AmpTools/Makefile.settings at master · mashephe/AmpTools · GitHub

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#########  DEFAULT COMPILER SETTINGS

CXX := gcc
CXX_FLAGS := -O3

# If the source tree is a git repository, this will use the git
# functions to embed the AmpTools version into the splash screen.
NO_GIT := $(shell git status >& /dev/null; echo $$?)
ifeq ($(NO_GIT),0)
GIT_VERSION := "$(shell git describe --abbrev=4 --dirty --always --tags)"
else
GIT_VERSION := "unknown"
endif
CXX_FLAGS += -DATVERSION=\"$(GIT_VERSION)\"
#########  END DEFAULT COMPILER SETTINGS

#########  USER BUILD SETTINGS
# These can be used to control preprocessor definitons to control
# the compilation of the code.

# Default behavior is to build with double precision stoarge for
# event-level data like amplitudes and kinematics -- speed and
# memory use can be optimized by make FP32=1 but at a risk of
# numerical issues in the minimization algorithm.

ifdef FP32
CXX_DEFINES := -DAMPTOOLS_GDOUBLE_FP32
else
CXX_DEFINES := -DAMPTOOLS_GDOUBLE_FP64
endif

# This option is here to so that likelihood values for the current
# version can be compared with those from version 0.13.1 and prior.
# At some point this build option will be deprecated.

ifdef LEGACY_LN_LIK
CXX_DEFINES += -DUSE_LEGACY_LN_LIK_SCALING
endif

CXX_FLAGS += $(CXX_DEFINES)
#########  END USER BUILD SETTINGS

#########  MPI COMPILER SETTINGS
# to use MPI, an MPI compiler should be in the user path -- this will be used
# to compile MPI executables.  In the project libraries (amplitudes, etc.)
# there should be no MPI specific code.

ifdef MPI
MPICXX := mpicxx
endif

######### END MPI SETTINGS


#########  GPU / CUDA COMPILER SETTINGS
# to use CUDA the environment variable CUDA_INSTALL_PATH must be defined
# and the proper architecture specified for the GPU.  In addition
# the nvcc compiler (likely in $CUDA_INSTALL_PATH/bin) needs to be in
# the user's path

NVCC :=  nvcc
NVCC_FLAGS := -m64 $(CXX_DEFINES)

ifndef GPU_ARCH
GPU_ARCH := sm_70
endif

NVCC_FLAGS += -arch=$(GPU_ARCH)

ifdef GPU  # otherwise these variables will be empty to avoid problems

ifndef CUDA_INSTALL_PATH
$(error GPU build requested but CUDA_INSTALL_PATH is not defined.)
endif

# the path to cuda specific libraries can vary with architecture
CUDA_LIBS := -L$(CUDA_INSTALL_PATH)/lib64
CUDA_LINK := -lcudart

CXX_FLAGS += -DGPU_ARCH=\"$(GPU_ARCH)\"

endif

######### END GPU / CUDA SETTINGS


######### GENERAL CHECKS

# check for verbose output
ifdef VERBOSE
  Q :=
  vecho = @true
else
  Q := @
  vecho = @echo
endif