depcomp
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- #! /bin/sh
- # depcomp - compile a program generating dependencies as side-effects
- scriptversion=2005-07-09.11
- # Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2, or (at your option)
- # any later version.
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- # 02110-1301, USA.
- # As a special exception to the GNU General Public License, if you
- # distribute this file as part of a program that contains a
- # configuration script generated by Autoconf, you may include it under
- # the same distribution terms that you use for the rest of that program.
- # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
- case $1 in
- '')
- echo "$0: No command. Try `$0 --help' for more information." 1>&2
- exit 1;
- ;;
- -h | --h*)
- cat <<EOF
- Usage: depcomp [--help] [--version] PROGRAM [ARGS]
- Run PROGRAMS ARGS to compile a file, generating dependencies
- as side-effects.
- Environment variables:
- depmode Dependency tracking mode.
- source Source file read by `PROGRAMS ARGS'.
- object Object file output by `PROGRAMS ARGS'.
- DEPDIR directory where to store dependencies.
- depfile Dependency file to output.
- tmpdepfile Temporary file to use when outputing dependencies.
- libtool Whether libtool is used (yes/no).
- Report bugs to <bug-automake@gnu.org>.
- EOF
- exit $?
- ;;
- -v | --v*)
- echo "depcomp $scriptversion"
- exit $?
- ;;
- esac
- if test -z "$depmode" || test -z "$source" || test -z "$object"; then
- echo "depcomp: Variables source, object and depmode must be set" 1>&2
- exit 1
- fi
- # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
- depfile=${depfile-`echo "$object" |
- sed 's|[^\/]*$|'${DEPDIR-.deps}'/&|;s|.([^.]*)$|.P1|;s|Pobj$|Po|'`}
- tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/.([^.]*)$/.T1/'`}
- rm -f "$tmpdepfile"
- # Some modes work just like other modes, but use different flags. We
- # parameterize here, but still list the modes in the big case below,
- # to make depend.m4 easier to write. Note that we *cannot* use a case
- # here, because this file can only contain one case statement.
- if test "$depmode" = hp; then
- # HP compiler uses -M and no extra arg.
- gccflag=-M
- depmode=gcc
- fi
- if test "$depmode" = dashXmstdout; then
- # This is just like dashmstdout with a different argument.
- dashmflag=-xM
- depmode=dashmstdout
- fi
- case "$depmode" in
- gcc3)
- ## gcc 3 implements dependency tracking that does exactly what
- ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
- ## it if -MD -MP comes after the -MF stuff. Hmm.
- "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- mv "$tmpdepfile" "$depfile"
- ;;
- gcc)
- ## There are various ways to get dependency output from gcc. Here's
- ## why we pick this rather obscure method:
- ## - Don't want to use -MD because we'd like the dependencies to end
- ## up in a subdir. Having to rename by hand is ugly.
- ## (We might end up doing this anyway to support other compilers.)
- ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
- ## -MM, not -M (despite what the docs say).
- ## - Using -M directly means running the compiler twice (even worse
- ## than renaming).
- if test -z "$gccflag"; then
- gccflag=-MD,
- fi
- "$@" -Wp,"$gccflag$tmpdepfile"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
- echo "$object : \" > "$depfile"
- alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
- ## The second -e expression handles DOS-style file names with drive letters.
- sed -e 's/^[^:]*: / /'
- -e 's/^['$alpha']:/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
- ## This next piece of magic avoids the `deleted header file' problem.
- ## The problem is that when a header file which appears in a .P file
- ## is deleted, the dependency causes make to die (because there is
- ## typically no way to rebuild the header). We avoid this by adding
- ## dummy dependencies for each header file. Too bad gcc doesn't do
- ## this for us directly.
- tr ' ' '
- ' < "$tmpdepfile" |
- ## Some versions of gcc put a space before the `:'. On the theory
- ## that the space means something, we add a space to the output as
- ## well.
- ## Some versions of the HPUX 10.20 sed can't process this invocation
- ## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
- hp)
- # This case exists only to let depend.m4 do its work. It works by
- # looking at the text of this script. This case will never be run,
- # since it is checked for above.
- exit 1
- ;;
- sgi)
- if test "$libtool" = yes; then
- "$@" "-Wp,-MDupdate,$tmpdepfile"
- else
- "$@" -MDupdate "$tmpdepfile"
- fi
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
- if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
- echo "$object : \" > "$depfile"
- # Clip off the initial element (the dependent). Don't try to be
- # clever and replace this with sed code, as IRIX sed won't handle
- # lines with more than a fixed number of characters (4096 in
- # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
- # the IRIX cc adds comments like `#:fec' to the end of the
- # dependency line.
- tr ' ' '
- ' < "$tmpdepfile"
- | sed -e 's/^.*.o://' -e 's/#.*$//' -e '/^$/ d' |
- tr '
- ' ' ' >> $depfile
- echo >> $depfile
- # The second pass generates a dummy entry for each header file.
- tr ' ' '
- ' < "$tmpdepfile"
- | sed -e 's/^.*.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/'
- >> $depfile
- else
- # The sourcefile does not contain any dependencies, so just
- # store a dummy comment line, to avoid errors with the Makefile
- # "include basename.Plo" scheme.
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
- aix)
- # The C for AIX Compiler uses -M and outputs the dependencies
- # in a .u file. In older versions, this file always lives in the
- # current directory. Also, the AIX compiler puts `$object:' at the
- # start of each line; $object doesn't have directory information.
- # Version 6 uses the directory in both cases.
- stripped=`echo "$object" | sed 's/(.*)..*$/1/'`
- tmpdepfile="$stripped.u"
- if test "$libtool" = yes; then
- "$@" -Wc,-M
- else
- "$@" -M
- fi
- stat=$?
- if test -f "$tmpdepfile"; then :
- else
- stripped=`echo "$stripped" | sed 's,^.*/,,'`
- tmpdepfile="$stripped.u"
- fi
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- if test -f "$tmpdepfile"; then
- outname="$stripped.o"
- # Each line is of the form `foo.o: dependent.h'.
- # Do two passes, one to just change these to
- # `$object: dependent.h' and one to simply `dependent.h:'.
- sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
- sed -e "s,^$outname: (.*)$,1:," < "$tmpdepfile" >> "$depfile"
- else
- # The sourcefile does not contain any dependencies, so just
- # store a dummy comment line, to avoid errors with the Makefile
- # "include basename.Plo" scheme.
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
- icc)
- # Intel's C compiler understands `-MD -MF file'. However on
- # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
- # ICC 7.0 will fill foo.d with something like
- # foo.o: sub/foo.c
- # foo.o: sub/foo.h
- # which is wrong. We want:
- # sub/foo.o: sub/foo.c
- # sub/foo.o: sub/foo.h
- # sub/foo.c:
- # sub/foo.h:
- # ICC 7.1 will output
- # foo.o: sub/foo.c sub/foo.h
- # and will wrap long lines using :
- # foo.o: sub/foo.c ...
- # sub/foo.h ...
- # ...
- "$@" -MD -MF "$tmpdepfile"
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile"
- exit $stat
- fi
- rm -f "$depfile"
- # Each line is of the form `foo.o: dependent.h',
- # or `foo.o: dep1.h dep2.h ', or ` dep3.h dep4.h '.
- # Do two passes, one to just change these to
- # `$object: dependent.h' and one to simply `dependent.h:'.
- sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
- # Some versions of the HPUX 10.20 sed can't process this invocation
- # correctly. Breaking it into two sed invocations is a workaround.
- sed 's,^[^:]*: (.*)$,1,;s/^\$//;/^$/d;/:$/d' < "$tmpdepfile" |
- sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
- tru64)
- # The Tru64 compiler uses -MD to generate dependencies as a side
- # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
- # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
- # dependencies in `foo.d' instead, so we check for that too.
- # Subdirectories are respected.
- dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
- test "x$dir" = "x$object" && dir=
- base=`echo "$object" | sed -e 's|^.*/||' -e 's/.o$//' -e 's/.lo$//'`
- if test "$libtool" = yes; then
- # With Tru64 cc, shared objects can also be used to make a
- # static library. This mecanism is used in libtool 1.4 series to
- # handle both shared and static libraries in a single compilation.
- # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
- #
- # With libtool 1.5 this exception was removed, and libtool now
- # generates 2 separate objects for the 2 libraries. These two
- # compilations output dependencies in in $dir.libs/$base.o.d and
- # in $dir$base.o.d. We have to check for both files, because
- # one of the two compilations can be disabled. We should prefer
- # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
- # automatically cleaned when .libs/ is deleted, while ignoring
- # the former would cause a distcleancheck panic.
- tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
- tmpdepfile2=$dir$base.o.d # libtool 1.5
- tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
- tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
- "$@" -Wc,-MD
- else
- tmpdepfile1=$dir$base.o.d
- tmpdepfile2=$dir$base.d
- tmpdepfile3=$dir$base.d
- tmpdepfile4=$dir$base.d
- "$@" -MD
- fi
- stat=$?
- if test $stat -eq 0; then :
- else
- rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
- exit $stat
- fi
- for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
- do
- test -f "$tmpdepfile" && break
- done
- if test -f "$tmpdepfile"; then
- sed -e "s,^.*.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
- # That's a tab and a space in the [].
- sed -e 's,^.*.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
- else
- echo "#dummy" > "$depfile"
- fi
- rm -f "$tmpdepfile"
- ;;
- #nosideeffect)
- # This comment above is used by automake to tell side-effect
- # dependency tracking mechanisms from slower ones.
- dashmstdout)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout, regardless of -o.
- "$@" || exit $?
- # Remove the call to Libtool.
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
- # Remove `-o $object'.
- IFS=" "
- for arg
- do
- case $arg in
- -o)
- shift
- ;;
- $object)
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift # fnord
- shift # $arg
- ;;
- esac
- done
- test -z "$dashmflag" && dashmflag=-M
- # Require at least two characters before searching for `:'
- # in the target name. This is to cope with DOS-style filenames:
- # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
- "$@" $dashmflag |
- sed 's:^[ ]*[^: ][^:][^:]*:[ ]*:'"$object"': :' > "$tmpdepfile"
- rm -f "$depfile"
- cat < "$tmpdepfile" > "$depfile"
- tr ' ' '
- ' < "$tmpdepfile" |
- ## Some versions of the HPUX 10.20 sed can't process this invocation
- ## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
- dashXmstdout)
- # This case only exists to satisfy depend.m4. It is never actually
- # run, as this mode is specially recognized in the preamble.
- exit 1
- ;;
- makedepend)
- "$@" || exit $?
- # Remove any Libtool call
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
- # X makedepend
- shift
- cleared=no
- for arg in "$@"; do
- case $cleared in
- no)
- set ""; shift
- cleared=yes ;;
- esac
- case "$arg" in
- -D*|-I*)
- set fnord "$@" "$arg"; shift ;;
- # Strip any option that makedepend may not understand. Remove
- # the object too, otherwise makedepend will parse it as a source file.
- -*|$object)
- ;;
- *)
- set fnord "$@" "$arg"; shift ;;
- esac
- done
- obj_suffix="`echo $object | sed 's/^.*././'`"
- touch "$tmpdepfile"
- ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
- rm -f "$depfile"
- cat < "$tmpdepfile" > "$depfile"
- sed '1,2d' "$tmpdepfile" | tr ' ' '
- ' |
- ## Some versions of the HPUX 10.20 sed can't process this invocation
- ## correctly. Breaking it into two sed invocations is a workaround.
- sed -e 's/^\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile" "$tmpdepfile".bak
- ;;
- cpp)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout.
- "$@" || exit $?
- # Remove the call to Libtool.
- if test "$libtool" = yes; then
- while test $1 != '--mode=compile'; do
- shift
- done
- shift
- fi
- # Remove `-o $object'.
- IFS=" "
- for arg
- do
- case $arg in
- -o)
- shift
- ;;
- $object)
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift # fnord
- shift # $arg
- ;;
- esac
- done
- "$@" -E |
- sed -n -e '/^# [0-9][0-9]* "([^"]*)".*/ s:: 1 \:p'
- -e '/^#line [0-9][0-9]* "([^"]*)".*/ s:: 1 \:p' |
- sed '$ s: \$::' > "$tmpdepfile"
- rm -f "$depfile"
- echo "$object : \" > "$depfile"
- cat < "$tmpdepfile" >> "$depfile"
- sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \$//;s/$/ :/' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
- msvisualcpp)
- # Important note: in order to support this mode, a compiler *must*
- # always write the preprocessed file to stdout, regardless of -o,
- # because we must use -o when running libtool.
- "$@" || exit $?
- IFS=" "
- for arg
- do
- case "$arg" in
- "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
- set fnord "$@"
- shift
- shift
- ;;
- *)
- set fnord "$@" "$arg"
- shift
- shift
- ;;
- esac
- done
- "$@" -E |
- sed -n '/^#line [0-9][0-9]* "([^"]*)"/ s::echo "`cygpath -u \"1\"`":p' | sort | uniq > "$tmpdepfile"
- rm -f "$depfile"
- echo "$object : \" > "$depfile"
- . "$tmpdepfile" | sed 's% %\ %g' | sed -n '/^(.*)$/ s:: 1 \:p' >> "$depfile"
- echo " " >> "$depfile"
- . "$tmpdepfile" | sed 's% %\ %g' | sed -n '/^(.*)$/ s::1::p' >> "$depfile"
- rm -f "$tmpdepfile"
- ;;
- none)
- exec "$@"
- ;;
- *)
- echo "Unknown depmode $depmode" 1>&2
- exit 1
- ;;
- esac
- exit 0
- # Local Variables:
- # mode: shell-script
- # sh-indentation: 2
- # eval: (add-hook 'write-file-hooks 'time-stamp)
- # time-stamp-start: "scriptversion="
- # time-stamp-format: "%:y-%02m-%02d.%02H"
- # time-stamp-end: "$"
- # End: