Use pre-defined variables from dpkg rather than manually scraping changelog

diff --git a/debian/rules b/debian/rules
index 9b8d5392a8d3c466abf4e6be68b1fc407831091a..d3ac32d9efc480bf1da81bd7f0ad2d65d646c09b 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -1,10 +1,12 @@
 #!/usr/bin/make -f
+
+include /usr/share/dpkg/default.mk
+
 export PYBUILD_NAME=pysam
 
-DEBPKGNAME := $(shell dpkg-parsechangelog | awk '/^Source:/ {print $$2}')
-TESTPKG    := $(DEBPKGNAME)-tests
+TESTPKG    := $(DEB_SOURCE)-tests
 
-HTSLIBDIR  := /usr/lib/$(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+HTSLIBDIR  := /usr/lib/$(DEB_HOST_MULTIARCH)
 export HTSLIB_LIBRARY_DIR=$(HTSLIBDIR)
 export HTSLIB_INCLUDE_DIR=/usr/include