--- a/configure.orig	2020-06-23 13:02:34.000000000 +0200
+++ b/configure	2020-07-19 13:00:08.447871180 +0200
@@ -12101,10 +12101,10 @@
 ###############################################################################
 
 LIBDIR=lib
-BASELIBNAME=libpsb_base.a
-PRECLIBNAME=libpsb_prec.a
-METHDLIBNAME=libpsb_krylov.a
-UTILLIBNAME=libpsb_util.a
+BASELIBNAME=libpsb64_base.a
+PRECLIBNAME=libpsb64_prec.a
+METHDLIBNAME=libpsb64_krylov.a
+UTILLIBNAME=libpsb64_util.a
 
 ###############################################################################
 # Variable substitutions : the Make.inc.in will have these @VARIABLES@
--- a/Make.inc.orig.in	2021-04-13 16:54:47.000000000 +0200
+++ b/Make.inc.in	2021-04-14 19:19:17.346198652 +0200
@@ -64,7 +64,7 @@
 METHDMODNAME=@METHDMODNAME@
 UTILMODNAME=@UTILMODNAME@
 
-CBINDLIBNAME=libpsb_cbind.a
+CBINDLIBNAME=libpsb64_cbind.a
 
 
 @PSBLASRULES@
--- a/test/serial/Makefile.orig	2021-04-13 16:54:47.000000000 +0200
+++ b/test/serial/Makefile	2021-04-16 18:49:56.595706787 +0200
@@ -6,7 +6,7 @@
 MODDIR=$(INSTALLDIR)/modules/
 include $(INCDIR)/Make.inc.psblas
 LIBDIR=$(INSTALLDIR)/lib/
-PSBLAS_LIB= -L$(LIBDIR) -lpsb_util -lpsb_krylov -lpsb_prec -lpsb_base
+PSBLAS_LIB= -L$(LIBDIR) -lpsb64_util -lpsb64_krylov -lpsb64_prec -lpsb64_base
 LDLIBS=$(PSBLDLIBS)
 
 FINCLUDES=$(FMFLAG)$(MODDIR) $(FMFLAG).
--- a/test/hello/Makefile.orig	2021-04-13 16:54:47.000000000 +0200
+++ b/test/hello/Makefile	2021-04-16 18:53:43.607318360 +0200
@@ -5,7 +5,7 @@
 #
 # Libraries used
 LIBDIR=$(BASEDIR)/lib
-PSBLAS_LIB= -L$(LIBDIR) -lpsb_util -lpsb_krylov -lpsb_prec -lpsb_base 
+PSBLAS_LIB= -L$(LIBDIR) -lpsb64_util -lpsb64_krylov -lpsb64_prec -lpsb64_base 
 LDLIBS=$(PSBLDLIBS)
 #
 # Compilers and such