Changeset 59310bf for automake/depcomp


Ignore:
Timestamp:
Jul 28, 2017, 2:26:14 PM (7 years ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc
Children:
79dbb79
Parents:
a2e0687
Message:

automake directory must copy files, use --copy

File:
1 edited

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  • automake/depcomp

    ra2e0687 r59310bf  
    22# depcomp - compile a program generating dependencies as side-effects
    33
    4 scriptversion=2011-12-04.11; # UTC
    5 
    6 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
    7 # 2011 Free Software Foundation, Inc.
     4scriptversion=2013-05-30.07; # UTC
     5
     6# Copyright (C) 1999-2014 Free Software Foundation, Inc.
    87
    98# This program is free software; you can redistribute it and/or modify
    … …  
    2928case $1 in
    3029  '')
    31      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
    32      exit 1;
    33      ;;
     30    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
     31    exit 1;
     32    ;;
    3433  -h | --h*)
    3534    cat <<\EOF
    … …  
    4140Environment variables:
    4241  depmode     Dependency tracking mode.
    43   source      Source file read by `PROGRAMS ARGS'.
    44   object      Object file output by `PROGRAMS ARGS'.
     42  source      Source file read by 'PROGRAMS ARGS'.
     43  object      Object file output by 'PROGRAMS ARGS'.
    4544  DEPDIR      directory where to store dependencies.
    4645  depfile     Dependency file to output.
    … …  
    5857esac
    5958
     59# Get the directory component of the given path, and save it in the
     60# global variables '$dir'.  Note that this directory component will
     61# be either empty or ending with a '/' character.  This is deliberate.
     62set_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'.
     72set_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.
     80make_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.
     87aix_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.
     108tab='   '
     109# A newline character.
     110nl='
     111'
     112# Character ranges might be problematic outside the C locale.
     113# These definitions help.
     114upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
     115lower=abcdefghijklmnopqrstuvwxyz
     116digits=0123456789
     117alpha=${upper}${lower}
     118
    60119if test -z "$depmode" || test -z "$source" || test -z "$object"; then
    61120  echo "depcomp: Variables source, object and depmode must be set" 1>&2
    … …  
    69128
    70129rm -f "$tmpdepfile"
     130
     131# Avoid interferences from the environment.
     132gccflag= dashmflag=
    71133
    72134# Some modes work just like other modes, but use different flags.  We
    … …  
    81143
    82144if test "$depmode" = dashXmstdout; then
    83    # This is just like dashmstdout with a different argument.
    84    dashmflag=-xM
    85    depmode=dashmstdout
     145  # This is just like dashmstdout with a different argument.
     146  dashmflag=-xM
     147  depmode=dashmstdout
    86148fi
    87149
    88150cygpath_u="cygpath -u -f -"
    89151if test "$depmode" = msvcmsys; then
    90    # This is just like msvisualcpp but w/o cygpath translation.
    91    # Just convert the backslash-escaped backslashes to single forward
    92    # slashes to satisfy depend.m4
    93    cygpath_u='sed s,\\\\,/,g'
    94    depmode=msvisualcpp
     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
    95157fi
    96158
    97159if test "$depmode" = msvc7msys; then
    98    # This is just like msvc7 but w/o cygpath translation.
    99    # Just convert the backslash-escaped backslashes to single forward
    100    # slashes to satisfy depend.m4
    101    cygpath_u='sed s,\\\\,/,g'
    102    depmode=msvc7
     160  # This is just like msvc7 but w/o cygpath translation.
     161  # Just convert the backslash-escaped backslashes to single forward
     162  # slashes to satisfy depend.m4
     163  cygpath_u='sed s,\\\\,/,g'
     164  depmode=msvc7
     165fi
     166
     167if test "$depmode" = xlc; then
     168  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
     169  gccflag=-qmakedep=gcc,-MF
     170  depmode=gcc
    103171fi
    104172
    … …  
    123191  "$@"
    124192  stat=$?
    125   if test $stat -eq 0; then :
    126   else
     193  if test $stat -ne 0; then
    127194    rm -f "$tmpdepfile"
    128195    exit $stat
    … …  
    132199
    133200gcc)
     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 $gccflag above).
    134204## There are various ways to get dependency output from gcc.  Here's
    135205## why we pick this rather obscure method:
    … …  
    138208##   (We might end up doing this anyway to support other compilers.)
    139209## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
    140 ##   -MM, not -M (despite what the docs say).
     210##   -MM, not -M (despite what the docs say).  Also, it might not be
     211##   supported by the other compilers which use the 'gcc' depmode.
    141212## - Using -M directly means running the compiler twice (even worse
    142213##   than renaming).
    … …  
    146217  "$@" -Wp,"$gccflag$tmpdepfile"
    147218  stat=$?
    148   if test $stat -eq 0; then :
    149   else
     219  if test $stat -ne 0; then
    150220    rm -f "$tmpdepfile"
    151221    exit $stat
    … …  
    153223  rm -f "$depfile"
    154224  echo "$object : \\" > "$depfile"
    155   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
    156 ## The second -e expression handles DOS-style file names with drive letters.
     225  # The second -e expression handles DOS-style file names with drive
     226  # letters.
    157227  sed -e 's/^[^:]*: / /' \
    158228      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
    159 ## This next piece of magic avoids the `deleted header file' problem.
     229## This next piece of magic avoids the "deleted header file" problem.
    160230## The problem is that when a header file which appears in a .P file
    161231## is deleted, the dependency causes make to die (because there is
    … …  
    163233## dummy dependencies for each header file.  Too bad gcc doesn't do
    164234## this for us directly.
    165   tr ' ' '
    166 ' < "$tmpdepfile" |
    167 ## Some versions of gcc put a space before the `:'.  On the theory
     235## Some versions of gcc put a space before the ':'.  On the theory
    168236## that the space means something, we add a space to the output as
    169237## well.  hp depmode also adds that space, but also prefixes the VPATH
    … …  
    171239## Some versions of the HPUX 10.20 sed can't process this invocation
    172240## correctly.  Breaking it into two sed invocations is a workaround.
    173     sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
    174       | sed -e 's/$/ :/' >> "$depfile"
     241  tr ' ' "$nl" < "$tmpdepfile" \
     242    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
     243    | sed -e 's/$/ :/' >> "$depfile"
    175244  rm -f "$tmpdepfile"
    176245  ;;
    … …  
    190259  fi
    191260  stat=$?
    192   if test $stat -eq 0; then :
    193   else
     261  if test $stat -ne 0; then
    194262    rm -f "$tmpdepfile"
    195263    exit $stat
    … …  
    199267  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
    200268    echo "$object : \\" > "$depfile"
    201 
    202269    # Clip off the initial element (the dependent).  Don't try to be
    203270    # clever and replace this with sed code, as IRIX sed won't handle
    204271    # lines with more than a fixed number of characters (4096 in
    205272    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
    206     # the IRIX cc adds comments like `#:fec' to the end of the
     273    # the IRIX cc adds comments like '#:fec' to the end of the
    207274    # dependency line.
    208     tr ' ' '
    209 ' < "$tmpdepfile" \
    210     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
    211     tr '
    212 ' ' ' >> "$depfile"
     275    tr ' ' "$nl" < "$tmpdepfile" \
     276      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
     277      | tr "$nl" ' ' >> "$depfile"
    213278    echo >> "$depfile"
    214 
    215279    # The second pass generates a dummy entry for each header file.
    216     tr ' ' '
    217 ' < "$tmpdepfile" \
    218    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
    219    >> "$depfile"
     280    tr ' ' "$nl" < "$tmpdepfile" \
     281      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
     282      >> "$depfile"
    220283  else
    221     # The sourcefile does not contain any dependencies, so just
    222     # store a dummy comment line, to avoid errors with the Makefile
    223     # "include basename.Plo" scheme.
    224     echo "#dummy" > "$depfile"
     284    make_dummy_depfile
    225285  fi
    226286  rm -f "$tmpdepfile"
     287  ;;
     288
     289xlc)
     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
    227294  ;;
    228295
    … …  
    230297  # The C for AIX Compiler uses -M and outputs the dependencies
    231298  # in a .u file.  In older versions, this file always lives in the
    232   # current directory.  Also, the AIX compiler puts `$object:' at the
     299  # current directory.  Also, the AIX compiler puts '$object:' at the
    233300  # start of each line; $object doesn't have directory information.
    234301  # Version 6 uses the directory in both cases.
    235   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
    236   test "x$dir" = "x$object" && dir=
    237   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
     302  set_dir_from "$object"
     303  set_base_from "$object"
    238304  if test "$libtool" = yes; then
    239305    tmpdepfile1=$dir$base.u
    … …  
    248314  fi
    249315  stat=$?
    250 
    251   if test $stat -eq 0; then :
    252   else
     316  if test $stat -ne 0; then
    253317    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
    254318    exit $stat
    … …  
    259323    test -f "$tmpdepfile" && break
    260324  done
    261   if test -f "$tmpdepfile"; then
    262     # Each line is of the form `foo.o: dependent.h'.
    263     # Do two passes, one to just change these to
    264     # `$object: dependent.h' and one to simply `dependent.h:'.
    265     sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
    266     # That's a tab and a space in the [].
    267     sed -e 's,^.*\.[a-z]*:[      ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
    268   else
    269     # The sourcefile does not contain any dependencies, so just
    270     # store a dummy comment line, to avoid errors with the Makefile
    271     # "include basename.Plo" scheme.
    272     echo "#dummy" > "$depfile"
    273   fi
     325  aix_post_process_depfile
     326  ;;
     327
     328tcc)
     329  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
     330  # FIXME: That version still under development at the moment of writing.
     331  #        Make that this statement remains true also for stable, released
     332  #        versions.
     333  # It will wrap lines (doesn't matter whether long or short) with a
     334  # trailing '\', as in:
     335  #
     336  #   foo.o : \
     337  #    foo.c \
     338  #    foo.h \
     339  #
     340  # It will put a trailing '\' even on the last line, and will use leading
     341  # spaces rather than leading tabs (at least since its commit 0394caf7
     342  # "Emit spaces for -MD").
     343  "$@" -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"
    274356  rm -f "$tmpdepfile"
    275357  ;;
    276358
    277 icc)
    278   # Intel's C compiler understands `-MD -MF file'.  However on
    279   #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
    280   # ICC 7.0 will fill foo.d with something like
    281   #    foo.o: sub/foo.c
    282   #    foo.o: sub/foo.h
    283   # which is wrong.  We want:
    284   #    sub/foo.o: sub/foo.c
    285   #    sub/foo.o: sub/foo.h
    286   #    sub/foo.c:
    287   #    sub/foo.h:
    288   # ICC 7.1 will output
     359## The order of this option in the case statement is important, since the
     360## shell code in configure will try each of these formats in the order
     361## listed in this file.  A plain '-MD' option would be understood by many
     362## compilers, so we must ensure this comes after the gcc and icc options.
     363pgcc)
     364  # Portland's C compiler understands '-MD'.
     365  # Will always output deps to 'file.d' where file is the root name of the
     366  # source file under compilation, even if file resides in a subdirectory.
     367  # The object file name does not affect the name of the '.d' file.
     368  # pgcc 10.2 will output
    289369  #    foo.o: sub/foo.c sub/foo.h
    290   # and will wrap long lines using \ :
     370  # and will wrap long lines using '\' :
    291371  #    foo.o: sub/foo.c ... \
    292372  #     sub/foo.h ... \
    293373  #     ...
    294 
    295   "$@" -MD -MF "$tmpdepfile"
    296   stat=$?
    297   if test $stat -eq 0; then :
    298   else
     374  set_dir_from "$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 $stat -ne 0; then
    299419    rm -f "$tmpdepfile"
    300420    exit $stat
    … …  
    308428  # Some versions of the HPUX 10.20 sed can't process this invocation
    309429  # correctly.  Breaking it into two sed invocations is a workaround.
    310   sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
    311     sed -e 's/$/ :/' >> "$depfile"
     430  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
     431    | sed -e 's/$/ :/' >> "$depfile"
    312432  rm -f "$tmpdepfile"
    313433  ;;
    … …  
    320440  # happens to be.
    321441  # Much of this is similar to the tru64 case; see comments there.
    322   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
    323   test "x$dir" = "x$object" && dir=
    324   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
     442  set_dir_from  "$object"
     443  set_base_from "$object"
    325444  if test "$libtool" = yes; then
    326445    tmpdepfile1=$dir$base.d
    … …  
    333452  fi
    334453  stat=$?
    335   if test $stat -eq 0; then :
    336   else
     454  if test $stat -ne 0; then
    337455     rm -f "$tmpdepfile1" "$tmpdepfile2"
    338456     exit $stat
    … …  
    344462  done
    345463  if test -f "$tmpdepfile"; then
    346     sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
    347     # Add `dependent.h:' lines.
     464    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
     465    # Add 'dependent.h:' lines.
    348466    sed -ne '2,${
    349                s/^ *//
    350                s/ \\*$//
    351                s/$/:/
    352                p
    353              }' "$tmpdepfile" >> "$depfile"
     467               s/^ *//
     468               s/ \\*$//
     469               s/$/:/
     470               p
     471             }' "$tmpdepfile" >> "$depfile"
    354472  else
    355     echo "#dummy" > "$depfile"
     473    make_dummy_depfile
    356474  fi
    357475  rm -f "$tmpdepfile" "$tmpdepfile2"
    … …  
    359477
    360478tru64)
    361    # The Tru64 compiler uses -MD to generate dependencies as a side
    362    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
    363    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
    364    # dependencies in `foo.d' instead, so we check for that too.
    365    # Subdirectories are respected.
    366    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
    367    test "x$dir" = "x$object" && dir=
    368    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
    369 
    370    if test "$libtool" = yes; then
    371       # With Tru64 cc, shared objects can also be used to make a
    372       # static library.  This mechanism is used in libtool 1.4 series to
    373       # handle both shared and static libraries in a single compilation.
    374       # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
    375       #
    376       # With libtool 1.5 this exception was removed, and libtool now
    377       # generates 2 separate objects for the 2 libraries.  These two
    378       # compilations output dependencies in $dir.libs/$base.o.d and
    379       # in $dir$base.o.d.  We have to check for both files, because
    380       # one of the two compilations can be disabled.  We should prefer
    381       # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
    382       # automatically cleaned when .libs/ is deleted, while ignoring
    383       # the former would cause a distcleancheck panic.
    384       tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
    385       tmpdepfile2=$dir$base.o.d          # libtool 1.5
    386       tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
    387       tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
    388       "$@" -Wc,-MD
    389    else
    390       tmpdepfile1=$dir$base.o.d
    391       tmpdepfile2=$dir$base.d
    392       tmpdepfile3=$dir$base.d
    393       tmpdepfile4=$dir$base.d
    394       "$@" -MD
    395    fi
    396 
    397    stat=$?
    398    if test $stat -eq 0; then :
    399    else
    400       rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
    401       exit $stat
    402    fi
    403 
    404    for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
    405    do
    406      test -f "$tmpdepfile" && break
    407    done
    408    if test -f "$tmpdepfile"; then
    409       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
    410       # That's a tab and a space in the [].
    411       sed -e 's,^.*\.[a-z]*:[    ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
    412    else
    413       echo "#dummy" > "$depfile"
    414    fi
    415    rm -f "$tmpdepfile"
    416    ;;
     479  # The Tru64 compiler uses -MD to generate dependencies as a side
     480  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
     481  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
     482  # dependencies in 'foo.d' instead, so we check for that too.
     483  # Subdirectories are respected.
     484  set_dir_from  "$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 "$tmpdepfile" && break
     515  done
     516  # Same post-processing that is required for AIX mode.
     517  aix_post_process_depfile
     518  ;;
    417519
    418520msvc7)
    … …  
    425527  stat=$?
    426528  grep -v '^Note: including file: ' "$tmpdepfile"
    427   if test "$stat" = 0; then :
    428   else
     529  if test $stat -ne 0; then
    429530    rm -f "$tmpdepfile"
    430531    exit $stat
    … …  
    444545}' | $cygpath_u | sort -u | sed -n '
    445546s/ /\\ /g
    446 s/\(.*\)/       \1 \\/p
     547s/\(.*\)/'"$tab"'\1 \\/p
    447548s/.\(.*\) \\/\1:/
    448549H
    449550$ {
    450   s/.*/ /
     551  s/.*/'"$tab"'/
    451552  G
    452553  p
    453554}' >> "$depfile"
     555  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
    454556  rm -f "$tmpdepfile"
    455557  ;;
    … …  
    479581  fi
    480582
    481   # Remove `-o $object'.
     583  # Remove '-o $object'.
    482584  IFS=" "
    483585  for arg
    … …  
    499601
    500602  test -z "$dashmflag" && dashmflag=-M
    501   # Require at least two characters before searching for `:'
     603  # Require at least two characters before searching for ':'
    502604  # in the target name.  This is to cope with DOS-style filenames:
    503   # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
     605  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
    504606  "$@" $dashmflag |
    505     sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
     607    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
    506608  rm -f "$depfile"
    507609  cat < "$tmpdepfile" > "$depfile"
    508   tr ' ' '
    509 ' < "$tmpdepfile" | \
    510 ## Some versions of the HPUX 10.20 sed can't process this invocation
    511 ## correctly.  Breaking it into two sed invocations is a workaround.
    512     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$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"
    513615  rm -f "$tmpdepfile"
    514616  ;;
    … …  
    563665  # No need to regex-escape $object, excess matching of '.' is harmless.
    564666  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
    565   sed '1,2d' "$tmpdepfile" | tr ' ' '
    566 ' | \
    567 ## Some versions of the HPUX 10.20 sed can't process this invocation
    568 ## correctly.  Breaking it into two sed invocations is a workaround.
    569     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$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"
    570673  rm -f "$tmpdepfile" "$tmpdepfile".bak
    571674  ;;
    … …  
    584687  fi
    585688
    586   # Remove `-o $object'.
     689  # Remove '-o $object'.
    587690  IFS=" "
    588691  for arg
    … …  
    603706  done
    604707
    605   "$@" -E |
    606     sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
    607        -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
    608     sed '$ s: \\$::' > "$tmpdepfile"
     708  "$@" -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: \\$::' > "$tmpdepfile"
    609712  rm -f "$depfile"
    610713  echo "$object : \\" > "$depfile"
    … …  
    638741      ;;
    639742    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
    640         set fnord "$@"
    641         shift
    642         shift
    643         ;;
     743        set fnord "$@"
     744        shift
     745        shift
     746        ;;
    644747    *)
    645         set fnord "$@" "$arg"
    646         shift
    647         shift
    648         ;;
     748        set fnord "$@" "$arg"
     749        shift
     750        shift
     751        ;;
    649752    esac
    650753  done
    … …  
    653756  rm -f "$depfile"
    654757  echo "$object : \\" > "$depfile"
    655   sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::      \1 \\:p' >> "$depfile"
    656   echo "        " >> "$depfile"
     758  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
     759  echo "$tab" >> "$depfile"
    657760  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
    658761  rm -f "$tmpdepfile"
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