diff -u tkpng-0.9/debian/changelog tkpng-0.9/debian/changelog
--- tkpng-0.9/debian/changelog
+++ tkpng-0.9/debian/changelog
@@ -1,3 +1,9 @@
+tkpng (0.9-1ubuntu1) oneiric; urgency=low
+
+  * Fix FTBFS with ld --as-needed. Closes: #639284. LP: #832926.
+
+ -- Matthias Klose <doko@ubuntu.com>  Mon, 12 Sep 2011 23:50:27 +0000
+
 tkpng (0.9-1) unstable; urgency=low
 
   * Initial release.
diff -u tkpng-0.9/debian/rules tkpng-0.9/debian/rules
--- tkpng-0.9/debian/rules
+++ tkpng-0.9/debian/rules
@@ -32,7 +32,8 @@
 	--with-tclinclude=/usr/include/tcl8.5/ \
 	--with-tkinclude=/usr/include/tcl8.5/ \
 	CFLAGS="$(CFLAGS)" \
-	LDFLAGS="-lm -Wl,-z,defs -Wl,--no-undefined -Wl,--as-needed"
+	LDFLAGS="-Wl,-z,defs -Wl,--no-undefined -Wl,--as-needed" \
+	LIBS="-lm"
 	touch $@
 
 build: build-stamp