Added a stamp file with upstream version to assure up-to-dateness of the generated files

Author: yarikoptic

debian/changelog

@@ -1,7 +1,9 @@
 pandas (0.7.0~rc1+git183-gcc2a8a7-1) UNRELEASED; urgency=low
 
   * Testing fresh upstream snapshot prior release
-  * Updated pre-cythoned .c files for older Debian/Ubuntu releases
+  * Updated pre-cythoned .c files for older Debian/Ubuntu releases.
+    Added a stamp file with upstream version to assure up-to-dateness
+    of the generated files
   * Dropped all exclusions of unittests and patches -- shouldn't be necessary
     any longer
   * Build only for requested versions (not all supported) of Python

debian/cythonized-files/VERSION

@@ -0,0 +1 @@
+0.7.0~rc1+git183-gcc2a8a7

debian/rules

@@ -7,6 +7,7 @@ PACKAGE_ROOT_DIR = debian/${PACKAGE_NAME}
 PYVERS = $(shell pyversions -vr)
 PYVER = $(shell pyversions -vd)
 
+UVER := $(shell LC_ALL=C dpkg-parsechangelog | awk '/^Version:/{print $$2;}' | sed -e 's,-[^-]*$$,,g')
 CYTHONVER := $(shell dpkg -l cython | awk '/^ii/{print $$3;}' || echo 0)
 MPLVER := $(shell dpkg -l python-matplotlib | awk '/^ii/{print $$3;}' || echo 0)
 
@@ -23,6 +24,7 @@ cythonize:
 	find pandas/src -iname *.c -delete
 	python setup.py cython
 	cp pandas/src/*.c debian/cythonized-files
+	echo "$(UVER)" >| debian/cythonized-files/VERSION
 
 override_dh_auto_configure:
 	dpkg --compare-versions $(CYTHONVER) lt $(MIN_CYTHONVER) && { \
@@ -31,6 +33,8 @@ override_dh_auto_configure:
 	dh_auto_configure
 
 override_dh_clean:
+	: # Make sure that cythonized sources are up-to-date
+	[ "$(UVER)" = "`cat debian/cythonized-files/VERSION`" ]
 	rm -rf build doc/_build *-stamp # pandas.egg-info pandas/datasets/__config__.py
 	grep -l -e 'Generated by Cython' pandas/src/*.c | xargs -r rm -f
 	dh_clean