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# depcomp - compile a program generating dependencies as side-effects
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scriptversion=2005-07-09.11
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scriptversion=2007-03-29.01
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# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
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# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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## gcc 3 implements dependency tracking that does exactly what
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## we want. Yay! Note: for some reason libtool 1.4 doesn't like
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## it if -MD -MP comes after the -MF stuff. Hmm.
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"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
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## Unfortunately, FreeBSD c89 acceptance of flags depends upon
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## the command line argument order; so add the flags where they
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## appear in depend2.am. Note that the slowdown incurred here
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## affects only configure: in makefiles, %FASTDEP% shortcuts this.
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-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
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*) set fnord "$@" "$arg" ;;
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if test $stat -eq 0; then :
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# current directory. Also, the AIX compiler puts `$object:' at the
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# start of each line; $object doesn't have directory information.
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# Version 6 uses the directory in both cases.
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stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
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tmpdepfile="$stripped.u"
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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if test "$libtool" = yes; then
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tmpdepfile1=$dir$base.u
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tmpdepfile3=$dir.libs/$base.u
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tmpdepfile1=$dir$base.u
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tmpdepfile2=$dir$base.u
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tmpdepfile3=$dir$base.u
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if test -f "$tmpdepfile"; then :
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stripped=`echo "$stripped" | sed 's,^.*/,,'`
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tmpdepfile="$stripped.u"
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if test $stat -eq 0; then :
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rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
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for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
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test -f "$tmpdepfile" && break
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if test -f "$tmpdepfile"; then
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outname="$stripped.o"
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# Each line is of the form `foo.o: dependent.h'.
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# Do two passes, one to just change these to
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# `$object: dependent.h' and one to simply `dependent.h:'.
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sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
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sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
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sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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# That's a tab and a space in the [].
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sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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# The sourcefile does not contain any dependencies, so just
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# store a dummy comment line, to avoid errors with the Makefile
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rm -f "$tmpdepfile"
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# The "hp" stanza above does not work with aCC (C++) and HP's ia64
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# compilers, which have integrated preprocessors. The correct option
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# to use with these is +Maked; it writes dependencies to a file named
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# 'foo.d', which lands next to the object file, wherever that
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# Much of this is similar to the tru64 case; see comments there.
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
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if test "$libtool" = yes; then
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tmpdepfile1=$dir$base.d
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tmpdepfile2=$dir.libs/$base.d
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tmpdepfile1=$dir$base.d
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tmpdepfile2=$dir$base.d
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if test $stat -eq 0; then :
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rm -f "$tmpdepfile1" "$tmpdepfile2"
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for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
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test -f "$tmpdepfile" && break
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if test -f "$tmpdepfile"; then
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sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
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# Add `dependent.h:' lines.
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sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
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echo "#dummy" > "$depfile"
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rm -f "$tmpdepfile" "$tmpdepfile2"
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# The Tru64 compiler uses -MD to generate dependencies as a side
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# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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if test "$libtool" = yes; then
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# With Tru64 cc, shared objects can also be used to make a
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# static library. This mecanism is used in libtool 1.4 series to
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# static library. This mechanism is used in libtool 1.4 series to
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# handle both shared and static libraries in a single compilation.
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# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
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# With libtool 1.5 this exception was removed, and libtool now
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# generates 2 separate objects for the 2 libraries. These two
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# compilations output dependencies in in $dir.libs/$base.o.d and
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# compilations output dependencies in $dir.libs/$base.o.d and
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# in $dir$base.o.d. We have to check for both files, because
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# one of the two compilations can be disabled. We should prefer
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# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
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removed
depcomp
