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