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cmake: Rework flags summary #1558

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5d31c32
cmake, macOS: Provide all components of {compatibility,current}_version
hebasto Jul 1, 2024
8ff8b25
cmake: Rework flags summary
hebasto Jul 1, 2024
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29 changes: 3 additions & 26 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -334,34 +334,11 @@ endif()
message("Cross compiling ....................... ${cross_status}")
message("Valgrind .............................. ${SECP256K1_VALGRIND}")
get_directory_property(definitions COMPILE_DEFINITIONS)
string(REPLACE ";" " " definitions "${definitions}")
list(JOIN definitions " " definitions)
message("Preprocessor defined macros ........... ${definitions}")
message("C compiler ............................ ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER_VERSION}, ${CMAKE_C_COMPILER}")
message("CFLAGS ................................ ${CMAKE_C_FLAGS}")
get_directory_property(compile_options COMPILE_OPTIONS)
string(REPLACE ";" " " compile_options "${compile_options}")
message("Compile options ....................... " ${compile_options})
if(NOT is_multi_config)
message("Build type:")
message(" - CMAKE_BUILD_TYPE ................... ${CMAKE_BUILD_TYPE}")
string(TOUPPER "${CMAKE_BUILD_TYPE}" build_type)
message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_${build_type}}")
message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_${build_type}}")
message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_${build_type}}")
else()
message("Supported configurations .............. ${CMAKE_CONFIGURATION_TYPES}")
message("RelWithDebInfo configuration:")
message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_RELWITHDEBINFO}")
message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}")
message("Debug configuration:")
message(" - CFLAGS ............................. ${CMAKE_C_FLAGS_DEBUG}")
message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_DEBUG}")
message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}")
endif()
if(SECP256K1_APPEND_CFLAGS)
message("SECP256K1_APPEND_CFLAGS ............... ${SECP256K1_APPEND_CFLAGS}")
endif()
include(FlagsSummary)
flags_summary()
message("")
if(print_msan_notice)
message(
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87 changes: 87 additions & 0 deletions cmake/FlagsSummary.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,87 @@
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)

string(STRIP "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${config_uppercase}}" c_language_flags)
string(STRIP "${c_language_flags} ${CMAKE_C${CMAKE_C_STANDARD}_STANDARD_COMPILE_OPTION}" c_compiler_flags)
get_target_property(pic secp256k1 POSITION_INDEPENDENT_CODE)
if(pic AND CMAKE_C_COMPILE_OPTIONS_PIC)
string(APPEND c_compiler_flags " ${CMAKE_C_COMPILE_OPTIONS_PIC}")
endif()
if(CMAKE_C_COMPILE_OPTIONS_VISIBILITY AND CMAKE_C_VISIBILITY_PRESET)
string(APPEND c_compiler_flags " ${CMAKE_C_COMPILE_OPTIONS_VISIBILITY}${CMAKE_C_VISIBILITY_PRESET}")
endif()
get_directory_property(compile_options COMPILE_OPTIONS)
list(JOIN compile_options " " compile_options)
string(STRIP "${c_compiler_flags} ${compile_options}" c_compiler_flags)
string(STRIP "${c_compiler_flags} ${SECP256K1_APPEND_CFLAGS}" c_compiler_flags)
indent_message("C compiler flags ......................" "${c_compiler_flags}" ${indent_num})

if(BUILD_SHARED_LIBS)
string(STRIP "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_${config_uppercase}}" linker_flags)
if(NOT MSVC)
string(STRIP "${c_language_flags} ${linker_flags}" linker_flags)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
string(STRIP "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${linker_flags}" linker_flags)
get_target_property(soversion secp256k1 SOVERSION)
string(STRIP "${linker_flags} ${CMAKE_SHARED_LIBRARY_SONAME_C_FLAG}${PROJECT_NAME}.so.${soversion}" linker_flags)
endif()
if(APPLE)
get_target_property(compatibility_version secp256k1 MACHO_COMPATIBILITY_VERSION)
if(compatibility_version)
string(STRIP "${linker_flags} ${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${compatibility_version}" linker_flags)
endif()
get_target_property(current_version secp256k1 MACHO_CURRENT_VERSION)
if(compatibility_version)
string(STRIP "${linker_flags} ${CMAKE_C_OSX_CURRENT_VERSION_FLAG}${current_version}" linker_flags)
endif()
endif()
indent_message("Linker flags .........................." "${linker_flags}" ${indent_num})
else()
string(REGEX REPLACE "(^| )<[^ ]*>( |$)" "" archiver_options "${CMAKE_C_ARCHIVE_CREATE}")
string(STRIP "${archiver_options} ${CMAKE_STATIC_LINKER_FLAGS}" archiver_options)
string(STRIP "${archiver_options} ${CMAKE_STATIC_LINKER_FLAGS_${config_uppercase}}" archiver_options)
indent_message("Archiver options ......................" "${archiver_options}" ${indent_num})
endif()
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()
4 changes: 2 additions & 2 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -51,8 +51,8 @@ elseif(APPLE)
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.17)
math(EXPR ${PROJECT_NAME}_compatibility_version "${${PROJECT_NAME}_LIB_VERSION_CURRENT} + 1")
set_target_properties(secp256k1 PROPERTIES
MACHO_COMPATIBILITY_VERSION ${${PROJECT_NAME}_compatibility_version}
MACHO_CURRENT_VERSION ${${PROJECT_NAME}_compatibility_version}.${${PROJECT_NAME}_LIB_VERSION_REVISION}
MACHO_COMPATIBILITY_VERSION ${${PROJECT_NAME}_compatibility_version}.0.0
MACHO_CURRENT_VERSION ${${PROJECT_NAME}_compatibility_version}.${${PROJECT_NAME}_LIB_VERSION_REVISION}.0
)
unset(${PROJECT_NAME}_compatibility_version)
elseif(BUILD_SHARED_LIBS)
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