diff -u yiff-2.12.4/debian/rules yiff-2.12.4/debian/rules
--- yiff-2.12.4/debian/rules
+++ yiff-2.12.4/debian/rules
@@ -11,27 +11,23 @@
 #export LD_LIBRARY_PATH=$(PWD)/libY2
 VERSION=12
 
-# used by dh_makeshlibs for proper dependencies
-DEBIAN_YIFF_COMPATABILITY_VERSION=2.12.4-3
-DEBIAN_NEXT_YIFF_VERSION=2.13.1
-
 build: build-stamp
 build-stamp: config-stamp
 	dh_testdir
-	cd libY2;$(MAKE) -f Makefile.Linux;cd ..
-	cd yiffutils;$(MAKE) -f Makefile.Linux;cd ..
-	cd yiff;$(MAKE) -f Makefile.Linux;cd ..
-	cd yiffconfig;$(MAKE) -f Makefile.Linux;cd ..
+	cd libY2;$(MAKE) -f Makefile.Linux
+	cd yiffutils;$(MAKE) -f Makefile.Linux
+	cd yiff;$(MAKE) -f Makefile.Linux
+	cd yiffconfig;$(MAKE) -f Makefile.Linux
 	touch build-stamp
 
 clean: unpatch
 	dh_testdir
 	dh_testroot
 	rm -f build-stamp
-	cd libY2;$(MAKE) -f Makefile.Linux clean;rm -f libY2.so*;cd ..
-	cd yiff;$(MAKE) -f Makefile.Linux clean;cd ..
-	cd yiffconfig;$(MAKE) -f Makefile.Linux clean;cd ..
-	cd yiffutils;$(MAKE) -f Makefile.Linux clean;cd ..
+	cd libY2;$(MAKE) -f Makefile.Linux clean;rm -f libY2.so*
+	cd yiff;$(MAKE) -f Makefile.Linux clean
+	cd yiffconfig;$(MAKE) -f Makefile.Linux clean
+	cd yiffutils;$(MAKE) -f Makefile.Linux clean
 	rm -f config-stamp
 	rm -fr debian/patched
 	dh_clean
@@ -55,7 +51,7 @@
 			debian/yiff-server/usr/bin/$$i; \
 	  done )
 	install -p -o root -g root -m 644 libY2/libY2.so.$(VERSION) \
-			debian/liby2/usr/lib/libY2.so.$(VERSION)
+			debian/liby2-$(VERSION)/usr/lib/libY2.so.$(VERSION)
 	ln -s libY2.so.$(VERSION) debian/liby-dev/usr/lib/libY2.so
 	install -p -o root -g root -m 644 include/Y2/Y.h \
 			debian/liby-dev/usr/include/Y2/Y.h
@@ -137,7 +133,7 @@
 	dh_strip
 	dh_compress
 	dh_fixperms
-	dh_makeshlibs --version-info='liby2 (>=${DEBIAN_YIFF_COMPATABILITY_VERSION}), liby2 (<<${DEBIAN_NEXT_YIFF_VERSION})'
+	dh_makeshlibs -V
 	dh_installdeb
 #	dh_perl
 	dh_shlibdeps
reverted:
--- yiff-2.12.4/debian/liby2.dirs
+++ yiff-2.12.4.orig/debian/liby2.dirs
@@ -1 +0,0 @@
-usr/lib
diff -u yiff-2.12.4/debian/changelog yiff-2.12.4/debian/changelog
--- yiff-2.12.4/debian/changelog
+++ yiff-2.12.4/debian/changelog
@@ -1,3 +1,14 @@
+yiff (2.12.4-7.1) unstable; urgency=low
+
+  * NMU
+  * fix shlibs, really
+  * conflict with liby2 >> 2.06-3, which existed in Debian.
+  * remove the <= kind of shlibs file construct
+  * remove the unnecessary final cd .. in the debian/rules.
+  * debian/rules: install directory is debian/liby2-$(VERSION)/
+
+ -- Junichi Uekawa <dancer@debian.org>  Mon,  1 Apr 2002 14:26:21 +0900
+
 yiff (2.12.4-7) unstable; urgency=low
 
   * Amended shlibs to fix upgrade problems (closes: #138815)
diff -u yiff-2.12.4/debian/control yiff-2.12.4/debian/control
--- yiff-2.12.4/debian/control
+++ yiff-2.12.4/debian/control
@@ -21,12 +21,12 @@
  More information can be found at the YIFF web site
  http://wolfpack.twu.net/YIFF/ .
 
-Package: liby2
+Package: liby2-12
 Architecture: any
 Depends: ${shlibs:Depends}
 Suggests: yiff-server (>= ${Source-Version})
 Section: libs
-Conflicts: libyiff2
+Conflicts: libyiff2, liby2 (>> 2.06-3)
 Replaces: libyiff2
 Description: Y Sound Server Library
  YIFF is a network based and multi client connection system that
@@ -40,7 +40,7 @@
 Package: liby-dev
 Architecture: any
 Section: devel
-Depends: liby2 (= ${Source-Version})
+Depends: liby2-12 (= ${Source-Version})
 Conflicts: libyiff2-dev, liby2-dev
 Replaces: libyiff2-dev, liby2-dev, liby2 (<= 2.12.4-2)
 Description: Y Sound Server Library Header Files
only in patch2:
--- yiff-2.12.4.orig/debian/liby2-12.dirs
+++ yiff-2.12.4/debian/liby2-12.dirs
@@ -0,0 +1 @@
+usr/lib