OUTDIR=$2
SCRIPTCSS=$3
-doxygen "${DOXYCONF}"
+OUT_FILE=$(dirname $OUTDIR)/doxygen.out
+
+# run doxygen, capturing all the header files it processed
+doxygen "${DOXYCONF}" > $OUT_FILE
+echo "$OUTDIR: $(awk '/Preprocessing/ {printf("%s ", substr($2, 1, length($2) - 3))}' $OUT_FILE)" > $OUTDIR.d
+
"${SCRIPTCSS}" "${OUTDIR}"/doxygen.css