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Utils.cmake
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# For cmake_parse_arguments
include(CMakeParseArguments)
################################################################################################
# Command alias for debugging messages
# Usage:
# dmsg(<message>)
function(dmsg)
message(STATUS ${ARGN})
endfunction()
################################################################################################
# Removes duplicates from list(s)
# Usage:
# mxnet_list_unique(<list_variable> [<list_variable>] [...])
macro(mxnet_list_unique)
foreach(__lst ${ARGN})
if(${__lst})
list(REMOVE_DUPLICATES ${__lst})
endif()
endforeach()
endmacro()
################################################################################################
# Clears variables from list
# Usage:
# mxnet_clear_vars(<variables_list>)
macro(mxnet_clear_vars)
foreach(_var ${ARGN})
unset(${_var})
endforeach()
endmacro()
################################################################################################
# Removes duplicates from string
# Usage:
# mxnet_string_unique(<string_variable>)
function(mxnet_string_unique __string)
if(${__string})
set(__list ${${__string}})
separate_arguments(__list)
list(REMOVE_DUPLICATES __list)
foreach(__e ${__list})
set(__str "${__str} ${__e}")
endforeach()
set(${__string} ${__str} PARENT_SCOPE)
endif()
endfunction()
################################################################################################
# Prints list element per line
# Usage:
# mxnet_print_list(<list>)
function(mxnet_print_list)
foreach(e ${ARGN})
message(STATUS ${e})
endforeach()
endfunction()
################################################################################################
# Function merging lists of compiler flags to single string.
# Usage:
# mxnet_merge_flag_lists(out_variable <list1> [<list2>] [<list3>] ...)
function(mxnet_merge_flag_lists out_var)
set(__result "")
foreach(__list ${ARGN})
foreach(__flag ${${__list}})
string(STRIP ${__flag} __flag)
set(__result "${__result} ${__flag}")
endforeach()
endforeach()
string(STRIP ${__result} __result)
set(${out_var} ${__result} PARENT_SCOPE)
endfunction()
################################################################################################
# Converts all paths in list to absolute
# Usage:
# mxnet_convert_absolute_paths(<list_variable>)
function(mxnet_convert_absolute_paths variable)
set(__dlist "")
foreach(__s ${${variable}})
get_filename_component(__abspath ${__s} ABSOLUTE)
list(APPEND __list ${__abspath})
endforeach()
set(${variable} ${__list} PARENT_SCOPE)
endfunction()
################################################################################################
# Reads set of version defines from the header file
# Usage:
# mxnet_parse_header(<file> <define1> <define2> <define3> ..)
macro(mxnet_parse_header FILENAME FILE_VAR)
set(vars_regex "")
set(__parnet_scope OFF)
set(__add_cache OFF)
foreach(name ${ARGN})
if("${name}" STREQUAL "PARENT_SCOPE")
set(__parnet_scope ON)
elseif("${name}" STREQUAL "CACHE")
set(__add_cache ON)
elseif(vars_regex)
set(vars_regex "${vars_regex}|${name}")
else()
set(vars_regex "${name}")
endif()
endforeach()
if(EXISTS "${FILENAME}")
file(STRINGS "${FILENAME}" ${FILE_VAR} REGEX "#define[ \t]+(${vars_regex})[ \t]+[0-9]+" )
else()
unset(${FILE_VAR})
endif()
foreach(name ${ARGN})
if(NOT "${name}" STREQUAL "PARENT_SCOPE" AND NOT "${name}" STREQUAL "CACHE")
if(${FILE_VAR})
if(${FILE_VAR} MATCHES ".+[ \t]${name}[ \t]+([0-9]+).*")
string(REGEX REPLACE ".+[ \t]${name}[ \t]+([0-9]+).*" "\\1" ${name} "${${FILE_VAR}}")
else()
set(${name} "")
endif()
if(__add_cache)
set(${name} ${${name}} CACHE INTERNAL "${name} parsed from ${FILENAME}" FORCE)
elseif(__parnet_scope)
set(${name} "${${name}}" PARENT_SCOPE)
endif()
else()
unset(${name} CACHE)
endif()
endif()
endforeach()
endmacro()
################################################################################################
# Reads single version define from the header file and parses it
# Usage:
# mxnet_parse_header_single_define(<library_name> <file> <define_name>)
function(mxnet_parse_header_single_define LIBNAME HDR_PATH VARNAME)
set(${LIBNAME}_H "")
if(EXISTS "${HDR_PATH}")
file(STRINGS "${HDR_PATH}" ${LIBNAME}_H REGEX "^#define[ \t]+${VARNAME}[ \t]+\"[^\"]*\".*$" LIMIT_COUNT 1)
endif()
if(${LIBNAME}_H)
string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MAJOR "${${LIBNAME}_H}")
string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${${LIBNAME}_H}")
string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${${LIBNAME}_H}")
set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN} PARENT_SCOPE)
set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN} PARENT_SCOPE)
set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN} PARENT_SCOPE)
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}" PARENT_SCOPE)
# append a TWEAK version if it exists:
set(${LIBNAME}_VERSION_TWEAK "")
if("${${LIBNAME}_H}" MATCHES "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$")
set(${LIBNAME}_VERSION_TWEAK "${CMAKE_MATCH_1}" ${ARGN} PARENT_SCOPE)
endif()
if(${LIBNAME}_VERSION_TWEAK)
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}.${${LIBNAME}_VERSION_TWEAK}" ${ARGN} PARENT_SCOPE)
else()
set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}" ${ARGN} PARENT_SCOPE)
endif()
endif()
endfunction()
########################################################################################################
# An option that the user can select. Can accept condition to control when option is available for user.
# Usage:
# mxnet_option(<option_variable> "doc string" <initial value or boolean expression> [IF <condition>])
function(mxnet_option variable description value)
set(__value ${value})
set(__condition "")
set(__varname "__value")
foreach(arg ${ARGN})
if(arg STREQUAL "IF" OR arg STREQUAL "if")
set(__varname "__condition")
else()
list(APPEND ${__varname} ${arg})
endif()
endforeach()
unset(__varname)
if("${__condition}" STREQUAL "")
set(__condition 2 GREATER 1)
endif()
if(${__condition})
if("${__value}" MATCHES ";")
if(${__value})
option(${variable} "${description}" ON)
else()
option(${variable} "${description}" OFF)
endif()
elseif(DEFINED ${__value})
if(${__value})
option(${variable} "${description}" ON)
else()
option(${variable} "${description}" OFF)
endif()
else()
option(${variable} "${description}" ${__value})
endif()
else()
unset(${variable} CACHE)
endif()
endfunction()
################################################################################################
# Utility macro for comparing two lists. Used for CMake debugging purposes
# Usage:
# mxnet_compare_lists(<list_variable> <list2_variable> [description])
function(mxnet_compare_lists list1 list2 desc)
set(__list1 ${${list1}})
set(__list2 ${${list2}})
list(SORT __list1)
list(SORT __list2)
list(LENGTH __list1 __len1)
list(LENGTH __list2 __len2)
if(NOT ${__len1} EQUAL ${__len2})
message(FATAL_ERROR "Lists are not equal. ${__len1} != ${__len2}. ${desc}")
endif()
foreach(__i RANGE 1 ${__len1})
math(EXPR __index "${__i}- 1")
list(GET __list1 ${__index} __item1)
list(GET __list2 ${__index} __item2)
if(NOT ${__item1} STREQUAL ${__item2})
message(FATAL_ERROR "Lists are not equal. Differ at element ${__index}. ${desc}")
endif()
endforeach()
endfunction()
################################################################################################
# Command for disabling warnings for different platforms (see below for gcc and VisualStudio)
# Usage:
# mxnet_warnings_disable(<CMAKE_[C|CXX]_FLAGS[_CONFIGURATION]> -Wshadow /wd4996 ..,)
macro(mxnet_warnings_disable)
set(_flag_vars "")
set(_msvc_warnings "")
set(_gxx_warnings "")
foreach(arg ${ARGN})
if(arg MATCHES "^CMAKE_")
list(APPEND _flag_vars ${arg})
elseif(arg MATCHES "^/wd")
list(APPEND _msvc_warnings ${arg})
elseif(arg MATCHES "^-W")
list(APPEND _gxx_warnings ${arg})
endif()
endforeach()
if(NOT _flag_vars)
set(_flag_vars CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
if(MSVC AND _msvc_warnings)
foreach(var ${_flag_vars})
foreach(warning ${_msvc_warnings})
set(${var} "${${var}} ${warning}")
endforeach()
endforeach()
elseif((CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) AND _gxx_warnings)
foreach(var ${_flag_vars})
foreach(warning ${_gxx_warnings})
if(NOT warning MATCHES "^-Wno-")
string(REPLACE "${warning}" "" ${var} "${${var}}")
string(REPLACE "-W" "-Wno-" warning "${warning}")
endif()
set(${var} "${${var}} ${warning}")
endforeach()
endforeach()
endif()
mxnet_clear_vars(_flag_vars _msvc_warnings _gxx_warnings)
endmacro()
################################################################################################
# Helper function get current definitions
# Usage:
# mxnet_get_current_definitions(<definitions_variable>)
function(mxnet_get_current_definitions definitions_var)
get_property(current_definitions DIRECTORY PROPERTY COMPILE_DEFINITIONS)
set(result "")
foreach(d ${current_definitions})
list(APPEND result -D${d})
endforeach()
mxnet_list_unique(result)
set(${definitions_var} ${result} PARENT_SCOPE)
endfunction()
################################################################################################
# Helper function get current includes/definitions
# Usage:
# mxnet_get_current_cflags(<cflagslist_variable>)
function(mxnet_get_current_cflags cflags_var)
get_property(current_includes DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
mxnet_convert_absolute_paths(current_includes)
mxnet_get_current_definitions(cflags)
foreach(i ${current_includes})
list(APPEND cflags "-I${i}")
endforeach()
mxnet_list_unique(cflags)
set(${cflags_var} ${cflags} PARENT_SCOPE)
endfunction()
################################################################################################
# Helper function to parse current linker libs into link directories, libflags and osx frameworks
# Usage:
# mxnet_parse_linker_libs(<mxnet_LINKER_LIBS_var> <directories_var> <libflags_var> <frameworks_var>)
function(mxnet_parse_linker_libs mxnet_LINKER_LIBS_variable folders_var flags_var frameworks_var)
set(__unspec "")
set(__debug "")
set(__optimized "")
set(__framework "")
set(__varname "__unspec")
# split libs into debug, optimized, unspecified and frameworks
foreach(list_elem ${${mxnet_LINKER_LIBS_variable}})
if(list_elem STREQUAL "debug")
set(__varname "__debug")
elseif(list_elem STREQUAL "optimized")
set(__varname "__optimized")
elseif(list_elem MATCHES "^-framework[ \t]+([^ \t].*)")
list(APPEND __framework -framework ${CMAKE_MATCH_1})
else()
list(APPEND ${__varname} ${list_elem})
set(__varname "__unspec")
endif()
endforeach()
# attach debug or optimized libs to unspecified according to current configuration
if(CMAKE_BUILD_TYPE MATCHES "Debug")
set(__libs ${__unspec} ${__debug})
else()
set(__libs ${__unspec} ${__optimized})
endif()
set(libflags "")
set(folders "")
# convert linker libraries list to link flags
foreach(lib ${__libs})
if(TARGET ${lib})
list(APPEND folders $<TARGET_LINKER_FILE_DIR:${lib}>)
list(APPEND libflags -l${lib})
elseif(lib MATCHES "^-l.*")
list(APPEND libflags ${lib})
elseif(IS_ABSOLUTE ${lib})
get_filename_component(name_we ${lib} NAME_WE)
get_filename_component(folder ${lib} PATH)
string(REGEX MATCH "^lib(.*)" __match ${name_we})
list(APPEND libflags -l${CMAKE_MATCH_1})
list(APPEND folders ${folder})
else()
message(FATAL_ERROR "Logic error. Need to update cmake script")
endif()
endforeach()
mxnet_list_unique(libflags folders)
set(${folders_var} ${folders} PARENT_SCOPE)
set(${flags_var} ${libflags} PARENT_SCOPE)
set(${frameworks_var} ${__framework} PARENT_SCOPE)
endfunction()
################################################################################################
# Helper function to detect Darwin version, i.e. 10.8, 10.9, 10.10, ....
# Usage:
# mxnet_detect_darwin_version(<version_variable>)
function(mxnet_detect_darwin_version output_var)
if(APPLE)
execute_process(COMMAND /usr/bin/sw_vers -productVersion
RESULT_VARIABLE __sw_vers OUTPUT_VARIABLE __sw_vers_out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
set(${output_var} ${__sw_vers_out} PARENT_SCOPE)
else()
set(${output_var} "" PARENT_SCOPE)
endif()
endfunction()
################################################################################################
# Convenient command to setup source group for IDEs that support this feature (VS, XCode)
# Usage:
# caffe_source_group(<group> GLOB[_RECURSE] <globbing_expression>)
function(mxnet_source_group group)
message(WARNING "mxnet_source_group function is obsolete, it not do anything now.")
endfunction()
function(assign_source_group group)
foreach(_source IN ITEMS ${ARGN})
if (IS_ABSOLUTE "${_source}")
file(RELATIVE_PATH _source_rel "${CMAKE_CURRENT_SOURCE_DIR}" "${_source}")
else()
set(_source_rel "${_source}")
endif()
get_filename_component(_source_path "${_source_rel}" PATH)
string(REPLACE "/" "\\" _source_path_msvc "${_source_path}")
source_group("${group}\\${_source_path_msvc}" FILES "${_source}")
endforeach()
endfunction(assign_source_group)