diff --git a/Make.inc b/Make.inc
index 87269cd9..b898b9f8 100644
--- a/Make.inc
+++ b/Make.inc
@@ -1,6 +1,6 @@
 .mod=.mod
 .fh=.fh
-.SUFFIXES: .f90 $(.mod) .F90
+.SUFFIXES: .f90 $(.mod) .F90 .F
 
 
 #######################  Section 1 #######################
@@ -78,8 +78,12 @@ $(.mod).o:
 	$(F90) $(F90COPT) $(INCDIRS) -c $<
 .f90.o:
 	$(F90) $(F90COPT) $(INCDIRS) -c $<
+.F.o:
+	$(F90) $(F90COPT) $(INCDIRS) $(FDEFINES) -c $<
 .F90.o:
 	$(F90) $(F90COPT) $(INCDIRS) $(FDEFINES) -c $<
+.F90$(.mod):
+	$(F90) $(F90COPT) $(INCDIRS) $(FDEFINES) -c $<
 
 
 
diff --git a/Makefile b/Makefile
index b4f2cafe..4d6e1793 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 include Make.inc
 PREC=../mld2p4
-#PREC=baseprec
+#PREC=prec
 
 library:
 	( [ -d lib ] || mkdir lib)
diff --git a/baseprec/Makefile b/prec/Makefile
similarity index 100%
rename from baseprec/Makefile
rename to prec/Makefile
diff --git a/baseprec/psb_dbaseprc_aply.f90 b/prec/psb_dbaseprc_aply.f90
similarity index 100%
rename from baseprec/psb_dbaseprc_aply.f90
rename to prec/psb_dbaseprc_aply.f90
diff --git a/baseprec/psb_dbjac_aply.f90 b/prec/psb_dbjac_aply.f90
similarity index 100%
rename from baseprec/psb_dbjac_aply.f90
rename to prec/psb_dbjac_aply.f90
diff --git a/baseprec/psb_ddiagsc_bld.f90 b/prec/psb_ddiagsc_bld.f90
similarity index 100%
rename from baseprec/psb_ddiagsc_bld.f90
rename to prec/psb_ddiagsc_bld.f90
diff --git a/baseprec/psb_dilu_bld.f90 b/prec/psb_dilu_bld.f90
similarity index 100%
rename from baseprec/psb_dilu_bld.f90
rename to prec/psb_dilu_bld.f90
diff --git a/baseprec/psb_dilu_fct.f90 b/prec/psb_dilu_fct.f90
similarity index 100%
rename from baseprec/psb_dilu_fct.f90
rename to prec/psb_dilu_fct.f90
diff --git a/baseprec/psb_dprc_aply.f90 b/prec/psb_dprc_aply.f90
similarity index 100%
rename from baseprec/psb_dprc_aply.f90
rename to prec/psb_dprc_aply.f90
diff --git a/baseprec/psb_dprecbld.f90 b/prec/psb_dprecbld.f90
similarity index 100%
rename from baseprec/psb_dprecbld.f90
rename to prec/psb_dprecbld.f90
diff --git a/baseprec/psb_dprecfree.f90 b/prec/psb_dprecfree.f90
similarity index 100%
rename from baseprec/psb_dprecfree.f90
rename to prec/psb_dprecfree.f90
diff --git a/baseprec/psb_dprecset.f90 b/prec/psb_dprecset.f90
similarity index 100%
rename from baseprec/psb_dprecset.f90
rename to prec/psb_dprecset.f90
diff --git a/baseprec/psb_dsp_renum.f90 b/prec/psb_dsp_renum.f90
similarity index 100%
rename from baseprec/psb_dsp_renum.f90
rename to prec/psb_dsp_renum.f90
diff --git a/baseprec/psb_prec_mod.f90 b/prec/psb_prec_mod.f90
similarity index 100%
rename from baseprec/psb_prec_mod.f90
rename to prec/psb_prec_mod.f90
diff --git a/baseprec/psb_prec_type.f90 b/prec/psb_prec_type.f90
similarity index 100%
rename from baseprec/psb_prec_type.f90
rename to prec/psb_prec_type.f90
diff --git a/baseprec/psb_zbaseprc_aply.f90 b/prec/psb_zbaseprc_aply.f90
similarity index 100%
rename from baseprec/psb_zbaseprc_aply.f90
rename to prec/psb_zbaseprc_aply.f90
diff --git a/baseprec/psb_zbjac_aply.f90 b/prec/psb_zbjac_aply.f90
similarity index 100%
rename from baseprec/psb_zbjac_aply.f90
rename to prec/psb_zbjac_aply.f90
diff --git a/baseprec/psb_zdiagsc_bld.f90 b/prec/psb_zdiagsc_bld.f90
similarity index 100%
rename from baseprec/psb_zdiagsc_bld.f90
rename to prec/psb_zdiagsc_bld.f90
diff --git a/baseprec/psb_zilu_bld.f90 b/prec/psb_zilu_bld.f90
similarity index 100%
rename from baseprec/psb_zilu_bld.f90
rename to prec/psb_zilu_bld.f90
diff --git a/baseprec/psb_zilu_fct.f90 b/prec/psb_zilu_fct.f90
similarity index 100%
rename from baseprec/psb_zilu_fct.f90
rename to prec/psb_zilu_fct.f90
diff --git a/baseprec/psb_zprc_aply.f90 b/prec/psb_zprc_aply.f90
similarity index 100%
rename from baseprec/psb_zprc_aply.f90
rename to prec/psb_zprc_aply.f90
diff --git a/baseprec/psb_zprecbld.f90 b/prec/psb_zprecbld.f90
similarity index 100%
rename from baseprec/psb_zprecbld.f90
rename to prec/psb_zprecbld.f90
diff --git a/baseprec/psb_zprecfree.f90 b/prec/psb_zprecfree.f90
similarity index 100%
rename from baseprec/psb_zprecfree.f90
rename to prec/psb_zprecfree.f90
diff --git a/baseprec/psb_zprecset.f90 b/prec/psb_zprecset.f90
similarity index 100%
rename from baseprec/psb_zprecset.f90
rename to prec/psb_zprecset.f90
diff --git a/baseprec/psb_zsp_renum.f90 b/prec/psb_zsp_renum.f90
similarity index 100%
rename from baseprec/psb_zsp_renum.f90
rename to prec/psb_zsp_renum.f90