mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
4aed41d9b6
- normally 16MB is enough to run all tests, but it will exceed the stack, if -DSANITIZE=address is used.
191 lines
9.6 KiB
CMake
191 lines
9.6 KiB
CMake
#------------------------------------------------------------------------------
|
|
# EthCompilerSettings.cmake
|
|
#
|
|
# CMake file for cpp-ethereum project which specifies our compiler settings
|
|
# for each supported platform and build configuration.
|
|
#
|
|
# The documentation for cpp-ethereum is hosted at http://cpp-ethereum.org
|
|
#
|
|
# Copyright (c) 2014-2016 cpp-ethereum contributors.
|
|
#------------------------------------------------------------------------------
|
|
|
|
# Clang seeks to be command-line compatible with GCC as much as possible, so
|
|
# most of our compiler settings are common between GCC and Clang.
|
|
#
|
|
# These settings then end up spanning all POSIX platforms (Linux, OS X, BSD, etc)
|
|
|
|
include(EthCheckCXXCompilerFlag)
|
|
|
|
eth_add_cxx_compiler_flag_if_supported(-fstack-protector-strong have_stack_protector_strong_support)
|
|
if(NOT have_stack_protector_strong_support)
|
|
eth_add_cxx_compiler_flag_if_supported(-fstack-protector)
|
|
endif()
|
|
|
|
eth_add_cxx_compiler_flag_if_supported(-Wimplicit-fallthrough)
|
|
|
|
if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
|
|
|
|
# Use ISO C++11 standard language.
|
|
set(CMAKE_CXX_FLAGS -std=c++11)
|
|
|
|
# Enables all the warnings about constructions that some users consider questionable,
|
|
# and that are easy to avoid. Also enable some extra warning flags that are not
|
|
# enabled by -Wall. Finally, treat at warnings-as-errors, which forces developers
|
|
# to fix warnings as they arise, so they don't accumulate "to be fixed later".
|
|
add_compile_options(-Wall)
|
|
add_compile_options(-Wextra)
|
|
add_compile_options(-Werror)
|
|
|
|
# Disable warnings about unknown pragmas (which is enabled by -Wall). I assume we have external
|
|
# dependencies (probably Boost) which have some of these. Whatever the case, we shouldn't be
|
|
# disabling these globally. Instead, we should pragma around just the problem #includes.
|
|
#
|
|
# TODO - Track down what breaks if we do NOT do this.
|
|
add_compile_options(-Wno-unknown-pragmas)
|
|
|
|
# Configuration-specific compiler settings.
|
|
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DETH_DEBUG")
|
|
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
|
|
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
|
|
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
|
|
|
|
# Additional GCC-specific compiler settings.
|
|
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
|
|
|
|
# Check that we've got GCC 4.7 or newer.
|
|
execute_process(
|
|
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
|
|
if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
|
|
message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
|
|
endif ()
|
|
|
|
# Additional Clang-specific compiler settings.
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
|
|
if ("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
|
|
# Set stack size to 32MB - by default Apple's clang defines a stack size of 8MB.
|
|
# Normally 16MB is enough to run all tests, but it will exceed the stack, if -DSANITIZE=address is used.
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-stack_size -Wl,0x2000000")
|
|
endif()
|
|
|
|
# Some Linux-specific Clang settings. We don't want these for OS X.
|
|
if ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
|
|
|
|
# TODO - Is this even necessary? Why?
|
|
# See http://stackoverflow.com/questions/19774778/when-is-it-necessary-to-use-use-the-flag-stdlib-libstdc.
|
|
add_compile_options(-stdlib=libstdc++)
|
|
|
|
# Tell Boost that we're using Clang's libc++. Not sure exactly why we need to do.
|
|
add_definitions(-DBOOST_ASIO_HAS_CLANG_LIBCXX)
|
|
|
|
# Use fancy colors in the compiler diagnostics
|
|
add_compile_options(-fcolor-diagnostics)
|
|
|
|
# See "How to silence unused command line argument error with clang without disabling it?"
|
|
# When using -Werror with clang, it transforms "warning: argument unused during compilation" messages
|
|
# into errors, which makes sense.
|
|
# http://stackoverflow.com/questions/21617158/how-to-silence-unused-command-line-argument-error-with-clang-without-disabling-i
|
|
add_compile_options(-Qunused-arguments)
|
|
endif()
|
|
|
|
if (EMSCRIPTEN)
|
|
# Do not emit a separate memory initialiser file
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --memory-init-file 0")
|
|
# Leave only exported symbols as public and agressively remove others
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdata-sections -ffunction-sections -Wl,--gc-sections -fvisibility=hidden")
|
|
# Optimisation level
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
|
|
# Re-enable exception catching (optimisations above -O1 disable it)
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s DISABLE_EXCEPTION_CATCHING=0")
|
|
# Remove any code related to exit (such as atexit)
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s NO_EXIT_RUNTIME=1")
|
|
# Remove any code related to filesystem access
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s NO_FILESYSTEM=1")
|
|
# Remove variables even if it needs to be duplicated (can improve speed at the cost of size)
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s AGGRESSIVE_VARIABLE_ELIMINATION=1")
|
|
# Allow memory growth, but disable some optimisations
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ALLOW_MEMORY_GROWTH=1")
|
|
# Disable eval()
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s NO_DYNAMIC_EXECUTION=1")
|
|
# Disable greedy exception catcher
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s NODEJS_CATCH_EXIT=0")
|
|
# Abort if linking results in any undefined symbols
|
|
# Note: this is on by default in the CMake Emscripten module which we aren't using
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ERROR_ON_UNDEFINED_SYMBOLS=1")
|
|
add_definitions(-DETH_EMSCRIPTEN=1)
|
|
endif()
|
|
endif()
|
|
|
|
# The major alternative compiler to GCC/Clang is Microsoft's Visual C++ compiler, only available on Windows.
|
|
elseif (DEFINED MSVC)
|
|
|
|
add_compile_options(/MP) # enable parallel compilation
|
|
add_compile_options(/EHsc) # specify Exception Handling Model in msvc
|
|
add_compile_options(/WX) # enable warnings-as-errors
|
|
add_compile_options(/wd4068) # disable unknown pragma warning (4068)
|
|
add_compile_options(/wd4996) # disable unsafe function warning (4996)
|
|
add_compile_options(/wd4503) # disable decorated name length exceeded, name was truncated (4503)
|
|
add_compile_options(/wd4267) # disable conversion from 'size_t' to 'type', possible loss of data (4267)
|
|
add_compile_options(/wd4180) # disable qualifier applied to function type has no meaning; ignored (4180)
|
|
add_compile_options(/wd4290) # disable C++ exception specification ignored except to indicate a function is not __declspec(nothrow) (4290)
|
|
add_compile_options(/wd4244) # disable conversion from 'type1' to 'type2', possible loss of data (4244)
|
|
add_compile_options(/wd4800) # disable forcing value to bool 'true' or 'false' (performance warning) (4800)
|
|
add_compile_options(-D_WIN32_WINNT=0x0600) # declare Windows Vista API requirement
|
|
add_compile_options(-DNOMINMAX) # undefine windows.h MAX && MIN macros cause it cause conflicts with std::min && std::max functions
|
|
|
|
# Always use Release variant of C++ runtime.
|
|
# We don't want to provide Debug variants of all dependencies. Some default
|
|
# flags set by CMake must be tweaked.
|
|
string(REPLACE "/MDd" "/MD" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
|
|
string(REPLACE "/D_DEBUG" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
|
|
string(REPLACE "/RTC1" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
|
|
string(REPLACE "/MDd" "/MD" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
|
|
string(REPLACE "/D_DEBUG" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
|
|
string(REPLACE "/RTC1" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
|
|
set_property(GLOBAL PROPERTY DEBUG_CONFIGURATIONS OFF)
|
|
|
|
# disable empty object file warning
|
|
set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /ignore:4221")
|
|
# warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/SAFESEH' specification
|
|
# warning LNK4099: pdb was not found with lib
|
|
# stack size 16MB
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4099,4075 /STACK:16777216")
|
|
|
|
# If you don't have GCC, Clang or VC++ then you are on your own. Good luck!
|
|
else ()
|
|
message(WARNING "Your compiler is not tested, if you run into any issues, we'd welcome any patches.")
|
|
endif ()
|
|
|
|
if (SANITIZE)
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -fsanitize=${SANITIZE}")
|
|
if (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize-blacklist=${CMAKE_SOURCE_DIR}/sanitizer-blacklist.txt")
|
|
endif()
|
|
endif()
|
|
|
|
if (PROFILING AND (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")))
|
|
set(CMAKE_CXX_FLAGS "-g ${CMAKE_CXX_FLAGS}")
|
|
set(CMAKE_C_FLAGS "-g ${CMAKE_C_FLAGS}")
|
|
add_definitions(-DETH_PROFILING_GPERF)
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lprofiler")
|
|
# set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} -lprofiler")
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lprofiler")
|
|
endif ()
|
|
|
|
if (PROFILING AND (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")))
|
|
set(CMAKE_CXX_FLAGS "-g --coverage ${CMAKE_CXX_FLAGS}")
|
|
set(CMAKE_C_FLAGS "-g --coverage ${CMAKE_C_FLAGS}")
|
|
set(CMAKE_SHARED_LINKER_FLAGS "--coverage ${CMAKE_SHARED_LINKER_FLAGS} -lprofiler")
|
|
set(CMAKE_EXE_LINKER_FLAGS "--coverage ${CMAKE_EXE_LINKER_FLAGS} -lprofiler")
|
|
endif ()
|
|
|
|
if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
|
|
option(USE_LD_GOLD "Use GNU gold linker" ON)
|
|
if (USE_LD_GOLD)
|
|
execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
|
|
if ("${LD_VERSION}" MATCHES "GNU gold")
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=gold")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=gold")
|
|
endif ()
|
|
endif ()
|
|
endif ()
|