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bitcoin/cmake/module/FlagsSummary.cmake

75 lines
3.5 KiB

# Copyright (c) 2024-present The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://opensource.org/license/mit/.
include_guard(GLOBAL)
function(indent_message header content indent_num)
if(indent_num GREATER 0)
string(REPEAT " " ${indent_num} indentation)
string(REPEAT "." ${indent_num} tail)
string(REGEX REPLACE "${tail}$" "" header "${header}")
endif()
message("${indentation}${header} ${content}")
endfunction()
# Print tools' flags on best-effort. Include the abstracted
# CMake flags that we touch ourselves.
function(print_flags_per_config config indent_num)
string(TOUPPER "${config}" config_uppercase)
include(GetTargetInterface)
get_target_interface(definitions "${config}" core_interface COMPILE_DEFINITIONS)
indent_message("Preprocessor defined macros ..........." "${definitions}" ${indent_num})
string(STRIP "${CMAKE_CXX_COMPILER_ARG1} ${CMAKE_CXX_FLAGS}" combined_cxx_flags)
string(STRIP "${combined_cxx_flags} ${CMAKE_CXX_FLAGS_${config_uppercase}}" combined_cxx_flags)
string(STRIP "${combined_cxx_flags} ${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION}" combined_cxx_flags)
if(CMAKE_POSITION_INDEPENDENT_CODE)
string(JOIN " " combined_cxx_flags ${combined_cxx_flags} ${CMAKE_CXX_COMPILE_OPTIONS_PIC})
endif()
get_target_interface(core_cxx_flags "${config}" core_interface COMPILE_OPTIONS)
string(STRIP "${combined_cxx_flags} ${core_cxx_flags}" combined_cxx_flags)
string(STRIP "${combined_cxx_flags} ${APPEND_CPPFLAGS}" combined_cxx_flags)
string(STRIP "${combined_cxx_flags} ${APPEND_CXXFLAGS}" combined_cxx_flags)
indent_message("C++ compiler flags ...................." "${combined_cxx_flags}" ${indent_num})
string(STRIP "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${config_uppercase}}" combined_linker_flags)
string(STRIP "${combined_linker_flags} ${CMAKE_EXE_LINKER_FLAGS}" combined_linker_flags)
get_target_interface(common_link_options "${config}" core_interface LINK_OPTIONS)
string(STRIP "${combined_linker_flags} ${common_link_options}" combined_linker_flags)
if(CMAKE_CXX_LINK_PIE_SUPPORTED)
string(JOIN " " combined_linker_flags ${combined_linker_flags} ${CMAKE_CXX_LINK_OPTIONS_PIE})
endif()
string(STRIP "${combined_linker_flags} ${APPEND_LDFLAGS}" combined_linker_flags)
indent_message("Linker flags .........................." "${combined_linker_flags}" ${indent_num})
endfunction()
function(flags_summary)
get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(is_multi_config)
list(JOIN CMAKE_CONFIGURATION_TYPES ", " configs)
message("Available build configurations ........ ${configs}")
if(CMAKE_GENERATOR MATCHES "Visual Studio")
set(default_config "Debug")
else()
list(GET CMAKE_CONFIGURATION_TYPES 0 default_config)
endif()
message("Default build configuration ........... ${default_config}")
foreach(config IN LISTS CMAKE_CONFIGURATION_TYPES)
message("")
message("'${config}' build configuration:")
print_flags_per_config("${config}" 2)
endforeach()
else()
message("CMAKE_BUILD_TYPE ...................... ${CMAKE_BUILD_TYPE}")
print_flags_per_config("${CMAKE_BUILD_TYPE}" 0)
endif()
message("")
message([=[
NOTE: The summary above may not exactly match the final applied build flags
if any additional CMAKE_* or environment variables have been modified.
To see the exact flags applied, build with the --verbose option.
]=])
endfunction()