Blame depcomp

Packit 9c6abc
#! /bin/sh
Packit 9c6abc
# depcomp - compile a program generating dependencies as side-effects
Packit 9c6abc
Packit 9c6abc
scriptversion=2016-01-11.22; # UTC
Packit 9c6abc
Packit 9c6abc
# Copyright (C) 1999-2017 Free Software Foundation, Inc.
Packit 9c6abc
Packit 9c6abc
# This program is free software; you can redistribute it and/or modify
Packit 9c6abc
# it under the terms of the GNU General Public License as published by
Packit 9c6abc
# the Free Software Foundation; either version 2, or (at your option)
Packit 9c6abc
# any later version.
Packit 9c6abc
Packit 9c6abc
# This program is distributed in the hope that it will be useful,
Packit 9c6abc
# but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 9c6abc
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Packit 9c6abc
# GNU General Public License for more details.
Packit 9c6abc
Packit 9c6abc
# You should have received a copy of the GNU General Public License
Packit 9c6abc
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
Packit 9c6abc
Packit 9c6abc
# As a special exception to the GNU General Public License, if you
Packit 9c6abc
# distribute this file as part of a program that contains a
Packit 9c6abc
# configuration script generated by Autoconf, you may include it under
Packit 9c6abc
# the same distribution terms that you use for the rest of that program.
Packit 9c6abc
Packit 9c6abc
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
Packit 9c6abc
Packit 9c6abc
case $1 in
Packit 9c6abc
  '')
Packit 9c6abc
    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
Packit 9c6abc
    exit 1;
Packit 9c6abc
    ;;
Packit 9c6abc
  -h | --h*)
Packit 9c6abc
    cat <<\EOF
Packit 9c6abc
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Packit 9c6abc
Packit 9c6abc
Run PROGRAMS ARGS to compile a file, generating dependencies
Packit 9c6abc
as side-effects.
Packit 9c6abc
Packit 9c6abc
Environment variables:
Packit 9c6abc
  depmode     Dependency tracking mode.
Packit 9c6abc
  source      Source file read by 'PROGRAMS ARGS'.
Packit 9c6abc
  object      Object file output by 'PROGRAMS ARGS'.
Packit 9c6abc
  DEPDIR      directory where to store dependencies.
Packit 9c6abc
  depfile     Dependency file to output.
Packit 9c6abc
  tmpdepfile  Temporary file to use when outputting dependencies.
Packit 9c6abc
  libtool     Whether libtool is used (yes/no).
Packit 9c6abc
Packit 9c6abc
Report bugs to <bug-automake@gnu.org>.
Packit 9c6abc
EOF
Packit 9c6abc
    exit $?
Packit 9c6abc
    ;;
Packit 9c6abc
  -v | --v*)
Packit 9c6abc
    echo "depcomp $scriptversion"
Packit 9c6abc
    exit $?
Packit 9c6abc
    ;;
Packit 9c6abc
esac
Packit 9c6abc
Packit 9c6abc
# Get the directory component of the given path, and save it in the
Packit 9c6abc
# global variables '$dir'.  Note that this directory component will
Packit 9c6abc
# be either empty or ending with a '/' character.  This is deliberate.
Packit 9c6abc
set_dir_from ()
Packit 9c6abc
{
Packit 9c6abc
  case $1 in
Packit 9c6abc
    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
Packit 9c6abc
      *) dir=;;
Packit 9c6abc
  esac
Packit 9c6abc
}
Packit 9c6abc
Packit 9c6abc
# Get the suffix-stripped basename of the given path, and save it the
Packit 9c6abc
# global variable '$base'.
Packit 9c6abc
set_base_from ()
Packit 9c6abc
{
Packit 9c6abc
  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
Packit 9c6abc
}
Packit 9c6abc
Packit 9c6abc
# If no dependency file was actually created by the compiler invocation,
Packit 9c6abc
# we still have to create a dummy depfile, to avoid errors with the
Packit 9c6abc
# Makefile "include basename.Plo" scheme.
Packit 9c6abc
make_dummy_depfile ()
Packit 9c6abc
{
Packit 9c6abc
  echo "#dummy" > "$depfile"
Packit 9c6abc
}
Packit 9c6abc
Packit 9c6abc
# Factor out some common post-processing of the generated depfile.
Packit 9c6abc
# Requires the auxiliary global variable '$tmpdepfile' to be set.
Packit 9c6abc
aix_post_process_depfile ()
Packit 9c6abc
{
Packit 9c6abc
  # If the compiler actually managed to produce a dependency file,
Packit 9c6abc
  # post-process it.
Packit 9c6abc
  if test -f "$tmpdepfile"; then
Packit 9c6abc
    # Each line is of the form 'foo.o: dependency.h'.
Packit 9c6abc
    # Do two passes, one to just change these to
Packit 9c6abc
    #   $object: dependency.h
Packit 9c6abc
    # and one to simply output
Packit 9c6abc
    #   dependency.h:
Packit 9c6abc
    # which is needed to avoid the deleted-header problem.
Packit 9c6abc
    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
Packit 9c6abc
      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
Packit 9c6abc
    } > "$depfile"
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
  else
Packit 9c6abc
    make_dummy_depfile
Packit 9c6abc
  fi
Packit 9c6abc
}
Packit 9c6abc
Packit 9c6abc
# A tabulation character.
Packit 9c6abc
tab='	'
Packit 9c6abc
# A newline character.
Packit 9c6abc
nl='
Packit 9c6abc
'
Packit 9c6abc
# Character ranges might be problematic outside the C locale.
Packit 9c6abc
# These definitions help.
Packit 9c6abc
upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
Packit 9c6abc
lower=abcdefghijklmnopqrstuvwxyz
Packit 9c6abc
digits=0123456789
Packit 9c6abc
alpha=${upper}${lower}
Packit 9c6abc
Packit 9c6abc
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
Packit 9c6abc
  echo "depcomp: Variables source, object and depmode must be set" 1>&2
Packit 9c6abc
  exit 1
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
Packit 9c6abc
depfile=${depfile-`echo "$object" |
Packit 9c6abc
  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
Packit 9c6abc
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
Packit 9c6abc
Packit 9c6abc
rm -f "$tmpdepfile"
Packit 9c6abc
Packit 9c6abc
# Avoid interferences from the environment.
Packit 9c6abc
gccflag= dashmflag=
Packit 9c6abc
Packit 9c6abc
# Some modes work just like other modes, but use different flags.  We
Packit 9c6abc
# parameterize here, but still list the modes in the big case below,
Packit 9c6abc
# to make depend.m4 easier to write.  Note that we *cannot* use a case
Packit 9c6abc
# here, because this file can only contain one case statement.
Packit 9c6abc
if test "$depmode" = hp; then
Packit 9c6abc
  # HP compiler uses -M and no extra arg.
Packit 9c6abc
  gccflag=-M
Packit 9c6abc
  depmode=gcc
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
if test "$depmode" = dashXmstdout; then
Packit 9c6abc
  # This is just like dashmstdout with a different argument.
Packit 9c6abc
  dashmflag=-xM
Packit 9c6abc
  depmode=dashmstdout
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
cygpath_u="cygpath -u -f -"
Packit 9c6abc
if test "$depmode" = msvcmsys; then
Packit 9c6abc
  # This is just like msvisualcpp but w/o cygpath translation.
Packit 9c6abc
  # Just convert the backslash-escaped backslashes to single forward
Packit 9c6abc
  # slashes to satisfy depend.m4
Packit 9c6abc
  cygpath_u='sed s,\\\\,/,g'
Packit 9c6abc
  depmode=msvisualcpp
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
if test "$depmode" = msvc7msys; then
Packit 9c6abc
  # This is just like msvc7 but w/o cygpath translation.
Packit 9c6abc
  # Just convert the backslash-escaped backslashes to single forward
Packit 9c6abc
  # slashes to satisfy depend.m4
Packit 9c6abc
  cygpath_u='sed s,\\\\,/,g'
Packit 9c6abc
  depmode=msvc7
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
if test "$depmode" = xlc; then
Packit 9c6abc
  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
Packit 9c6abc
  gccflag=-qmakedep=gcc,-MF
Packit 9c6abc
  depmode=gcc
Packit 9c6abc
fi
Packit 9c6abc
Packit 9c6abc
case "$depmode" in
Packit 9c6abc
gcc3)
Packit 9c6abc
## gcc 3 implements dependency tracking that does exactly what
Packit 9c6abc
## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
Packit 9c6abc
## it if -MD -MP comes after the -MF stuff.  Hmm.
Packit 9c6abc
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
Packit 9c6abc
## the command line argument order; so add the flags where they
Packit 9c6abc
## appear in depend2.am.  Note that the slowdown incurred here
Packit 9c6abc
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
Packit 9c6abc
  for arg
Packit 9c6abc
  do
Packit 9c6abc
    case $arg in
Packit 9c6abc
    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
Packit 9c6abc
    *)  set fnord "$@" "$arg" ;;
Packit 9c6abc
    esac
Packit 9c6abc
    shift # fnord
Packit 9c6abc
    shift # $arg
Packit 9c6abc
  done
Packit 9c6abc
  "$@"
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  mv "$tmpdepfile" "$depfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
gcc)
Packit 9c6abc
## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
Packit 9c6abc
## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
Packit 9c6abc
## (see the conditional assignment to $gccflag above).
Packit 9c6abc
## There are various ways to get dependency output from gcc.  Here's
Packit 9c6abc
## why we pick this rather obscure method:
Packit 9c6abc
## - Don't want to use -MD because we'd like the dependencies to end
Packit 9c6abc
##   up in a subdir.  Having to rename by hand is ugly.
Packit 9c6abc
##   (We might end up doing this anyway to support other compilers.)
Packit 9c6abc
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
Packit 9c6abc
##   -MM, not -M (despite what the docs say).  Also, it might not be
Packit 9c6abc
##   supported by the other compilers which use the 'gcc' depmode.
Packit 9c6abc
## - Using -M directly means running the compiler twice (even worse
Packit 9c6abc
##   than renaming).
Packit 9c6abc
  if test -z "$gccflag"; then
Packit 9c6abc
    gccflag=-MD,
Packit 9c6abc
  fi
Packit 9c6abc
  "$@" -Wp,"$gccflag$tmpdepfile"
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  echo "$object : \\" > "$depfile"
Packit 9c6abc
  # The second -e expression handles DOS-style file names with drive
Packit 9c6abc
  # letters.
Packit 9c6abc
  sed -e 's/^[^:]*: / /' \
Packit 9c6abc
      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
Packit 9c6abc
## This next piece of magic avoids the "deleted header file" problem.
Packit 9c6abc
## The problem is that when a header file which appears in a .P file
Packit 9c6abc
## is deleted, the dependency causes make to die (because there is
Packit 9c6abc
## typically no way to rebuild the header).  We avoid this by adding
Packit 9c6abc
## dummy dependencies for each header file.  Too bad gcc doesn't do
Packit 9c6abc
## this for us directly.
Packit 9c6abc
## Some versions of gcc put a space before the ':'.  On the theory
Packit 9c6abc
## that the space means something, we add a space to the output as
Packit 9c6abc
## well.  hp depmode also adds that space, but also prefixes the VPATH
Packit 9c6abc
## to the object.  Take care to not repeat it in the output.
Packit 9c6abc
## Some versions of the HPUX 10.20 sed can't process this invocation
Packit 9c6abc
## correctly.  Breaking it into two sed invocations is a workaround.
Packit 9c6abc
  tr ' ' "$nl" < "$tmpdepfile" \
Packit 9c6abc
    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
Packit 9c6abc
    | sed -e 's/$/ :/' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
hp)
Packit 9c6abc
  # This case exists only to let depend.m4 do its work.  It works by
Packit 9c6abc
  # looking at the text of this script.  This case will never be run,
Packit 9c6abc
  # since it is checked for above.
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
sgi)
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    "$@" "-Wp,-MDupdate,$tmpdepfile"
Packit 9c6abc
  else
Packit 9c6abc
    "$@" -MDupdate "$tmpdepfile"
Packit 9c6abc
  fi
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
Packit 9c6abc
  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
Packit 9c6abc
    echo "$object : \\" > "$depfile"
Packit 9c6abc
    # Clip off the initial element (the dependent).  Don't try to be
Packit 9c6abc
    # clever and replace this with sed code, as IRIX sed won't handle
Packit 9c6abc
    # lines with more than a fixed number of characters (4096 in
Packit 9c6abc
    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
Packit 9c6abc
    # the IRIX cc adds comments like '#:fec' to the end of the
Packit 9c6abc
    # dependency line.
Packit 9c6abc
    tr ' ' "$nl" < "$tmpdepfile" \
Packit 9c6abc
      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
Packit 9c6abc
      | tr "$nl" ' ' >> "$depfile"
Packit 9c6abc
    echo >> "$depfile"
Packit 9c6abc
    # The second pass generates a dummy entry for each header file.
Packit 9c6abc
    tr ' ' "$nl" < "$tmpdepfile" \
Packit 9c6abc
      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
Packit 9c6abc
      >> "$depfile"
Packit 9c6abc
  else
Packit 9c6abc
    make_dummy_depfile
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
xlc)
Packit 9c6abc
  # This case exists only to let depend.m4 do its work.  It works by
Packit 9c6abc
  # looking at the text of this script.  This case will never be run,
Packit 9c6abc
  # since it is checked for above.
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
aix)
Packit 9c6abc
  # The C for AIX Compiler uses -M and outputs the dependencies
Packit 9c6abc
  # in a .u file.  In older versions, this file always lives in the
Packit 9c6abc
  # current directory.  Also, the AIX compiler puts '$object:' at the
Packit 9c6abc
  # start of each line; $object doesn't have directory information.
Packit 9c6abc
  # Version 6 uses the directory in both cases.
Packit 9c6abc
  set_dir_from "$object"
Packit 9c6abc
  set_base_from "$object"
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    tmpdepfile1=$dir$base.u
Packit 9c6abc
    tmpdepfile2=$base.u
Packit 9c6abc
    tmpdepfile3=$dir.libs/$base.u
Packit 9c6abc
    "$@" -Wc,-M
Packit 9c6abc
  else
Packit 9c6abc
    tmpdepfile1=$dir$base.u
Packit 9c6abc
    tmpdepfile2=$dir$base.u
Packit 9c6abc
    tmpdepfile3=$dir$base.u
Packit 9c6abc
    "$@" -M
Packit 9c6abc
  fi
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Packit 9c6abc
  do
Packit 9c6abc
    test -f "$tmpdepfile" && break
Packit 9c6abc
  done
Packit 9c6abc
  aix_post_process_depfile
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
tcc)
Packit 9c6abc
  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
Packit 9c6abc
  # FIXME: That version still under development at the moment of writing.
Packit 9c6abc
  #        Make that this statement remains true also for stable, released
Packit 9c6abc
  #        versions.
Packit 9c6abc
  # It will wrap lines (doesn't matter whether long or short) with a
Packit 9c6abc
  # trailing '\', as in:
Packit 9c6abc
  #
Packit 9c6abc
  #   foo.o : \
Packit 9c6abc
  #    foo.c \
Packit 9c6abc
  #    foo.h \
Packit 9c6abc
  #
Packit 9c6abc
  # It will put a trailing '\' even on the last line, and will use leading
Packit 9c6abc
  # spaces rather than leading tabs (at least since its commit 0394caf7
Packit 9c6abc
  # "Emit spaces for -MD").
Packit 9c6abc
  "$@" -MD -MF "$tmpdepfile"
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
Packit 9c6abc
  # We have to change lines of the first kind to '$object: \'.
Packit 9c6abc
  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
Packit 9c6abc
  # And for each line of the second kind, we have to emit a 'dep.h:'
Packit 9c6abc
  # dummy dependency, to avoid the deleted-header problem.
Packit 9c6abc
  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
## The order of this option in the case statement is important, since the
Packit 9c6abc
## shell code in configure will try each of these formats in the order
Packit 9c6abc
## listed in this file.  A plain '-MD' option would be understood by many
Packit 9c6abc
## compilers, so we must ensure this comes after the gcc and icc options.
Packit 9c6abc
pgcc)
Packit 9c6abc
  # Portland's C compiler understands '-MD'.
Packit 9c6abc
  # Will always output deps to 'file.d' where file is the root name of the
Packit 9c6abc
  # source file under compilation, even if file resides in a subdirectory.
Packit 9c6abc
  # The object file name does not affect the name of the '.d' file.
Packit 9c6abc
  # pgcc 10.2 will output
Packit 9c6abc
  #    foo.o: sub/foo.c sub/foo.h
Packit 9c6abc
  # and will wrap long lines using '\' :
Packit 9c6abc
  #    foo.o: sub/foo.c ... \
Packit 9c6abc
  #     sub/foo.h ... \
Packit 9c6abc
  #     ...
Packit 9c6abc
  set_dir_from "$object"
Packit 9c6abc
  # Use the source, not the object, to determine the base name, since
Packit 9c6abc
  # that's sadly what pgcc will do too.
Packit 9c6abc
  set_base_from "$source"
Packit 9c6abc
  tmpdepfile=$base.d
Packit 9c6abc
Packit 9c6abc
  # For projects that build the same source file twice into different object
Packit 9c6abc
  # files, the pgcc approach of using the *source* file root name can cause
Packit 9c6abc
  # problems in parallel builds.  Use a locking strategy to avoid stomping on
Packit 9c6abc
  # the same $tmpdepfile.
Packit 9c6abc
  lockdir=$base.d-lock
Packit 9c6abc
  trap "
Packit 9c6abc
    echo '$0: caught signal, cleaning up...' >&2
Packit 9c6abc
    rmdir '$lockdir'
Packit 9c6abc
    exit 1
Packit 9c6abc
  " 1 2 13 15
Packit 9c6abc
  numtries=100
Packit 9c6abc
  i=$numtries
Packit 9c6abc
  while test $i -gt 0; do
Packit 9c6abc
    # mkdir is a portable test-and-set.
Packit 9c6abc
    if mkdir "$lockdir" 2>/dev/null; then
Packit 9c6abc
      # This process acquired the lock.
Packit 9c6abc
      "$@" -MD
Packit 9c6abc
      stat=$?
Packit 9c6abc
      # Release the lock.
Packit 9c6abc
      rmdir "$lockdir"
Packit 9c6abc
      break
Packit 9c6abc
    else
Packit 9c6abc
      # If the lock is being held by a different process, wait
Packit 9c6abc
      # until the winning process is done or we timeout.
Packit 9c6abc
      while test -d "$lockdir" && test $i -gt 0; do
Packit 9c6abc
        sleep 1
Packit 9c6abc
        i=`expr $i - 1`
Packit 9c6abc
      done
Packit 9c6abc
    fi
Packit 9c6abc
    i=`expr $i - 1`
Packit 9c6abc
  done
Packit 9c6abc
  trap - 1 2 13 15
Packit 9c6abc
  if test $i -le 0; then
Packit 9c6abc
    echo "$0: failed to acquire lock after $numtries attempts" >&2
Packit 9c6abc
    echo "$0: check lockdir '$lockdir'" >&2
Packit 9c6abc
    exit 1
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  # Each line is of the form `foo.o: dependent.h',
Packit 9c6abc
  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
Packit 9c6abc
  # Do two passes, one to just change these to
Packit 9c6abc
  # `$object: dependent.h' and one to simply `dependent.h:'.
Packit 9c6abc
  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
Packit 9c6abc
  # Some versions of the HPUX 10.20 sed can't process this invocation
Packit 9c6abc
  # correctly.  Breaking it into two sed invocations is a workaround.
Packit 9c6abc
  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
Packit 9c6abc
    | sed -e 's/$/ :/' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
hp2)
Packit 9c6abc
  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
Packit 9c6abc
  # compilers, which have integrated preprocessors.  The correct option
Packit 9c6abc
  # to use with these is +Maked; it writes dependencies to a file named
Packit 9c6abc
  # 'foo.d', which lands next to the object file, wherever that
Packit 9c6abc
  # happens to be.
Packit 9c6abc
  # Much of this is similar to the tru64 case; see comments there.
Packit 9c6abc
  set_dir_from  "$object"
Packit 9c6abc
  set_base_from "$object"
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    tmpdepfile1=$dir$base.d
Packit 9c6abc
    tmpdepfile2=$dir.libs/$base.d
Packit 9c6abc
    "$@" -Wc,+Maked
Packit 9c6abc
  else
Packit 9c6abc
    tmpdepfile1=$dir$base.d
Packit 9c6abc
    tmpdepfile2=$dir$base.d
Packit 9c6abc
    "$@" +Maked
Packit 9c6abc
  fi
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
     rm -f "$tmpdepfile1" "$tmpdepfile2"
Packit 9c6abc
     exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
Packit 9c6abc
  do
Packit 9c6abc
    test -f "$tmpdepfile" && break
Packit 9c6abc
  done
Packit 9c6abc
  if test -f "$tmpdepfile"; then
Packit 9c6abc
    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
Packit 9c6abc
    # Add 'dependent.h:' lines.
Packit 9c6abc
    sed -ne '2,${
Packit 9c6abc
               s/^ *//
Packit 9c6abc
               s/ \\*$//
Packit 9c6abc
               s/$/:/
Packit 9c6abc
               p
Packit 9c6abc
             }' "$tmpdepfile" >> "$depfile"
Packit 9c6abc
  else
Packit 9c6abc
    make_dummy_depfile
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$tmpdepfile" "$tmpdepfile2"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
tru64)
Packit 9c6abc
  # The Tru64 compiler uses -MD to generate dependencies as a side
Packit 9c6abc
  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
Packit 9c6abc
  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
Packit 9c6abc
  # dependencies in 'foo.d' instead, so we check for that too.
Packit 9c6abc
  # Subdirectories are respected.
Packit 9c6abc
  set_dir_from  "$object"
Packit 9c6abc
  set_base_from "$object"
Packit 9c6abc
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    # Libtool generates 2 separate objects for the 2 libraries.  These
Packit 9c6abc
    # two compilations output dependencies in $dir.libs/$base.o.d and
Packit 9c6abc
    # in $dir$base.o.d.  We have to check for both files, because
Packit 9c6abc
    # one of the two compilations can be disabled.  We should prefer
Packit 9c6abc
    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
Packit 9c6abc
    # automatically cleaned when .libs/ is deleted, while ignoring
Packit 9c6abc
    # the former would cause a distcleancheck panic.
Packit 9c6abc
    tmpdepfile1=$dir$base.o.d          # libtool 1.5
Packit 9c6abc
    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
Packit 9c6abc
    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
Packit 9c6abc
    "$@" -Wc,-MD
Packit 9c6abc
  else
Packit 9c6abc
    tmpdepfile1=$dir$base.d
Packit 9c6abc
    tmpdepfile2=$dir$base.d
Packit 9c6abc
    tmpdepfile3=$dir$base.d
Packit 9c6abc
    "$@" -MD
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  stat=$?
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
Packit 9c6abc
  do
Packit 9c6abc
    test -f "$tmpdepfile" && break
Packit 9c6abc
  done
Packit 9c6abc
  # Same post-processing that is required for AIX mode.
Packit 9c6abc
  aix_post_process_depfile
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
msvc7)
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    showIncludes=-Wc,-showIncludes
Packit 9c6abc
  else
Packit 9c6abc
    showIncludes=-showIncludes
Packit 9c6abc
  fi
Packit 9c6abc
  "$@" $showIncludes > "$tmpdepfile"
Packit 9c6abc
  stat=$?
Packit 9c6abc
  grep -v '^Note: including file: ' "$tmpdepfile"
Packit 9c6abc
  if test $stat -ne 0; then
Packit 9c6abc
    rm -f "$tmpdepfile"
Packit 9c6abc
    exit $stat
Packit 9c6abc
  fi
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  echo "$object : \\" > "$depfile"
Packit 9c6abc
  # The first sed program below extracts the file names and escapes
Packit 9c6abc
  # backslashes for cygpath.  The second sed program outputs the file
Packit 9c6abc
  # name when reading, but also accumulates all include files in the
Packit 9c6abc
  # hold buffer in order to output them again at the end.  This only
Packit 9c6abc
  # works with sed implementations that can handle large buffers.
Packit 9c6abc
  sed < "$tmpdepfile" -n '
Packit 9c6abc
/^Note: including file:  *\(.*\)/ {
Packit 9c6abc
  s//\1/
Packit 9c6abc
  s/\\/\\\\/g
Packit 9c6abc
  p
Packit 9c6abc
}' | $cygpath_u | sort -u | sed -n '
Packit 9c6abc
s/ /\\ /g
Packit 9c6abc
s/\(.*\)/'"$tab"'\1 \\/p
Packit 9c6abc
s/.\(.*\) \\/\1:/
Packit 9c6abc
H
Packit 9c6abc
$ {
Packit 9c6abc
  s/.*/'"$tab"'/
Packit 9c6abc
  G
Packit 9c6abc
  p
Packit 9c6abc
}' >> "$depfile"
Packit 9c6abc
  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
msvc7msys)
Packit 9c6abc
  # This case exists only to let depend.m4 do its work.  It works by
Packit 9c6abc
  # looking at the text of this script.  This case will never be run,
Packit 9c6abc
  # since it is checked for above.
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
#nosideeffect)
Packit 9c6abc
  # This comment above is used by automake to tell side-effect
Packit 9c6abc
  # dependency tracking mechanisms from slower ones.
Packit 9c6abc
Packit 9c6abc
dashmstdout)
Packit 9c6abc
  # Important note: in order to support this mode, a compiler *must*
Packit 9c6abc
  # always write the preprocessed file to stdout, regardless of -o.
Packit 9c6abc
  "$@" || exit $?
Packit 9c6abc
Packit 9c6abc
  # Remove the call to Libtool.
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    while test "X$1" != 'X--mode=compile'; do
Packit 9c6abc
      shift
Packit 9c6abc
    done
Packit 9c6abc
    shift
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  # Remove '-o $object'.
Packit 9c6abc
  IFS=" "
Packit 9c6abc
  for arg
Packit 9c6abc
  do
Packit 9c6abc
    case $arg in
Packit 9c6abc
    -o)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    $object)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    *)
Packit 9c6abc
      set fnord "$@" "$arg"
Packit 9c6abc
      shift # fnord
Packit 9c6abc
      shift # $arg
Packit 9c6abc
      ;;
Packit 9c6abc
    esac
Packit 9c6abc
  done
Packit 9c6abc
Packit 9c6abc
  test -z "$dashmflag" && dashmflag=-M
Packit 9c6abc
  # Require at least two characters before searching for ':'
Packit 9c6abc
  # in the target name.  This is to cope with DOS-style filenames:
Packit 9c6abc
  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
Packit 9c6abc
  "$@" $dashmflag |
Packit 9c6abc
    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  cat < "$tmpdepfile" > "$depfile"
Packit 9c6abc
  # Some versions of the HPUX 10.20 sed can't process this sed invocation
Packit 9c6abc
  # correctly.  Breaking it into two sed invocations is a workaround.
Packit 9c6abc
  tr ' ' "$nl" < "$tmpdepfile" \
Packit 9c6abc
    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
Packit 9c6abc
    | sed -e 's/$/ :/' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
dashXmstdout)
Packit 9c6abc
  # This case only exists to satisfy depend.m4.  It is never actually
Packit 9c6abc
  # run, as this mode is specially recognized in the preamble.
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
makedepend)
Packit 9c6abc
  "$@" || exit $?
Packit 9c6abc
  # Remove any Libtool call
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    while test "X$1" != 'X--mode=compile'; do
Packit 9c6abc
      shift
Packit 9c6abc
    done
Packit 9c6abc
    shift
Packit 9c6abc
  fi
Packit 9c6abc
  # X makedepend
Packit 9c6abc
  shift
Packit 9c6abc
  cleared=no eat=no
Packit 9c6abc
  for arg
Packit 9c6abc
  do
Packit 9c6abc
    case $cleared in
Packit 9c6abc
    no)
Packit 9c6abc
      set ""; shift
Packit 9c6abc
      cleared=yes ;;
Packit 9c6abc
    esac
Packit 9c6abc
    if test $eat = yes; then
Packit 9c6abc
      eat=no
Packit 9c6abc
      continue
Packit 9c6abc
    fi
Packit 9c6abc
    case "$arg" in
Packit 9c6abc
    -D*|-I*)
Packit 9c6abc
      set fnord "$@" "$arg"; shift ;;
Packit 9c6abc
    # Strip any option that makedepend may not understand.  Remove
Packit 9c6abc
    # the object too, otherwise makedepend will parse it as a source file.
Packit 9c6abc
    -arch)
Packit 9c6abc
      eat=yes ;;
Packit 9c6abc
    -*|$object)
Packit 9c6abc
      ;;
Packit 9c6abc
    *)
Packit 9c6abc
      set fnord "$@" "$arg"; shift ;;
Packit 9c6abc
    esac
Packit 9c6abc
  done
Packit 9c6abc
  obj_suffix=`echo "$object" | sed 's/^.*\././'`
Packit 9c6abc
  touch "$tmpdepfile"
Packit 9c6abc
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  # makedepend may prepend the VPATH from the source file name to the object.
Packit 9c6abc
  # No need to regex-escape $object, excess matching of '.' is harmless.
Packit 9c6abc
  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
Packit 9c6abc
  # Some versions of the HPUX 10.20 sed can't process the last invocation
Packit 9c6abc
  # correctly.  Breaking it into two sed invocations is a workaround.
Packit 9c6abc
  sed '1,2d' "$tmpdepfile" \
Packit 9c6abc
    | tr ' ' "$nl" \
Packit 9c6abc
    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
Packit 9c6abc
    | sed -e 's/$/ :/' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile" "$tmpdepfile".bak
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
cpp)
Packit 9c6abc
  # Important note: in order to support this mode, a compiler *must*
Packit 9c6abc
  # always write the preprocessed file to stdout.
Packit 9c6abc
  "$@" || exit $?
Packit 9c6abc
Packit 9c6abc
  # Remove the call to Libtool.
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    while test "X$1" != 'X--mode=compile'; do
Packit 9c6abc
      shift
Packit 9c6abc
    done
Packit 9c6abc
    shift
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  # Remove '-o $object'.
Packit 9c6abc
  IFS=" "
Packit 9c6abc
  for arg
Packit 9c6abc
  do
Packit 9c6abc
    case $arg in
Packit 9c6abc
    -o)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    $object)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    *)
Packit 9c6abc
      set fnord "$@" "$arg"
Packit 9c6abc
      shift # fnord
Packit 9c6abc
      shift # $arg
Packit 9c6abc
      ;;
Packit 9c6abc
    esac
Packit 9c6abc
  done
Packit 9c6abc
Packit 9c6abc
  "$@" -E \
Packit 9c6abc
    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
Packit 9c6abc
             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
Packit 9c6abc
    | sed '$ s: \\$::' > "$tmpdepfile"
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  echo "$object : \\" > "$depfile"
Packit 9c6abc
  cat < "$tmpdepfile" >> "$depfile"
Packit 9c6abc
  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
msvisualcpp)
Packit 9c6abc
  # Important note: in order to support this mode, a compiler *must*
Packit 9c6abc
  # always write the preprocessed file to stdout.
Packit 9c6abc
  "$@" || exit $?
Packit 9c6abc
Packit 9c6abc
  # Remove the call to Libtool.
Packit 9c6abc
  if test "$libtool" = yes; then
Packit 9c6abc
    while test "X$1" != 'X--mode=compile'; do
Packit 9c6abc
      shift
Packit 9c6abc
    done
Packit 9c6abc
    shift
Packit 9c6abc
  fi
Packit 9c6abc
Packit 9c6abc
  IFS=" "
Packit 9c6abc
  for arg
Packit 9c6abc
  do
Packit 9c6abc
    case "$arg" in
Packit 9c6abc
    -o)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    $object)
Packit 9c6abc
      shift
Packit 9c6abc
      ;;
Packit 9c6abc
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
Packit 9c6abc
        set fnord "$@"
Packit 9c6abc
        shift
Packit 9c6abc
        shift
Packit 9c6abc
        ;;
Packit 9c6abc
    *)
Packit 9c6abc
        set fnord "$@" "$arg"
Packit 9c6abc
        shift
Packit 9c6abc
        shift
Packit 9c6abc
        ;;
Packit 9c6abc
    esac
Packit 9c6abc
  done
Packit 9c6abc
  "$@" -E 2>/dev/null |
Packit 9c6abc
  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
Packit 9c6abc
  rm -f "$depfile"
Packit 9c6abc
  echo "$object : \\" > "$depfile"
Packit 9c6abc
  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
Packit 9c6abc
  echo "$tab" >> "$depfile"
Packit 9c6abc
  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
Packit 9c6abc
  rm -f "$tmpdepfile"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
msvcmsys)
Packit 9c6abc
  # This case exists only to let depend.m4 do its work.  It works by
Packit 9c6abc
  # looking at the text of this script.  This case will never be run,
Packit 9c6abc
  # since it is checked for above.
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
none)
Packit 9c6abc
  exec "$@"
Packit 9c6abc
  ;;
Packit 9c6abc
Packit 9c6abc
*)
Packit 9c6abc
  echo "Unknown depmode $depmode" 1>&2
Packit 9c6abc
  exit 1
Packit 9c6abc
  ;;
Packit 9c6abc
esac
Packit 9c6abc
Packit 9c6abc
exit 0
Packit 9c6abc
Packit 9c6abc
# Local Variables:
Packit 9c6abc
# mode: shell-script
Packit 9c6abc
# sh-indentation: 2
Packit 9c6abc
# eval: (add-hook 'write-file-hooks 'time-stamp)
Packit 9c6abc
# time-stamp-start: "scriptversion="
Packit 9c6abc
# time-stamp-format: "%:y-%02m-%02d.%02H"
Packit 9c6abc
# time-stamp-time-zone: "UTC0"
Packit 9c6abc
# time-stamp-end: "; # UTC"
Packit 9c6abc
# End: