Makefile_intel

ifdef MPI
FC = mpiifort
CC = mpiicc
CXX = mpiicpc
else
FC = ifort
CXX = icpc
CC = icc
endif

CPP = $(CC)
LD = $(FC)
LDSHARED = $(LD) -shared

# Archive tool
AR = ar rv


# default flags
# --------------
# fpp                    : perform preprocessing
# fpic                   : shared object libraries
# assume noold_maxminloc : in intel v16 compilers, they changed the default behavior of minloc (ffs).
# 						   this flag is necessary to ensure consistent behavior across compilers
FFLAGS += -fpp -fpic -assume noold_maxminloc -heap-arrays
CXXFLAGS += -std=c++11 -fpic
# nofor_main 	         : essential for linking c++ and fortran
LDFLAGS += -nofor-main
LDLIBS += -cxxlib

ifdef DEBUG
# Debugging mode
# --------------
# g              : enable gnu debugger compatibility
# O0             : no optimisation
# traceback      : create a backtrace on system failure
# check all      : all checks (whilst compiling)
# warn all       : all warnings (whilst running)
# ftrapuv        : Traps uninitialized variables by setting them to very large values
# debug all      : additional debugging information
# gen-interfaces : generate an interface block for each routine
# warn-interfaces: warn on these interface blocks
# fpe0           : halts program if dividing by zero, etc
FFLAGS += -g -O0 -traceback -check all,noarg_temp_created -warn all -ftrapuv -debug all -gen-interfaces -warn-interfaces
CXXFLAGS += -g -O0 -traceback -Wcheck -Wremarks -Wall -Weffc++ -ftrapuv -debug all
LDFLAGS += -g
else
# Optimised mode
# --------------
#   ipo          : interprocedural optimization (optimize entire program)
#   O3           : maximum optimisation
#   no-prec-div  : slightly less precise floating point divides, but speeds up
#   static       : link intel libraries statically
#   xHost        : maximise architecture usage
#   w            : turn off all warnings
#   vec-report0  : disables printing of vectorizer diagnostic information
#   opt-report0  : disables printing of optimization reports
IPO = -ipo
FFLAGS += $(IPO) -O3 -no-prec-div $(HOST) -w -vec-report0 -qopt-report0
CXXFLAGS += $(IPO) -O3 -no-prec-div $(HOST) -w -vec-report0 -qopt-report0

ifdef IPO
# Archive tool for compiling with ipo.
AR = xiar rv
endif

endif