cannam@167: #! /bin/sh
cannam@167: # depcomp - compile a program generating dependencies as side-effects
cannam@167:
cannam@167: scriptversion=2013-05-30.07; # UTC
cannam@167:
cannam@167: # Copyright (C) 1999-2014 Free Software Foundation, Inc.
cannam@167:
cannam@167: # This program is free software; you can redistribute it and/or modify
cannam@167: # it under the terms of the GNU General Public License as published by
cannam@167: # the Free Software Foundation; either version 2, or (at your option)
cannam@167: # any later version.
cannam@167:
cannam@167: # This program is distributed in the hope that it will be useful,
cannam@167: # but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@167: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
cannam@167: # GNU General Public License for more details.
cannam@167:
cannam@167: # You should have received a copy of the GNU General Public License
cannam@167: # along with this program. If not, see .
cannam@167:
cannam@167: # As a special exception to the GNU General Public License, if you
cannam@167: # distribute this file as part of a program that contains a
cannam@167: # configuration script generated by Autoconf, you may include it under
cannam@167: # the same distribution terms that you use for the rest of that program.
cannam@167:
cannam@167: # Originally written by Alexandre Oliva .
cannam@167:
cannam@167: case $1 in
cannam@167: '')
cannam@167: echo "$0: No command. Try '$0 --help' for more information." 1>&2
cannam@167: exit 1;
cannam@167: ;;
cannam@167: -h | --h*)
cannam@167: cat <<\EOF
cannam@167: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
cannam@167:
cannam@167: Run PROGRAMS ARGS to compile a file, generating dependencies
cannam@167: as side-effects.
cannam@167:
cannam@167: Environment variables:
cannam@167: depmode Dependency tracking mode.
cannam@167: source Source file read by 'PROGRAMS ARGS'.
cannam@167: object Object file output by 'PROGRAMS ARGS'.
cannam@167: DEPDIR directory where to store dependencies.
cannam@167: depfile Dependency file to output.
cannam@167: tmpdepfile Temporary file to use when outputting dependencies.
cannam@167: libtool Whether libtool is used (yes/no).
cannam@167:
cannam@167: Report bugs to .
cannam@167: EOF
cannam@167: exit $?
cannam@167: ;;
cannam@167: -v | --v*)
cannam@167: echo "depcomp $scriptversion"
cannam@167: exit $?
cannam@167: ;;
cannam@167: esac
cannam@167:
cannam@167: # Get the directory component of the given path, and save it in the
cannam@167: # global variables '$dir'. Note that this directory component will
cannam@167: # be either empty or ending with a '/' character. This is deliberate.
cannam@167: set_dir_from ()
cannam@167: {
cannam@167: case $1 in
cannam@167: */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
cannam@167: *) dir=;;
cannam@167: esac
cannam@167: }
cannam@167:
cannam@167: # Get the suffix-stripped basename of the given path, and save it the
cannam@167: # global variable '$base'.
cannam@167: set_base_from ()
cannam@167: {
cannam@167: base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
cannam@167: }
cannam@167:
cannam@167: # If no dependency file was actually created by the compiler invocation,
cannam@167: # we still have to create a dummy depfile, to avoid errors with the
cannam@167: # Makefile "include basename.Plo" scheme.
cannam@167: make_dummy_depfile ()
cannam@167: {
cannam@167: echo "#dummy" > "$depfile"
cannam@167: }
cannam@167:
cannam@167: # Factor out some common post-processing of the generated depfile.
cannam@167: # Requires the auxiliary global variable '$tmpdepfile' to be set.
cannam@167: aix_post_process_depfile ()
cannam@167: {
cannam@167: # If the compiler actually managed to produce a dependency file,
cannam@167: # post-process it.
cannam@167: if test -f "$tmpdepfile"; then
cannam@167: # Each line is of the form 'foo.o: dependency.h'.
cannam@167: # Do two passes, one to just change these to
cannam@167: # $object: dependency.h
cannam@167: # and one to simply output
cannam@167: # dependency.h:
cannam@167: # which is needed to avoid the deleted-header problem.
cannam@167: { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
cannam@167: sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
cannam@167: } > "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: else
cannam@167: make_dummy_depfile
cannam@167: fi
cannam@167: }
cannam@167:
cannam@167: # A tabulation character.
cannam@167: tab=' '
cannam@167: # A newline character.
cannam@167: nl='
cannam@167: '
cannam@167: # Character ranges might be problematic outside the C locale.
cannam@167: # These definitions help.
cannam@167: upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
cannam@167: lower=abcdefghijklmnopqrstuvwxyz
cannam@167: digits=0123456789
cannam@167: alpha=${upper}${lower}
cannam@167:
cannam@167: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
cannam@167: echo "depcomp: Variables source, object and depmode must be set" 1>&2
cannam@167: exit 1
cannam@167: fi
cannam@167:
cannam@167: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
cannam@167: depfile=${depfile-`echo "$object" |
cannam@167: sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
cannam@167: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
cannam@167:
cannam@167: rm -f "$tmpdepfile"
cannam@167:
cannam@167: # Avoid interferences from the environment.
cannam@167: gccflag= dashmflag=
cannam@167:
cannam@167: # Some modes work just like other modes, but use different flags. We
cannam@167: # parameterize here, but still list the modes in the big case below,
cannam@167: # to make depend.m4 easier to write. Note that we *cannot* use a case
cannam@167: # here, because this file can only contain one case statement.
cannam@167: if test "$depmode" = hp; then
cannam@167: # HP compiler uses -M and no extra arg.
cannam@167: gccflag=-M
cannam@167: depmode=gcc
cannam@167: fi
cannam@167:
cannam@167: if test "$depmode" = dashXmstdout; then
cannam@167: # This is just like dashmstdout with a different argument.
cannam@167: dashmflag=-xM
cannam@167: depmode=dashmstdout
cannam@167: fi
cannam@167:
cannam@167: cygpath_u="cygpath -u -f -"
cannam@167: if test "$depmode" = msvcmsys; then
cannam@167: # This is just like msvisualcpp but w/o cygpath translation.
cannam@167: # Just convert the backslash-escaped backslashes to single forward
cannam@167: # slashes to satisfy depend.m4
cannam@167: cygpath_u='sed s,\\\\,/,g'
cannam@167: depmode=msvisualcpp
cannam@167: fi
cannam@167:
cannam@167: if test "$depmode" = msvc7msys; then
cannam@167: # This is just like msvc7 but w/o cygpath translation.
cannam@167: # Just convert the backslash-escaped backslashes to single forward
cannam@167: # slashes to satisfy depend.m4
cannam@167: cygpath_u='sed s,\\\\,/,g'
cannam@167: depmode=msvc7
cannam@167: fi
cannam@167:
cannam@167: if test "$depmode" = xlc; then
cannam@167: # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
cannam@167: gccflag=-qmakedep=gcc,-MF
cannam@167: depmode=gcc
cannam@167: fi
cannam@167:
cannam@167: case "$depmode" in
cannam@167: gcc3)
cannam@167: ## gcc 3 implements dependency tracking that does exactly what
cannam@167: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
cannam@167: ## it if -MD -MP comes after the -MF stuff. Hmm.
cannam@167: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
cannam@167: ## the command line argument order; so add the flags where they
cannam@167: ## appear in depend2.am. Note that the slowdown incurred here
cannam@167: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
cannam@167: for arg
cannam@167: do
cannam@167: case $arg in
cannam@167: -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
cannam@167: *) set fnord "$@" "$arg" ;;
cannam@167: esac
cannam@167: shift # fnord
cannam@167: shift # $arg
cannam@167: done
cannam@167: "$@"
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: mv "$tmpdepfile" "$depfile"
cannam@167: ;;
cannam@167:
cannam@167: gcc)
cannam@167: ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
cannam@167: ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
cannam@167: ## (see the conditional assignment to $gccflag above).
cannam@167: ## There are various ways to get dependency output from gcc. Here's
cannam@167: ## why we pick this rather obscure method:
cannam@167: ## - Don't want to use -MD because we'd like the dependencies to end
cannam@167: ## up in a subdir. Having to rename by hand is ugly.
cannam@167: ## (We might end up doing this anyway to support other compilers.)
cannam@167: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
cannam@167: ## -MM, not -M (despite what the docs say). Also, it might not be
cannam@167: ## supported by the other compilers which use the 'gcc' depmode.
cannam@167: ## - Using -M directly means running the compiler twice (even worse
cannam@167: ## than renaming).
cannam@167: if test -z "$gccflag"; then
cannam@167: gccflag=-MD,
cannam@167: fi
cannam@167: "$@" -Wp,"$gccflag$tmpdepfile"
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: rm -f "$depfile"
cannam@167: echo "$object : \\" > "$depfile"
cannam@167: # The second -e expression handles DOS-style file names with drive
cannam@167: # letters.
cannam@167: sed -e 's/^[^:]*: / /' \
cannam@167: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
cannam@167: ## This next piece of magic avoids the "deleted header file" problem.
cannam@167: ## The problem is that when a header file which appears in a .P file
cannam@167: ## is deleted, the dependency causes make to die (because there is
cannam@167: ## typically no way to rebuild the header). We avoid this by adding
cannam@167: ## dummy dependencies for each header file. Too bad gcc doesn't do
cannam@167: ## this for us directly.
cannam@167: ## Some versions of gcc put a space before the ':'. On the theory
cannam@167: ## that the space means something, we add a space to the output as
cannam@167: ## well. hp depmode also adds that space, but also prefixes the VPATH
cannam@167: ## to the object. Take care to not repeat it in the output.
cannam@167: ## Some versions of the HPUX 10.20 sed can't process this invocation
cannam@167: ## correctly. Breaking it into two sed invocations is a workaround.
cannam@167: tr ' ' "$nl" < "$tmpdepfile" \
cannam@167: | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
cannam@167: | sed -e 's/$/ :/' >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: hp)
cannam@167: # This case exists only to let depend.m4 do its work. It works by
cannam@167: # looking at the text of this script. This case will never be run,
cannam@167: # since it is checked for above.
cannam@167: exit 1
cannam@167: ;;
cannam@167:
cannam@167: sgi)
cannam@167: if test "$libtool" = yes; then
cannam@167: "$@" "-Wp,-MDupdate,$tmpdepfile"
cannam@167: else
cannam@167: "$@" -MDupdate "$tmpdepfile"
cannam@167: fi
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: rm -f "$depfile"
cannam@167:
cannam@167: if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
cannam@167: echo "$object : \\" > "$depfile"
cannam@167: # Clip off the initial element (the dependent). Don't try to be
cannam@167: # clever and replace this with sed code, as IRIX sed won't handle
cannam@167: # lines with more than a fixed number of characters (4096 in
cannam@167: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
cannam@167: # the IRIX cc adds comments like '#:fec' to the end of the
cannam@167: # dependency line.
cannam@167: tr ' ' "$nl" < "$tmpdepfile" \
cannam@167: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
cannam@167: | tr "$nl" ' ' >> "$depfile"
cannam@167: echo >> "$depfile"
cannam@167: # The second pass generates a dummy entry for each header file.
cannam@167: tr ' ' "$nl" < "$tmpdepfile" \
cannam@167: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
cannam@167: >> "$depfile"
cannam@167: else
cannam@167: make_dummy_depfile
cannam@167: fi
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: xlc)
cannam@167: # This case exists only to let depend.m4 do its work. It works by
cannam@167: # looking at the text of this script. This case will never be run,
cannam@167: # since it is checked for above.
cannam@167: exit 1
cannam@167: ;;
cannam@167:
cannam@167: aix)
cannam@167: # The C for AIX Compiler uses -M and outputs the dependencies
cannam@167: # in a .u file. In older versions, this file always lives in the
cannam@167: # current directory. Also, the AIX compiler puts '$object:' at the
cannam@167: # start of each line; $object doesn't have directory information.
cannam@167: # Version 6 uses the directory in both cases.
cannam@167: set_dir_from "$object"
cannam@167: set_base_from "$object"
cannam@167: if test "$libtool" = yes; then
cannam@167: tmpdepfile1=$dir$base.u
cannam@167: tmpdepfile2=$base.u
cannam@167: tmpdepfile3=$dir.libs/$base.u
cannam@167: "$@" -Wc,-M
cannam@167: else
cannam@167: tmpdepfile1=$dir$base.u
cannam@167: tmpdepfile2=$dir$base.u
cannam@167: tmpdepfile3=$dir$base.u
cannam@167: "$@" -M
cannam@167: fi
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@167: exit $stat
cannam@167: fi
cannam@167:
cannam@167: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@167: do
cannam@167: test -f "$tmpdepfile" && break
cannam@167: done
cannam@167: aix_post_process_depfile
cannam@167: ;;
cannam@167:
cannam@167: tcc)
cannam@167: # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
cannam@167: # FIXME: That version still under development at the moment of writing.
cannam@167: # Make that this statement remains true also for stable, released
cannam@167: # versions.
cannam@167: # It will wrap lines (doesn't matter whether long or short) with a
cannam@167: # trailing '\', as in:
cannam@167: #
cannam@167: # foo.o : \
cannam@167: # foo.c \
cannam@167: # foo.h \
cannam@167: #
cannam@167: # It will put a trailing '\' even on the last line, and will use leading
cannam@167: # spaces rather than leading tabs (at least since its commit 0394caf7
cannam@167: # "Emit spaces for -MD").
cannam@167: "$@" -MD -MF "$tmpdepfile"
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: rm -f "$depfile"
cannam@167: # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
cannam@167: # We have to change lines of the first kind to '$object: \'.
cannam@167: sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
cannam@167: # And for each line of the second kind, we have to emit a 'dep.h:'
cannam@167: # dummy dependency, to avoid the deleted-header problem.
cannam@167: sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: ## The order of this option in the case statement is important, since the
cannam@167: ## shell code in configure will try each of these formats in the order
cannam@167: ## listed in this file. A plain '-MD' option would be understood by many
cannam@167: ## compilers, so we must ensure this comes after the gcc and icc options.
cannam@167: pgcc)
cannam@167: # Portland's C compiler understands '-MD'.
cannam@167: # Will always output deps to 'file.d' where file is the root name of the
cannam@167: # source file under compilation, even if file resides in a subdirectory.
cannam@167: # The object file name does not affect the name of the '.d' file.
cannam@167: # pgcc 10.2 will output
cannam@167: # foo.o: sub/foo.c sub/foo.h
cannam@167: # and will wrap long lines using '\' :
cannam@167: # foo.o: sub/foo.c ... \
cannam@167: # sub/foo.h ... \
cannam@167: # ...
cannam@167: set_dir_from "$object"
cannam@167: # Use the source, not the object, to determine the base name, since
cannam@167: # that's sadly what pgcc will do too.
cannam@167: set_base_from "$source"
cannam@167: tmpdepfile=$base.d
cannam@167:
cannam@167: # For projects that build the same source file twice into different object
cannam@167: # files, the pgcc approach of using the *source* file root name can cause
cannam@167: # problems in parallel builds. Use a locking strategy to avoid stomping on
cannam@167: # the same $tmpdepfile.
cannam@167: lockdir=$base.d-lock
cannam@167: trap "
cannam@167: echo '$0: caught signal, cleaning up...' >&2
cannam@167: rmdir '$lockdir'
cannam@167: exit 1
cannam@167: " 1 2 13 15
cannam@167: numtries=100
cannam@167: i=$numtries
cannam@167: while test $i -gt 0; do
cannam@167: # mkdir is a portable test-and-set.
cannam@167: if mkdir "$lockdir" 2>/dev/null; then
cannam@167: # This process acquired the lock.
cannam@167: "$@" -MD
cannam@167: stat=$?
cannam@167: # Release the lock.
cannam@167: rmdir "$lockdir"
cannam@167: break
cannam@167: else
cannam@167: # If the lock is being held by a different process, wait
cannam@167: # until the winning process is done or we timeout.
cannam@167: while test -d "$lockdir" && test $i -gt 0; do
cannam@167: sleep 1
cannam@167: i=`expr $i - 1`
cannam@167: done
cannam@167: fi
cannam@167: i=`expr $i - 1`
cannam@167: done
cannam@167: trap - 1 2 13 15
cannam@167: if test $i -le 0; then
cannam@167: echo "$0: failed to acquire lock after $numtries attempts" >&2
cannam@167: echo "$0: check lockdir '$lockdir'" >&2
cannam@167: exit 1
cannam@167: fi
cannam@167:
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: rm -f "$depfile"
cannam@167: # Each line is of the form `foo.o: dependent.h',
cannam@167: # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
cannam@167: # Do two passes, one to just change these to
cannam@167: # `$object: dependent.h' and one to simply `dependent.h:'.
cannam@167: sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
cannam@167: # Some versions of the HPUX 10.20 sed can't process this invocation
cannam@167: # correctly. Breaking it into two sed invocations is a workaround.
cannam@167: sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
cannam@167: | sed -e 's/$/ :/' >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: hp2)
cannam@167: # The "hp" stanza above does not work with aCC (C++) and HP's ia64
cannam@167: # compilers, which have integrated preprocessors. The correct option
cannam@167: # to use with these is +Maked; it writes dependencies to a file named
cannam@167: # 'foo.d', which lands next to the object file, wherever that
cannam@167: # happens to be.
cannam@167: # Much of this is similar to the tru64 case; see comments there.
cannam@167: set_dir_from "$object"
cannam@167: set_base_from "$object"
cannam@167: if test "$libtool" = yes; then
cannam@167: tmpdepfile1=$dir$base.d
cannam@167: tmpdepfile2=$dir.libs/$base.d
cannam@167: "$@" -Wc,+Maked
cannam@167: else
cannam@167: tmpdepfile1=$dir$base.d
cannam@167: tmpdepfile2=$dir$base.d
cannam@167: "$@" +Maked
cannam@167: fi
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile1" "$tmpdepfile2"
cannam@167: exit $stat
cannam@167: fi
cannam@167:
cannam@167: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
cannam@167: do
cannam@167: test -f "$tmpdepfile" && break
cannam@167: done
cannam@167: if test -f "$tmpdepfile"; then
cannam@167: sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
cannam@167: # Add 'dependent.h:' lines.
cannam@167: sed -ne '2,${
cannam@167: s/^ *//
cannam@167: s/ \\*$//
cannam@167: s/$/:/
cannam@167: p
cannam@167: }' "$tmpdepfile" >> "$depfile"
cannam@167: else
cannam@167: make_dummy_depfile
cannam@167: fi
cannam@167: rm -f "$tmpdepfile" "$tmpdepfile2"
cannam@167: ;;
cannam@167:
cannam@167: tru64)
cannam@167: # The Tru64 compiler uses -MD to generate dependencies as a side
cannam@167: # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
cannam@167: # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
cannam@167: # dependencies in 'foo.d' instead, so we check for that too.
cannam@167: # Subdirectories are respected.
cannam@167: set_dir_from "$object"
cannam@167: set_base_from "$object"
cannam@167:
cannam@167: if test "$libtool" = yes; then
cannam@167: # Libtool generates 2 separate objects for the 2 libraries. These
cannam@167: # two compilations output dependencies in $dir.libs/$base.o.d and
cannam@167: # in $dir$base.o.d. We have to check for both files, because
cannam@167: # one of the two compilations can be disabled. We should prefer
cannam@167: # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
cannam@167: # automatically cleaned when .libs/ is deleted, while ignoring
cannam@167: # the former would cause a distcleancheck panic.
cannam@167: tmpdepfile1=$dir$base.o.d # libtool 1.5
cannam@167: tmpdepfile2=$dir.libs/$base.o.d # Likewise.
cannam@167: tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
cannam@167: "$@" -Wc,-MD
cannam@167: else
cannam@167: tmpdepfile1=$dir$base.d
cannam@167: tmpdepfile2=$dir$base.d
cannam@167: tmpdepfile3=$dir$base.d
cannam@167: "$@" -MD
cannam@167: fi
cannam@167:
cannam@167: stat=$?
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@167: exit $stat
cannam@167: fi
cannam@167:
cannam@167: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@167: do
cannam@167: test -f "$tmpdepfile" && break
cannam@167: done
cannam@167: # Same post-processing that is required for AIX mode.
cannam@167: aix_post_process_depfile
cannam@167: ;;
cannam@167:
cannam@167: msvc7)
cannam@167: if test "$libtool" = yes; then
cannam@167: showIncludes=-Wc,-showIncludes
cannam@167: else
cannam@167: showIncludes=-showIncludes
cannam@167: fi
cannam@167: "$@" $showIncludes > "$tmpdepfile"
cannam@167: stat=$?
cannam@167: grep -v '^Note: including file: ' "$tmpdepfile"
cannam@167: if test $stat -ne 0; then
cannam@167: rm -f "$tmpdepfile"
cannam@167: exit $stat
cannam@167: fi
cannam@167: rm -f "$depfile"
cannam@167: echo "$object : \\" > "$depfile"
cannam@167: # The first sed program below extracts the file names and escapes
cannam@167: # backslashes for cygpath. The second sed program outputs the file
cannam@167: # name when reading, but also accumulates all include files in the
cannam@167: # hold buffer in order to output them again at the end. This only
cannam@167: # works with sed implementations that can handle large buffers.
cannam@167: sed < "$tmpdepfile" -n '
cannam@167: /^Note: including file: *\(.*\)/ {
cannam@167: s//\1/
cannam@167: s/\\/\\\\/g
cannam@167: p
cannam@167: }' | $cygpath_u | sort -u | sed -n '
cannam@167: s/ /\\ /g
cannam@167: s/\(.*\)/'"$tab"'\1 \\/p
cannam@167: s/.\(.*\) \\/\1:/
cannam@167: H
cannam@167: $ {
cannam@167: s/.*/'"$tab"'/
cannam@167: G
cannam@167: p
cannam@167: }' >> "$depfile"
cannam@167: echo >> "$depfile" # make sure the fragment doesn't end with a backslash
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: msvc7msys)
cannam@167: # This case exists only to let depend.m4 do its work. It works by
cannam@167: # looking at the text of this script. This case will never be run,
cannam@167: # since it is checked for above.
cannam@167: exit 1
cannam@167: ;;
cannam@167:
cannam@167: #nosideeffect)
cannam@167: # This comment above is used by automake to tell side-effect
cannam@167: # dependency tracking mechanisms from slower ones.
cannam@167:
cannam@167: dashmstdout)
cannam@167: # Important note: in order to support this mode, a compiler *must*
cannam@167: # always write the preprocessed file to stdout, regardless of -o.
cannam@167: "$@" || exit $?
cannam@167:
cannam@167: # Remove the call to Libtool.
cannam@167: if test "$libtool" = yes; then
cannam@167: while test "X$1" != 'X--mode=compile'; do
cannam@167: shift
cannam@167: done
cannam@167: shift
cannam@167: fi
cannam@167:
cannam@167: # Remove '-o $object'.
cannam@167: IFS=" "
cannam@167: for arg
cannam@167: do
cannam@167: case $arg in
cannam@167: -o)
cannam@167: shift
cannam@167: ;;
cannam@167: $object)
cannam@167: shift
cannam@167: ;;
cannam@167: *)
cannam@167: set fnord "$@" "$arg"
cannam@167: shift # fnord
cannam@167: shift # $arg
cannam@167: ;;
cannam@167: esac
cannam@167: done
cannam@167:
cannam@167: test -z "$dashmflag" && dashmflag=-M
cannam@167: # Require at least two characters before searching for ':'
cannam@167: # in the target name. This is to cope with DOS-style filenames:
cannam@167: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
cannam@167: "$@" $dashmflag |
cannam@167: sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
cannam@167: rm -f "$depfile"
cannam@167: cat < "$tmpdepfile" > "$depfile"
cannam@167: # Some versions of the HPUX 10.20 sed can't process this sed invocation
cannam@167: # correctly. Breaking it into two sed invocations is a workaround.
cannam@167: tr ' ' "$nl" < "$tmpdepfile" \
cannam@167: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
cannam@167: | sed -e 's/$/ :/' >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: dashXmstdout)
cannam@167: # This case only exists to satisfy depend.m4. It is never actually
cannam@167: # run, as this mode is specially recognized in the preamble.
cannam@167: exit 1
cannam@167: ;;
cannam@167:
cannam@167: makedepend)
cannam@167: "$@" || exit $?
cannam@167: # Remove any Libtool call
cannam@167: if test "$libtool" = yes; then
cannam@167: while test "X$1" != 'X--mode=compile'; do
cannam@167: shift
cannam@167: done
cannam@167: shift
cannam@167: fi
cannam@167: # X makedepend
cannam@167: shift
cannam@167: cleared=no eat=no
cannam@167: for arg
cannam@167: do
cannam@167: case $cleared in
cannam@167: no)
cannam@167: set ""; shift
cannam@167: cleared=yes ;;
cannam@167: esac
cannam@167: if test $eat = yes; then
cannam@167: eat=no
cannam@167: continue
cannam@167: fi
cannam@167: case "$arg" in
cannam@167: -D*|-I*)
cannam@167: set fnord "$@" "$arg"; shift ;;
cannam@167: # Strip any option that makedepend may not understand. Remove
cannam@167: # the object too, otherwise makedepend will parse it as a source file.
cannam@167: -arch)
cannam@167: eat=yes ;;
cannam@167: -*|$object)
cannam@167: ;;
cannam@167: *)
cannam@167: set fnord "$@" "$arg"; shift ;;
cannam@167: esac
cannam@167: done
cannam@167: obj_suffix=`echo "$object" | sed 's/^.*\././'`
cannam@167: touch "$tmpdepfile"
cannam@167: ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
cannam@167: rm -f "$depfile"
cannam@167: # makedepend may prepend the VPATH from the source file name to the object.
cannam@167: # No need to regex-escape $object, excess matching of '.' is harmless.
cannam@167: sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
cannam@167: # Some versions of the HPUX 10.20 sed can't process the last invocation
cannam@167: # correctly. Breaking it into two sed invocations is a workaround.
cannam@167: sed '1,2d' "$tmpdepfile" \
cannam@167: | tr ' ' "$nl" \
cannam@167: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
cannam@167: | sed -e 's/$/ :/' >> "$depfile"
cannam@167: rm -f "$tmpdepfile" "$tmpdepfile".bak
cannam@167: ;;
cannam@167:
cannam@167: cpp)
cannam@167: # Important note: in order to support this mode, a compiler *must*
cannam@167: # always write the preprocessed file to stdout.
cannam@167: "$@" || exit $?
cannam@167:
cannam@167: # Remove the call to Libtool.
cannam@167: if test "$libtool" = yes; then
cannam@167: while test "X$1" != 'X--mode=compile'; do
cannam@167: shift
cannam@167: done
cannam@167: shift
cannam@167: fi
cannam@167:
cannam@167: # Remove '-o $object'.
cannam@167: IFS=" "
cannam@167: for arg
cannam@167: do
cannam@167: case $arg in
cannam@167: -o)
cannam@167: shift
cannam@167: ;;
cannam@167: $object)
cannam@167: shift
cannam@167: ;;
cannam@167: *)
cannam@167: set fnord "$@" "$arg"
cannam@167: shift # fnord
cannam@167: shift # $arg
cannam@167: ;;
cannam@167: esac
cannam@167: done
cannam@167:
cannam@167: "$@" -E \
cannam@167: | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
cannam@167: -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
cannam@167: | sed '$ s: \\$::' > "$tmpdepfile"
cannam@167: rm -f "$depfile"
cannam@167: echo "$object : \\" > "$depfile"
cannam@167: cat < "$tmpdepfile" >> "$depfile"
cannam@167: sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: msvisualcpp)
cannam@167: # Important note: in order to support this mode, a compiler *must*
cannam@167: # always write the preprocessed file to stdout.
cannam@167: "$@" || exit $?
cannam@167:
cannam@167: # Remove the call to Libtool.
cannam@167: if test "$libtool" = yes; then
cannam@167: while test "X$1" != 'X--mode=compile'; do
cannam@167: shift
cannam@167: done
cannam@167: shift
cannam@167: fi
cannam@167:
cannam@167: IFS=" "
cannam@167: for arg
cannam@167: do
cannam@167: case "$arg" in
cannam@167: -o)
cannam@167: shift
cannam@167: ;;
cannam@167: $object)
cannam@167: shift
cannam@167: ;;
cannam@167: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
cannam@167: set fnord "$@"
cannam@167: shift
cannam@167: shift
cannam@167: ;;
cannam@167: *)
cannam@167: set fnord "$@" "$arg"
cannam@167: shift
cannam@167: shift
cannam@167: ;;
cannam@167: esac
cannam@167: done
cannam@167: "$@" -E 2>/dev/null |
cannam@167: sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
cannam@167: rm -f "$depfile"
cannam@167: echo "$object : \\" > "$depfile"
cannam@167: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
cannam@167: echo "$tab" >> "$depfile"
cannam@167: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
cannam@167: rm -f "$tmpdepfile"
cannam@167: ;;
cannam@167:
cannam@167: msvcmsys)
cannam@167: # This case exists only to let depend.m4 do its work. It works by
cannam@167: # looking at the text of this script. This case will never be run,
cannam@167: # since it is checked for above.
cannam@167: exit 1
cannam@167: ;;
cannam@167:
cannam@167: none)
cannam@167: exec "$@"
cannam@167: ;;
cannam@167:
cannam@167: *)
cannam@167: echo "Unknown depmode $depmode" 1>&2
cannam@167: exit 1
cannam@167: ;;
cannam@167: esac
cannam@167:
cannam@167: exit 0
cannam@167:
cannam@167: # Local Variables:
cannam@167: # mode: shell-script
cannam@167: # sh-indentation: 2
cannam@167: # eval: (add-hook 'write-file-hooks 'time-stamp)
cannam@167: # time-stamp-start: "scriptversion="
cannam@167: # time-stamp-format: "%:y-%02m-%02d.%02H"
cannam@167: # time-stamp-time-zone: "UTC"
cannam@167: # time-stamp-end: "; # UTC"
cannam@167: # End: