--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-01-30  John W. Eaton  <jwe@octave.org>
+
+	* configure.ac: Remove code to print warning for missing ARPACK.
+	* README.MacOS: Remove arpack from list of prerequisite software.
+
 2010-01-29  Rik  <octave@nomad.inbox5.com>
 
 	* NEWS: Deprecate saveimage function.

--- a/NEWS
+++ b/NEWS
@@ -416,6 +416,10 @@
   * For compatibility with Matlab, mu2lin (x) is now equivalent to
     mu2lin (x, 0).
 
+  * The ARPACK library is now distributed with Octave so it no longer
+    needs to be available as an external dependency when building
+    Octave.
+
 Summary of important user-visible changes for version 3.2:
 ---------------------------------------------------------
 

--- a/README.MacOS
+++ b/README.MacOS
@@ -152,7 +152,6 @@
 To build Octave's sources the list of Fink packages below need to be installed.
 
   aquaterm
-  arpack
   autoconf (>= 2.6.0)
   automake (>= 1.11)
   fftw3 (>= 3.1.1)

--- a/configure.ac
+++ b/configure.ac
@@ -2233,11 +2233,6 @@
   warn_msg_printed=true
 fi
 
-if test -n "$warn_arpack"; then
-  AC_MSG_WARN([$warn_arpack])
-  warn_msg_printed=true
-fi
-
 if test -n "$warn_curl"; then
   AC_MSG_WARN([$warn_curl])
   warn_msg_printed=true

--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2011-01-30  John W. Eaton  <jwe@octave.org>
+
+	* interpreter/install.txi (Compiling Octave with 64-bit	Indexing):
+	Remove info about ARPACK.
+
 2011-01-29  Rik  <octave@nomad.inbox5.com>
 
 	* interpreter/octave.texi: Add new subsection on FLTK interaction.

--- a/doc/interpreter/install.txi
+++ b/doc/interpreter/install.txi
@@ -140,9 +140,6 @@
 @item --without-camd
 Don't use @sc{camd}, disable some sparse matrix functionality.
 
-@item --without-arpack
-Don't use @sc{arpack}, disable @code{eigs} function.
-
 @item --without-colamd
 Don't use @sc{colamd}, disable some sparse matrix functionality.
 
@@ -402,56 +399,6 @@
 you installed the @sc{lapack} library as $prefix64/lib/liblapack.a.
 @end itemize
 
-@item @sc{arpack} (@url{http://www.caam.rice.edu/software/ARPACK})
-
-@itemize @minus
-@item
-In @file{ARmake.inc} set the following variables:
-
-@example
-@group
-home=path to directory @sc{arpack}
-FC=gfortran 
-FFLAGS=-fPIC -fdefault-integer-8
-MAKE=/usr/bin/make 
-ARPACKLIB=$(home)/libarpack.a
-DIRS=$(UTILdir) $(SRCdir)
-@end group
-@end example
-
-@item
-Edit the file @file{UTIL/second.f} and change the line
-
-@example
-EXTERNAL           ETIME
-@end example
-
-@noindent
-to
-
-@example
-INTRINSIC          ETIME
-@end example
-
-@item
-After building the @file{.a} library, you can make a shared version with
-
-@example
-@group
-mkdir tmp
-cd tmp
-ar x ../libarpack.a
-gcc -shared -o ../libarpack.so *.o -L$prefix64/lib \
-    -llapack -lblas 
-cd ..
-rm -rf tmp
-@end group
-@end example
-
-@noindent
-Copy the library @file{libarpack.so} to @file{$prefix64/lib/libarpack.a}.
-@end itemize
-
 @item QRUPDATE (@url{http://sourceforge.net/projects/qrupdate})
 
 In the @file{Makeconf} file:

--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,13 @@
+2011-01-30  John W. Eaton  <jwe@octave.org>
+
+	* Makefile.am (OCTAVE_LIBS): Remove $(ARPACK_LDFLAGS) and
+	$(ARPACK_LIBS) from the list.
+	(DLD-FUNCTIONS/eigs.df): Don't add $(ARPACK_CPPFLAGS) to CPPFLAGS.
+	(DLD_FUNCTIONS_eigs_la_CPPFLAGS): Remove $(ARPACK_CPPFLAGS) from
+	the list.
+	(DLD_FUNCTIONS_eigs_la_LIBADD): Remove $(ARPACK_LDFLAGS) and
+	$(ARPACK_LIBS) from the list.
+
 2011-01-30  John W. Eaton  <jwe@octave.org>
 
 	* load-save.cc (Fload): Doc fix.

--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -504,7 +504,6 @@
     ../libcruft/libranlib.la \
     ../libgnu/libgnu.la \
     $(SPARSE_XLDFLAGS) $(SPARSE_XLIBS) \
-    $(ARPACK_LDFLAGS) $(ARPACK_LIBS) \
     $(QRUPDATE_LDFLAGS) $(QRUPDATE_LIBS) \
     $(FFTW_XLDFLAGS) $(FFTW_XLIBS) \
     $(LAPACK_LIBS) $(BLAS_LIBS) \
@@ -531,7 +530,6 @@
     ../libgnu/libgnu.la \
     $(FFTW_XLDFLAGS) $(FFTW_XLIBS)
     $(QHULL_LDFLAGS) $(QHULL_LIBS) \
-    $(ARPACK_LDFLAGS) $(ARPACK_LIBS) \
     $(QRUPDATE_LDFLAGS) $(QRUPDATE_LIBS) \
     $(SPARSE_XLDFLAGS) $(SPARSE_XLIBS) \
     $(REGEX_LDFLAGS) $(REGEX_LIBS) \
@@ -797,9 +795,9 @@
 DLD_FUNCTIONS___voronoi___la_CPPFLAGS = $(AM_CPPFLAGS) $(QHULL_CPPFLAGS)
 DLD_FUNCTIONS___voronoi___la_LIBADD += $(QHULL_LDFLAGS) $(QHULL_LIBS)
 
-DLD-FUNCTIONS/eigs.df: CPPFLAGS += $(ARPACK_CPPFLAGS) $(SPARSE_XCPPFLAGS)
-DLD_FUNCTIONS_eigs_la_CPPFLAGS = $(AM_CPPFLAGS) $(ARPACK_CPPFLAGS) $(SPARSE_XCPPFLAGS)
-DLD_FUNCTIONS_eigs_la_LIBADD += $(ARPACK_LDFLAGS) $(ARPACK_LIBS) $(SPARSE_XLDFLAGS) $(SPARSE_XLIBS) $(LAPACK_LIBS) $(BLAS_LIBS)
+DLD-FUNCTIONS/eigs.df: CPPFLAGS += $(SPARSE_XCPPFLAGS)
+DLD_FUNCTIONS_eigs_la_CPPFLAGS = $(AM_CPPFLAGS) $(SPARSE_XCPPFLAGS)
+DLD_FUNCTIONS_eigs_la_LIBADD += $(SPARSE_XLDFLAGS) $(SPARSE_XLIBS) $(LAPACK_LIBS) $(BLAS_LIBS)
 
 #DLD-FUNCTIONS/qz.df DLD-FUNCTIONS/qz.lo:
 DLD_FUNCTIONS_qz_la_LIBADD += $(LAPACK_LIBS) $(BLAS_LIBS)