lac : fc98710e2a1df7159cd72a01ffc011784748c3bc

     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) 1999-2014 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:

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