Annotation of embedaddon/mtr/build-aux/depcomp, revision 1.1

1.1     ! misho       1: #! /bin/sh
        !             2: # depcomp - compile a program generating dependencies as side-effects
        !             3: 
        !             4: scriptversion=2013-05-30.07; # UTC
        !             5: 
        !             6: # Copyright (C) 1999-2013 Free Software Foundation, Inc.
        !             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:   '')
        !            30:     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
        !            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.
        !            42:   source      Source file read by 'PROGRAMS ARGS'.
        !            43:   object      Object file output by 'PROGRAMS ARGS'.
        !            44:   DEPDIR      directory where to store dependencies.
        !            45:   depfile     Dependency file to output.
        !            46:   tmpdepfile  Temporary file to use when outputting dependencies.
        !            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 $?
        !            56:     ;;
        !            57: esac
        !            58: 
        !            59: # Get the directory component of the given path, and save it in the
        !            60: # global variables '$dir'.  Note that this directory component will
        !            61: # be either empty or ending with a '/' character.  This is deliberate.
        !            62: set_dir_from ()
        !            63: {
        !            64:   case $1 in
        !            65:     */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
        !            66:       *) dir=;;
        !            67:   esac
        !            68: }
        !            69: 
        !            70: # Get the suffix-stripped basename of the given path, and save it the
        !            71: # global variable '$base'.
        !            72: set_base_from ()
        !            73: {
        !            74:   base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
        !            75: }
        !            76: 
        !            77: # If no dependency file was actually created by the compiler invocation,
        !            78: # we still have to create a dummy depfile, to avoid errors with the
        !            79: # Makefile "include basename.Plo" scheme.
        !            80: make_dummy_depfile ()
        !            81: {
        !            82:   echo "#dummy" > "$depfile"
        !            83: }
        !            84: 
        !            85: # Factor out some common post-processing of the generated depfile.
        !            86: # Requires the auxiliary global variable '$tmpdepfile' to be set.
        !            87: aix_post_process_depfile ()
        !            88: {
        !            89:   # If the compiler actually managed to produce a dependency file,
        !            90:   # post-process it.
        !            91:   if test -f "$tmpdepfile"; then
        !            92:     # Each line is of the form 'foo.o: dependency.h'.
        !            93:     # Do two passes, one to just change these to
        !            94:     #   $object: dependency.h
        !            95:     # and one to simply output
        !            96:     #   dependency.h:
        !            97:     # which is needed to avoid the deleted-header problem.
        !            98:     { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
        !            99:       sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
        !           100:     } > "$depfile"
        !           101:     rm -f "$tmpdepfile"
        !           102:   else
        !           103:     make_dummy_depfile
        !           104:   fi
        !           105: }
        !           106: 
        !           107: # A tabulation character.
        !           108: tab='  '
        !           109: # A newline character.
        !           110: nl='
        !           111: '
        !           112: # Character ranges might be problematic outside the C locale.
        !           113: # These definitions help.
        !           114: upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
        !           115: lower=abcdefghijklmnopqrstuvwxyz
        !           116: digits=0123456789
        !           117: alpha=${upper}${lower}
        !           118: 
        !           119: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
        !           120:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
        !           121:   exit 1
        !           122: fi
        !           123: 
        !           124: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
        !           125: depfile=${depfile-`echo "$object" |
        !           126:   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
        !           127: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
        !           128: 
        !           129: rm -f "$tmpdepfile"
        !           130: 
        !           131: # Avoid interferences from the environment.
        !           132: gccflag= dashmflag=
        !           133: 
        !           134: # Some modes work just like other modes, but use different flags.  We
        !           135: # parameterize here, but still list the modes in the big case below,
        !           136: # to make depend.m4 easier to write.  Note that we *cannot* use a case
        !           137: # here, because this file can only contain one case statement.
        !           138: if test "$depmode" = hp; then
        !           139:   # HP compiler uses -M and no extra arg.
        !           140:   gccflag=-M
        !           141:   depmode=gcc
        !           142: fi
        !           143: 
        !           144: if test "$depmode" = dashXmstdout; then
        !           145:   # This is just like dashmstdout with a different argument.
        !           146:   dashmflag=-xM
        !           147:   depmode=dashmstdout
        !           148: fi
        !           149: 
        !           150: cygpath_u="cygpath -u -f -"
        !           151: if test "$depmode" = msvcmsys; then
        !           152:   # This is just like msvisualcpp but w/o cygpath translation.
        !           153:   # Just convert the backslash-escaped backslashes to single forward
        !           154:   # slashes to satisfy depend.m4
        !           155:   cygpath_u='sed s,\\\\,/,g'
        !           156:   depmode=msvisualcpp
        !           157: fi
        !           158: 
        !           159: if test "$depmode" = msvc7msys; then
        !           160:   # This is just like msvc7 but w/o cygpath translation.
        !           161:   # Just convert the backslash-escaped backslashes to single forward
        !           162:   # slashes to satisfy depend.m4
        !           163:   cygpath_u='sed s,\\\\,/,g'
        !           164:   depmode=msvc7
        !           165: fi
        !           166: 
        !           167: if test "$depmode" = xlc; then
        !           168:   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
        !           169:   gccflag=-qmakedep=gcc,-MF
        !           170:   depmode=gcc
        !           171: fi
        !           172: 
        !           173: case "$depmode" in
        !           174: gcc3)
        !           175: ## gcc 3 implements dependency tracking that does exactly what
        !           176: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
        !           177: ## it if -MD -MP comes after the -MF stuff.  Hmm.
        !           178: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
        !           179: ## the command line argument order; so add the flags where they
        !           180: ## appear in depend2.am.  Note that the slowdown incurred here
        !           181: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
        !           182:   for arg
        !           183:   do
        !           184:     case $arg in
        !           185:     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
        !           186:     *)  set fnord "$@" "$arg" ;;
        !           187:     esac
        !           188:     shift # fnord
        !           189:     shift # $arg
        !           190:   done
        !           191:   "$@"
        !           192:   stat=$?
        !           193:   if test $stat -ne 0; then
        !           194:     rm -f "$tmpdepfile"
        !           195:     exit $stat
        !           196:   fi
        !           197:   mv "$tmpdepfile" "$depfile"
        !           198:   ;;
        !           199: 
        !           200: gcc)
        !           201: ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
        !           202: ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
        !           203: ## (see the conditional assignment to $gccflag above).
        !           204: ## There are various ways to get dependency output from gcc.  Here's
        !           205: ## why we pick this rather obscure method:
        !           206: ## - Don't want to use -MD because we'd like the dependencies to end
        !           207: ##   up in a subdir.  Having to rename by hand is ugly.
        !           208: ##   (We might end up doing this anyway to support other compilers.)
        !           209: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
        !           210: ##   -MM, not -M (despite what the docs say).  Also, it might not be
        !           211: ##   supported by the other compilers which use the 'gcc' depmode.
        !           212: ## - Using -M directly means running the compiler twice (even worse
        !           213: ##   than renaming).
        !           214:   if test -z "$gccflag"; then
        !           215:     gccflag=-MD,
        !           216:   fi
        !           217:   "$@" -Wp,"$gccflag$tmpdepfile"
        !           218:   stat=$?
        !           219:   if test $stat -ne 0; then
        !           220:     rm -f "$tmpdepfile"
        !           221:     exit $stat
        !           222:   fi
        !           223:   rm -f "$depfile"
        !           224:   echo "$object : \\" > "$depfile"
        !           225:   # The second -e expression handles DOS-style file names with drive
        !           226:   # letters.
        !           227:   sed -e 's/^[^:]*: / /' \
        !           228:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
        !           229: ## This next piece of magic avoids the "deleted header file" problem.
        !           230: ## The problem is that when a header file which appears in a .P file
        !           231: ## is deleted, the dependency causes make to die (because there is
        !           232: ## typically no way to rebuild the header).  We avoid this by adding
        !           233: ## dummy dependencies for each header file.  Too bad gcc doesn't do
        !           234: ## this for us directly.
        !           235: ## Some versions of gcc put a space before the ':'.  On the theory
        !           236: ## that the space means something, we add a space to the output as
        !           237: ## well.  hp depmode also adds that space, but also prefixes the VPATH
        !           238: ## to the object.  Take care to not repeat it in the output.
        !           239: ## Some versions of the HPUX 10.20 sed can't process this invocation
        !           240: ## correctly.  Breaking it into two sed invocations is a workaround.
        !           241:   tr ' ' "$nl" < "$tmpdepfile" \
        !           242:     | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
        !           243:     | sed -e 's/$/ :/' >> "$depfile"
        !           244:   rm -f "$tmpdepfile"
        !           245:   ;;
        !           246: 
        !           247: hp)
        !           248:   # This case exists only to let depend.m4 do its work.  It works by
        !           249:   # looking at the text of this script.  This case will never be run,
        !           250:   # since it is checked for above.
        !           251:   exit 1
        !           252:   ;;
        !           253: 
        !           254: sgi)
        !           255:   if test "$libtool" = yes; then
        !           256:     "$@" "-Wp,-MDupdate,$tmpdepfile"
        !           257:   else
        !           258:     "$@" -MDupdate "$tmpdepfile"
        !           259:   fi
        !           260:   stat=$?
        !           261:   if test $stat -ne 0; then
        !           262:     rm -f "$tmpdepfile"
        !           263:     exit $stat
        !           264:   fi
        !           265:   rm -f "$depfile"
        !           266: 
        !           267:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
        !           268:     echo "$object : \\" > "$depfile"
        !           269:     # Clip off the initial element (the dependent).  Don't try to be
        !           270:     # clever and replace this with sed code, as IRIX sed won't handle
        !           271:     # lines with more than a fixed number of characters (4096 in
        !           272:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
        !           273:     # the IRIX cc adds comments like '#:fec' to the end of the
        !           274:     # dependency line.
        !           275:     tr ' ' "$nl" < "$tmpdepfile" \
        !           276:       | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
        !           277:       | tr "$nl" ' ' >> "$depfile"
        !           278:     echo >> "$depfile"
        !           279:     # The second pass generates a dummy entry for each header file.
        !           280:     tr ' ' "$nl" < "$tmpdepfile" \
        !           281:       | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
        !           282:       >> "$depfile"
        !           283:   else
        !           284:     make_dummy_depfile
        !           285:   fi
        !           286:   rm -f "$tmpdepfile"
        !           287:   ;;
        !           288: 
        !           289: xlc)
        !           290:   # This case exists only to let depend.m4 do its work.  It works by
        !           291:   # looking at the text of this script.  This case will never be run,
        !           292:   # since it is checked for above.
        !           293:   exit 1
        !           294:   ;;
        !           295: 
        !           296: aix)
        !           297:   # The C for AIX Compiler uses -M and outputs the dependencies
        !           298:   # in a .u file.  In older versions, this file always lives in the
        !           299:   # current directory.  Also, the AIX compiler puts '$object:' at the
        !           300:   # start of each line; $object doesn't have directory information.
        !           301:   # Version 6 uses the directory in both cases.
        !           302:   set_dir_from "$object"
        !           303:   set_base_from "$object"
        !           304:   if test "$libtool" = yes; then
        !           305:     tmpdepfile1=$dir$base.u
        !           306:     tmpdepfile2=$base.u
        !           307:     tmpdepfile3=$dir.libs/$base.u
        !           308:     "$@" -Wc,-M
        !           309:   else
        !           310:     tmpdepfile1=$dir$base.u
        !           311:     tmpdepfile2=$dir$base.u
        !           312:     tmpdepfile3=$dir$base.u
        !           313:     "$@" -M
        !           314:   fi
        !           315:   stat=$?
        !           316:   if test $stat -ne 0; then
        !           317:     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
        !           318:     exit $stat
        !           319:   fi
        !           320: 
        !           321:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
        !           322:   do
        !           323:     test -f "$tmpdepfile" && break
        !           324:   done
        !           325:   aix_post_process_depfile
        !           326:   ;;
        !           327: 
        !           328: tcc)
        !           329:   # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
        !           330:   # FIXME: That version still under development at the moment of writing.
        !           331:   #        Make that this statement remains true also for stable, released
        !           332:   #        versions.
        !           333:   # It will wrap lines (doesn't matter whether long or short) with a
        !           334:   # trailing '\', as in:
        !           335:   #
        !           336:   #   foo.o : \
        !           337:   #    foo.c \
        !           338:   #    foo.h \
        !           339:   #
        !           340:   # It will put a trailing '\' even on the last line, and will use leading
        !           341:   # spaces rather than leading tabs (at least since its commit 0394caf7
        !           342:   # "Emit spaces for -MD").
        !           343:   "$@" -MD -MF "$tmpdepfile"
        !           344:   stat=$?
        !           345:   if test $stat -ne 0; then
        !           346:     rm -f "$tmpdepfile"
        !           347:     exit $stat
        !           348:   fi
        !           349:   rm -f "$depfile"
        !           350:   # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
        !           351:   # We have to change lines of the first kind to '$object: \'.
        !           352:   sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
        !           353:   # And for each line of the second kind, we have to emit a 'dep.h:'
        !           354:   # dummy dependency, to avoid the deleted-header problem.
        !           355:   sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
        !           356:   rm -f "$tmpdepfile"
        !           357:   ;;
        !           358: 
        !           359: ## The order of this option in the case statement is important, since the
        !           360: ## shell code in configure will try each of these formats in the order
        !           361: ## listed in this file.  A plain '-MD' option would be understood by many
        !           362: ## compilers, so we must ensure this comes after the gcc and icc options.
        !           363: pgcc)
        !           364:   # Portland's C compiler understands '-MD'.
        !           365:   # Will always output deps to 'file.d' where file is the root name of the
        !           366:   # source file under compilation, even if file resides in a subdirectory.
        !           367:   # The object file name does not affect the name of the '.d' file.
        !           368:   # pgcc 10.2 will output
        !           369:   #    foo.o: sub/foo.c sub/foo.h
        !           370:   # and will wrap long lines using '\' :
        !           371:   #    foo.o: sub/foo.c ... \
        !           372:   #     sub/foo.h ... \
        !           373:   #     ...
        !           374:   set_dir_from "$object"
        !           375:   # Use the source, not the object, to determine the base name, since
        !           376:   # that's sadly what pgcc will do too.
        !           377:   set_base_from "$source"
        !           378:   tmpdepfile=$base.d
        !           379: 
        !           380:   # For projects that build the same source file twice into different object
        !           381:   # files, the pgcc approach of using the *source* file root name can cause
        !           382:   # problems in parallel builds.  Use a locking strategy to avoid stomping on
        !           383:   # the same $tmpdepfile.
        !           384:   lockdir=$base.d-lock
        !           385:   trap "
        !           386:     echo '$0: caught signal, cleaning up...' >&2
        !           387:     rmdir '$lockdir'
        !           388:     exit 1
        !           389:   " 1 2 13 15
        !           390:   numtries=100
        !           391:   i=$numtries
        !           392:   while test $i -gt 0; do
        !           393:     # mkdir is a portable test-and-set.
        !           394:     if mkdir "$lockdir" 2>/dev/null; then
        !           395:       # This process acquired the lock.
        !           396:       "$@" -MD
        !           397:       stat=$?
        !           398:       # Release the lock.
        !           399:       rmdir "$lockdir"
        !           400:       break
        !           401:     else
        !           402:       # If the lock is being held by a different process, wait
        !           403:       # until the winning process is done or we timeout.
        !           404:       while test -d "$lockdir" && test $i -gt 0; do
        !           405:         sleep 1
        !           406:         i=`expr $i - 1`
        !           407:       done
        !           408:     fi
        !           409:     i=`expr $i - 1`
        !           410:   done
        !           411:   trap - 1 2 13 15
        !           412:   if test $i -le 0; then
        !           413:     echo "$0: failed to acquire lock after $numtries attempts" >&2
        !           414:     echo "$0: check lockdir '$lockdir'" >&2
        !           415:     exit 1
        !           416:   fi
        !           417: 
        !           418:   if test $stat -ne 0; then
        !           419:     rm -f "$tmpdepfile"
        !           420:     exit $stat
        !           421:   fi
        !           422:   rm -f "$depfile"
        !           423:   # Each line is of the form `foo.o: dependent.h',
        !           424:   # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
        !           425:   # Do two passes, one to just change these to
        !           426:   # `$object: dependent.h' and one to simply `dependent.h:'.
        !           427:   sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
        !           428:   # Some versions of the HPUX 10.20 sed can't process this invocation
        !           429:   # correctly.  Breaking it into two sed invocations is a workaround.
        !           430:   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
        !           431:     | sed -e 's/$/ :/' >> "$depfile"
        !           432:   rm -f "$tmpdepfile"
        !           433:   ;;
        !           434: 
        !           435: hp2)
        !           436:   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
        !           437:   # compilers, which have integrated preprocessors.  The correct option
        !           438:   # to use with these is +Maked; it writes dependencies to a file named
        !           439:   # 'foo.d', which lands next to the object file, wherever that
        !           440:   # happens to be.
        !           441:   # Much of this is similar to the tru64 case; see comments there.
        !           442:   set_dir_from  "$object"
        !           443:   set_base_from "$object"
        !           444:   if test "$libtool" = yes; then
        !           445:     tmpdepfile1=$dir$base.d
        !           446:     tmpdepfile2=$dir.libs/$base.d
        !           447:     "$@" -Wc,+Maked
        !           448:   else
        !           449:     tmpdepfile1=$dir$base.d
        !           450:     tmpdepfile2=$dir$base.d
        !           451:     "$@" +Maked
        !           452:   fi
        !           453:   stat=$?
        !           454:   if test $stat -ne 0; then
        !           455:      rm -f "$tmpdepfile1" "$tmpdepfile2"
        !           456:      exit $stat
        !           457:   fi
        !           458: 
        !           459:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
        !           460:   do
        !           461:     test -f "$tmpdepfile" && break
        !           462:   done
        !           463:   if test -f "$tmpdepfile"; then
        !           464:     sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
        !           465:     # Add 'dependent.h:' lines.
        !           466:     sed -ne '2,${
        !           467:                s/^ *//
        !           468:                s/ \\*$//
        !           469:                s/$/:/
        !           470:                p
        !           471:              }' "$tmpdepfile" >> "$depfile"
        !           472:   else
        !           473:     make_dummy_depfile
        !           474:   fi
        !           475:   rm -f "$tmpdepfile" "$tmpdepfile2"
        !           476:   ;;
        !           477: 
        !           478: tru64)
        !           479:   # The Tru64 compiler uses -MD to generate dependencies as a side
        !           480:   # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
        !           481:   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
        !           482:   # dependencies in 'foo.d' instead, so we check for that too.
        !           483:   # Subdirectories are respected.
        !           484:   set_dir_from  "$object"
        !           485:   set_base_from "$object"
        !           486: 
        !           487:   if test "$libtool" = yes; then
        !           488:     # Libtool generates 2 separate objects for the 2 libraries.  These
        !           489:     # two compilations output dependencies in $dir.libs/$base.o.d and
        !           490:     # in $dir$base.o.d.  We have to check for both files, because
        !           491:     # one of the two compilations can be disabled.  We should prefer
        !           492:     # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
        !           493:     # automatically cleaned when .libs/ is deleted, while ignoring
        !           494:     # the former would cause a distcleancheck panic.
        !           495:     tmpdepfile1=$dir$base.o.d          # libtool 1.5
        !           496:     tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
        !           497:     tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
        !           498:     "$@" -Wc,-MD
        !           499:   else
        !           500:     tmpdepfile1=$dir$base.d
        !           501:     tmpdepfile2=$dir$base.d
        !           502:     tmpdepfile3=$dir$base.d
        !           503:     "$@" -MD
        !           504:   fi
        !           505: 
        !           506:   stat=$?
        !           507:   if test $stat -ne 0; then
        !           508:     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
        !           509:     exit $stat
        !           510:   fi
        !           511: 
        !           512:   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
        !           513:   do
        !           514:     test -f "$tmpdepfile" && break
        !           515:   done
        !           516:   # Same post-processing that is required for AIX mode.
        !           517:   aix_post_process_depfile
        !           518:   ;;
        !           519: 
        !           520: msvc7)
        !           521:   if test "$libtool" = yes; then
        !           522:     showIncludes=-Wc,-showIncludes
        !           523:   else
        !           524:     showIncludes=-showIncludes
        !           525:   fi
        !           526:   "$@" $showIncludes > "$tmpdepfile"
        !           527:   stat=$?
        !           528:   grep -v '^Note: including file: ' "$tmpdepfile"
        !           529:   if test $stat -ne 0; then
        !           530:     rm -f "$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
        !           547: s/\(.*\)/'"$tab"'\1 \\/p
        !           548: s/.\(.*\) \\/\1:/
        !           549: H
        !           550: $ {
        !           551:   s/.*/'"$tab"'/
        !           552:   G
        !           553:   p
        !           554: }' >> "$depfile"
        !           555:   echo >> "$depfile" # make sure the fragment doesn't end with a backslash
        !           556:   rm -f "$tmpdepfile"
        !           557:   ;;
        !           558: 
        !           559: msvc7msys)
        !           560:   # This case exists only to let depend.m4 do its work.  It works by
        !           561:   # looking at the text of this script.  This case will never be run,
        !           562:   # since it is checked for above.
        !           563:   exit 1
        !           564:   ;;
        !           565: 
        !           566: #nosideeffect)
        !           567:   # This comment above is used by automake to tell side-effect
        !           568:   # dependency tracking mechanisms from slower ones.
        !           569: 
        !           570: dashmstdout)
        !           571:   # Important note: in order to support this mode, a compiler *must*
        !           572:   # always write the preprocessed file to stdout, regardless of -o.
        !           573:   "$@" || exit $?
        !           574: 
        !           575:   # Remove the call to Libtool.
        !           576:   if test "$libtool" = yes; then
        !           577:     while test "X$1" != 'X--mode=compile'; do
        !           578:       shift
        !           579:     done
        !           580:     shift
        !           581:   fi
        !           582: 
        !           583:   # Remove '-o $object'.
        !           584:   IFS=" "
        !           585:   for arg
        !           586:   do
        !           587:     case $arg in
        !           588:     -o)
        !           589:       shift
        !           590:       ;;
        !           591:     $object)
        !           592:       shift
        !           593:       ;;
        !           594:     *)
        !           595:       set fnord "$@" "$arg"
        !           596:       shift # fnord
        !           597:       shift # $arg
        !           598:       ;;
        !           599:     esac
        !           600:   done
        !           601: 
        !           602:   test -z "$dashmflag" && dashmflag=-M
        !           603:   # Require at least two characters before searching for ':'
        !           604:   # in the target name.  This is to cope with DOS-style filenames:
        !           605:   # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
        !           606:   "$@" $dashmflag |
        !           607:     sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
        !           608:   rm -f "$depfile"
        !           609:   cat < "$tmpdepfile" > "$depfile"
        !           610:   # Some versions of the HPUX 10.20 sed can't process this sed invocation
        !           611:   # correctly.  Breaking it into two sed invocations is a workaround.
        !           612:   tr ' ' "$nl" < "$tmpdepfile" \
        !           613:     | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
        !           614:     | sed -e 's/$/ :/' >> "$depfile"
        !           615:   rm -f "$tmpdepfile"
        !           616:   ;;
        !           617: 
        !           618: dashXmstdout)
        !           619:   # This case only exists to satisfy depend.m4.  It is never actually
        !           620:   # run, as this mode is specially recognized in the preamble.
        !           621:   exit 1
        !           622:   ;;
        !           623: 
        !           624: makedepend)
        !           625:   "$@" || exit $?
        !           626:   # Remove any Libtool call
        !           627:   if test "$libtool" = yes; then
        !           628:     while test "X$1" != 'X--mode=compile'; do
        !           629:       shift
        !           630:     done
        !           631:     shift
        !           632:   fi
        !           633:   # X makedepend
        !           634:   shift
        !           635:   cleared=no eat=no
        !           636:   for arg
        !           637:   do
        !           638:     case $cleared in
        !           639:     no)
        !           640:       set ""; shift
        !           641:       cleared=yes ;;
        !           642:     esac
        !           643:     if test $eat = yes; then
        !           644:       eat=no
        !           645:       continue
        !           646:     fi
        !           647:     case "$arg" in
        !           648:     -D*|-I*)
        !           649:       set fnord "$@" "$arg"; shift ;;
        !           650:     # Strip any option that makedepend may not understand.  Remove
        !           651:     # the object too, otherwise makedepend will parse it as a source file.
        !           652:     -arch)
        !           653:       eat=yes ;;
        !           654:     -*|$object)
        !           655:       ;;
        !           656:     *)
        !           657:       set fnord "$@" "$arg"; shift ;;
        !           658:     esac
        !           659:   done
        !           660:   obj_suffix=`echo "$object" | sed 's/^.*\././'`
        !           661:   touch "$tmpdepfile"
        !           662:   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
        !           663:   rm -f "$depfile"
        !           664:   # makedepend may prepend the VPATH from the source file name to the object.
        !           665:   # No need to regex-escape $object, excess matching of '.' is harmless.
        !           666:   sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
        !           667:   # Some versions of the HPUX 10.20 sed can't process the last invocation
        !           668:   # correctly.  Breaking it into two sed invocations is a workaround.
        !           669:   sed '1,2d' "$tmpdepfile" \
        !           670:     | tr ' ' "$nl" \
        !           671:     | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
        !           672:     | sed -e 's/$/ :/' >> "$depfile"
        !           673:   rm -f "$tmpdepfile" "$tmpdepfile".bak
        !           674:   ;;
        !           675: 
        !           676: cpp)
        !           677:   # Important note: in order to support this mode, a compiler *must*
        !           678:   # always write the preprocessed file to stdout.
        !           679:   "$@" || exit $?
        !           680: 
        !           681:   # Remove the call to Libtool.
        !           682:   if test "$libtool" = yes; then
        !           683:     while test "X$1" != 'X--mode=compile'; do
        !           684:       shift
        !           685:     done
        !           686:     shift
        !           687:   fi
        !           688: 
        !           689:   # Remove '-o $object'.
        !           690:   IFS=" "
        !           691:   for arg
        !           692:   do
        !           693:     case $arg in
        !           694:     -o)
        !           695:       shift
        !           696:       ;;
        !           697:     $object)
        !           698:       shift
        !           699:       ;;
        !           700:     *)
        !           701:       set fnord "$@" "$arg"
        !           702:       shift # fnord
        !           703:       shift # $arg
        !           704:       ;;
        !           705:     esac
        !           706:   done
        !           707: 
        !           708:   "$@" -E \
        !           709:     | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
        !           710:              -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
        !           711:     | sed '$ s: \\$::' > "$tmpdepfile"
        !           712:   rm -f "$depfile"
        !           713:   echo "$object : \\" > "$depfile"
        !           714:   cat < "$tmpdepfile" >> "$depfile"
        !           715:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
        !           716:   rm -f "$tmpdepfile"
        !           717:   ;;
        !           718: 
        !           719: msvisualcpp)
        !           720:   # Important note: in order to support this mode, a compiler *must*
        !           721:   # always write the preprocessed file to stdout.
        !           722:   "$@" || exit $?
        !           723: 
        !           724:   # Remove the call to Libtool.
        !           725:   if test "$libtool" = yes; then
        !           726:     while test "X$1" != 'X--mode=compile'; do
        !           727:       shift
        !           728:     done
        !           729:     shift
        !           730:   fi
        !           731: 
        !           732:   IFS=" "
        !           733:   for arg
        !           734:   do
        !           735:     case "$arg" in
        !           736:     -o)
        !           737:       shift
        !           738:       ;;
        !           739:     $object)
        !           740:       shift
        !           741:       ;;
        !           742:     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
        !           743:         set fnord "$@"
        !           744:         shift
        !           745:         shift
        !           746:         ;;
        !           747:     *)
        !           748:         set fnord "$@" "$arg"
        !           749:         shift
        !           750:         shift
        !           751:         ;;
        !           752:     esac
        !           753:   done
        !           754:   "$@" -E 2>/dev/null |
        !           755:   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
        !           756:   rm -f "$depfile"
        !           757:   echo "$object : \\" > "$depfile"
        !           758:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
        !           759:   echo "$tab" >> "$depfile"
        !           760:   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
        !           761:   rm -f "$tmpdepfile"
        !           762:   ;;
        !           763: 
        !           764: msvcmsys)
        !           765:   # This case exists only to let depend.m4 do its work.  It works by
        !           766:   # looking at the text of this script.  This case will never be run,
        !           767:   # since it is checked for above.
        !           768:   exit 1
        !           769:   ;;
        !           770: 
        !           771: none)
        !           772:   exec "$@"
        !           773:   ;;
        !           774: 
        !           775: *)
        !           776:   echo "Unknown depmode $depmode" 1>&2
        !           777:   exit 1
        !           778:   ;;
        !           779: esac
        !           780: 
        !           781: exit 0
        !           782: 
        !           783: # Local Variables:
        !           784: # mode: shell-script
        !           785: # sh-indentation: 2
        !           786: # eval: (add-hook 'write-file-hooks 'time-stamp)
        !           787: # time-stamp-start: "scriptversion="
        !           788: # time-stamp-format: "%:y-%02m-%02d.%02H"
        !           789: # time-stamp-time-zone: "UTC"
        !           790: # time-stamp-end: "; # UTC"
        !           791: # End:

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>