diff -Nurd ARPACK/ARmake.inc ARPACK.patched/ARmake.inc
--- ARPACK/ARmake.inc	1996-04-26 15:12:57.000000000 -0400
+++ ARPACK.patched/ARmake.inc	2011-09-15 11:32:22.000000000 -0400
@@ -34,6 +34,11 @@
 #
 PLAT = SUN4
 #
+#  The communication library ( need for parallel library only )
+#  Current availible platforms are: BLACS or MPI
+#
+COMMLIB       = MPI
+#
 #  %------------------------------------------------------%
 #  | The directories to find the various pieces of ARPACK |
 #  %------------------------------------------------------%
@@ -42,6 +47,8 @@
 LAPACKdir    = $(home)/LAPACK
 UTILdir      = $(home)/UTIL
 SRCdir       = $(home)/SRC
+PSRCdir      = $(home)/PARPACK/SRC/$(COMMLIB)
+PUTILdir     = $(home)/PARPACK/UTIL/$(COMMLIB)
 #
 DIRS        = $(BLASdir) $(LAPACKdir) $(UTILdir) $(SRCdir)
 #
@@ -51,17 +58,22 @@
 # | NOTE: ARPACK assumes the use of LAPACK version 2 codes.           |
 # %-------------------------------------------------------------------%
 #
-#DIRS         = $(UTILdir) $(SRCdir)
+DIRS         = $(UTILdir) $(SRCdir)
 #
 # %---------------------------------------------------%
 # | The name of the libraries to be created/linked to |
 # %---------------------------------------------------%
 #
-ARPACKLIB  = $(home)/libarpack_$(PLAT).a
-LAPACKLIB = 
-BLASLIB = 
+ARPACKLIB  = $(home)/libarpack.a
+ARPACKDYLIB = $(home)/libarpack.dylib
+PARPACKLIB = $(home)/libparpack.a
+LAPACKLIB = @LAPACKLIB@
+BLASLIB =  @BLASLIB@
 #
 ALIBS =  $(ARPACKLIB) $(LAPACKLIB) $(BLASLIB) 
+MPILIBS = 
+PLIBS = $(PARPACKLIB) $(ALIBS) $(MPILIBS)
+
 #
 # 
 # %---------------------------------------------------------%
@@ -91,9 +103,9 @@
 # |  Command to build .o files from .f files. |
 # %-------------------------------------------%
 #
-.f.o:
-	@$(ECHO) Making $@ from $<
-	@$(FC) -c $(FFLAGS) $<
+#.f.o:
+#	@$(ECHO) Making $@ from $<
+#	@$(FC) -c $(FFLAGS) $<
 #
 # %-----------------------------------------%
 # | Various compilation programs and flags. |
@@ -101,10 +113,10 @@
 # | for your system.                        |
 # %-----------------------------------------%
 #
-FC      = f77
-FFLAGS	= -O -cg89
+FC      = FINKPREFIX/bin/gfortran-fsf-4.6
+FFLAGS	= -O -fPIC -single_module @FF2C@
 
-LDFLAGS = 
+LDFLAGS = @LDFLAGS@
 CD      = cd
 
 ECHO    = echo
@@ -112,7 +124,7 @@
 LN      = ln
 LNFLAGS = -s
 
-MAKE    = /bin/make
+MAKE    = make
 
 RM      = rm
 RMFLAGS = -f
diff -Nurd ARPACK/UTIL/second.f ARPACK.patched/UTIL/second.f
--- ARPACK/UTIL/second.f	1995-10-02 14:56:44.000000000 -0400
+++ ARPACK.patched/UTIL/second.f	2011-09-15 10:53:32.000000000 -0400
@@ -20,15 +20,15 @@
       REAL               TARRAY( 2 )
 *     ..
 *     .. External Functions ..
-      REAL               ETIME
-      EXTERNAL           ETIME
+*      REAL               ETIME
+*      EXTERNAL           ETIME
 *     ..
 *     .. Executable Statements ..
 *
 
-      T1 = ETIME( TARRAY )
-      T  = TARRAY( 1 )
-
+*     T1 = ETIME( TARRAY )
+*      T  = TARRAY( 1 )
+      T  = 1
       RETURN
 *
 *     End of SECOND
diff -Nurd ARPACK/Makefile ARPACK.patched/Makefile
--- ARPACK/Makefile	1996-09-24 10:55:31.000000000 -0400
+++ ARPACK.patched/Makefile	2011-09-15 10:53:32.000000000 -0400
@@ -64,6 +64,12 @@
 	done );
 	$(RANLIB) $(ARPACKLIB)
 
+arpackdylib:	arpacklib tmp
+	( cd tmp; ar -x $(ARPACKLIB) )
+	( $(FC) $(FFLAGS) $(LDFLAGS) -dynamiclib -install_name FINKPREFIX/lib/libarpack.0.dylib -compatibility_version 1.1.0 -current_version 1.1.0 -o $(ARPACKDYLIB) @LAPACKLINK@ @BLASLINK@ -Wl,@LOAD@,$(ARPACKLIB) )
+
+tmp:
+	( mkdir tmp )
 cleantest:
 
 cleanlib: