diff kdiff3/admin/depcomp @ 14:415083d043f3

KDiff3 version 0.9.70

--- a/kdiff3/admin/depcomp	Mon Oct 06 19:12:57 2003 +0000
+++ b/kdiff3/admin/depcomp	Mon Oct 06 19:19:11 2003 +0000
@@ -18,6 +18,11 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, 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 <[e-mail]>.
 
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
@@ -50,10 +55,12 @@
 case "$depmode" in
 gcc3)
 ## gcc 3 implements dependency tracking that does exactly what
-## we want.  Yay!
-  if "$@" -MT "$object" -MF "$tmpdepfile" -MD -MP; then :
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+  "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
   else
-    stat=$?
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -73,9 +80,10 @@
   if test -z "$gccflag"; then
     gccflag=-MD,
   fi
-  if "$@" -Wp,"$gccflag$tmpdepfile"; then :
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -eq 0; then :
   else
-    stat=$?
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -126,19 +134,24 @@
   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
     echo "$object : \\" > "$depfile"
 
-    # Clip off the initial element (the dependent). Don't try to be
+    # 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).
+    # 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 ' ' '
-' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
+' < "$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 ' ' '
-' < "$tmpdepfile" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-      sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+' < "$tmpdepfile" \
+   | sed -e 's/^.*\.o://' -e 's/#.*$//' -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
@@ -150,8 +163,12 @@
 
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.
-  tmpdepfile=`echo "$object" | sed 's/\(.*\)\..*$/\1.u/'`
+  # in a .u file.  This file always lives in the current directory.
+  # Also, the AIX compiler puts `$object:' at the start of each line;
+  # $object doesn't have directory information.
+  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
+  tmpdepfile="$stripped.u"
+  outname="$stripped.o"
   if test "$libtool" = yes; then
     "$@" -Wc,-M
   else
@@ -166,21 +183,11 @@
   fi
 
   if test -f "$tmpdepfile"; then
-    echo "$object : \\" > "$depfile"
-
-    # Clip off the initial element (the dependent). Don't try to be
-    # clever and replace this with sed code, as IRIX sed won't handle
-    # lines with more than a fixed number of characters (4096 in
-    # IRIX 6.2 sed, 8192 in IRIX 6.5).
-    tr ' ' '
-' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
-' ' ' >> $depfile
-
-    tr ' ' '
-' < "$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"
+    # 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" >> "$depfile"
   else
     # The sourcefile does not contain any dependencies, so just
     # store a dummy comment line, to avoid errors with the Makefile
@@ -190,6 +197,73 @@
   rm -f "$tmpdepfile"
   ;;
 
+icc)
+  # Must come before tru64.
+
+  # Intel's C compiler understands `-MD -MF file'.  However
+  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+  # 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:
+
+  "$@" -MD -MF "$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'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed -e "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  sed -e "s,^[^:]*: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+tru64)
+   # The Tru64 AIX 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.
+
+   tmpdepfile1="$object.d"
+   tmpdepfile2=`echo "$object" | sed -e 's/.o$/.d/'` 
+   if test "$libtool" = yes; then
+      "$@" -Wc,-MD
+   else
+      "$@" -MD
+   fi
+
+   stat=$?
+   if test $stat -eq 0; then :
+   else
+      rm -f "$tmpdepfile1" "$tmpdepfile2"
+      exit $stat
+   fi
+
+   if test -f "$tmpdepfile1"; then
+      tmpdepfile="$tmpdepfile1"
+   else
+      tmpdepfile="$tmpdepfile2"
+   fi
+   if test -f "$tmpdepfile"; then
+      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+      # That's a space and a tab 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.