build: Include header.am in cpukit/Makefile.am

Include all cpukit/*/header.am files in cpukit/Makefile.am.  This gets
rid of all subtree Makefile.am and the sudirs hack.

bootstrap

@@ -81,21 +81,58 @@ headers)
     exit 1
   fi
   base="$PWD"
+
+  # Generate cpukit/header-dirs.am
+  tmp="$base/cpukit/header-dirs.am.new"
+  hdr_dirs=`for i in cpukit/include cpukit/libnetworking cpukit/score/cpu/*/include ; do
+    cd "$i"
+    find -mindepth 1 -type d
+    cd "$base"
+  done | sort -u | sed 's%^\./%%'`
+  echo '## This file was generated by "./boostrap -H".' > "$tmp"
+  echo 'include_HEADERS =' >> "$tmp"
+  for dir in $hdr_dirs ; do
+    am_dir=`echo $dir | sed 's%[/-]%_%g'`
+    echo "include_${am_dir}dir = \$(includedir)/$dir" >> "$tmp"
+    echo "include_${am_dir}_HEADERS =" >> "$tmp"
+  done
+  diff -q "$tmp" "cpukit/header-dirs.am" || mv "$tmp" "cpukit/header-dirs.am"
+  rm -f "$tmp"
+
+  # Generate cpukit/*/headers.am
   tmp="$base/headers.am.new"
-  for i in cpukit/include cpukit/score/cpu/*/include bsps/include bsps/*/include bsps/*/*/include ; do
+  cpukit="$base/cpukit"
+  cd "$cpukit"
+  for inc in include score/cpu/*/include ; do
+    echo '## This file was generated by "./boostrap -H".' > "$tmp"
+    hdr=`dirname $inc`
+    am_dir=""
+    cd $inc
+    for b in `find -type d | sort` ; do
+      for j in `find $b -mindepth 1 -maxdepth 1 -name '*.h' | sed 's%^\.%%' | sed 's%^/%%' | sort` ; do
+        dir=`dirname $j`
+        if test x$dir != x. ; then
+          am_dir=`echo $dir | sed 's%[/-]%_%g'`
+          am_dir="_$am_dir"
+        else
+          am_dir=""
+        fi
+        echo "include${am_dir}_HEADERS += $inc/$j" >> "$tmp"
+      done
+    done
+    cd "$cpukit"
+    diff -q "$tmp" "${hdr}/headers.am" || mv "$tmp" "${hdr}/headers.am"
+  done
+  rm -f "$tmp"
+  cd "$base"
+
+  # Generate bsps/*/headers.am
+  tmp="$base/headers.am.new"
+  for i in bsps/include bsps/*/include bsps/*/*/include ; do
     dir=""
     am_dir=""
     echo '## This file was generated by "./boostrap -H".' > "$tmp"
     case $i in
-      cpukit/include)
-        hdr="../"
-        inc="include/"
-        ;;
-      cpukit/score/cpu/*/include)
-        hdr="../"
-        inc=`echo $i | cut -d'/' -f5-`
-        inc="$inc/"
-        ;;
       bsps/*/*/include)
         hdr="../"
         inc="../../../../../../$i/"