diff -urN ARPACK.orig/configure.in ARPACK.patch/configure.in
--- ARPACK.orig/configure.in 1970-01-01 01:00:00.000000000 +0100
-+++ ARPACK.patch/configure.in 2004-12-06 12:20:30.639483600 +0100
++++ ARPACK.patch/configure.in 2004-12-16 12:04:25.922290400 +0100
@@ -0,0 +1,12 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT([arpack], [2.1.0])
+AC_OUTPUT([Makefile SRC/Makefile])
diff -urN ARPACK.orig/Makefile.am ARPACK.patch/Makefile.am
--- ARPACK.orig/Makefile.am 1970-01-01 01:00:00.000000000 +0100
-+++ ARPACK.patch/Makefile.am 2004-12-06 12:20:22.947652936 +0100
++++ ARPACK.patch/Makefile.am 2004-12-16 12:04:25.947286600 +0100
@@ -0,0 +1 @@
+SUBDIRS=SRC
diff -urN ARPACK.orig/SRC/Makefile.am ARPACK.patch/SRC/Makefile.am
--- ARPACK.orig/SRC/Makefile.am 1970-01-01 01:00:00.000000000 +0100
-+++ ARPACK.patch/SRC/Makefile.am 2004-12-06 12:25:31.462751512 +0100
++++ ARPACK.patch/SRC/Makefile.am 2004-12-16 12:08:47.655500904 +0100
@@ -0,0 +1,74 @@
-+LIBTOOL = $(SHELL) $(top_builddir)/libtool --tag=F77
++LIBTOOL = $(SHELL) $(top_builddir)/libtool $(LTTAG)
+lib_LTLIBRARIES = libarpack.la
+libarpack_la_LDFLAGS = -version-info $(subst .,:,@VERSION@)
-+libarpack_la_LIBADD =-lblas
++libarpack_la_LIBADD =$(LDFLAGS)
+libarpack_la_SOURCES= \
+ cgetv0.f cnaitr.f cnapps.f cnaup2.f cnaupd.f cneigh.f cneupd.f\
+ cngets.f csortc.f cstatn.f debug.h dgetv0.f dlaqrb.f dnaitr.f\