@" -MDupdate "$tmpdepfile"
                    180:   fi
                    181:   stat=$?
                    182:   if test $stat -eq 0; then :
                    183:   else
                    184:     rm -f "$tmpdepfile"
                    185:     exit $stat
                    186:   fi
                    187:   rm -f "$depfile"
                    188: 
                    189:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
                    190:     echo "$object : \\" > "$depfile"
                    191: 
                    192:     # Clip off the initial element (the dependent).  Don't try to be
                    193:     # clever and replace this with sed code, as IRIX sed won't handle
                    194:     # lines with more than a fixed number of characters (4096 in
                    195:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
                    196:     # the IRIX cc adds comments like `#:fec' to the end of the
                    197:     # dependency line.
                    198:     tr ' ' '
                    199: ' < "$tmpdepfile" \
                    200:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
                    201:     tr '
                    202: ' ' ' >> "$depfile"
                    203:     echo >> "$depfile"
                    204: 
                    205:     # The second pass generates a dummy entry for each header file.
                    206:     tr ' ' '
                    207: ' < "$tmpdepfile" \
                    208:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
                    209:    >> "$depfile"
                    210:   else
                    211:     # The sourcefile does not contain any dependencies, so just
                    212:     # store a dummy comment line, to avoid errors with the Makefile
                    213:     # "include basename.Plo" scheme.
                    214:     echo "#dummy" > "$depfile"
                    215:   fi
                    216:   rm -f "$tmpdepfile"
                    217:   ;;
                    218: 
                    219: aix)
                    220:   # The C for AIX Compiler uses -M and outputs the dependencies
                    221:   # in a .u file.  In older versions, this file always lives in the
                    222:   # current directory.  Also, the AIX compiler puts `$object:' at the
                    223:   # start of each line; $object doesn't have directory information.
                    224:   # Version 6 uses the directory in both cases.
                    225:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    226:   test "x$dir" = "x$object" && dir=
                    227:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    228:   if test "$libtool" = yes; then
                    229:     tmpdepfile1=$dir$base.u
                    230:     tmpdepfile2=$base.u
                    231:     tmpdepfile3=$dir.libs/$base.u
                    232:     "$@" -Wc,-M
                    233:   else
                    234:     tmpdepfile1=$dir$base.u
                    235:     tmpdepfile2=$dir$base.u
                    236:     tmpdepfile3=$dir$base.u
                    237:     "$@" -M
                    238:   fi
                    239:   stat=$?
                    240: 
                    241:   if test $stat -eq 0; then :
                    242:   else
                    243:     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
                    244:     exit $stat
                    245:   fi
                    246: 
                    247:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
                    248:   do
                    249:     test -f "$tmpdepfile" && break
                    250:   done
                    251:   if test -f "$tmpdepfile"; then
                    252:     # Each line is of the form `foo.o: dependent.h'.
                    253:     # Do two passes, one to just change these to
                    254:     # `$object: dependent.h' and one to simply `dependent.h:'.
                    255:     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
                    256:     # That's a tab and a space in the [].
                    257:     sed -e 's,^.*\.[a-z]*:[     ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
                    258:   else
                    259:     # The sourcefile does not contain any dependencies, so just
                    260:     # store a dummy comment line, to avoid errors with the Makefile
                    261:     # "include basename.Plo" scheme.
                    262:     echo "#dummy" > "$depfile"
                    263:   fi
                    264:   rm -f "$tmpdepfile"
                    265:   ;;
                    266: 
                    267: icc)
                    268:   # Intel's C compiler understands `-MD -MF file'.  However on
                    269:   #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
                    270:   # ICC 7.0 will fill foo.d with something like
                    271:   #    foo.o: sub/foo.c
                    272:   #    foo.o: sub/foo.h
                    273:   # which is wrong.  We want:
                    274:   #    sub/foo.o: sub/foo.c
                    275:   #    sub/foo.o: sub/foo.h
                    276:   #    sub/foo.c:
                    277:   #    sub/foo.h:
                    278:   # ICC 7.1 will output
                    279:   #    foo.o: sub/foo.c sub/foo.h
                    280:   # and will wrap long lines using \ :
                    281:   #    foo.o: sub/foo.c ... \
                    282:   #     sub/foo.h ... \
                    283:   #     ...
                    284: 
                    285:   "$@" -MD -MF "$tmpdepfile"
                    286:   stat=$?
                    287:   if test $stat -eq 0; then :
                    288:   else
                    289:     rm -f "$tmpdepfile"
                    290:     exit $stat
                    291:   fi
                    292:   rm -f "$depfile"
                    293:   # Each line is of the form `foo.o: dependent.h',
                    294:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
                    295:   # Do two passes, one to just change these to
                    296:   # `$object: dependent.h' and one to simply `dependent.h:'.
                    297:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
                    298:   # Some versions of the HPUX 10.20 sed can't process this invocation
                    299:   # correctly.  Breaking it into two sed invocations is a workaround.
                    300:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
                    301:     sed -e 's/$/ :/' >> "$depfile"
                    302:   rm -f "$tmpdepfile"
                    303:   ;;
                    304: 
                    305: hp2)
                    306:   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
                    307:   # compilers, which have integrated preprocessors.  The correct option
                    308:   # to use with these is +Maked; it writes dependencies to a file named
                    309:   # 'foo.d', which lands next to the object file, wherever that
                    310:   # happens to be.
                    311:   # Much of this is similar to the tru64 case; see comments there.
                    312:   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    313:   test "x$dir" = "x$object" && dir=
                    314:   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    315:   if test "$libtool" = yes; then
                    316:     tmpdepfile1=$dir$base.d
                    317:     tmpdepfile2=$dir.libs/$base.d
                    318:     "$@" -Wc,+Maked
                    319:   else
                    320:     tmpdepfile1=$dir$base.d
                    321:     tmpdepfile2=$dir$base.d
                    322:     "$@" +Maked
                    323:   fi
                    324:   stat=$?
                    325:   if test $stat -eq 0; then :
                    326:   else
                    327:      rm -f "$tmpdepfile1" "$tmpdepfile2"
                    328:      exit $stat
                    329:   fi
                    330: 
                    331:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
                    332:   do
                    333:     test -f "$tmpdepfile" && break
                    334:   done
                    335:   if test -f "$tmpdepfile"; then
                    336:     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
                    337:     # Add `dependent.h:' lines.
                    338:     sed -ne '2,${
                    339:               s/^ *//
                    340:               s/ \\*$//
                    341:               s/$/:/
                    342:               p
                    343:             }' "$tmpdepfile" >> "$depfile"
                    344:   else
                    345:     echo "#dummy" > "$depfile"
                    346:   fi
                    347:   rm -f "$tmpdepfile" "$tmpdepfile2"
                    348:   ;;
                    349: 
                    350: tru64)
                    351:    # The Tru64 compiler uses -MD to generate dependencies as a side
                    352:    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
                    353:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
                    354:    # dependencies in `foo.d' instead, so we check for that too.
                    355:    # Subdirectories are respected.
                    356:    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
                    357:    test "x$dir" = "x$object" && dir=
                    358:    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
                    359: 
                    360:    if test "$libtool" = yes; then
                    361:       # With Tru64 cc, shared objects can also be used to make a
                    362:       # static library.  This mechanism is used in libtool 1.4 series to
                    363:       # handle both shared and static libraries in a single compilation.
                    364:       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
                    365:       #
                    366:       # With libtool 1.5 this exception was removed, and libtool now
                    367:       # generates 2 separate objects for the 2 libraries.  These two
                    368:       # compilations output dependencies in $dir.libs/$base.o.d and
                    369:       # in $dir$base.o.d.  We have to check for both files, because
                    370:       # one of the two compilations can be disabled.  We should prefer
                    371:       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
                    372:       # automatically cleaned when .libs/ is deleted, while ignoring
                    373:       # the former would cause a distcleancheck panic.
                    374:       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
                    375:       tmpdepfile2=$dir$base.o.d          # libtool 1.5
                    376:       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
                    377:       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
                    378:       "$@" -Wc,-MD
                    379:    else
                    380:       tmpdepfile1=$dir$base.o.d
                    381:       tmpdepfile2=$dir$base.d
                    382:       tmpdepfile3=$dir$base.d
                    383:       tmpdepfile4=$dir$base.d
                    384:       "$@" -MD
                    385:    fi
                    386: 
                    387:    stat=$?
                    388:    if test $stat -eq 0; then :
                    389:    else
                    390:       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
                    391:       exit $stat
                    392:    fi
                    393: 
                    394:    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
                    395:    do
                    396:      test -f "$tmpdepfile" && break
                    397:    done
                    398:    if test -f "$tmpdepfile"; then
                    399:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
                    400:       # That's a tab and a space in the [].
                    401:       sed -e 's,^.*\.[a-z]*:[   ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
                    402:    else
                    403:       echo "#dummy" > "$depfile"
                    404:    fi
                    405:    rm -f "$tmpdepfile"
                    406:    ;;
                    407: 
                    408: #nosideeffect)
                    409:   # This comment above is used by automake to tell side-effect
                    410:   # dependency tracking mechanisms from slower ones.
                    411: 
                    412: dashmstdout)
                    413:   # Important note: in order to support this mode, a compiler *must*
                    414:   # always write the preprocessed file to stdout, regardless of -o.
                    415:   "$@" || exit $?
                    416: 
                    417:   # Remove the call to Libtool.
                    418:   if test "$libtool" = yes; then
                    419:     while test "X$1" != 'X--mode=compile'; do
                    420:       shift
                    421:     done
                    422:     shift
                    423:   fi
                    424: 
                    425:   # Remove `-o $object'.
                    426:   IFS=" "
                    427:   for arg
                    428:   do
                    429:     case $arg in
                    430:     -o)
                    431:       shift
                    432:       ;;
                    433:     $object)
                    434:       shift
                    435:       ;;
                    436:     *)
                    437:       set fnord "$@" "$arg"
                    438:       shift # fnord
                    439:       shift # $arg
                    440:       ;;
                    441:     esac
                    442:   done
                    443: 
                    444:   test -z "$dashmflag" && dashmflag=-M
                    445:   # Require at least two characters before searching for `:'
                    446:   # in the target name.  This is to cope with DOS-style filenames:
                    447:   # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
                    448:   "$@" $dashmflag |
                    449:     sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
                    450:   rm -f "$depfile"
                    451:   cat < "$tmpdepfile" > "$depfile"
                    452:   tr ' ' '
                    453: ' < "$tmpdepfile" | \
                    454: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    455: ## correctly.  Breaking it into two sed invocations is a workaround.
                    456:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
                    457:   rm -f "$tmpdepfile"
                    458:   ;;
                    459: 
                    460: dashXmstdout)
                    461:   # This case only exists to satisfy depend.m4.  It is never actually
                    462:   # run, as this mode is specially recognized in the preamble.
                    463:   exit 1
                    464:   ;;
                    465: 
                    466: makedepend)
                    467:   "$@" || exit $?
                    468:   # Remove any Libtool call
                    469:   if test "$libtool" = yes; then
                    470:     while test "X$1" != 'X--mode=compile'; do
                    471:       shift
                    472:     done
                    473:     shift
                    474:   fi
                    475:   # X makedepend
                    476:   shift
                    477:   cleared=no eat=no
                    478:   for arg
                    479:   do
                    480:     case $cleared in
                    481:     no)
                    482:       set ""; shift
                    483:       cleared=yes ;;
                    484:     esac
                    485:     if test $eat = yes; then
                    486:       eat=no
                    487:       continue
                    488:     fi
                    489:     case "$arg" in
                    490:     -D*|-I*)
                    491:       set fnord "$@" "$arg"; shift ;;
                    492:     # Strip any option that makedepend may not understand.  Remove
                    493:     # the object too, otherwise makedepend will parse it as a source file.
                    494:     -arch)
                    495:       eat=yes ;;
                    496:     -*|$object)
                    497:       ;;
                    498:     *)
                    499:       set fnord "$@" "$arg"; shift ;;
                    500:     esac
                    501:   done
                    502:   obj_suffix=`echo "$object" | sed 's/^.*\././'`
                    503:   touch "$tmpdepfile"
                    504:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
                    505:   rm -f "$depfile"
                    506:   cat < "$tmpdepfile" > "$depfile"
                    507:   sed '1,2d' "$tmpdepfile" | tr ' ' '
                    508: ' | \
                    509: ## Some versions of the HPUX 10.20 sed can't process this invocation
                    510: ## correctly.  Breaking it into two sed invocations is a workaround.
                    511:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
                    512:   rm -f "$tmpdepfile" "$tmpdepfile".bak
                    513:   ;;
                    514: 
                    515: cpp)
                    516:   # Important note: in order to support this mode, a compiler *must*
                    517:   # always write the preprocessed file to stdout.
                    518:   "$@" || exit $?
                    519: 
                    520:   # Remove the call to Libtool.
                    521:   if test "$libtool" = yes; then
                    522:     while test "X$1" != 'X--mode=compile'; do
                    523:       shift
                    524:     done
                    525:     shift
                    526:   fi
                    527: 
                    528:   # Remove `-o $object'.
                    529:   IFS=" "
                    530:   for arg
                    531:   do
                    532:     case $arg in
                    533:     -o)
                    534:       shift
                    535:       ;;
                    536:     $object)
                    537:       shift
                    538:       ;;
                    539:     *)
                    540:       set fnord "$@" "$arg"
                    541:       shift # fnord
                    542:       shift # $arg
                    543:       ;;
                    544:     esac
                    545:   done
                    546: 
                    547:   "$@" -E |
                    548:     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
                    549:        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
                    550:     sed '$ s: \\$::' > "$tmpdepfile"
                    551:   rm -f "$depfile"
                    552:   echo "$object : \\" > "$depfile"
                    553:   cat < "$tmpdepfile" >> "$depfile"
                    554:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
                    555:   rm -f "$tmpdepfile"
                    556:   ;;
                    557: 
                    558: msvisualcpp)
                    559:   # Important note: in order to support this mode, a compiler *must*
                    560:   # always write the preprocessed file to stdout.
                    561:   "$@" || exit $?
                    562: 
                    563:   # Remove the call to Libtool.
                    564:   if test "$libtool" = yes; then
                    565:     while test "X$1" != 'X--mode=compile'; do
                    566:       shift
                    567:     done
                    568:     shift
                    569:   fi
                    570: 
                    571:   IFS=" "
                    572:   for arg
                    573:   do
                    574:     case "$arg" in
                    575:     -o)
                    576:       shift
                    577:       ;;
                    578:     $object)
                    579:       shift
                    580:       ;;
                    581:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
                    582:        set fnord "$@"
                    583:        shift
                    584:        shift
                    585:        ;;
                    586:     *)
                    587:        set fnord "$@" "$arg"
                    588:        shift
                    589:        shift
                    590:        ;;
                    591:     esac
                    592:   done
                    593:   "$@" -E 2>/dev/null |
                    594:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
                    595:   rm -f "$depfile"
                    596:   echo "$object : \\" > "$depfile"
                    597:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::     \1 \\:p' >> "$depfile"
                    598:   echo "       " >> "$depfile"
                    599:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
                    600:   rm -f "$tmpdepfile"
                    601:   ;;
                    602: 
                    603: msvcmsys)
                    604:   # This case exists only to let depend.m4 do its work.  It works by
                    605:   # looking at the text of this script.  This case will never be run,
                    606:   # since it is checked for above.
                    607:   exit 1
                    608:   ;;
                    609: 
                    610: none)
                    611:   exec "$@"
                    612:   ;;
                    613: 
                    614: *)
                    615:   echo "Unknown depmode $depmode" 1>&2
                    616:   exit 1
                    617:   ;;
                    618: esac
                    619: 
                    620: exit 0
                    621: 
                    622: # Local Variables:
                    623: # mode: shell-script
                    624: # sh-indentation: 2
                    625: # eval: (add-hook 'write-file-hooks 'time-stamp)
                    626: # time-stamp-start: "scriptversion="
                    627: # time-stamp-format: "%:y-%02m-%02d.%02H"
                    628: # time-stamp-time-zone: "UTC"
                    629: # time-stamp-end: "; # UTC"
                    630: # End:

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