external/bsd/libevent/dist/depcomp

   1 #! /bin/sh
   2 # depcomp - compile a program generating dependencies as side-effects
   3
   4 scriptversion=2012-03-27.16; # UTC
   5
   6 # Copyright (C) 1999-2012 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 $?
  56     ;;
  57 esac
  58
  59 # A tabulation character.
  60 tab='   '
  61 # A newline character.
  62 nl='
  63 '
  64
  65 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
  66   echo "depcomp: Variables source, object and depmode must be set" 1>&2
  67   exit 1
  68 fi
  69
  70 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
  71 depfile=${depfile-`echo "$object" |
  72   sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
  73 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
  74
  75 rm -f "$tmpdepfile"
  76
  77 # Some modes work just like other modes, but use different flags.  We
  78 # parameterize here, but still list the modes in the big case below,
  79 # to make depend.m4 easier to write.  Note that we *cannot* use a case
  80 # here, because this file can only contain one case statement.
  81 if test "$depmode" = hp; then
  82   # HP compiler uses -M and no extra arg.
  83   gccflag=-M
  84   depmode=gcc
  85 fi
  86
  87 if test "$depmode" = dashXmstdout; then
  88    # This is just like dashmstdout with a different argument.
  89    dashmflag=-xM
  90    depmode=dashmstdout
  91 fi
  92
  93 cygpath_u="cygpath -u -f -"
  94 if test "$depmode" = msvcmsys; then
  95    # This is just like msvisualcpp but w/o cygpath translation.
  96    # Just convert the backslash-escaped backslashes to single forward
  97    # slashes to satisfy depend.m4
  98    cygpath_u='sed s,\\\\,/,g'
  99    depmode=msvisualcpp
 100 fi
 101
 102 if test "$depmode" = msvc7msys; then
 103    # This is just like msvc7 but w/o cygpath translation.
 104    # Just convert the backslash-escaped backslashes to single forward
 105    # slashes to satisfy depend.m4
 106    cygpath_u='sed s,\\\\,/,g'
 107    depmode=msvc7
 108 fi
 109
 110 if test "$depmode" = xlc; then
 111    # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
 112    gccflag=-qmakedep=gcc,-MF
 113    depmode=gcc
 114 fi
 115
 116 case "$depmode" in
 117 gcc3)
 118 ## gcc 3 implements dependency tracking that does exactly what
 119 ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
 120 ## it if -MD -MP comes after the -MF stuff.  Hmm.
 121 ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
 122 ## the command line argument order; so add the flags where they
 123 ## appear in depend2.am.  Note that the slowdown incurred here
 124 ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
 125   for arg
 126   do
 127     case $arg in
 128     -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
 129     *)  set fnord "$@" "$arg" ;;
 130     esac
 131     shift # fnord
 132     shift # $arg
 133   done
 134   "$@"
 135   stat=$?
 136   if test $stat -eq 0; then :
 137   else
 138     rm -f "$tmpdepfile"
 139     exit $stat
 140   fi
 141   mv "$tmpdepfile" "$depfile"
 142   ;;
 143
 144 gcc)
 145 ## There are various ways to get dependency output from gcc.  Here's
 146 ## why we pick this rather obscure method:
 147 ## - Don't want to use -MD because we'd like the dependencies to end
 148 ##   up in a subdir.  Having to rename by hand is ugly.
 149 ##   (We might end up doing this anyway to support other compilers.)
 150 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
 151 ##   -MM, not -M (despite what the docs say).
 152 ## - Using -M directly means running the compiler twice (even worse
 153 ##   than renaming).
 154   if test -z "$gccflag"; then
 155     gccflag=-MD,
 156   fi
 157   "$@" -Wp,"$gccflag$tmpdepfile"
 158   stat=$?
 159   if test $stat -eq 0; then :
 160   else
 161     rm -f "$tmpdepfile"
 162     exit $stat
 163   fi
 164   rm -f "$depfile"
 165   echo "$object : \\" > "$depfile"
 166   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
 167 ## The second -e expression handles DOS-style file names with drive letters.
 168   sed -e 's/^[^:]*: / /' \
 169       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
 170 ## This next piece of magic avoids the "deleted header file" problem.
 171 ## The problem is that when a header file which appears in a .P file
 172 ## is deleted, the dependency causes make to die (because there is
 173 ## typically no way to rebuild the header).  We avoid this by adding
 174 ## dummy dependencies for each header file.  Too bad gcc doesn't do
 175 ## this for us directly.
 176   tr ' ' "$nl" < "$tmpdepfile" |
 177 ## Some versions of gcc put a space before the ':'.  On the theory
 178 ## that the space means something, we add a space to the output as
 179 ## well.  hp depmode also adds that space, but also prefixes the VPATH
 180 ## to the object.  Take care to not repeat it in the output.
 181 ## Some versions of the HPUX 10.20 sed can't process this invocation
 182 ## correctly.  Breaking it into two sed invocations is a workaround.
 183     sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
 184       | sed -e 's/$/ :/' >> "$depfile"
 185   rm -f "$tmpdepfile"
 186   ;;
 187
 188 hp)
 189   # This case exists only to let depend.m4 do its work.  It works by
 190   # looking at the text of this script.  This case will never be run,
 191   # since it is checked for above.
 192   exit 1
 193   ;;
 194
 195 sgi)
 196   if test "$libtool" = yes; then
 197     "$@" "-Wp,-MDupdate,$tmpdepfile"
 198   else
 199     "$@" -MDupdate "$tmpdepfile"
 200   fi
 201   stat=$?
 202   if test $stat -eq 0; then :
 203   else
 204     rm -f "$tmpdepfile"
 205     exit $stat
 206   fi
 207   rm -f "$depfile"
 208
 209   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
 210     echo "$object : \\" > "$depfile"
 211
 212     # Clip off the initial element (the dependent).  Don't try to be
 213     # clever and replace this with sed code, as IRIX sed won't handle
 214     # lines with more than a fixed number of characters (4096 in
 215     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
 216     # the IRIX cc adds comments like '#:fec' to the end of the
 217     # dependency line.
 218     tr ' ' "$nl" < "$tmpdepfile" \
 219     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
 220     tr "$nl" ' ' >> "$depfile"
 221     echo >> "$depfile"
 222
 223     # The second pass generates a dummy entry for each header file.
 224     tr ' ' "$nl" < "$tmpdepfile" \
 225    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
 226    >> "$depfile"
 227   else
 228     # The sourcefile does not contain any dependencies, so just
 229     # store a dummy comment line, to avoid errors with the Makefile
 230     # "include basename.Plo" scheme.
 231     echo "#dummy" > "$depfile"
 232   fi
 233   rm -f "$tmpdepfile"
 234   ;;
 235
 236 xlc)
 237   # This case exists only to let depend.m4 do its work.  It works by
 238   # looking at the text of this script.  This case will never be run,
 239   # since it is checked for above.
 240   exit 1
 241   ;;
 242
 243 aix)
 244   # The C for AIX Compiler uses -M and outputs the dependencies
 245   # in a .u file.  In older versions, this file always lives in the
 246   # current directory.  Also, the AIX compiler puts '$object:' at the
 247   # start of each line; $object doesn't have directory information.
 248   # Version 6 uses the directory in both cases.
 249   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
 250   test "x$dir" = "x$object" && dir=
 251   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 252   if test "$libtool" = yes; then
 253     tmpdepfile1=$dir$base.u
 254     tmpdepfile2=$base.u
 255     tmpdepfile3=$dir.libs/$base.u
 256     "$@" -Wc,-M
 257   else
 258     tmpdepfile1=$dir$base.u
 259     tmpdepfile2=$dir$base.u
 260     tmpdepfile3=$dir$base.u
 261     "$@" -M
 262   fi
 263   stat=$?
 264
 265   if test $stat -eq 0; then :
 266   else
 267     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
 268     exit $stat
 269   fi
 270
 271   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
 272   do
 273     test -f "$tmpdepfile" && break
 274   done
 275   if test -f "$tmpdepfile"; then
 276     # Each line is of the form 'foo.o: dependent.h'.
 277     # Do two passes, one to just change these to
 278     # '$object: dependent.h' and one to simply 'dependent.h:'.
 279     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
 280     sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
 281   else
 282     # The sourcefile does not contain any dependencies, so just
 283     # store a dummy comment line, to avoid errors with the Makefile
 284     # "include basename.Plo" scheme.
 285     echo "#dummy" > "$depfile"
 286   fi
 287   rm -f "$tmpdepfile"
 288   ;;
 289
 290 icc)
 291   # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
 292   # However on
 293   #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
 294   # ICC 7.0 will fill foo.d with something like
 295   #    foo.o: sub/foo.c
 296   #    foo.o: sub/foo.h
 297   # which is wrong.  We want
 298   #    sub/foo.o: sub/foo.c
 299   #    sub/foo.o: sub/foo.h
 300   #    sub/foo.c:
 301   #    sub/foo.h:
 302   # ICC 7.1 will output
 303   #    foo.o: sub/foo.c sub/foo.h
 304   # and will wrap long lines using '\':
 305   #    foo.o: sub/foo.c ... \
 306   #     sub/foo.h ... \
 307   #     ...
 308   # tcc 0.9.26 (FIXME still under development at the moment of writing)
 309   # will emit a similar output, but also prepend the continuation lines
 310   # with horizontal tabulation characters.
 311   "$@" -MD -MF "$tmpdepfile"
 312   stat=$?
 313   if test $stat -eq 0; then :
 314   else
 315     rm -f "$tmpdepfile"
 316     exit $stat
 317   fi
 318   rm -f "$depfile"
 319   # Each line is of the form 'foo.o: dependent.h',
 320   # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
 321   # Do two passes, one to just change these to
 322   # '$object: dependent.h' and one to simply 'dependent.h:'.
 323   sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \
 324     < "$tmpdepfile" > "$depfile"
 325   sed '
 326     s/[ '"$tab"'][ '"$tab"']*/ /g
 327     s/^ *//
 328     s/ *\\*$//
 329     s/^[^:]*: *//
 330     /^$/d
 331     /:$/d
 332     s/$/ :/
 333   ' < "$tmpdepfile" >> "$depfile"
 334   rm -f "$tmpdepfile"
 335   ;;
 336
 337 hp2)
 338   # The "hp" stanza above does not work with aCC (C++) and HP's ia64
 339   # compilers, which have integrated preprocessors.  The correct option
 340   # to use with these is +Maked; it writes dependencies to a file named
 341   # 'foo.d', which lands next to the object file, wherever that
 342   # happens to be.
 343   # Much of this is similar to the tru64 case; see comments there.
 344   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
 345   test "x$dir" = "x$object" && dir=
 346   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 347   if test "$libtool" = yes; then
 348     tmpdepfile1=$dir$base.d
 349     tmpdepfile2=$dir.libs/$base.d
 350     "$@" -Wc,+Maked
 351   else
 352     tmpdepfile1=$dir$base.d
 353     tmpdepfile2=$dir$base.d
 354     "$@" +Maked
 355   fi
 356   stat=$?
 357   if test $stat -eq 0; then :
 358   else
 359      rm -f "$tmpdepfile1" "$tmpdepfile2"
 360      exit $stat
 361   fi
 362
 363   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
 364   do
 365     test -f "$tmpdepfile" && break
 366   done
 367   if test -f "$tmpdepfile"; then
 368     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
 369     # Add 'dependent.h:' lines.
 370     sed -ne '2,${
 371                s/^ *//
 372                s/ \\*$//
 373                s/$/:/
 374                p
 375              }' "$tmpdepfile" >> "$depfile"
 376   else
 377     echo "#dummy" > "$depfile"
 378   fi
 379   rm -f "$tmpdepfile" "$tmpdepfile2"
 380   ;;
 381
 382 tru64)
 383    # The Tru64 compiler uses -MD to generate dependencies as a side
 384    # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
 385    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
 386    # dependencies in 'foo.d' instead, so we check for that too.
 387    # Subdirectories are respected.
 388    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
 389    test "x$dir" = "x$object" && dir=
 390    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 391
 392    if test "$libtool" = yes; then
 393       # With Tru64 cc, shared objects can also be used to make a
 394       # static library.  This mechanism is used in libtool 1.4 series to
 395       # handle both shared and static libraries in a single compilation.
 396       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
 397       #
 398       # With libtool 1.5 this exception was removed, and libtool now
 399       # generates 2 separate objects for the 2 libraries.  These two
 400       # compilations output dependencies in $dir.libs/$base.o.d and
 401       # in $dir$base.o.d.  We have to check for both files, because
 402       # one of the two compilations can be disabled.  We should prefer
 403       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
 404       # automatically cleaned when .libs/ is deleted, while ignoring
 405       # the former would cause a distcleancheck panic.
 406       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
 407       tmpdepfile2=$dir$base.o.d          # libtool 1.5
 408       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
 409       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
 410       "$@" -Wc,-MD
 411    else
 412       tmpdepfile1=$dir$base.o.d
 413       tmpdepfile2=$dir$base.d
 414       tmpdepfile3=$dir$base.d
 415       tmpdepfile4=$dir$base.d
 416       "$@" -MD
 417    fi
 418
 419    stat=$?
 420    if test $stat -eq 0; then :
 421    else
 422       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
 423       exit $stat
 424    fi
 425
 426    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
 427    do
 428      test -f "$tmpdepfile" && break
 429    done
 430    if test -f "$tmpdepfile"; then
 431       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
 432       sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
 433    else
 434       echo "#dummy" > "$depfile"
 435    fi
 436    rm -f "$tmpdepfile"
 437    ;;
 438
 439 msvc7)
 440   if test "$libtool" = yes; then
 441     showIncludes=-Wc,-showIncludes
 442   else
 443     showIncludes=-showIncludes
 444   fi
 445   "$@" $showIncludes > "$tmpdepfile"
 446   stat=$?
 447   grep -v '^Note: including file: ' "$tmpdepfile"
 448   if test "$stat" = 0; then :
 449   else
 450     rm -f "$tmpdepfile"
 451     exit $stat
 452   fi
 453   rm -f "$depfile"
 454   echo "$object : \\" > "$depfile"
 455   # The first sed program below extracts the file names and escapes
 456   # backslashes for cygpath.  The second sed program outputs the file
 457   # name when reading, but also accumulates all include files in the
 458   # hold buffer in order to output them again at the end.  This only
 459   # works with sed implementations that can handle large buffers.
 460   sed < "$tmpdepfile" -n '
 461 /^Note: including file:  *\(.*\)/ {
 462   s//\1/
 463   s/\\/\\\\/g
 464   p
 465 }' | $cygpath_u | sort -u | sed -n '
 466 s/ /\\ /g
 467 s/\(.*\)/'"$tab"'\1 \\/p
 468 s/.\(.*\) \\/\1:/
 469 H
 470 $ {
 471   s/.*/'"$tab"'/
 472   G
 473   p
 474 }' >> "$depfile"
 475   rm -f "$tmpdepfile"
 476   ;;
 477
 478 msvc7msys)
 479   # This case exists only to let depend.m4 do its work.  It works by
 480   # looking at the text of this script.  This case will never be run,
 481   # since it is checked for above.
 482   exit 1
 483   ;;
 484
 485 #nosideeffect)
 486   # This comment above is used by automake to tell side-effect
 487   # dependency tracking mechanisms from slower ones.
 488
 489 dashmstdout)
 490   # Important note: in order to support this mode, a compiler *must*
 491   # always write the preprocessed file to stdout, regardless of -o.
 492   "$@" || exit $?
 493
 494   # Remove the call to Libtool.
 495   if test "$libtool" = yes; then
 496     while test "X$1" != 'X--mode=compile'; do
 497       shift
 498     done
 499     shift
 500   fi
 501
 502   # Remove '-o $object'.
 503   IFS=" "
 504   for arg
 505   do
 506     case $arg in
 507     -o)
 508       shift
 509       ;;
 510     $object)
 511       shift
 512       ;;
 513     *)
 514       set fnord "$@" "$arg"
 515       shift # fnord
 516       shift # $arg
 517       ;;
 518     esac
 519   done
 520
 521   test -z "$dashmflag" && dashmflag=-M
 522   # Require at least two characters before searching for ':'
 523   # in the target name.  This is to cope with DOS-style filenames:
 524   # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
 525   "$@" $dashmflag |
 526     sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
 527   rm -f "$depfile"
 528   cat < "$tmpdepfile" > "$depfile"
 529   tr ' ' "$nl" < "$tmpdepfile" | \
 530 ## Some versions of the HPUX 10.20 sed can't process this invocation
 531 ## correctly.  Breaking it into two sed invocations is a workaround.
 532     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 533   rm -f "$tmpdepfile"
 534   ;;
 535
 536 dashXmstdout)
 537   # This case only exists to satisfy depend.m4.  It is never actually
 538   # run, as this mode is specially recognized in the preamble.
 539   exit 1
 540   ;;
 541
 542 makedepend)
 543   "$@" || exit $?
 544   # Remove any Libtool call
 545   if test "$libtool" = yes; then
 546     while test "X$1" != 'X--mode=compile'; do
 547       shift
 548     done
 549     shift
 550   fi
 551   # X makedepend
 552   shift
 553   cleared=no eat=no
 554   for arg
 555   do
 556     case $cleared in
 557     no)
 558       set ""; shift
 559       cleared=yes ;;
 560     esac
 561     if test $eat = yes; then
 562       eat=no
 563       continue
 564     fi
 565     case "$arg" in
 566     -D*|-I*)
 567       set fnord "$@" "$arg"; shift ;;
 568     # Strip any option that makedepend may not understand.  Remove
 569     # the object too, otherwise makedepend will parse it as a source file.
 570     -arch)
 571       eat=yes ;;
 572     -*|$object)
 573       ;;
 574     *)
 575       set fnord "$@" "$arg"; shift ;;
 576     esac
 577   done
 578   obj_suffix=`echo "$object" | sed 's/^.*\././'`
 579   touch "$tmpdepfile"
 580   ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
 581   rm -f "$depfile"
 582   # makedepend may prepend the VPATH from the source file name to the object.
 583   # No need to regex-escape $object, excess matching of '.' is harmless.
 584   sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
 585   sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
 586 ## Some versions of the HPUX 10.20 sed can't process this invocation
 587 ## correctly.  Breaking it into two sed invocations is a workaround.
 588     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 589   rm -f "$tmpdepfile" "$tmpdepfile".bak
 590   ;;
 591
 592 cpp)
 593   # Important note: in order to support this mode, a compiler *must*
 594   # always write the preprocessed file to stdout.
 595   "$@" || exit $?
 596
 597   # Remove the call to Libtool.
 598   if test "$libtool" = yes; then
 599     while test "X$1" != 'X--mode=compile'; do
 600       shift
 601     done
 602     shift
 603   fi
 604
 605   # Remove '-o $object'.
 606   IFS=" "
 607   for arg
 608   do
 609     case $arg in
 610     -o)
 611       shift
 612       ;;
 613     $object)
 614       shift
 615       ;;
 616     *)
 617       set fnord "$@" "$arg"
 618       shift # fnord
 619       shift # $arg
 620       ;;
 621     esac
 622   done
 623
 624   "$@" -E |
 625     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
 626        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
 627     sed '$ s: \\$::' > "$tmpdepfile"
 628   rm -f "$depfile"
 629   echo "$object : \\" > "$depfile"
 630   cat < "$tmpdepfile" >> "$depfile"
 631   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
 632   rm -f "$tmpdepfile"
 633   ;;
 634
 635 msvisualcpp)
 636   # Important note: in order to support this mode, a compiler *must*
 637   # always write the preprocessed file to stdout.
 638   "$@" || exit $?
 639
 640   # Remove the call to Libtool.
 641   if test "$libtool" = yes; then
 642     while test "X$1" != 'X--mode=compile'; do
 643       shift
 644     done
 645     shift
 646   fi
 647
 648   IFS=" "
 649   for arg
 650   do
 651     case "$arg" in
 652     -o)
 653       shift
 654       ;;
 655     $object)
 656       shift
 657       ;;
 658     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
 659         set fnord "$@"
 660         shift
 661         shift
 662         ;;
 663     *)
 664         set fnord "$@" "$arg"
 665         shift
 666         shift
 667         ;;
 668     esac
 669   done
 670   "$@" -E 2>/dev/null |
 671   sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
 672   rm -f "$depfile"
 673   echo "$object : \\" > "$depfile"
 674   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
 675   echo "$tab" >> "$depfile"
 676   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
 677   rm -f "$tmpdepfile"
 678   ;;
 679
 680 msvcmsys)
 681   # This case exists only to let depend.m4 do its work.  It works by
 682   # looking at the text of this script.  This case will never be run,
 683   # since it is checked for above.
 684   exit 1
 685   ;;
 686
 687 none)
 688   exec "$@"
 689   ;;
 690
 691 *)
 692   echo "Unknown depmode $depmode" 1>&2
 693   exit 1
 694   ;;
 695 esac
 696
 697 exit 0
 698
 699 # Local Variables:
 700 # mode: shell-script
 701 # sh-indentation: 2
 702 # eval: (add-hook 'write-file-hooks 'time-stamp)
 703 # time-stamp-start: "scriptversion="
 704 # time-stamp-format: "%:y-%02m-%02d.%02H"
 705 # time-stamp-time-zone: "UTC"
 706 # time-stamp-end: "; # UTC"
 707 # End: