[PATCH] Dependency tracking for Microsoft Visual C/C++

[Morten Eriksen]

Hi,

this patch implements support for extracting dependency tracking
information by using the preprocessor mode of the Microsoft Visual
C/C++ compiler.

Regards,
Morten


Index: ChangeLog
===================================================================
RCS file: /cvs/automake/automake/ChangeLog,v
retrieving revision 1.891
diff -u -r1.891 ChangeLog
--- ChangeLog   2000/10/06 22:49:14     1.891
+++ ChangeLog   2000/10/09 17:46:26
@@ -1,3 +1,8 @@
+2000-10-09  Morten Eriksen  <[EMAIL PROTECTED]>
+
+       * depcomp (msvisualcpp): New dependency tracking mode, this one
+       works with Microsoft Visual C++.
+
 2000-10-06  Alexandre Duret-Lutz  <[EMAIL PROTECTED]>
 
        * aclocal.in (add_file): Strip comments while scanning for
Index: depcomp
===================================================================
RCS file: /cvs/automake/automake/depcomp,v
retrieving revision 1.8
diff -u -r1.8 depcomp
--- depcomp     2000/08/20 15:58:45     1.8
+++ depcomp     2000/10/09 17:46:27
@@ -263,6 +272,44 @@
   rm -f "$depfile"
   cat < "$tmpdepfile" > "$depfile"
   sed < "$tmpdepfile" -e 's/^[^:]*: //' -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the proprocessed file to stdout, regardless of -o,
+  # because we must use -o when running libtool.
+  ( IFS=" "
+    case " $* " in
+    *" --mode=compile "*)
+      for arg
+      do # cycle over the arguments
+        case "$arg" in
+       "--mode=compile")
+         # insert --quiet before "--mode=compile"
+         set fnord "$@" --quiet
+         shift # fnord
+         ;;
+       esac
+       set fnord "$@" "$arg"
+       shift # fnord
+       shift # "$arg"
+      done
+      ;;
+    esac
+    "$@" -E |
+    sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | 
+sort | uniq > "$tmpdepfile"
+  ) &
+  proc=$!
+  "$@"
+  stat=$?
+  wait "$proc"
+  if test "$stat" != 0; then exit $stat; fi
+  rm -f "$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"
   ;;