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Diffstat (limited to '')
| -rw-r--r-- | common.cmake | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/common.cmake b/common.cmake new file mode 100644 index 0000000..2d5e9f9 --- /dev/null +++ b/common.cmake @@ -0,0 +1,107 @@ +# 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://github.com/egor-tensin/cmake-common. +# Distributed under the MIT License. + +# Version: 2019-11-29T22:30:28Z + +get_directory_property(parent_directory PARENT_DIRECTORY) +set(is_root_project $<NOT:parent_directory>) + +if(CMAKE_C_COMPILER) + set(toolset "${CMAKE_C_COMPILER_ID}") +elseif(CMAKE_CXX_COMPILER) + set(toolset "${CMAKE_CXX_COMPILER_ID}") +else() + set(toolset "unknown") +endif() + +set(USE_STATIC_RUNTIME "${is_root_project}" CACHE BOOL "Link the runtime statically") +set(STRIP_SYMBOL_TABLE "${is_root_project}" CACHE BOOL "Strip symbol tables") +set(CXX_STANDARD "17" CACHE BOOL "Set C++ standard version") + +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) + else() + message(WARNING "Unrecognized toolset: ${toolset}") + endif() +endif() + +set(CMAKE_CXX_STANDARD "${CXX_STANDARD}") +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: ${toolset}") + endif() +endfunction() + +function(strip_symbol_table_gcc target) + get_target_property(target_type "${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: ${toolset}") + endif() +endfunction() + +function(apply_common_settings target) + if(TARGET "${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() |