--- MITgcm/optim/Makefile	2004/03/04 17:59:17	1.3
+++ MITgcm/optim/Makefile	2008/10/01 15:35:37	1.8
@@ -16,6 +16,7 @@
 			optim_readdata.F		\
 			optim_writedata.F		\
 			optim_write_control.F		\
+			xerbla.F                        \
 			simul.F
 
 EXEDIR     = ./
@@ -43,6 +44,7 @@
 CPPFLAGS = -DREAL_BYTE=4		\
 	-DMAX_INDEPEND=1000000		\
 	-D_RL='double precision'	\
+	-D_RS='double precision'	\
 	-D$(OPTMODE)
 
 #                -DMAX_INDEPEND=293570968        \
@@ -50,6 +52,10 @@
 # default is (Linux)
 FC              = f77
 
+# ifort compilers
+#FC              = ifort
+#FFLAGS          = -mp -132 -r8 -i4 -w95 -W0 -WB -CB -fpe0 -traceback -convert big_endian -assume byterecl
+
 # SGI o3k IRIX64
 #FC              = f77
 #FFLAGS          = -extend_source -bytereclen -mips4 -r8 -static
@@ -76,6 +82,8 @@
 # The normal chain of rules is (  .F - .f - .o  )
 .F.f:
 	$(CPP) $(CPPFLAGS) $(INCLUDEDIRS) > $@
+xerbla.f: xerbla.F
+	$(CPP) $(INCLUDEDIRS) > $@
 .f.o:
 	$(FC) $(FFLAGS) -c $<