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use GNUMake set-if-unset construct (?=) for build variables #1

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use GNUMake set-if-unset construct (?=) for build variables #1

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74 changes: 37 additions & 37 deletions Make_defs
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Original file line number Diff line number Diff line change
@@ -1,32 +1,32 @@
# output name
MURaM_HOME_DIR=/u/damp/MURaM_GPU/MURaM_main/
MURaM_HOME_DIR ?= /u/damp/MURaM_GPU/MURaM_main/

# FFT = FFTW or HEFFTE or HEFFTE_CPU
FFT_MODE=FFTW #HEFFTE_CPU
CUDA_HOME=/mpcdf/soft/SLE_15/packages/x86_64/nvhpcsdk/21.11/Linux_x86_64/21.11/cuda/11.5
CUDATOOLS=/mpcdf/soft/SLE_15/packages/x86_64/nvhpcsdk/21.11/Linux_x86_64/21.11/math_libs/11.5
FFT_MODE ?= FFTW #HEFFTE_CPU
CUDA_HOME ?= /mpcdf/soft/SLE_15/packages/x86_64/nvhpcsdk/21.11/Linux_x86_64/21.11/cuda/11.5
CUDATOOLS ?= /mpcdf/soft/SLE_15/packages/x86_64/nvhpcsdk/21.11/Linux_x86_64/21.11/math_libs/11.5

FFTW3_HOME=/u/damp/lib/fftw3310/nvhpc_21.11_ompi_4.1.2_UCX_gpfs_O3
HEFFTE_HOME=/u/damp/lib/heffte_fftw3310/nvhpc_21.11_ompi_4.1.2_UCX_gpfs_O3_nogpud
FFTW3_HOME ?= /u/damp/lib/fftw3310/nvhpc_21.11_ompi_4.1.2_UCX_gpfs_O3
HEFFTE_HOME ?= /u/damp/lib/heffte_fftw3310/nvhpc_21.11_ompi_4.1.2_UCX_gpfs_O3_nogpud

PROGRAM = mhd3d.x
PROGRAM ?= mhd3d.x

# Optimization option
OPT = -O0 -acc -gpu=cc80,nofma,lineinfo -Minfo=accel -Mnofma -std=c++11
OPT ?= -O0 -acc -gpu=cc80,nofma,lineinfo -Minfo=accel -Mnofma -std=c++11

# Debugging option (for development) use -pg -g3
DBG = -Wall
DBG ?= -Wall

# FILEPATH option (default: ./) - This is useful
# to write files to special directories on some machines
FILEPATH = ./
FILEPATH ?= ./

# Machine architecture
ARCH = rs6000
ARCH ?= rs6000
########################################################

######## Custom Flags for MURaM ########################
CUSTOM_FLAGS = -DMURAM_$(FFT_MODE)
CUSTOM_FLAGS ?= -DMURAM_$(FFT_MODE)

######## The shell command #############################
SHELL=/bin/sh
Expand All @@ -35,17 +35,17 @@ SHELL=/bin/sh
ifdef FFTW3_HOME

FFTWHOME = $(FFTW3_HOME)
FFTWLIBDIR = -L$(FFTWHOME)/lib
FFTWINCDIR = -I$(FFTWHOME)/include
FFTWLIBDIR ?= -L$(FFTWHOME)/lib
FFTWINCDIR ?= -I$(FFTWHOME)/include

ifeq ($(FFT_MODE), FFTW)
FFTWLIB = -lfftw3_mpi -lfftw3_threads -lfftw3
FFTWLIB ?= -lfftw3_mpi -lfftw3_threads -lfftw3
endif
ifeq ($(FFT_MODE), HEFFTE_CPU)
FFTWLIB = -lfftw3 -lfftw3f
FFTWLIB ?= -lfftw3 -lfftw3f
endif
ifeq ($(FFT_MODE), HEFFTE)
FFTWLIB = -lfftw3 -lfftw3f
FFTWLIB ?= -lfftw3 -lfftw3f
endif

else
Expand All @@ -57,12 +57,12 @@ endif
########################################################
ifdef CUDA_HOME
CUDAHOME = $(CUDA_HOME)
CUDAFFT = -lcufft
CUDAFFTLIB = -L$(CUDATOOLS)/lib64
CUDAFFTINC = -I$(CUDATOOLS)/include
CUDALIB = -lcudart
CUDALIBDIR = -L$(CUDAHOME)/lib64
CUDAINCDIR = -I$(CUDAHOME)/include
CUDAFFT ?= -lcufft
CUDAFFTLIB ?= -L$(CUDATOOLS)/lib64
CUDAFFTINC ?= -I$(CUDATOOLS)/include
CUDALIB ?= -lcudart
CUDALIBDIR ?= -L$(CUDAHOME)/lib64
CUDAINCDIR ?= -I$(CUDAHOME)/include
else
CUDAHOME =
CUDALIB =
Expand All @@ -73,9 +73,9 @@ endif
ifdef HEFFTE_HOME

HEFFTEHOME = $(HEFFTE_HOME)
HEFFTELIBDIR = -L$(HEFFTEHOME)/lib
HEFFTEINCDIR = -I$(HEFFTEHOME)/include
HEFFTELIB = -lheffte
HEFFTELIBDIR ?= -L$(HEFFTEHOME)/lib
HEFFTEINCDIR ?= -I$(HEFFTEHOME)/include
HEFFTELIB ?= -lheffte

else
HEFFTEHOME =
Expand All @@ -84,7 +84,7 @@ HEFFTELIBDIR =
HEFFTEINCDIR =
endif
########################################################
MASSLIB =
MASSLIB =

######### MPI options ##################################
MPIHOME=
Expand All @@ -98,10 +98,11 @@ MPIOINCDIR=
MPIOLIB=

######### General options ##############################

DEFS = $(OPT) $(CUSTOM_FLAGS) $(DBG) $(PRE)

INCLUDES = -I../ -I$(MURaM_HOME_DIR)/include -I$(MURaM_HOME_DIR)/src/rt $(MPIINCDIR) $(MPIOINCDIR) \
INCLUDES = -I../ -I$(MURaM_HOME_DIR)/include -I$(MURaM_HOME_DIR)/src/rt \
$(MPIINCDIR) $(MPIOINCDIR) \
$(HEFFTEINCDIR) $(FFTWINCDIR) $(CUDAINCDIR) $(CUDAFFTINC)

LIBS = $(MPILIBDIR) $(MPIOLIB) $(MPILIB) \
Expand All @@ -112,20 +113,20 @@ LIBS = $(MPILIBDIR) $(MPIOLIB) $(MPILIB) \
$(MASSLIB) -lm

######### C options #####################################
CC = mpicc
LD = mpic++
CCC = mpic++
CC ?= mpicc
LD ?= mpic++
CCC ?= mpic++

CFLAGS = $(DEFS) $(INCLUDES)
CCFLAGS = $(CFLAGS)

LDFLAGS = $(DEFS)
LDFLAGS = $(DEFS)
LDFLAGS += $(LIBS)

######## Mixed command #################################
RM = rm
AR = ar
RANLIB = ranlib
RM ?= rm
AR ?= ar
RANLIB ?= ranlib

######### Suffix rules ########################################
.SUFFIXES : .o .cc .c .C .cpp .c++
Expand All @@ -140,4 +141,3 @@ RANLIB = ranlib
$(CCC) $(CCFLAGS) -c $<
.cc.o:
$(CCC) $(CCFLAGS) -c $<