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# Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
# It's a CMake code snippet I use in all of my CMake projects.
# It makes targets link the runtime statically by default + strips debug
# symbols in release builds.
# The latest version can be found at
# https://gist.github.com/egor-tensin/cmake-common.
# Distributed under the MIT License.
# Version: 2017-05-19T13:51:22+00:00
get_directory_property(parent_directory PARENT_DIRECTORY)
set(is_root_project $<NOT:parent_directory>)
set(USE_STATIC_RUNTIME "${is_root_project}" CACHE BOOL "Link the runtime statically")
set(STRIP_SYMBOL_TABLE "${is_root_project}" CACHE BOOL "Strip symbol tables")
if(is_root_project)
if(MSVC)
add_compile_options(/MP /W4)
elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
add_compile_options(-Wall -Wextra)
endif()
endif()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
function(use_static_runtime_msvc target)
get_target_property(target_type "${target}" TYPE)
if(target_type STREQUAL INTERFACE_LIBRARY)
else()
target_compile_options("${target}" PRIVATE
$<$<CONFIG:Debug>:/MTd>
$<$<NOT:$<CONFIG:Debug>>:/MT>)
endif()
endfunction()
function(use_static_runtime_gcc target)
get_target_property(target_type "${target}" TYPE)
if(target_type STREQUAL EXECUTABLE)
target_link_libraries("${target}" PRIVATE -static)
endif()
endfunction()
function(use_static_runtime target)
if(MSVC)
use_static_runtime_msvc("${target}")
elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
use_static_runtime_gcc("${target}")
else()
message(WARNING "Unrecognized toolset")
endif()
endfunction()
function(strip_symbol_table_gcc target)
get_target_property(target_type "${target}" TYPE)
set(release_build $<OR:$<CONFIG:Release>,$<CONFIG:MinSizeRel>>)
if(target_type STREQUAL INTERFACE_LIBRARY)
else()
target_link_libraries("${target}" PRIVATE $<${release_build}:-s>)
endif()
endfunction()
function(strip_symbol_table target)
if(MSVC)
elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
strip_symbol_table_gcc("${target}")
else()
message(WARNING "Unrecognized toolset")
endif()
endfunction()
function(apply_common_settings target)
if(TARGET "${target}")
get_target_property(target_imported "${target}" IMPORTED)
if(target_imported STREQUAL NOTFOUND OR NOT target_imported)
if(STRIP_SYMBOL_TABLE)
strip_symbol_table("${target}")
endif()
if(USE_STATIC_RUNTIME)
use_static_runtime("${target}")
endif()
endif()
endif()
endfunction()
macro(add_executable target)
_add_executable(${ARGV})
apply_common_settings("${target}")
endmacro()
macro(add_library target)
_add_library(${ARGV})
apply_common_settings("${target}")
endmacro()
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