cannam@162: #! /bin/sh
cannam@162: # depcomp - compile a program generating dependencies as side-effects
cannam@162:
cannam@162: scriptversion=2013-05-30.07; # UTC
cannam@162:
cannam@162: # Copyright (C) 1999-2013 Free Software Foundation, Inc.
cannam@162:
cannam@162: # This program is free software; you can redistribute it and/or modify
cannam@162: # it under the terms of the GNU General Public License as published by
cannam@162: # the Free Software Foundation; either version 2, or (at your option)
cannam@162: # any later version.
cannam@162:
cannam@162: # This program is distributed in the hope that it will be useful,
cannam@162: # but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@162: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
cannam@162: # GNU General Public License for more details.
cannam@162:
cannam@162: # You should have received a copy of the GNU General Public License
cannam@162: # along with this program. If not, see .
cannam@162:
cannam@162: # As a special exception to the GNU General Public License, if you
cannam@162: # distribute this file as part of a program that contains a
cannam@162: # configuration script generated by Autoconf, you may include it under
cannam@162: # the same distribution terms that you use for the rest of that program.
cannam@162:
cannam@162: # Originally written by Alexandre Oliva .
cannam@162:
cannam@162: case $1 in
cannam@162: '')
cannam@162: echo "$0: No command. Try '$0 --help' for more information." 1>&2
cannam@162: exit 1;
cannam@162: ;;
cannam@162: -h | --h*)
cannam@162: cat <<\EOF
cannam@162: Usage: depcomp [--help] [--version] PROGRAM [ARGS]
cannam@162:
cannam@162: Run PROGRAMS ARGS to compile a file, generating dependencies
cannam@162: as side-effects.
cannam@162:
cannam@162: Environment variables:
cannam@162: depmode Dependency tracking mode.
cannam@162: source Source file read by 'PROGRAMS ARGS'.
cannam@162: object Object file output by 'PROGRAMS ARGS'.
cannam@162: DEPDIR directory where to store dependencies.
cannam@162: depfile Dependency file to output.
cannam@162: tmpdepfile Temporary file to use when outputting dependencies.
cannam@162: libtool Whether libtool is used (yes/no).
cannam@162:
cannam@162: Report bugs to .
cannam@162: EOF
cannam@162: exit $?
cannam@162: ;;
cannam@162: -v | --v*)
cannam@162: echo "depcomp $scriptversion"
cannam@162: exit $?
cannam@162: ;;
cannam@162: esac
cannam@162:
cannam@162: # Get the directory component of the given path, and save it in the
cannam@162: # global variables '$dir'. Note that this directory component will
cannam@162: # be either empty or ending with a '/' character. This is deliberate.
cannam@162: set_dir_from ()
cannam@162: {
cannam@162: case $1 in
cannam@162: */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
cannam@162: *) dir=;;
cannam@162: esac
cannam@162: }
cannam@162:
cannam@162: # Get the suffix-stripped basename of the given path, and save it the
cannam@162: # global variable '$base'.
cannam@162: set_base_from ()
cannam@162: {
cannam@162: base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
cannam@162: }
cannam@162:
cannam@162: # If no dependency file was actually created by the compiler invocation,
cannam@162: # we still have to create a dummy depfile, to avoid errors with the
cannam@162: # Makefile "include basename.Plo" scheme.
cannam@162: make_dummy_depfile ()
cannam@162: {
cannam@162: echo "#dummy" > "$depfile"
cannam@162: }
cannam@162:
cannam@162: # Factor out some common post-processing of the generated depfile.
cannam@162: # Requires the auxiliary global variable '$tmpdepfile' to be set.
cannam@162: aix_post_process_depfile ()
cannam@162: {
cannam@162: # If the compiler actually managed to produce a dependency file,
cannam@162: # post-process it.
cannam@162: if test -f "$tmpdepfile"; then
cannam@162: # Each line is of the form 'foo.o: dependency.h'.
cannam@162: # Do two passes, one to just change these to
cannam@162: # $object: dependency.h
cannam@162: # and one to simply output
cannam@162: # dependency.h:
cannam@162: # which is needed to avoid the deleted-header problem.
cannam@162: { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
cannam@162: sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
cannam@162: } > "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: else
cannam@162: make_dummy_depfile
cannam@162: fi
cannam@162: }
cannam@162:
cannam@162: # A tabulation character.
cannam@162: tab=' '
cannam@162: # A newline character.
cannam@162: nl='
cannam@162: '
cannam@162: # Character ranges might be problematic outside the C locale.
cannam@162: # These definitions help.
cannam@162: upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
cannam@162: lower=abcdefghijklmnopqrstuvwxyz
cannam@162: digits=0123456789
cannam@162: alpha=${upper}${lower}
cannam@162:
cannam@162: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
cannam@162: echo "depcomp: Variables source, object and depmode must be set" 1>&2
cannam@162: exit 1
cannam@162: fi
cannam@162:
cannam@162: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
cannam@162: depfile=${depfile-`echo "$object" |
cannam@162: sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
cannam@162: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
cannam@162:
cannam@162: rm -f "$tmpdepfile"
cannam@162:
cannam@162: # Avoid interferences from the environment.
cannam@162: gccflag= dashmflag=
cannam@162:
cannam@162: # Some modes work just like other modes, but use different flags. We
cannam@162: # parameterize here, but still list the modes in the big case below,
cannam@162: # to make depend.m4 easier to write. Note that we *cannot* use a case
cannam@162: # here, because this file can only contain one case statement.
cannam@162: if test "$depmode" = hp; then
cannam@162: # HP compiler uses -M and no extra arg.
cannam@162: gccflag=-M
cannam@162: depmode=gcc
cannam@162: fi
cannam@162:
cannam@162: if test "$depmode" = dashXmstdout; then
cannam@162: # This is just like dashmstdout with a different argument.
cannam@162: dashmflag=-xM
cannam@162: depmode=dashmstdout
cannam@162: fi
cannam@162:
cannam@162: cygpath_u="cygpath -u -f -"
cannam@162: if test "$depmode" = msvcmsys; then
cannam@162: # This is just like msvisualcpp but w/o cygpath translation.
cannam@162: # Just convert the backslash-escaped backslashes to single forward
cannam@162: # slashes to satisfy depend.m4
cannam@162: cygpath_u='sed s,\\\\,/,g'
cannam@162: depmode=msvisualcpp
cannam@162: fi
cannam@162:
cannam@162: if test "$depmode" = msvc7msys; then
cannam@162: # This is just like msvc7 but w/o cygpath translation.
cannam@162: # Just convert the backslash-escaped backslashes to single forward
cannam@162: # slashes to satisfy depend.m4
cannam@162: cygpath_u='sed s,\\\\,/,g'
cannam@162: depmode=msvc7
cannam@162: fi
cannam@162:
cannam@162: if test "$depmode" = xlc; then
cannam@162: # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
cannam@162: gccflag=-qmakedep=gcc,-MF
cannam@162: depmode=gcc
cannam@162: fi
cannam@162:
cannam@162: case "$depmode" in
cannam@162: gcc3)
cannam@162: ## gcc 3 implements dependency tracking that does exactly what
cannam@162: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
cannam@162: ## it if -MD -MP comes after the -MF stuff. Hmm.
cannam@162: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
cannam@162: ## the command line argument order; so add the flags where they
cannam@162: ## appear in depend2.am. Note that the slowdown incurred here
cannam@162: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
cannam@162: for arg
cannam@162: do
cannam@162: case $arg in
cannam@162: -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
cannam@162: *) set fnord "$@" "$arg" ;;
cannam@162: esac
cannam@162: shift # fnord
cannam@162: shift # $arg
cannam@162: done
cannam@162: "$@"
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: mv "$tmpdepfile" "$depfile"
cannam@162: ;;
cannam@162:
cannam@162: gcc)
cannam@162: ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
cannam@162: ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
cannam@162: ## (see the conditional assignment to $gccflag above).
cannam@162: ## There are various ways to get dependency output from gcc. Here's
cannam@162: ## why we pick this rather obscure method:
cannam@162: ## - Don't want to use -MD because we'd like the dependencies to end
cannam@162: ## up in a subdir. Having to rename by hand is ugly.
cannam@162: ## (We might end up doing this anyway to support other compilers.)
cannam@162: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
cannam@162: ## -MM, not -M (despite what the docs say). Also, it might not be
cannam@162: ## supported by the other compilers which use the 'gcc' depmode.
cannam@162: ## - Using -M directly means running the compiler twice (even worse
cannam@162: ## than renaming).
cannam@162: if test -z "$gccflag"; then
cannam@162: gccflag=-MD,
cannam@162: fi
cannam@162: "$@" -Wp,"$gccflag$tmpdepfile"
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: rm -f "$depfile"
cannam@162: echo "$object : \\" > "$depfile"
cannam@162: # The second -e expression handles DOS-style file names with drive
cannam@162: # letters.
cannam@162: sed -e 's/^[^:]*: / /' \
cannam@162: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
cannam@162: ## This next piece of magic avoids the "deleted header file" problem.
cannam@162: ## The problem is that when a header file which appears in a .P file
cannam@162: ## is deleted, the dependency causes make to die (because there is
cannam@162: ## typically no way to rebuild the header). We avoid this by adding
cannam@162: ## dummy dependencies for each header file. Too bad gcc doesn't do
cannam@162: ## this for us directly.
cannam@162: ## Some versions of gcc put a space before the ':'. On the theory
cannam@162: ## that the space means something, we add a space to the output as
cannam@162: ## well. hp depmode also adds that space, but also prefixes the VPATH
cannam@162: ## to the object. Take care to not repeat it in the output.
cannam@162: ## Some versions of the HPUX 10.20 sed can't process this invocation
cannam@162: ## correctly. Breaking it into two sed invocations is a workaround.
cannam@162: tr ' ' "$nl" < "$tmpdepfile" \
cannam@162: | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
cannam@162: | sed -e 's/$/ :/' >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: hp)
cannam@162: # This case exists only to let depend.m4 do its work. It works by
cannam@162: # looking at the text of this script. This case will never be run,
cannam@162: # since it is checked for above.
cannam@162: exit 1
cannam@162: ;;
cannam@162:
cannam@162: sgi)
cannam@162: if test "$libtool" = yes; then
cannam@162: "$@" "-Wp,-MDupdate,$tmpdepfile"
cannam@162: else
cannam@162: "$@" -MDupdate "$tmpdepfile"
cannam@162: fi
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: rm -f "$depfile"
cannam@162:
cannam@162: if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
cannam@162: echo "$object : \\" > "$depfile"
cannam@162: # Clip off the initial element (the dependent). Don't try to be
cannam@162: # clever and replace this with sed code, as IRIX sed won't handle
cannam@162: # lines with more than a fixed number of characters (4096 in
cannam@162: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
cannam@162: # the IRIX cc adds comments like '#:fec' to the end of the
cannam@162: # dependency line.
cannam@162: tr ' ' "$nl" < "$tmpdepfile" \
cannam@162: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
cannam@162: | tr "$nl" ' ' >> "$depfile"
cannam@162: echo >> "$depfile"
cannam@162: # The second pass generates a dummy entry for each header file.
cannam@162: tr ' ' "$nl" < "$tmpdepfile" \
cannam@162: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
cannam@162: >> "$depfile"
cannam@162: else
cannam@162: make_dummy_depfile
cannam@162: fi
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: xlc)
cannam@162: # This case exists only to let depend.m4 do its work. It works by
cannam@162: # looking at the text of this script. This case will never be run,
cannam@162: # since it is checked for above.
cannam@162: exit 1
cannam@162: ;;
cannam@162:
cannam@162: aix)
cannam@162: # The C for AIX Compiler uses -M and outputs the dependencies
cannam@162: # in a .u file. In older versions, this file always lives in the
cannam@162: # current directory. Also, the AIX compiler puts '$object:' at the
cannam@162: # start of each line; $object doesn't have directory information.
cannam@162: # Version 6 uses the directory in both cases.
cannam@162: set_dir_from "$object"
cannam@162: set_base_from "$object"
cannam@162: if test "$libtool" = yes; then
cannam@162: tmpdepfile1=$dir$base.u
cannam@162: tmpdepfile2=$base.u
cannam@162: tmpdepfile3=$dir.libs/$base.u
cannam@162: "$@" -Wc,-M
cannam@162: else
cannam@162: tmpdepfile1=$dir$base.u
cannam@162: tmpdepfile2=$dir$base.u
cannam@162: tmpdepfile3=$dir$base.u
cannam@162: "$@" -M
cannam@162: fi
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@162: exit $stat
cannam@162: fi
cannam@162:
cannam@162: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@162: do
cannam@162: test -f "$tmpdepfile" && break
cannam@162: done
cannam@162: aix_post_process_depfile
cannam@162: ;;
cannam@162:
cannam@162: tcc)
cannam@162: # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
cannam@162: # FIXME: That version still under development at the moment of writing.
cannam@162: # Make that this statement remains true also for stable, released
cannam@162: # versions.
cannam@162: # It will wrap lines (doesn't matter whether long or short) with a
cannam@162: # trailing '\', as in:
cannam@162: #
cannam@162: # foo.o : \
cannam@162: # foo.c \
cannam@162: # foo.h \
cannam@162: #
cannam@162: # It will put a trailing '\' even on the last line, and will use leading
cannam@162: # spaces rather than leading tabs (at least since its commit 0394caf7
cannam@162: # "Emit spaces for -MD").
cannam@162: "$@" -MD -MF "$tmpdepfile"
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: rm -f "$depfile"
cannam@162: # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
cannam@162: # We have to change lines of the first kind to '$object: \'.
cannam@162: sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
cannam@162: # And for each line of the second kind, we have to emit a 'dep.h:'
cannam@162: # dummy dependency, to avoid the deleted-header problem.
cannam@162: sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: ## The order of this option in the case statement is important, since the
cannam@162: ## shell code in configure will try each of these formats in the order
cannam@162: ## listed in this file. A plain '-MD' option would be understood by many
cannam@162: ## compilers, so we must ensure this comes after the gcc and icc options.
cannam@162: pgcc)
cannam@162: # Portland's C compiler understands '-MD'.
cannam@162: # Will always output deps to 'file.d' where file is the root name of the
cannam@162: # source file under compilation, even if file resides in a subdirectory.
cannam@162: # The object file name does not affect the name of the '.d' file.
cannam@162: # pgcc 10.2 will output
cannam@162: # foo.o: sub/foo.c sub/foo.h
cannam@162: # and will wrap long lines using '\' :
cannam@162: # foo.o: sub/foo.c ... \
cannam@162: # sub/foo.h ... \
cannam@162: # ...
cannam@162: set_dir_from "$object"
cannam@162: # Use the source, not the object, to determine the base name, since
cannam@162: # that's sadly what pgcc will do too.
cannam@162: set_base_from "$source"
cannam@162: tmpdepfile=$base.d
cannam@162:
cannam@162: # For projects that build the same source file twice into different object
cannam@162: # files, the pgcc approach of using the *source* file root name can cause
cannam@162: # problems in parallel builds. Use a locking strategy to avoid stomping on
cannam@162: # the same $tmpdepfile.
cannam@162: lockdir=$base.d-lock
cannam@162: trap "
cannam@162: echo '$0: caught signal, cleaning up...' >&2
cannam@162: rmdir '$lockdir'
cannam@162: exit 1
cannam@162: " 1 2 13 15
cannam@162: numtries=100
cannam@162: i=$numtries
cannam@162: while test $i -gt 0; do
cannam@162: # mkdir is a portable test-and-set.
cannam@162: if mkdir "$lockdir" 2>/dev/null; then
cannam@162: # This process acquired the lock.
cannam@162: "$@" -MD
cannam@162: stat=$?
cannam@162: # Release the lock.
cannam@162: rmdir "$lockdir"
cannam@162: break
cannam@162: else
cannam@162: # If the lock is being held by a different process, wait
cannam@162: # until the winning process is done or we timeout.
cannam@162: while test -d "$lockdir" && test $i -gt 0; do
cannam@162: sleep 1
cannam@162: i=`expr $i - 1`
cannam@162: done
cannam@162: fi
cannam@162: i=`expr $i - 1`
cannam@162: done
cannam@162: trap - 1 2 13 15
cannam@162: if test $i -le 0; then
cannam@162: echo "$0: failed to acquire lock after $numtries attempts" >&2
cannam@162: echo "$0: check lockdir '$lockdir'" >&2
cannam@162: exit 1
cannam@162: fi
cannam@162:
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: rm -f "$depfile"
cannam@162: # Each line is of the form `foo.o: dependent.h',
cannam@162: # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
cannam@162: # Do two passes, one to just change these to
cannam@162: # `$object: dependent.h' and one to simply `dependent.h:'.
cannam@162: sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
cannam@162: # Some versions of the HPUX 10.20 sed can't process this invocation
cannam@162: # correctly. Breaking it into two sed invocations is a workaround.
cannam@162: sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
cannam@162: | sed -e 's/$/ :/' >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: hp2)
cannam@162: # The "hp" stanza above does not work with aCC (C++) and HP's ia64
cannam@162: # compilers, which have integrated preprocessors. The correct option
cannam@162: # to use with these is +Maked; it writes dependencies to a file named
cannam@162: # 'foo.d', which lands next to the object file, wherever that
cannam@162: # happens to be.
cannam@162: # Much of this is similar to the tru64 case; see comments there.
cannam@162: set_dir_from "$object"
cannam@162: set_base_from "$object"
cannam@162: if test "$libtool" = yes; then
cannam@162: tmpdepfile1=$dir$base.d
cannam@162: tmpdepfile2=$dir.libs/$base.d
cannam@162: "$@" -Wc,+Maked
cannam@162: else
cannam@162: tmpdepfile1=$dir$base.d
cannam@162: tmpdepfile2=$dir$base.d
cannam@162: "$@" +Maked
cannam@162: fi
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile1" "$tmpdepfile2"
cannam@162: exit $stat
cannam@162: fi
cannam@162:
cannam@162: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
cannam@162: do
cannam@162: test -f "$tmpdepfile" && break
cannam@162: done
cannam@162: if test -f "$tmpdepfile"; then
cannam@162: sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
cannam@162: # Add 'dependent.h:' lines.
cannam@162: sed -ne '2,${
cannam@162: s/^ *//
cannam@162: s/ \\*$//
cannam@162: s/$/:/
cannam@162: p
cannam@162: }' "$tmpdepfile" >> "$depfile"
cannam@162: else
cannam@162: make_dummy_depfile
cannam@162: fi
cannam@162: rm -f "$tmpdepfile" "$tmpdepfile2"
cannam@162: ;;
cannam@162:
cannam@162: tru64)
cannam@162: # The Tru64 compiler uses -MD to generate dependencies as a side
cannam@162: # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
cannam@162: # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
cannam@162: # dependencies in 'foo.d' instead, so we check for that too.
cannam@162: # Subdirectories are respected.
cannam@162: set_dir_from "$object"
cannam@162: set_base_from "$object"
cannam@162:
cannam@162: if test "$libtool" = yes; then
cannam@162: # Libtool generates 2 separate objects for the 2 libraries. These
cannam@162: # two compilations output dependencies in $dir.libs/$base.o.d and
cannam@162: # in $dir$base.o.d. We have to check for both files, because
cannam@162: # one of the two compilations can be disabled. We should prefer
cannam@162: # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
cannam@162: # automatically cleaned when .libs/ is deleted, while ignoring
cannam@162: # the former would cause a distcleancheck panic.
cannam@162: tmpdepfile1=$dir$base.o.d # libtool 1.5
cannam@162: tmpdepfile2=$dir.libs/$base.o.d # Likewise.
cannam@162: tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
cannam@162: "$@" -Wc,-MD
cannam@162: else
cannam@162: tmpdepfile1=$dir$base.d
cannam@162: tmpdepfile2=$dir$base.d
cannam@162: tmpdepfile3=$dir$base.d
cannam@162: "$@" -MD
cannam@162: fi
cannam@162:
cannam@162: stat=$?
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@162: exit $stat
cannam@162: fi
cannam@162:
cannam@162: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
cannam@162: do
cannam@162: test -f "$tmpdepfile" && break
cannam@162: done
cannam@162: # Same post-processing that is required for AIX mode.
cannam@162: aix_post_process_depfile
cannam@162: ;;
cannam@162:
cannam@162: msvc7)
cannam@162: if test "$libtool" = yes; then
cannam@162: showIncludes=-Wc,-showIncludes
cannam@162: else
cannam@162: showIncludes=-showIncludes
cannam@162: fi
cannam@162: "$@" $showIncludes > "$tmpdepfile"
cannam@162: stat=$?
cannam@162: grep -v '^Note: including file: ' "$tmpdepfile"
cannam@162: if test $stat -ne 0; then
cannam@162: rm -f "$tmpdepfile"
cannam@162: exit $stat
cannam@162: fi
cannam@162: rm -f "$depfile"
cannam@162: echo "$object : \\" > "$depfile"
cannam@162: # The first sed program below extracts the file names and escapes
cannam@162: # backslashes for cygpath. The second sed program outputs the file
cannam@162: # name when reading, but also accumulates all include files in the
cannam@162: # hold buffer in order to output them again at the end. This only
cannam@162: # works with sed implementations that can handle large buffers.
cannam@162: sed < "$tmpdepfile" -n '
cannam@162: /^Note: including file: *\(.*\)/ {
cannam@162: s//\1/
cannam@162: s/\\/\\\\/g
cannam@162: p
cannam@162: }' | $cygpath_u | sort -u | sed -n '
cannam@162: s/ /\\ /g
cannam@162: s/\(.*\)/'"$tab"'\1 \\/p
cannam@162: s/.\(.*\) \\/\1:/
cannam@162: H
cannam@162: $ {
cannam@162: s/.*/'"$tab"'/
cannam@162: G
cannam@162: p
cannam@162: }' >> "$depfile"
cannam@162: echo >> "$depfile" # make sure the fragment doesn't end with a backslash
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: msvc7msys)
cannam@162: # This case exists only to let depend.m4 do its work. It works by
cannam@162: # looking at the text of this script. This case will never be run,
cannam@162: # since it is checked for above.
cannam@162: exit 1
cannam@162: ;;
cannam@162:
cannam@162: #nosideeffect)
cannam@162: # This comment above is used by automake to tell side-effect
cannam@162: # dependency tracking mechanisms from slower ones.
cannam@162:
cannam@162: dashmstdout)
cannam@162: # Important note: in order to support this mode, a compiler *must*
cannam@162: # always write the preprocessed file to stdout, regardless of -o.
cannam@162: "$@" || exit $?
cannam@162:
cannam@162: # Remove the call to Libtool.
cannam@162: if test "$libtool" = yes; then
cannam@162: while test "X$1" != 'X--mode=compile'; do
cannam@162: shift
cannam@162: done
cannam@162: shift
cannam@162: fi
cannam@162:
cannam@162: # Remove '-o $object'.
cannam@162: IFS=" "
cannam@162: for arg
cannam@162: do
cannam@162: case $arg in
cannam@162: -o)
cannam@162: shift
cannam@162: ;;
cannam@162: $object)
cannam@162: shift
cannam@162: ;;
cannam@162: *)
cannam@162: set fnord "$@" "$arg"
cannam@162: shift # fnord
cannam@162: shift # $arg
cannam@162: ;;
cannam@162: esac
cannam@162: done
cannam@162:
cannam@162: test -z "$dashmflag" && dashmflag=-M
cannam@162: # Require at least two characters before searching for ':'
cannam@162: # in the target name. This is to cope with DOS-style filenames:
cannam@162: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
cannam@162: "$@" $dashmflag |
cannam@162: sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
cannam@162: rm -f "$depfile"
cannam@162: cat < "$tmpdepfile" > "$depfile"
cannam@162: # Some versions of the HPUX 10.20 sed can't process this sed invocation
cannam@162: # correctly. Breaking it into two sed invocations is a workaround.
cannam@162: tr ' ' "$nl" < "$tmpdepfile" \
cannam@162: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
cannam@162: | sed -e 's/$/ :/' >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: dashXmstdout)
cannam@162: # This case only exists to satisfy depend.m4. It is never actually
cannam@162: # run, as this mode is specially recognized in the preamble.
cannam@162: exit 1
cannam@162: ;;
cannam@162:
cannam@162: makedepend)
cannam@162: "$@" || exit $?
cannam@162: # Remove any Libtool call
cannam@162: if test "$libtool" = yes; then
cannam@162: while test "X$1" != 'X--mode=compile'; do
cannam@162: shift
cannam@162: done
cannam@162: shift
cannam@162: fi
cannam@162: # X makedepend
cannam@162: shift
cannam@162: cleared=no eat=no
cannam@162: for arg
cannam@162: do
cannam@162: case $cleared in
cannam@162: no)
cannam@162: set ""; shift
cannam@162: cleared=yes ;;
cannam@162: esac
cannam@162: if test $eat = yes; then
cannam@162: eat=no
cannam@162: continue
cannam@162: fi
cannam@162: case "$arg" in
cannam@162: -D*|-I*)
cannam@162: set fnord "$@" "$arg"; shift ;;
cannam@162: # Strip any option that makedepend may not understand. Remove
cannam@162: # the object too, otherwise makedepend will parse it as a source file.
cannam@162: -arch)
cannam@162: eat=yes ;;
cannam@162: -*|$object)
cannam@162: ;;
cannam@162: *)
cannam@162: set fnord "$@" "$arg"; shift ;;
cannam@162: esac
cannam@162: done
cannam@162: obj_suffix=`echo "$object" | sed 's/^.*\././'`
cannam@162: touch "$tmpdepfile"
cannam@162: ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
cannam@162: rm -f "$depfile"
cannam@162: # makedepend may prepend the VPATH from the source file name to the object.
cannam@162: # No need to regex-escape $object, excess matching of '.' is harmless.
cannam@162: sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
cannam@162: # Some versions of the HPUX 10.20 sed can't process the last invocation
cannam@162: # correctly. Breaking it into two sed invocations is a workaround.
cannam@162: sed '1,2d' "$tmpdepfile" \
cannam@162: | tr ' ' "$nl" \
cannam@162: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
cannam@162: | sed -e 's/$/ :/' >> "$depfile"
cannam@162: rm -f "$tmpdepfile" "$tmpdepfile".bak
cannam@162: ;;
cannam@162:
cannam@162: cpp)
cannam@162: # Important note: in order to support this mode, a compiler *must*
cannam@162: # always write the preprocessed file to stdout.
cannam@162: "$@" || exit $?
cannam@162:
cannam@162: # Remove the call to Libtool.
cannam@162: if test "$libtool" = yes; then
cannam@162: while test "X$1" != 'X--mode=compile'; do
cannam@162: shift
cannam@162: done
cannam@162: shift
cannam@162: fi
cannam@162:
cannam@162: # Remove '-o $object'.
cannam@162: IFS=" "
cannam@162: for arg
cannam@162: do
cannam@162: case $arg in
cannam@162: -o)
cannam@162: shift
cannam@162: ;;
cannam@162: $object)
cannam@162: shift
cannam@162: ;;
cannam@162: *)
cannam@162: set fnord "$@" "$arg"
cannam@162: shift # fnord
cannam@162: shift # $arg
cannam@162: ;;
cannam@162: esac
cannam@162: done
cannam@162:
cannam@162: "$@" -E \
cannam@162: | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
cannam@162: -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
cannam@162: | sed '$ s: \\$::' > "$tmpdepfile"
cannam@162: rm -f "$depfile"
cannam@162: echo "$object : \\" > "$depfile"
cannam@162: cat < "$tmpdepfile" >> "$depfile"
cannam@162: sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: msvisualcpp)
cannam@162: # Important note: in order to support this mode, a compiler *must*
cannam@162: # always write the preprocessed file to stdout.
cannam@162: "$@" || exit $?
cannam@162:
cannam@162: # Remove the call to Libtool.
cannam@162: if test "$libtool" = yes; then
cannam@162: while test "X$1" != 'X--mode=compile'; do
cannam@162: shift
cannam@162: done
cannam@162: shift
cannam@162: fi
cannam@162:
cannam@162: IFS=" "
cannam@162: for arg
cannam@162: do
cannam@162: case "$arg" in
cannam@162: -o)
cannam@162: shift
cannam@162: ;;
cannam@162: $object)
cannam@162: shift
cannam@162: ;;
cannam@162: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
cannam@162: set fnord "$@"
cannam@162: shift
cannam@162: shift
cannam@162: ;;
cannam@162: *)
cannam@162: set fnord "$@" "$arg"
cannam@162: shift
cannam@162: shift
cannam@162: ;;
cannam@162: esac
cannam@162: done
cannam@162: "$@" -E 2>/dev/null |
cannam@162: sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
cannam@162: rm -f "$depfile"
cannam@162: echo "$object : \\" > "$depfile"
cannam@162: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
cannam@162: echo "$tab" >> "$depfile"
cannam@162: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
cannam@162: rm -f "$tmpdepfile"
cannam@162: ;;
cannam@162:
cannam@162: msvcmsys)
cannam@162: # This case exists only to let depend.m4 do its work. It works by
cannam@162: # looking at the text of this script. This case will never be run,
cannam@162: # since it is checked for above.
cannam@162: exit 1
cannam@162: ;;
cannam@162:
cannam@162: none)
cannam@162: exec "$@"
cannam@162: ;;
cannam@162:
cannam@162: *)
cannam@162: echo "Unknown depmode $depmode" 1>&2
cannam@162: exit 1
cannam@162: ;;
cannam@162: esac
cannam@162:
cannam@162: exit 0
cannam@162:
cannam@162: # Local Variables:
cannam@162: # mode: shell-script
cannam@162: # sh-indentation: 2
cannam@162: # eval: (add-hook 'write-file-hooks 'time-stamp)
cannam@162: # time-stamp-start: "scriptversion="
cannam@162: # time-stamp-format: "%:y-%02m-%02d.%02H"
cannam@162: # time-stamp-time-zone: "UTC"
cannam@162: # time-stamp-end: "; # UTC"
cannam@162: # End: