CoreNeuron/CMake/MakefileBuildOptions.cmake at e291683db9ff656badd9929d5fe86f0fbc33ad8b · BlueBrain/CoreNeuron · GitHub

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# =============================================================================
# Copyright (C) 2016-2021 Blue Brain Project
#
# See top-level LICENSE file for details.
# =============================================================================

# =============================================================================
# Common CXX and ISPC flags
# =============================================================================

# ISPC should compile with --pic by default
set(CMAKE_ISPC_FLAGS "${CMAKE_ISPC_FLAGS} --pic")

# =============================================================================
# NMODL CLI options : common and backend specific
# =============================================================================
# ~~~
# if user pass arguments then use those as common arguments
# note that inlining is done by default
# ~~~
set(NMODL_COMMON_ARGS "passes --inline")

if(NOT "${CORENRN_NMODL_FLAGS}" STREQUAL "")
  set(NMODL_COMMON_ARGS "${NMODL_COMMON_ARGS} ${CORENRN_NMODL_FLAGS}")
endif()

set(NMODL_CPU_BACKEND_ARGS "host --c")
set(NMODL_ISPC_BACKEND_ARGS "host --ispc")
set(NMODL_ACC_BACKEND_ARGS "host --c acc --oacc")

# =============================================================================
# Extract Compile definitions : common to all backend
# =============================================================================
get_directory_property(COMPILE_DEFS COMPILE_DEFINITIONS)
if(COMPILE_DEFS)
  set(CORENRN_COMMON_COMPILE_DEFS "")
  foreach(flag ${COMPILE_DEFS})
    set(CORENRN_COMMON_COMPILE_DEFS "${CORENRN_COMMON_COMPILE_DEFS} -D${flag}")
  endforeach()
endif()

# =============================================================================
# link flags : common to all backend
# =============================================================================
# ~~~
# find_cuda uses FindThreads that adds below imported target we
# shouldn't add imported target to link line
# ~~~
list(REMOVE_ITEM CORENRN_LINK_LIBS "Threads::Threads")

# replicate CMake magic to transform system libs to -l<libname>
foreach(link_lib ${CORENRN_LINK_LIBS})
  if(${link_lib} MATCHES "\-l.*")
    string(APPEND CORENRN_COMMON_LDFLAGS " ${link_lib}")
    continue()
  endif()
  get_filename_component(path ${link_lib} DIRECTORY)
  if(NOT path)
    string(APPEND CORENRN_COMMON_LDFLAGS " -l${link_lib}")
  elseif("${path}" MATCHES "^(/lib|/lib64|/usr/lib|/usr/lib64)$")
    get_filename_component(libname ${link_lib} NAME_WE)
    string(REGEX REPLACE "^lib" "" libname ${libname})
    string(APPEND CORENRN_COMMON_LDFLAGS " -l${libname}")
  else()
    string(APPEND CORENRN_COMMON_LDFLAGS " ${link_lib}")
  endif()
endforeach()

# =============================================================================
# compile flags : common to all backend
# =============================================================================
# PGI compiler adds --c++14;-A option for C++14, remove ";"
string(REPLACE ";" " " CXX14_STD_FLAGS "${CMAKE_CXX14_STANDARD_COMPILE_OPTION}")
string(TOUPPER "${CMAKE_BUILD_TYPE}" _BUILD_TYPE)
set(CORENRN_CXX_FLAGS
    "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${_BUILD_TYPE}} ${CXX14_STD_FLAGS} ${NVHPC_ACC_COMP_FLAGS} ${NVHPC_CXX_INLINE_FLAGS}"
)
set(CORENRN_LD_FLAGS "${NVHPC_ACC_LINK_FLAGS}")

# =============================================================================
# nmodl/mod2c related options : TODO
# =============================================================================
# name of nmodl/mod2c binary
get_filename_component(nmodl_name ${CORENRN_MOD2CPP_BINARY} NAME)
set(nmodl_binary_name ${nmodl_name})