--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.PHONY: clean doxygen strip_paths xml
+
+# Regenerate the XML documents.
+xml: strip_paths
+
+clean:
+ rm -rf xml
+
+doxygen: clean
+ doxygen Doxyfile
+
+# Get rid of the absolute paths in the generated files.
+#
+# Doxygen ignores the `STRIP_FROM_PATH` setting when generating a XML output.
+# So, we have to replace the paths manually in order to get reproducible
+# results.
+#
+# WARNING: FOR USE ON TEST DATA ONLY.
+strip_paths: doxygen
+ . ../../sh-lib/more_sed.sh; \
+ replace `readlink -f -- ./src` '%SOURCE_DIRECTORY%' xml/*.xml