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# Copyright (c) 2023-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)
include(TryAppendCXXFlags)
macro(normalize_string string)
string(REGEX REPLACE " +" " " ${string} "${${string}}")
string(STRIP "${${string}}" ${string})
endmacro()
function(are_flags_overridden flags_var result_var)
normalize_string(${flags_var})
normalize_string(${flags_var}_INIT)
if(${flags_var} STREQUAL ${flags_var}_INIT)
set(${result_var} FALSE PARENT_SCOPE)
else()
set(${result_var} TRUE PARENT_SCOPE)
endif()
endfunction()
# Removes duplicated flags. The relative order of flags is preserved.
# If duplicates are encountered, only the last instance is preserved.
function(deduplicate_flags flags)
separate_arguments(${flags})
list(REVERSE ${flags})
list(REMOVE_DUPLICATES ${flags})
list(REVERSE ${flags})
list(JOIN ${flags} " " result)
set(${flags} "${result}" PARENT_SCOPE)
endfunction()
function(get_all_configs output)
get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(is_multi_config)
set(all_configs ${CMAKE_CONFIGURATION_TYPES})
else()
get_property(all_configs CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS)
if(NOT all_configs)
# See https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#default-and-custom-configurations
set(all_configs Debug Release RelWithDebInfo MinSizeRel)
endif()
endif()
set(${output} "${all_configs}" PARENT_SCOPE)
endfunction()
#[=[
Set the default build configuration.
See: https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#build-configurations.
On single-configuration generators, this function sets the CMAKE_BUILD_TYPE variable to
the default build configuration, which can be overridden by the user at configure time if needed.
On multi-configuration generators, this function rearranges the CMAKE_CONFIGURATION_TYPES list,
ensuring that the default build configuration appears first while maintaining the order of the
remaining configurations. The user can choose a build configuration at build time.
]=]
function(set_default_config config)
get_all_configs(all_configs)
if(NOT ${config} IN_LIST all_configs)
message(FATAL_ERROR "The default config is \"${config}\", but must be one of ${all_configs}.")
endif()
list(REMOVE_ITEM all_configs ${config})
list(PREPEND all_configs ${config})
get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(is_multi_config)
get_property(help_string CACHE CMAKE_CONFIGURATION_TYPES PROPERTY HELPSTRING)
set(CMAKE_CONFIGURATION_TYPES "${all_configs}" CACHE STRING "${help_string}" FORCE)
# Also see https://gitlab.kitware.com/cmake/cmake/-/issues/19512.
set(CMAKE_TRY_COMPILE_CONFIGURATION "${config}" PARENT_SCOPE)
else()
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
STRINGS "${all_configs}"
)
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "Setting build type to \"${config}\" as none was specified")
get_property(help_string CACHE CMAKE_BUILD_TYPE PROPERTY HELPSTRING)
set(CMAKE_BUILD_TYPE "${config}" CACHE STRING "${help_string}" FORCE)
endif()
set(CMAKE_TRY_COMPILE_CONFIGURATION "${CMAKE_BUILD_TYPE}" PARENT_SCOPE)
endif()
endfunction()
function(remove_cxx_flag_from_all_configs flag)
get_all_configs(all_configs)
foreach(config IN LISTS all_configs)
string(TOUPPER "${config}" config_uppercase)
set(flags "${CMAKE_CXX_FLAGS_${config_uppercase}}")
separate_arguments(flags)
list(FILTER flags EXCLUDE REGEX "${flag}")
list(JOIN flags " " new_flags)
set(CMAKE_CXX_FLAGS_${config_uppercase} "${new_flags}" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS_${config_uppercase} "${new_flags}"
CACHE STRING
"Flags used by the CXX compiler during ${config_uppercase} builds."
FORCE
)
endforeach()
endfunction()
function(replace_cxx_flag_in_config config old_flag new_flag)
string(TOUPPER "${config}" config_uppercase)
string(REGEX REPLACE "(^| )${old_flag}( |$)" "\\1${new_flag}\\2" new_flags "${CMAKE_CXX_FLAGS_${config_uppercase}}")
set(CMAKE_CXX_FLAGS_${config_uppercase} "${new_flags}" PARENT_SCOPE)
set(CMAKE_CXX_FLAGS_${config_uppercase} "${new_flags}"
CACHE STRING
"Flags used by the CXX compiler during ${config_uppercase} builds."
FORCE
)
endfunction()
set_default_config(RelWithDebInfo)
# Redefine/adjust per-configuration flags.
target_compile_definitions(core_interface_debug INTERFACE
DEBUG
DEBUG_LOCKORDER
DEBUG_LOCKCONTENTION
RPC_DOC_CHECK
ABORT_ON_FAILED_ASSUME
)
# We leave assertions on.
if(MSVC)
remove_cxx_flag_from_all_configs(/DNDEBUG)
else()
remove_cxx_flag_from_all_configs(-DNDEBUG)
# Adjust flags used by the CXX compiler during RELEASE builds.
# Prefer -O2 optimization level. (-O3 is CMake's default for Release for many compilers.)
replace_cxx_flag_in_config(Release -O3 -O2)
are_flags_overridden(CMAKE_CXX_FLAGS_DEBUG cxx_flags_debug_overridden)
if(NOT cxx_flags_debug_overridden)
# Redefine flags used by the CXX compiler during DEBUG builds.
try_append_cxx_flags("-g3" RESULT_VAR compiler_supports_g3)
if(compiler_supports_g3)
replace_cxx_flag_in_config(Debug -g -g3)
endif()
unset(compiler_supports_g3)
try_append_cxx_flags("-ftrapv" RESULT_VAR compiler_supports_ftrapv)
if(compiler_supports_ftrapv)
string(PREPEND CMAKE_CXX_FLAGS_DEBUG "-ftrapv ")
endif()
unset(compiler_supports_ftrapv)
string(PREPEND CMAKE_CXX_FLAGS_DEBUG "-O0 ")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}"
CACHE STRING
"Flags used by the CXX compiler during DEBUG builds."
FORCE
)
endif()
unset(cxx_flags_debug_overridden)
endif()
set(CMAKE_CXX_FLAGS_COVERAGE "-Og --coverage")
set(CMAKE_OBJCXX_FLAGS_COVERAGE "-Og --coverage")
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "--coverage")
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "--coverage")
get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(is_multi_config)
if(NOT "Coverage" IN_LIST CMAKE_CONFIGURATION_TYPES)
list(APPEND CMAKE_CONFIGURATION_TYPES Coverage)
endif()
endif()
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