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Shipwright/soh/CMake/Utils.cmake

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CMake
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# utils file for projects came from visual studio solution with cmake-converter.
################################################################################
# Wrap each token of the command with condition
################################################################################
cmake_policy(PUSH)
cmake_policy(SET CMP0054 NEW)
macro(prepare_commands)
unset(TOKEN_ROLE)
unset(COMMANDS)
foreach(TOKEN ${ARG_COMMANDS})
if("${TOKEN}" STREQUAL "COMMAND")
set(TOKEN_ROLE "KEYWORD")
elseif("${TOKEN_ROLE}" STREQUAL "KEYWORD")
set(TOKEN_ROLE "CONDITION")
elseif("${TOKEN_ROLE}" STREQUAL "CONDITION")
set(TOKEN_ROLE "COMMAND")
elseif("${TOKEN_ROLE}" STREQUAL "COMMAND")
set(TOKEN_ROLE "ARG")
endif()
if("${TOKEN_ROLE}" STREQUAL "KEYWORD")
list(APPEND COMMANDS "${TOKEN}")
elseif("${TOKEN_ROLE}" STREQUAL "CONDITION")
set(CONDITION ${TOKEN})
elseif("${TOKEN_ROLE}" STREQUAL "COMMAND")
list(APPEND COMMANDS "$<$<NOT:${CONDITION}>:${DUMMY}>$<${CONDITION}:${TOKEN}>")
elseif("${TOKEN_ROLE}" STREQUAL "ARG")
list(APPEND COMMANDS "$<${CONDITION}:${TOKEN}>")
endif()
endforeach()
endmacro()
cmake_policy(POP)
################################################################################
# Transform all the tokens to absolute paths
################################################################################
macro(prepare_output)
unset(OUTPUT)
foreach(TOKEN ${ARG_OUTPUT})
if(IS_ABSOLUTE ${TOKEN})
list(APPEND OUTPUT "${TOKEN}")
else()
list(APPEND OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/${TOKEN}")
endif()
endforeach()
endmacro()
################################################################################
# Parse add_custom_command_if args.
#
# Input:
# PRE_BUILD - Pre build event option
# PRE_LINK - Pre link event option
# POST_BUILD - Post build event option
# TARGET - Target
# OUTPUT - List of output files
# DEPENDS - List of files on which the command depends
# COMMANDS - List of commands(COMMAND condition1 commannd1 args1 COMMAND
# condition2 commannd2 args2 ...)
# Output:
# OUTPUT - Output files
# DEPENDS - Files on which the command depends
# COMMENT - Comment
# PRE_BUILD - TRUE/FALSE
# PRE_LINK - TRUE/FALSE
# POST_BUILD - TRUE/FALSE
# TARGET - Target name
# COMMANDS - Prepared commands(every token is wrapped in CONDITION)
# NAME - Unique name for custom target
# STEP - PRE_BUILD/PRE_LINK/POST_BUILD
################################################################################
function(add_custom_command_if_parse_arguments)
cmake_parse_arguments("ARG" "PRE_BUILD;PRE_LINK;POST_BUILD" "TARGET;COMMENT" "DEPENDS;OUTPUT;COMMANDS" ${ARGN})
if(WIN32)
set(DUMMY "cd.")
elseif(UNIX)
set(DUMMY "true")
endif()
prepare_commands()
prepare_output()
set(DEPENDS "${ARG_DEPENDS}")
set(COMMENT "${ARG_COMMENT}")
set(PRE_BUILD "${ARG_PRE_BUILD}")
set(PRE_LINK "${ARG_PRE_LINK}")
set(POST_BUILD "${ARG_POST_BUILD}")
set(TARGET "${ARG_TARGET}")
if(PRE_BUILD)
set(STEP "PRE_BUILD")
elseif(PRE_LINK)
set(STEP "PRE_LINK")
elseif(POST_BUILD)
set(STEP "POST_BUILD")
endif()
set(NAME "${TARGET}_${STEP}")
set(OUTPUT "${OUTPUT}" PARENT_SCOPE)
set(DEPENDS "${DEPENDS}" PARENT_SCOPE)
set(COMMENT "${COMMENT}" PARENT_SCOPE)
set(PRE_BUILD "${PRE_BUILD}" PARENT_SCOPE)
set(PRE_LINK "${PRE_LINK}" PARENT_SCOPE)
set(POST_BUILD "${POST_BUILD}" PARENT_SCOPE)
set(TARGET "${TARGET}" PARENT_SCOPE)
set(COMMANDS "${COMMANDS}" PARENT_SCOPE)
set(STEP "${STEP}" PARENT_SCOPE)
set(NAME "${NAME}" PARENT_SCOPE)
endfunction()
################################################################################
# Add conditional custom command
#
# Generating Files
# The first signature is for adding a custom command to produce an output:
# add_custom_command_if(
# <OUTPUT output1 [output2 ...]>
# <COMMANDS>
# <COMMAND condition command1 [args1...]>
# [COMMAND condition command2 [args2...]]
# [DEPENDS [depends...]]
# [COMMENT comment]
#
# Build Events
# add_custom_command_if(
# <TARGET target>
# <PRE_BUILD | PRE_LINK | POST_BUILD>
# <COMMAND condition command1 [args1...]>
# [COMMAND condition command2 [args2...]]
# [COMMENT comment]
#
# Input:
# output - Output files the command is expected to produce
# condition - Generator expression for wrapping the command
# command - Command-line(s) to execute at build time.
# args - Command`s args
# depends - Files on which the command depends
# comment - Display the given message before the commands are executed at
# build time.
# PRE_BUILD - Run before any other rules are executed within the target
# PRE_LINK - Run after sources have been compiled but before linking the
# binary
# POST_BUILD - Run after all other rules within the target have been
# executed
################################################################################
function(add_custom_command_if)
add_custom_command_if_parse_arguments(${ARGN})
if(OUTPUT AND TARGET)
message(FATAL_ERROR "Wrong syntax. A TARGET and OUTPUT can not both be specified.")
endif()
if(OUTPUT)
add_custom_command(OUTPUT ${OUTPUT}
${COMMANDS}
DEPENDS ${DEPENDS}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT ${COMMENT})
elseif(TARGET)
if(PRE_BUILD AND NOT ${CMAKE_GENERATOR} MATCHES "Visual Studio")
add_custom_target(
${NAME}
${COMMANDS}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT ${COMMENT})
add_dependencies(${TARGET} ${NAME})
else()
add_custom_command(
TARGET ${TARGET}
${STEP}
${COMMANDS}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT ${COMMENT})
endif()
else()
message(FATAL_ERROR "Wrong syntax. A TARGET or OUTPUT must be specified.")
endif()
endfunction()
################################################################################
# Use props file for a target and configs
# use_props(<target> <configs...> <props_file>)
# Inside <props_file> there are following variables:
# PROPS_TARGET - <target>
# PROPS_CONFIG - One of <configs...>
# PROPS_CONFIG_U - Uppercase PROPS_CONFIG
# Input:
# target - Target to apply props file
# configs - Build configurations to apply props file
# props_file - CMake script
################################################################################
macro(use_props TARGET CONFIGS PROPS_FILE)
set(PROPS_TARGET "${TARGET}")
foreach(PROPS_CONFIG ${CONFIGS})
string(TOUPPER "${PROPS_CONFIG}" PROPS_CONFIG_U)
get_filename_component(ABSOLUTE_PROPS_FILE "${PROPS_FILE}" ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
if(EXISTS "${ABSOLUTE_PROPS_FILE}")
include("${ABSOLUTE_PROPS_FILE}")
else()
message(WARNING "Corresponding cmake file from props \"${ABSOLUTE_PROPS_FILE}\" doesn't exist")
endif()
endforeach()
endmacro()
################################################################################
# Add compile options to source file
# source_file_compile_options(<source_file> [compile_options...])
# Input:
# source_file - Source file
# compile_options - Options to add to COMPILE_FLAGS property
################################################################################
function(source_file_compile_options SOURCE_FILE)
if("${ARGC}" LESS_EQUAL "1")
return()
endif()
get_source_file_property(COMPILE_OPTIONS "${SOURCE_FILE}" COMPILE_OPTIONS)
if(COMPILE_OPTIONS)
list(APPEND COMPILE_OPTIONS ${ARGN})
else()
set(COMPILE_OPTIONS "${ARGN}")
endif()
set_source_files_properties("${SOURCE_FILE}" PROPERTIES COMPILE_OPTIONS "${COMPILE_OPTIONS}")
endfunction()
################################################################################
# Default properties of visual studio projects
################################################################################
set(DEFAULT_CXX_PROPS "${CMAKE_CURRENT_LIST_DIR}/DefaultCXX.cmake")
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