X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=config%2Fdepcomp;h=ffcd540c3366d4ac158cd738c98d712460d99696;hb=cd3bee968885a85671cad267e142aad74076b5e2;hp=86f7f1539cffa1f9f39d2e058f94170bf82c9f1b;hpb=c79ce989b0f0a8ab302e6452dd747242279abbdf;p=gnulib.git

diff --git a/config/depcomp b/config/depcomp
index 86f7f1539..ffcd540c3 100644
--- a/config/depcomp
+++ b/config/depcomp
@@ -1,7 +1,9 @@
 #! /bin/sh
-
 # depcomp - compile a program generating dependencies as side-effects
-# Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
+
+scriptversion=2005-02-09.22
+
+# 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
@@ -25,22 +27,45 @@
 
 # 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
-# `libtool' can also be set to `yes' or `no'.
-
-if test -z "$depfile"; then
-   base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
-   dir=`echo "$object" | sed 's,/.*$,/,'`
-   if test "$dir" = "$object"; then
-      dir=
-   fi
-   # FIXME: should be _deps on DOS.
-   depfile="$dir.deps/$base"
-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|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
@@ -262,27 +287,43 @@ tru64)
    base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
 
    if test "$libtool" = yes; then
-      tmpdepfile1="$dir.libs/$base.lo.d"
-      tmpdepfile2="$dir.libs/$base.d"
+      # 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$base.d"
+      tmpdepfile1=$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" "$tmpdepfile2"
+      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
       exit $stat
    fi
 
-   if test -f "$tmpdepfile1"; then
-      tmpdepfile="$tmpdepfile1"
-   else
-      tmpdepfile="$tmpdepfile2"
-   fi
+   for tmpdepfile in "$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 [].
@@ -299,7 +340,7 @@ tru64)
 
 dashmstdout)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout, regardless of -o.
+  # always write the preprocessed file to stdout, regardless of -o.
   "$@" || exit $?
 
   # Remove the call to Libtool.
@@ -395,7 +436,7 @@ makedepend)
 
 cpp)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout.
+  # always write the preprocessed file to stdout.
   "$@" || exit $?
 
   # Remove the call to Libtool.
@@ -437,7 +478,7 @@ cpp)
 
 msvisualcpp)
   # Important note: in order to support this mode, a compiler *must*
-  # always write the proprocessed file to stdout, regardless of -o,
+  # always write the preprocessed file to stdout, regardless of -o,
   # because we must use -o when running libtool.
   "$@" || exit $?
   IFS=" "
@@ -477,3 +518,12 @@ none)
 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: