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|
#
# ucm.cmake - useful cmake macros
#
# Copyright (c) 2016 Viktor Kirilov
#
# Distributed under the MIT Software License
# See accompanying file LICENSE.txt or copy at
# https://opensource.org/licenses/MIT
#
# The documentation can be found at the library's page:
# https://github.com/onqtam/ucm
cmake_minimum_required(VERSION 2.8.12)
include(CMakeParseArguments)
# optionally include cotire - the git submodule might not be inited (or the user might have already included it)
if(NOT COMMAND cotire)
include(${CMAKE_CURRENT_LIST_DIR}/../cotire/CMake/cotire.cmake OPTIONAL)
endif()
if(COMMAND cotire AND "1.7.9" VERSION_LESS "${COTIRE_CMAKE_MODULE_VERSION}")
set(ucm_with_cotire 1)
else()
set(ucm_with_cotire 0)
endif()
# option(UCM_UNITY_BUILD "Enable unity build for targets registered with the ucm_add_target() macro" OFF)
# option(UCM_NO_COTIRE_FOLDER "Do not use a cotire folder in the solution explorer for all unity and cotire related targets" ON)
# ucm_add_flags
# Adds compiler flags to CMAKE_<LANG>_FLAGS or to a specific config
macro(ucm_add_flags)
cmake_parse_arguments(ARG "C;CXX;CLEAR_OLD" "" "CONFIG" ${ARGN})
if(NOT ARG_CONFIG)
set(ARG_CONFIG " ")
endif()
foreach(CONFIG ${ARG_CONFIG})
# determine to which flags to add
if(NOT ${CONFIG} STREQUAL " ")
string(TOUPPER ${CONFIG} CONFIG)
set(CXX_FLAGS CMAKE_CXX_FLAGS_${CONFIG})
set(C_FLAGS CMAKE_C_FLAGS_${CONFIG})
else()
set(CXX_FLAGS CMAKE_CXX_FLAGS)
set(C_FLAGS CMAKE_C_FLAGS)
endif()
# clear the old flags
if(${ARG_CLEAR_OLD})
if("${ARG_CXX}" OR NOT "${ARG_C}")
set(${CXX_FLAGS} "")
endif()
if("${ARG_C}" OR NOT "${ARG_CXX}")
set(${C_FLAGS} "")
endif()
endif()
# add all the passed flags
foreach(flag ${ARG_UNPARSED_ARGUMENTS})
if("${ARG_CXX}" OR NOT "${ARG_C}")
set(${CXX_FLAGS} "${${CXX_FLAGS}} ${flag}")
endif()
if("${ARG_C}" OR NOT "${ARG_CXX}")
set(${C_FLAGS} "${${C_FLAGS}} ${flag}")
endif()
endforeach()
endforeach()
endmacro()
# ucm_set_flags
# Sets the CMAKE_<LANG>_FLAGS compiler flags or for a specific config
macro(ucm_set_flags)
ucm_add_flags(CLEAR_OLD ${ARGN})
endmacro()
# ucm_add_linker_flags
# Adds linker flags to CMAKE_<TYPE>_LINKER_FLAGS or to a specific config
macro(ucm_add_linker_flags)
cmake_parse_arguments(ARG "CLEAR_OLD;EXE;MODULE;SHARED;STATIC" "" "CONFIG" ${ARGN})
if(NOT ARG_CONFIG)
set(ARG_CONFIG " ")
endif()
foreach(CONFIG ${ARG_CONFIG})
string(TOUPPER "${CONFIG}" CONFIG)
if(NOT ${ARG_EXE} AND NOT ${ARG_MODULE} AND NOT ${ARG_SHARED} AND NOT ${ARG_STATIC})
set(ARG_EXE 1)
set(ARG_MODULE 1)
set(ARG_SHARED 1)
set(ARG_STATIC 1)
endif()
set(flags_configs "")
if(${ARG_EXE})
if(NOT "${CONFIG}" STREQUAL " ")
list(APPEND flags_configs CMAKE_EXE_LINKER_FLAGS_${CONFIG})
else()
list(APPEND flags_configs CMAKE_EXE_LINKER_FLAGS)
endif()
endif()
if(${ARG_MODULE})
if(NOT "${CONFIG}" STREQUAL " ")
list(APPEND flags_configs CMAKE_MODULE_LINKER_FLAGS_${CONFIG})
else()
list(APPEND flags_configs CMAKE_MODULE_LINKER_FLAGS)
endif()
endif()
if(${ARG_SHARED})
if(NOT "${CONFIG}" STREQUAL " ")
list(APPEND flags_configs CMAKE_SHARED_LINKER_FLAGS_${CONFIG})
else()
list(APPEND flags_configs CMAKE_SHARED_LINKER_FLAGS)
endif()
endif()
if(${ARG_STATIC})
if(NOT "${CONFIG}" STREQUAL " ")
list(APPEND flags_configs CMAKE_STATIC_LINKER_FLAGS_${CONFIG})
else()
list(APPEND flags_configs CMAKE_STATIC_LINKER_FLAGS)
endif()
endif()
# clear the old flags
if(${ARG_CLEAR_OLD})
foreach(flags ${flags_configs})
set(${flags} "")
endforeach()
endif()
# add all the passed flags
foreach(flag ${ARG_UNPARSED_ARGUMENTS})
foreach(flags ${flags_configs})
set(${flags} "${${flags}} ${flag}")
endforeach()
endforeach()
endforeach()
endmacro()
# ucm_set_linker_flags
# Sets the CMAKE_<TYPE>_LINKER_FLAGS linker flags or for a specific config
macro(ucm_set_linker_flags)
ucm_add_linker_flags(CLEAR_OLD ${ARGN})
endmacro()
# ucm_gather_flags
# Gathers all lists of flags for printing or manipulation
macro(ucm_gather_flags with_linker result)
set(${result} "")
# add the main flags without a config
list(APPEND ${result} CMAKE_C_FLAGS)
list(APPEND ${result} CMAKE_CXX_FLAGS)
if(${with_linker})
list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS)
list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS)
list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS)
list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS)
endif()
if("${CMAKE_CONFIGURATION_TYPES}" STREQUAL "" AND NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
# handle single config generators - like makefiles/ninja - when CMAKE_BUILD_TYPE is set
string(TOUPPER ${CMAKE_BUILD_TYPE} config)
list(APPEND ${result} CMAKE_C_FLAGS_${config})
list(APPEND ${result} CMAKE_CXX_FLAGS_${config})
if(${with_linker})
list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS_${config})
endif()
else()
# handle multi config generators (like msvc, xcode)
foreach(config ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${config} config)
list(APPEND ${result} CMAKE_C_FLAGS_${config})
list(APPEND ${result} CMAKE_CXX_FLAGS_${config})
if(${with_linker})
list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS_${config})
list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS_${config})
endif()
endforeach()
endif()
endmacro()
# ucm_set_runtime
# Sets the runtime (static/dynamic) for msvc/gcc
macro(ucm_set_runtime)
cmake_parse_arguments(ARG "STATIC;DYNAMIC" "" "" ${ARGN})
if(ARG_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "unrecognized arguments: ${ARG_UNPARSED_ARGUMENTS}")
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" STREQUAL "")
message(AUTHOR_WARNING "ucm_set_runtime() does not support clang yet!")
endif()
ucm_gather_flags(0 flags_configs)
# add/replace the flags
# note that if the user has messed with the flags directly this function might fail
# - for example if with MSVC and the user has removed the flags - here we just switch/replace them
if("${ARG_STATIC}")
foreach(flags ${flags_configs})
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "GNU")
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4.7) # option "-static-libstdc++" available since GCC 4.5
if(NOT ${flags} MATCHES "-static-libstdc\\+\\+")
set(${flags} "${${flags}} -static-libstdc++")
endif()
endif()
if(NOT ${flags} MATCHES "-static-libgcc")
set(${flags} "${${flags}} -static-libgcc")
endif()
elseif(MSVC)
if(${flags} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flags} "${${flags}}")
endif()
endif()
endforeach()
elseif("${ARG_DYNAMIC}")
foreach(flags ${flags_configs})
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "GNU")
if(${flags} MATCHES "-static-libstdc\\+\\+")
string(REGEX REPLACE "-static-libstdc\\+\\+" "" ${flags} "${${flags}}")
endif()
if(${flags} MATCHES "-static-libgcc")
string(REGEX REPLACE "-static-libgcc" "" ${flags} "${${flags}}")
endif()
elseif(MSVC)
if(${flags} MATCHES "/MT")
string(REGEX REPLACE "/MT" "/MD" ${flags} "${${flags}}")
endif()
endif()
endforeach()
endif()
endmacro()
# ucm_print_flags
# Prints all compiler flags for all configurations
macro(ucm_print_flags)
ucm_gather_flags(1 flags_configs)
message("")
foreach(flags ${flags_configs})
message("${flags}: ${${flags}}")
endforeach()
message("")
endmacro()
# ucm_count_sources
# Counts the number of source files
macro(ucm_count_sources)
cmake_parse_arguments(ARG "" "RESULT" "" ${ARGN})
if(${ARG_RESULT} STREQUAL "")
message(FATAL_ERROR "Need to pass RESULT and a variable name to ucm_count_sources()")
endif()
set(result 0)
foreach(SOURCE_FILE ${ARG_UNPARSED_ARGUMENTS})
if("${SOURCE_FILE}" MATCHES \\.\(c|C|cc|cp|cpp|CPP|c\\+\\+|cxx|i|ii\)$)
math(EXPR result "${result} + 1")
endif()
endforeach()
set(${ARG_RESULT} ${result})
endmacro()
# ucm_include_file_in_sources
# Includes the file to the source with compiler flags
macro(ucm_include_file_in_sources)
cmake_parse_arguments(ARG "" "HEADER" "" ${ARGN})
if(${ARG_HEADER} STREQUAL "")
message(FATAL_ERROR "Need to pass HEADER and a header file to ucm_include_file_in_sources()")
endif()
foreach(src ${ARG_UNPARSED_ARGUMENTS})
if(${src} MATCHES \\.\(c|C|cc|cp|cpp|CPP|c\\+\\+|cxx\)$)
# get old flags
get_source_file_property(old_compile_flags ${src} COMPILE_FLAGS)
if(old_compile_flags STREQUAL "NOTFOUND")
set(old_compile_flags "")
endif()
# update flags
if(MSVC)
set_source_files_properties(${src} PROPERTIES COMPILE_FLAGS
"${old_compile_flags} /FI\"${CMAKE_CURRENT_SOURCE_DIR}/${ARG_HEADER}\"")
else()
set_source_files_properties(${src} PROPERTIES COMPILE_FLAGS
"${old_compile_flags} -include \"${CMAKE_CURRENT_SOURCE_DIR}/${ARG_HEADER}\"")
endif()
endif()
endforeach()
endmacro()
# ucm_dir_list
# Returns a list of subdirectories for a given directory
macro(ucm_dir_list thedir result)
file(GLOB sub-dir "${thedir}/*")
set(list_of_dirs "")
foreach(dir ${sub-dir})
if(IS_DIRECTORY ${dir})
get_filename_component(DIRNAME ${dir} NAME)
LIST(APPEND list_of_dirs ${DIRNAME})
endif()
endforeach()
set(${result} ${list_of_dirs})
endmacro()
# ucm_trim_front_words
# Trims X times the front word from a string separated with "/" and removes
# the front "/" characters after that (used for filters for visual studio)
macro(ucm_trim_front_words source out num_filter_trims)
set(result "${source}")
set(counter 0)
while(${counter} LESS ${num_filter_trims})
MATH(EXPR counter "${counter} + 1")
# removes everything at the front up to a "/" character
string(REGEX REPLACE "^([^/]+)" "" result "${result}")
# removes all consecutive "/" characters from the front
string(REGEX REPLACE "^(/+)" "" result "${result}")
endwhile()
set(${out} ${result})
endmacro()
# ucm_remove_files
# Removes source files from a list of sources (path is the relative path for it to be found)
macro(ucm_remove_files)
cmake_parse_arguments(ARG "" "FROM" "" ${ARGN})
if("${ARG_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "Need to pass some relative files to ucm_remove_files()")
endif()
if(${ARG_FROM} STREQUAL "")
message(FATAL_ERROR "Need to pass FROM and a variable name to ucm_remove_files()")
endif()
foreach(cur_file ${ARG_UNPARSED_ARGUMENTS})
list(REMOVE_ITEM ${ARG_FROM} ${cur_file})
endforeach()
endmacro()
# ucm_remove_directories
# Removes all source files from the given directories from the sources list
macro(ucm_remove_directories)
cmake_parse_arguments(ARG "" "FROM" "MATCHES" ${ARGN})
if("${ARG_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "Need to pass some relative directories to ucm_remove_directories()")
endif()
if(${ARG_FROM} STREQUAL "")
message(FATAL_ERROR "Need to pass FROM and a variable name to ucm_remove_directories()")
endif()
foreach(cur_dir ${ARG_UNPARSED_ARGUMENTS})
foreach(cur_file ${${ARG_FROM}})
string(REGEX MATCH ${cur_dir} res ${cur_file})
if(NOT "${res}" STREQUAL "")
if("${ARG_MATCHES}" STREQUAL "")
list(REMOVE_ITEM ${ARG_FROM} ${cur_file})
else()
foreach(curr_ptrn ${ARG_MATCHES})
string(REGEX MATCH ${curr_ptrn} res ${cur_file})
if(NOT "${res}" STREQUAL "")
list(REMOVE_ITEM ${ARG_FROM} ${cur_file})
break()
endif()
endforeach()
endif()
endif()
endforeach()
endforeach()
endmacro()
# ucm_add_files_impl
macro(ucm_add_files_impl result trim files)
foreach(cur_file ${files})
SET(${result} ${${result}} ${cur_file})
get_filename_component(FILEPATH ${cur_file} PATH)
ucm_trim_front_words("${FILEPATH}" FILEPATH "${trim}")
# replacing forward slashes with back slashes so filters can be generated (back slash used in parsing...)
STRING(REPLACE "/" "\\" FILTERS "${FILEPATH}")
SOURCE_GROUP("${FILTERS}" FILES ${cur_file})
endforeach()
endmacro()
# ucm_add_files
# Adds files to a list of sources
macro(ucm_add_files)
cmake_parse_arguments(ARG "" "TO;FILTER_POP" "" ${ARGN})
if("${ARG_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "Need to pass some relative files to ucm_add_files()")
endif()
if(${ARG_TO} STREQUAL "")
message(FATAL_ERROR "Need to pass TO and a variable name to ucm_add_files()")
endif()
if("${ARG_FILTER_POP}" STREQUAL "")
set(ARG_FILTER_POP 0)
endif()
ucm_add_files_impl(${ARG_TO} ${ARG_FILTER_POP} "${ARG_UNPARSED_ARGUMENTS}")
endmacro()
# ucm_add_dir_impl
macro(ucm_add_dir_impl result rec trim dirs_in additional_ext)
set(dirs "${dirs_in}")
# handle the "" and "." cases
if("${dirs}" STREQUAL "" OR "${dirs}" STREQUAL ".")
set(dirs "./")
endif()
foreach(cur_dir ${dirs})
# to circumvent some linux/cmake/path issues - barely made it work...
if(cur_dir STREQUAL "./")
set(cur_dir "")
else()
set(cur_dir "${cur_dir}/")
endif()
# since unix is case sensitive - add these valid extensions too
# we don't use "UNIX" but instead "CMAKE_HOST_UNIX" because we might be cross
# compiling (for example emscripten) under windows and UNIX may be set to 1
# Also OSX is case insensitive like windows...
set(additional_file_extensions "")
if(CMAKE_HOST_UNIX AND NOT APPLE)
set(additional_file_extensions
"${cur_dir}*.CPP"
"${cur_dir}*.C"
"${cur_dir}*.H"
"${cur_dir}*.HPP"
)
endif()
foreach(ext ${additional_ext})
list(APPEND additional_file_extensions "${cur_dir}*.${ext}")
endforeach()
# find all sources and set them as result
FILE(GLOB found_sources RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
# https://gcc.gnu.org/onlinedocs/gcc-4.4.1/gcc/Overall-Options.html#index-file-name-suffix-71
# sources
"${cur_dir}*.cpp"
"${cur_dir}*.cxx"
"${cur_dir}*.c++"
"${cur_dir}*.cc"
"${cur_dir}*.cp"
"${cur_dir}*.c"
"${cur_dir}*.i"
"${cur_dir}*.ii"
# headers
"${cur_dir}*.h"
"${cur_dir}*.h++"
"${cur_dir}*.hpp"
"${cur_dir}*.hxx"
"${cur_dir}*.hh"
"${cur_dir}*.inl"
"${cur_dir}*.inc"
"${cur_dir}*.ipp"
"${cur_dir}*.ixx"
"${cur_dir}*.txx"
"${cur_dir}*.tpp"
"${cur_dir}*.tcc"
"${cur_dir}*.tpl"
${additional_file_extensions})
SET(${result} ${${result}} ${found_sources})
# set the proper filters
ucm_trim_front_words("${cur_dir}" cur_dir "${trim}")
# replacing forward slashes with back slashes so filters can be generated (back slash used in parsing...)
STRING(REPLACE "/" "\\" FILTERS "${cur_dir}")
SOURCE_GROUP("${FILTERS}" FILES ${found_sources})
endforeach()
if(${rec})
foreach(cur_dir ${dirs})
ucm_dir_list("${cur_dir}" subdirs)
foreach(subdir ${subdirs})
ucm_add_dir_impl(${result} ${rec} ${trim} "${cur_dir}/${subdir}" "${additional_ext}")
endforeach()
endforeach()
endif()
endmacro()
# ucm_add_dirs
# Adds all files from directories traversing them recursively to a list of sources
# and generates filters according to their location (accepts relative paths only).
# Also this macro trims X times the front word from the filter string for visual studio filters.
macro(ucm_add_dirs)
cmake_parse_arguments(ARG "RECURSIVE" "TO;FILTER_POP" "ADDITIONAL_EXT" ${ARGN})
if(${ARG_TO} STREQUAL "")
message(FATAL_ERROR "Need to pass TO and a variable name to ucm_add_dirs()")
endif()
if("${ARG_FILTER_POP}" STREQUAL "")
set(ARG_FILTER_POP 0)
endif()
ucm_add_dir_impl(${ARG_TO} ${ARG_RECURSIVE} ${ARG_FILTER_POP} "${ARG_UNPARSED_ARGUMENTS}" "${ARG_ADDITIONAL_EXT}")
endmacro()
# ucm_add_target
# Adds a target eligible for cotiring - unity build and/or precompiled header
macro(ucm_add_target)
cmake_parse_arguments(ARG "UNITY" "NAME;TYPE;PCH_FILE;CPP_PER_UNITY" "UNITY_EXCLUDED;SOURCES" ${ARGN})
if(NOT "${ARG_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "Unrecognized options passed to ucm_add_target()")
endif()
if("${ARG_NAME}" STREQUAL "")
message(FATAL_ERROR "Need to pass NAME and a name for the target to ucm_add_target()")
endif()
set(valid_types EXECUTABLE STATIC SHARED MODULE)
list(FIND valid_types "${ARG_TYPE}" is_type_valid)
if(${is_type_valid} STREQUAL "-1")
message(FATAL_ERROR "Need to pass TYPE and the type for the target [EXECUTABLE/STATIC/SHARED/MODULE] to ucm_add_target()")
endif()
if("${ARG_SOURCES}" STREQUAL "")
message(FATAL_ERROR "Need to pass SOURCES and a list of source files to ucm_add_target()")
endif()
# init with the global unity flag
set(do_unity ${UCM_UNITY_BUILD})
# check the UNITY argument
if(NOT ARG_UNITY)
set(do_unity FALSE)
endif()
# if target is excluded through the exclusion list
list(FIND UCM_UNITY_BUILD_EXCLUDE_TARGETS ${ARG_NAME} is_target_excluded)
if(NOT ${is_target_excluded} STREQUAL "-1")
set(do_unity FALSE)
endif()
# unity build only for targets with > 1 source file (otherwise there will be an additional unnecessary target)
if(do_unity) # optimization
ucm_count_sources(${ARG_SOURCES} RESULT num_sources)
if(${num_sources} LESS 2)
set(do_unity FALSE)
endif()
endif()
set(wanted_cotire ${do_unity})
# if cotire cannot be used
if(do_unity AND NOT ucm_with_cotire)
set(do_unity FALSE)
endif()
# inform the developer that the current target might benefit from a unity build
if(NOT ARG_UNITY AND ${UCM_UNITY_BUILD})
ucm_count_sources(${ARG_SOURCES} RESULT num_sources)
if(${num_sources} GREATER 1)
message(AUTHOR_WARNING "Target '${ARG_NAME}' may benefit from a unity build.\nIt has ${num_sources} sources - enable with UNITY flag")
endif()
endif()
# prepare for the unity build
set(orig_target ${ARG_NAME})
if(do_unity)
# the original target will be added with a different name than the requested
set(orig_target ${ARG_NAME}_ORIGINAL)
# exclude requested files from unity build of the current target
foreach(excluded_file "${ARG_UNITY_EXCLUDED}")
set_source_files_properties(${excluded_file} PROPERTIES COTIRE_EXCLUDED TRUE)
endforeach()
endif()
# add the original target
if(${ARG_TYPE} STREQUAL "EXECUTABLE")
add_executable(${orig_target} ${ARG_SOURCES})
else()
add_library(${orig_target} ${ARG_TYPE} ${ARG_SOURCES})
endif()
if(do_unity)
# set the number of unity cpp files to be used for the unity target
if(NOT "${ARG_CPP_PER_UNITY}" STREQUAL "")
set_property(TARGET ${orig_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "${ARG_CPP_PER_UNITY}")
else()
set_property(TARGET ${orig_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "100")
endif()
if(NOT "${ARG_PCH_FILE}" STREQUAL "")
set_target_properties(${orig_target} PROPERTIES COTIRE_CXX_PREFIX_HEADER_INIT "${ARG_PCH_FILE}")
else()
set_target_properties(${orig_target} PROPERTIES COTIRE_ENABLE_PRECOMPILED_HEADER FALSE)
endif()
# add a unity target for the original one with the name intended for the original
set_target_properties(${orig_target} PROPERTIES COTIRE_UNITY_TARGET_NAME ${ARG_NAME})
# this is the library call that does the magic
cotire(${orig_target})
set_target_properties(clean_cotire PROPERTIES FOLDER "CMakePredefinedTargets")
# disable the original target and enable the unity one
get_target_property(unity_target_name ${orig_target} COTIRE_UNITY_TARGET_NAME)
set_target_properties(${orig_target} PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
set_target_properties(${unity_target_name} PROPERTIES EXCLUDE_FROM_ALL 0 EXCLUDE_FROM_DEFAULT_BUILD 0)
# also set the name of the target output as the original one
set_target_properties(${unity_target_name} PROPERTIES OUTPUT_NAME ${ARG_NAME})
if(UCM_NO_COTIRE_FOLDER)
# reset the folder property so all unity targets dont end up in a single folder in the solution explorer of VS
set_target_properties(${unity_target_name} PROPERTIES FOLDER "")
endif()
set_target_properties(all_unity PROPERTIES FOLDER "CMakePredefinedTargets")
elseif(NOT "${ARG_PCH_FILE}" STREQUAL "")
set(wanted_cotire TRUE)
if(ucm_with_cotire)
set_target_properties(${orig_target} PROPERTIES COTIRE_ADD_UNITY_BUILD FALSE)
set_target_properties(${orig_target} PROPERTIES COTIRE_CXX_PREFIX_HEADER_INIT "${ARG_PCH_FILE}")
cotire(${orig_target})
set_target_properties(clean_cotire PROPERTIES FOLDER "CMakePredefinedTargets")
endif()
endif()
# print a message if the target was requested to be cotired but it couldn't
if(wanted_cotire AND NOT ucm_with_cotire)
if(NOT COMMAND cotire)
message(AUTHOR_WARNING "Target \"${ARG_NAME}\" not cotired because cotire isn't loaded")
else()
message(AUTHOR_WARNING "Target \"${ARG_NAME}\" not cotired because cotire is older than the required version")
endif()
endif()
endmacro()
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