# Knuts home directory (contains some libs/includes)
KHOME = /home/parallab/nersc/knutali

#Compiler -- F90
CF90 = /usr/bin/xlf95_r 

#Compiler -- F77
CF77 = $(CF90)

# Compiler -- C
CC=xlc

#Linker 
LD =  $(CF90)


#Paralellization opts
PARO = #-qsmp=omp

#Size defaults
SIZEO = -b64 -q64 -qrealsize=8
#SIZEO = -qrealsize=8 -qintsize=4

#Arch opts
#       -qarch=pwr4 -qtune=pwr4 -qcache=auto
ARCHO= -qarch=auto -qtune=auto -qcache=auto

#Optimalization opts
OPTO= -O3 -qstrict
OPTO=

#Inlining opts
#INLO= -qipa=inline=auto
INLO=

# Diverse options
DIVO= -qmaxmem=-1 -qnosave


# Flags for debugging. Remove optimization (OPTO above) to use debugging properly
#
# -g        -- turns on debugging ...
# -qflttrap -- Floating point operation traps
# -qextchk  -- Checks if subroutine args are consistent + common block checks
# -C        -- Checks array bounds 
# qinitauto=FF initializes all vars to NaN -- So that uninitialized vars can be detected
#
# No debugging 
DEBUG_FLAGS = 

# Debugging With underflow
#DEBUG_FLAGS = -C -qflttrap=underflow:overflow:zerodivide:invalid:enable  \
#              -qextchk -qinitauto=FF -g -qfullpath -qsigtrap
         
# Debugging Without underflow (zeroin routine sends segfault on underflow )
#DEBUG_FLAGS = -C -qflttrap=overflow:zerodivide:invalid:enable  \
#              -qextchk -qinitauto=FF -g -qfullpath -qsigtrap

#"Imprecise" debugging. The routine handles errors, but gives only an approximate location
#of the error... Upside: Code runs faster !
#DEBUG_FLAGS = -C -qflttrap=underflow:overflow:zerodivide:invalid:enable:imprecise  \
#              -qextchk -qinitauto=FF -g -qfullpath -qsigtrap

#"Imprecise" debugging. The routine handles errors, but gives only an approximate location
#of the error... Upside: Code runs faster !
#DEBUG_FLAGS = -C -qflttrap=overflow:zerodivide:invalid:enable:imprecise  \
#              -qextchk -qinitauto=FF -g -qfullpath -qsigtrap

#Profiling -- Not exactly  debugging ... used for xprofiler 
#DEBUG_FLAGS = -pg -g -qfullpath




CFLAGS = -q64
F77FLG = -qfixed                   
F90FLG = -qsuffix=f=f90 -qfree=f90  


CPPARCH = -DAIX 
LIBS = -lessl -L$(KHOME)/lib -lnetcdf64
INCLUDEDIR= -I$(KHOME)/include/


CPP = /usr/lib/cpp

FFLAGS    = $(SIZEO) $(OPTO) $(ARCHO) $(PARO)    $(INLO) $(DIVO) $(DEBUG_FLAGS) 
FFLAGS_NODEBUG    = $(SIZEO) $(OPTO) $(ARCHO) $(PARO)    $(INLO) $(DIVO) 
LINKFLAGS = $(SIZEO) $(OPTO) $(PARO) $(INLO) $(DIVO) $(DEBUG_FLAGS) -bloadmap:map.load