X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=developers-reference.git;a=blobdiff_plain;f=debian%2Frules;h=6d1d1eeb8965bafd1c9cdc947a8394995fd8d4e4;hp=693197cf177cdabe2fdfc0219061b43d59b1403f;hb=063043345ff03756854d847e2f0c8e3d376cabb6;hpb=758d81925a9c87a4725ea74952aec5009f224a86

diff --git a/debian/rules b/debian/rules
index 693197c..6d1d1ee 100755
--- a/debian/rules
+++ b/debian/rules
@@ -25,8 +25,20 @@ compress	:= gzip -9f
 DEB_VERSION	:= $(shell LC_ALL=C dpkg-parsechangelog | grep ^Version: | sed 's/^Version: *//')
 DATE		:= $(shell date +"%Y-%m-%d")
 
-
-build:
+# source depends -- check if these packages are installed
+SRC_DEPENDS	:= debiandoc-sgml lout psutils
+
+.PHONY: source-depends
+source-depends:
+	@set -e								;\
+	for dep in $(SRC_DEPENDS); do					\
+	    echo "checking if package \`$$dep' is installed..."		;\
+	    dpkg --get-selections | grep "$$dep[[:space:]]\+install" ||	\
+		exit 1							;\
+	done
+	@echo "all source-depends seem to be installed, good"
+
+build:	source-depends
 	$(checkdir)
 	rm -f version.ent
 	echo "<!entity version \"$(DEB_VERSION)\">" >> version.ent