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CMakeLists.txt
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# Copyright (c) 2014-2022, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckLinkerFlag)
include(CheckLibraryExists)
include(CheckFunctionExists)
include(FindPythonInterp)
if (IOS)
INCLUDE(CmakeLists_IOS.txt)
endif()
cmake_minimum_required(VERSION 3.5)
message(STATUS "CMake version ${CMAKE_VERSION}")
project(monero)
option (USE_CCACHE "Use ccache if a usable instance is found" ON)
if (USE_CCACHE)
include(FindCcache) # Has to be included after the project() macro, to be able to read the CXX variable.
else()
message(STATUS "ccache deselected")
endif()
option (USE_COMPILATION_TIME_PROFILER "Use compilation time profiler (for CLang >= 9 only)" OFF)
if (USE_COMPILATION_TIME_PROFILER)
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(FATAL_ERROR "The flag USE_COMPILATION_TIME_PROFILER is meant to be set only for CLang compiler!")
endif()
add_compile_options("-ftime-trace")
endif()
if (${CMAKE_VERSION} VERSION_GREATER "3.0.0" AND CMAKE_MAKE_PROGRAM MATCHES "ninja")
set(MONERO_PARALLEL_COMPILE_JOBS "" CACHE STRING "The maximum number of concurrent compilation jobs.")
if (MONERO_PARALLEL_COMPILE_JOBS)
set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${MONERO_PARALLEL_COMPILE_JOBS})
set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
endif ()
set(MONERO_PARALLEL_LINK_JOBS "" CACHE STRING "The maximum number of concurrent link jobs.")
if (MONERO_PARALLEL_LINK_JOBS)
set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${MONERO_PARALLEL_LINK_JOBS})
set(CMAKE_JOB_POOL_LINK link_job_pool)
endif ()
endif ()
option (USE_CLANG_TIDY_C "Lint the code with clang-tidy - variant C" OFF)
option (USE_CLANG_TIDY_CXX "Lint the code with clang-tidy - variant C++" OFF)
if (USE_CLANG_TIDY_C AND USE_CLANG_TIDY_CXX)
message(FATAL_ERROR "Enabling both USE_CLANG_TIDY_C and USE_CLANG_TIDY_CXX simultaneously crashes clang-tidy.")
endif()
if (USE_CLANG_TIDY_C OR USE_CLANG_TIDY_CXX)
include(SetClangTidy)
endif()
if (USE_CLANG_TIDY_C)
monero_clang_tidy("C")
elseif (USE_CLANG_TIDY_CXX)
monero_clang_tidy("CXX")
endif()
enable_language(C ASM)
# Require C11/C++11 and disable extensions for all targets
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
function (die msg)
if (NOT WIN32)
string(ASCII 27 Esc)
set(ColourReset "${Esc}[m")
set(BoldRed "${Esc}[1;31m")
else ()
set(ColourReset "")
set(BoldRed "")
endif ()
message(FATAL_ERROR "${BoldRed}${msg}${ColourReset}")
endfunction ()
function (add_c_flag_if_supported flag var)
# Prepending the flag with -Werror will only add the flag,
# if it doesn't result in generation of a warning of using a flag unknown to the compiler.
set(TMP "-Werror ${flag}")
string(REGEX REPLACE "[- ]" "_" supported ${TMP}_c)
check_c_compiler_flag(${TMP} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_cxx_flag_if_supported flag var)
set(TMP "-Werror ${flag}")
string(REGEX REPLACE "[- ]" "_" supported ${TMP}_cxx)
check_cxx_compiler_flag(${TMP} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_linker_flag_if_supported flag var)
string(REPLACE "-" "_" supported ${flag}_ld)
string(REPLACE "," "_" supported ${flag}_ld)
check_linker_flag(${flag} ${supported})
if(${${supported}})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
function (add_definition_if_function_found function var)
string(REPLACE "-" "_" supported ${function}_function)
check_function_exists(${function} ${supported})
if(${${supported}})
add_definitions("-D${var}")
endif()
endfunction()
function (add_definition_if_library_exists library function header var)
string(REPLACE "-" "_" supported ${function}_library)
check_library_exists(${library} ${function} ${header} ${supported})
if(${${supported}})
add_definitions("-D${var}")
endif()
endfunction()
option(RELINK_TARGETS "Relink targets, when just a dependant .so changed, but not its header?" OFF)
function (monero_set_target_no_relink target)
if (RELINK_TARGETS MATCHES OFF)
# Will not relink the target, when just its dependant .so has changed, but not it's interface
set_target_properties("${target}" PROPERTIES LINK_DEPENDS_NO_SHARED true)
endif()
endfunction()
option(STRIP_TARGETS "Strip symbols from targets?" OFF)
function (monero_set_target_strip target)
if (STRIP_TARGETS)
set_target_properties("${target}" PROPERTIES LINK_FLAGS_RELEASE -s)
set_target_properties("${target}" PROPERTIES LINK_FLAGS_DEBUG -s)
# Stripping from Debug might make sense if you're low on disk space, but want to test if debug version builds properly.
endif()
endfunction()
function (monero_add_minimal_executable name)
source_group("${name}"
FILES
${ARGN})
add_executable("${name}"
${ARGN})
monero_set_target_no_relink("${name}")
monero_set_target_strip ("${name}")
endfunction()
# Finds all headers in a directory and its subdirs, to be able to search for them and autosave in IDEs.
#
# Parameters:
# - headers_found: Output variable, which will hold the found headers
# - module_root_dir: The search path for the headers. Typically it will be the module's root dir, so "${CMAKE_CURRENT_SOURCE_DIR}" or a derivative of it.
macro (monero_find_all_headers headers_found module_root_dir)
file(GLOB ${headers_found}
"${module_root_dir}/*.h*" # h* will include hpps as well.
"${module_root_dir}/**/*.h*" # Any number of subdirs will be included.
"${module_root_dir}/*.inl" # .inl is typically template code and is being treated as headers (it's being included).
"${module_root_dir}/**/*.inl"
)
endmacro()
# Function to forbid undefined symbols and also verify
# 1) Test project with all types of libraries and without undefined symbols can compile successfully
# 2) Test project with all types of libraries and undefined symbols can not compile successfully
function(forbid_undefined_symbols)
unset(TMP)
# https://www.unix.com/man-page/linux/1/ld, --no-undefined, Report unresolved symbol references from regular object files.
add_linker_flag_if_supported(-Wl,--no-undefined TMP)
# https://www.unix.com/man-page/osx/1/ld/, -undefined, Specifies how undefined symbols are to be treated.
add_linker_flag_if_supported(-Wl,-undefined,error TMP)
string(APPEND CMAKE_SHARED_LINKER_FLAGS ${TMP})
string(APPEND CMAKE_MODULE_LINKER_FLAGS ${TMP})
set(CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} PARENT_SCOPE)
set(CMAKE_MODULE_LINKER_FLAGS ${CMAKE_MODULE_LINKER_FLAGS} PARENT_SCOPE)
set(TEST_PROJECT "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp/test_project")
foreach(EXPECT IN ITEMS TRUE FALSE)
file(REMOVE_RECURSE "${TEST_PROJECT}")
file(MAKE_DIRECTORY "${TEST_PROJECT}")
file(WRITE "${TEST_PROJECT}/CMakeLists.txt"
[=[
cmake_minimum_required(VERSION 3.1)
project(test)
option(EXPECT_SUCCESS "" ON)
file(WRITE "${CMAKE_SOURCE_DIR}/incorrect_source.cpp" "void undefined_symbol(); void symbol() { undefined_symbol(); }")
if (EXPECT_SUCCESS)
file(APPEND "${CMAKE_SOURCE_DIR}/incorrect_source.cpp" " void undefined_symbol() {}; ")
endif()
add_library(l0 SHARED incorrect_source.cpp)
add_library(l1 MODULE incorrect_source.cpp)
add_library(l2 STATIC incorrect_source.cpp)
add_library(l3 OBJECT incorrect_source.cpp)
]=]
)
try_compile(SUCCESS "${TEST_PROJECT}/build" "${TEST_PROJECT}" test
CMAKE_FLAGS
"-DCMAKE_SHARED_LINKER_FLAGS=${CMAKE_SHARED_LINKER_FLAGS}"
"-DCMAKE_MODULE_LINKER_FLAGS=${CMAKE_MODULE_LINKER_FLAGS}"
"-DEXPECT_SUCCESS=${EXPECT}"
)
if (NOT ${SUCCESS} STREQUAL ${EXPECT})
message(FATAL_ERROR "Undefined symbols test failure: expect(${EXPECT}), success(${SUCCESS})")
endif()
file(REMOVE_RECURSE "${TEST_PROJECT}")
endforeach()
endfunction()
if (NOT (CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*") AND NOT OSSFUZZ)
forbid_undefined_symbols()
endif()
if (MINGW)
function(export_all_symbols)
unset(TMP)
add_linker_flag_if_supported(-Wl,--export-all-symbols TMP)
string(APPEND CMAKE_SHARED_LINKER_FLAGS ${TMP})
string(APPEND CMAKE_MODULE_LINKER_FLAGS ${TMP})
set(CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} PARENT_SCOPE)
set(CMAKE_MODULE_LINKER_FLAGS ${CMAKE_MODULE_LINKER_FLAGS} PARENT_SCOPE)
endfunction()
export_all_symbols()
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
message(STATUS "Setting default build type: ${CMAKE_BUILD_TYPE}")
endif()
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
# ARCH defines the target architecture, either by an explicit identifier or
# one of the following two keywords. By default, ARCH a value of 'native':
# target arch = host arch, binary is not portable. When ARCH is set to the
# string 'default', no -march arg is passed, which creates a binary that is
# portable across processors in the same family as host processor. In cases
# when ARCH is not set to an explicit identifier, cmake's builtin is used
# to identify the target architecture, to direct logic in this cmake script.
# Since ARCH is a cached variable, it will not be set on first cmake invocation.
if (NOT ARCH_ID)
if (NOT ARCH OR ARCH STREQUAL "" OR ARCH STREQUAL "native" OR ARCH STREQUAL "default")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "")
set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR})
endif()
set(ARCH_ID "${CMAKE_SYSTEM_PROCESSOR}")
else()
set(ARCH_ID "${ARCH}")
endif()
endif()
string(TOLOWER "${ARCH_ID}" ARM_ID)
string(SUBSTRING "${ARM_ID}" 0 3 ARM_TEST)
if (ARM_TEST STREQUAL "arm")
set(ARM 1)
string(SUBSTRING "${ARM_ID}" 0 5 ARM_TEST)
if (ARM_TEST STREQUAL "armv6")
set(ARM6 1)
endif()
if (ARM_TEST STREQUAL "armv7")
set(ARM7 1)
endif()
endif()
if (ARM_ID STREQUAL "aarch64" OR ARM_ID STREQUAL "arm64" OR ARM_ID STREQUAL "armv8-a")
set(ARM 1)
set(ARM8 1)
set(ARCH "armv8-a")
endif()
if(ARCH_ID STREQUAL "ppc64le")
set(PPC64LE 1)
set(PPC64 0)
set(PPC 0)
endif()
if(ARCH_ID STREQUAL "powerpc64" OR ARCH_ID STREQUAL "ppc64")
set(PPC64LE 0)
set(PPC64 1)
set(PPC 0)
endif()
if(ARCH_ID STREQUAL "powerpc" OR ARCH_ID STREQUAL "ppc")
set(PPC64LE 0)
set(PPC64 0)
set(PPC 1)
endif()
if(ARCH_ID STREQUAL "s390x")
set(S390X 1)
endif()
if(ARCH_ID STREQUAL "riscv64")
set(RISCV 1)
set(RISCV64 1)
endif()
if(ARCH_ID STREQUAL "riscv32")
set(RISCV 1)
set(RISCV32 1)
endif()
if(WIN32 OR ARM OR PPC64LE OR PPC64 OR PPC)
set(OPT_FLAGS_RELEASE "-O2")
else()
set(OPT_FLAGS_RELEASE "-Ofast")
endif()
# BUILD_TAG is used to select the build type to check for a new version
if(BUILD_TAG)
message(STATUS "Building build tag ${BUILD_TAG}")
add_definitions("-DBUILD_TAG=${BUILD_TAG}")
else()
message(STATUS "Building without build tag")
endif()
if(NOT MANUAL_SUBMODULES)
find_package(Git)
if(GIT_FOUND)
function (check_submodule relative_path)
execute_process(COMMAND git rev-parse "HEAD" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${relative_path} OUTPUT_VARIABLE localHead)
execute_process(COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE checkedHead)
string(COMPARE EQUAL "${localHead}" "${checkedHead}" upToDate)
if (upToDate)
message(STATUS "Submodule '${relative_path}' is up-to-date")
else()
message(FATAL_ERROR "Submodule '${relative_path}' is not up-to-date. Please update all submodules with\ngit submodule update --init --force\nor run cmake with -DMANUAL_SUBMODULES=1\n")
endif()
endfunction ()
message(STATUS "Checking submodules")
check_submodule(external/miniupnp)
check_submodule(external/rapidjson)
check_submodule(external/trezor-common)
check_submodule(external/randomx)
check_submodule(external/supercop)
endif()
endif()
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
# set this to 0 if per-block checkpoint needs to be disabled
set(PER_BLOCK_CHECKPOINT 1)
if(PER_BLOCK_CHECKPOINT)
add_definitions("-DPER_BLOCK_CHECKPOINT")
set(Blocks "blocks")
else()
set(Blocks "")
endif()
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_SOURCE_DIR}/cmake")
if (NOT DEFINED ENV{DEVELOPER_LOCAL_TOOLS})
message(STATUS "Could not find DEVELOPER_LOCAL_TOOLS in env (not required)")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
elseif ("$ENV{DEVELOPER_LOCAL_TOOLS}" EQUAL 1)
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 1")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT ON)
else()
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 0")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
endif()
message(STATUS "BOOST_IGNORE_SYSTEM_PATHS defaults to ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT}")
option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost installation" ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT})
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
enable_testing()
option(BUILD_DOCUMENTATION "Build the Doxygen documentation." ON)
option(BUILD_TESTS "Build tests." OFF)
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(DEFAULT_BUILD_DEBUG_UTILITIES ON)
else()
set(DEFAULT_BUILD_DEBUG_UTILITIES OFF)
endif()
option(BUILD_DEBUG_UTILITIES "Build debug utilities." DEFAULT_BUILD_DEBUG_UTILITIES)
if(OSSFUZZ)
message(STATUS "Using OSS-Fuzz fuzzing system")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DOSSFUZZ")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DOSSFUZZ")
endif()
# Check whether we're on a 32-bit or 64-bit system
if(CMAKE_SIZEOF_VOID_P EQUAL "8")
set(DEFAULT_BUILD_64 ON)
else()
set(DEFAULT_BUILD_64 OFF)
endif()
option(BUILD_64 "Build for 64-bit? 'OFF' builds for 32-bit." ${DEFAULT_BUILD_64})
if(BUILD_64)
set(ARCH_WIDTH "64")
else()
set(ARCH_WIDTH "32")
endif()
message(STATUS "Building for a ${ARCH_WIDTH}-bit system")
# Check if we're on FreeBSD so we can exclude the local miniupnpc (it should be installed from ports instead)
# CMAKE_SYSTEM_NAME checks are commonly known, but specifically taken from libsdl's CMakeLists
if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*|FreeBSD")
set(FREEBSD TRUE)
endif()
# Check if we're on DragonFly BSD. See the README.md for build instructions.
if(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*")
set(DRAGONFLY TRUE)
endif()
# Check if we're on OpenBSD. See the README.md for build instructions.
if(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
set(OPENBSD TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
set(NETBSD TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
set(BSDI TRUE)
endif()
include_directories(external/rapidjson/include external/easylogging++ src contrib/epee/include external external/supercop/include)
if(APPLE)
cmake_policy(SET CMP0042 NEW)
endif()
if(MSVC OR MINGW)
set(DEFAULT_STATIC true)
else()
set(DEFAULT_STATIC false)
endif()
option(STATIC "Link libraries statically" ${DEFAULT_STATIC})
# This is a CMake built-in switch that concerns internal libraries
set(BUILD_SHARED_LIBS_DEFAULT OFF)
if (NOT STATIC AND CMAKE_BUILD_TYPE_LOWER STREQUAL "debug")
set(BUILD_SHARED_LIBS_DEFAULT ON)
endif()
option(BUILD_SHARED_LIBS "Build internal libraries as shared" ${BUILD_SHARED_LIBS_DEFAULT})
if (BUILD_SHARED_LIBS)
message(STATUS "Building internal libraries with position independent code")
add_definitions("-DBUILD_SHARED_LIBS")
else()
message(STATUS "Building internal libraries as static")
endif()
set(PIC_FLAG "-fPIC")
if(MINGW)
string(REGEX MATCH "^[^/]:/[^/]*" msys2_install_path "${CMAKE_C_COMPILER}")
message(STATUS "MSYS location: ${msys2_install_path}")
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include")
# This is necessary because otherwise CMake will make Boost libraries -lfoo
# rather than a full path. Unfortunately, this makes the shared libraries get
# linked due to a bug in CMake which misses putting -static flags around the
# -lfoo arguments.
set(DEFLIB ${msys2_install_path}/mingw${ARCH_WIDTH}/lib)
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
endif()
if(STATIC)
if(MSVC)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .dll.a .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DZMQ_STATIC")
endif()
option(SANITIZE "Use ASAN memory sanitizer" OFF)
if(SANITIZE)
if (MSVC)
message(FATAL_ERROR "Cannot sanitize with MSVC")
else()
message(STATUS "Using ASAN")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif()
endif()
# Set default blockchain storage location:
# memory was the default in Cryptonote before Monero implemented LMDB, it still works but is unnecessary.
# set(DATABASE memory)
set(DATABASE lmdb)
message(STATUS "Using LMDB as default DB type")
set(BLOCKCHAIN_DB DB_LMDB)
add_definitions("-DDEFAULT_DB_TYPE=\"lmdb\"")
add_definitions("-DBLOCKCHAIN_DB=${BLOCKCHAIN_DB}")
# Can't install hook in static build on OSX, because OSX linker does not support --wrap
# On ARM, having libunwind package (with .so's only) installed breaks static link.
# When possible, avoid stack tracing using libunwind in favor of using easylogging++.
if (APPLE OR NETBSD)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
elseif (DEPENDS AND NOT LINUX)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT MINGW)
set(DEFAULT_STACK_TRACE ON)
set(STACK_TRACE_LIB "easylogging++") # for diag output only
set(LIBUNWIND_LIBRARIES "")
elseif (ARM)
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
else()
find_package(Libunwind)
if(LIBUNWIND_FOUND)
set(DEFAULT_STACK_TRACE ON)
set(STACK_TRACE_LIB "libunwind") # for diag output only
else()
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
endif()
endif()
option(STACK_TRACE "Install a hook that dumps stack on exception" ${DEFAULT_STACK_TRACE})
if(STACK_TRACE)
message(STATUS "Stack trace on exception enabled (using ${STACK_TRACE_LIB})")
else()
message(STATUS "Stack trace on exception disabled")
endif()
if (UNIX AND NOT APPLE)
# Note that at the time of this writing the -Wstrict-prototypes flag added below will make this fail
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
add_c_flag_if_supported(-pthread CMAKE_C_FLAGS)
add_cxx_flag_if_supported(-pthread CMAKE_CXX_FLAGS)
endif()
# Handle OpenSSL, used for sha256sum on binary updates and light wallet ssl http
if (CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthreads")
endif ()
if (APPLE AND NOT IOS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=default")
if (NOT OPENSSL_ROOT_DIR)
EXECUTE_PROCESS(COMMAND brew --prefix openssl
OUTPUT_VARIABLE OPENSSL_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Using OpenSSL found at ${OPENSSL_ROOT_DIR}")
endif()
endif()
find_package(OpenSSL REQUIRED)
message(STATUS "Using OpenSSL include dir at ${OPENSSL_INCLUDE_DIR}")
include_directories(${OPENSSL_INCLUDE_DIR})
if(STATIC AND NOT IOS)
if(UNIX)
set(OPENSSL_LIBRARIES "${OPENSSL_LIBRARIES};${CMAKE_DL_LIBS};${CMAKE_THREAD_LIBS_INIT}")
endif()
endif()
if (WIN32)
list(APPEND OPENSSL_LIBRARIES ws2_32 crypt32)
endif()
find_package(HIDAPI)
add_definition_if_library_exists(c memset_s "string.h" HAVE_MEMSET_S)
add_definition_if_library_exists(c explicit_bzero "strings.h" HAVE_EXPLICIT_BZERO)
add_definition_if_function_found(strptime HAVE_STRPTIME)
add_definitions(-DAUTO_INITIALIZE_EASYLOGGINGPP)
set(MONERO_GENERATED_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated_include")
include_directories(${MONERO_GENERATED_HEADERS_DIR})
# As of OpenBSD 6.8, -march=<anything> breaks the build
function(set_default_arch)
if (OPENBSD)
set(ARCH default)
else()
set(ARCH native)
endif()
set(ARCH ${ARCH} CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
endfunction()
if (NOT (MSVC OR ARCH))
set_default_arch()
endif()
option(COVERAGE "Enable profiling for test coverage report" OFF)
if(COVERAGE)
message(STATUS "Building with profiling for test coverage report")
endif()
macro (monero_enable_coverage)
if(COVERAGE)
foreach(COV_FLAG -fprofile-arcs -ftest-coverage --coverage)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COV_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COV_FLAG}")
endforeach()
endif()
endmacro()
function (monero_add_library name)
monero_add_library_with_deps(NAME "${name}" SOURCES ${ARGN})
endfunction()
function (monero_add_library_with_deps)
cmake_parse_arguments(MONERO_ADD_LIBRARY "" "NAME" "DEPENDS;SOURCES" ${ARGN})
source_group("${MONERO_ADD_LIBRARY_NAME}" FILES ${MONERO_ADD_LIBRARY_SOURCES})
# Define a ("virtual") object library and an actual library that links those
# objects together. The virtual libraries can be arbitrarily combined to link
# any subset of objects into one library archive. This is used for releasing
# libwallet, which combines multiple components.
set(objlib obj_${MONERO_ADD_LIBRARY_NAME})
add_library(${objlib} OBJECT ${MONERO_ADD_LIBRARY_SOURCES})
add_library("${MONERO_ADD_LIBRARY_NAME}" $<TARGET_OBJECTS:${objlib}>)
monero_set_target_no_relink("${MONERO_ADD_LIBRARY_NAME}")
monero_set_target_strip ("${MONERO_ADD_LIBRARY_NAME}")
if (MONERO_ADD_LIBRARY_DEPENDS)
add_dependencies(${objlib} ${MONERO_ADD_LIBRARY_DEPENDS})
endif()
set_property(TARGET "${MONERO_ADD_LIBRARY_NAME}" PROPERTY FOLDER "libs")
target_compile_definitions(${objlib}
PRIVATE $<TARGET_PROPERTY:${MONERO_ADD_LIBRARY_NAME},INTERFACE_COMPILE_DEFINITIONS>)
endfunction ()
# Generate header for embedded translations
# Generate header for embedded translations, use target toolchain if depends, otherwise use the
# lrelease and lupdate binaries from the host
include(ExternalProject)
ExternalProject_Add(generate_translations_header
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/translations"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/translations"
STAMP_DIR ${LRELEASE_PATH}
CMAKE_ARGS -DLRELEASE_PATH=${LRELEASE_PATH}
INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "")
include_directories("${CMAKE_CURRENT_BINARY_DIR}/translations")
add_subdirectory(external)
# Final setup for libunbound
include_directories(${UNBOUND_INCLUDE_DIR})
# Final setup for easylogging++
include_directories(${EASYLOGGING_INCLUDE})
link_directories(${EASYLOGGING_LIBRARY_DIRS})
# Final setup for liblmdb
include_directories(${LMDB_INCLUDE})
# Final setup for libunwind
include_directories(${LIBUNWIND_INCLUDE})
link_directories(${LIBUNWIND_LIBRARY_DIRS})
# Final setup for hid
if (HIDAPI_FOUND)
message(STATUS "Using HIDAPI include dir at ${HIDAPI_INCLUDE_DIR}")
add_definitions(-DHAVE_HIDAPI)
include_directories(${HIDAPI_INCLUDE_DIR})
link_directories(${LIBHIDAPI_LIBRARY_DIRS})
else()
message(STATUS "Could not find HIDAPI")
endif()
# Trezor support check
include(CheckTrezor)
if(MSVC)
add_definitions("/bigobj /MP /W3 /GS- /D_CRT_SECURE_NO_WARNINGS /wd4996 /wd4345 /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /FIinline_c.h /D__SSE4_1__")
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Dinline=__inline")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760")
if(STATIC)
foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endforeach()
endif()
include_directories(SYSTEM src/platform/msc)
else()
include(TestCXXAcceptsFlag)
message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")
if(ARCH STREQUAL "default")
set(ARCH_FLAG "")
elseif(PPC64LE)
set(ARCH_FLAG "-mcpu=power8")
elseif(PPC64)
set(ARCH_FLAG "-mcpu=970")
elseif(PPC)
set(ARCH_FLAG "-mcpu=7400")
elseif(IOS AND ARCH STREQUAL "arm64")
message(STATUS "IOS: Changing arch from arm64 to armv8")
set(ARCH_FLAG "-march=armv8")
else()
set(ARCH_FLAG "-march=${ARCH}")
if(ARCH STREQUAL "native")
check_c_compiler_flag(-march=native CC_SUPPORTS_MARCH_NATIVE)
if (NOT CC_SUPPORTS_MARCH_NATIVE)
check_c_compiler_flag(-mtune=native CC_SUPPORTS_MTUNE_NATIVE)
if (CC_SUPPORTS_MTUNE_NATIVE)
set(ARCH_FLAG "-mtune=${ARCH}")
else()
set(ARCH_FLAG "")
endif()
endif()
endif()
endif()
option(NO_AES "Explicitly disable AES support" ${NO_AES})
if(NO_AES)
message(STATUS "AES support explicitly disabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNO_AES")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNO_AES")
elseif(NOT ARM AND NOT PPC64LE AND NOT PPC64 AND NOT PPC AND NOT S390X AND NOT RISCV)
message(STATUS "AES support enabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
elseif(PPC64LE OR PPC64 OR PPC)
message(STATUS "AES support not available on POWER")
elseif(S390X)
message(STATUS "AES support not available on s390x")
elseif(RISCV)
message(STATUS "AES support not available on RISC-V")
elseif(ARM6)
message(STATUS "AES support not available on ARMv6")
elseif(ARM7)
message(STATUS "AES support not available on ARMv7")
elseif(ARM8)
CHECK_CXX_ACCEPTS_FLAG("-march=${ARCH}+crypto" ARCH_PLUS_CRYPTO)
if(ARCH_PLUS_CRYPTO)
message(STATUS "Crypto extensions enabled for ARMv8")
set(ARCH_FLAG "-march=${ARCH}+crypto")
else()
message(STATUS "Crypto extensions unavailable on your ARMv8 device")
endif()
else()
message(STATUS "AES support disabled")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_FLAG}")
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized")
if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(ARM)
set(WARNINGS "${WARNINGS} -Wno-error=inline-asm")
endif()
else()
set(WARNINGS "${WARNINGS} -Wlogical-op -Wno-error=maybe-uninitialized -Wno-error=cpp")
endif()
if(MINGW)
set(WARNINGS "${WARNINGS} -Wno-error=unused-value -Wno-error=unused-but-set-variable")
set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN")
set(Boost_THREADAPI win32)
include_directories(SYSTEM src/platform/mingw)
# mingw doesn't support LTO (multiple definition errors at link time)
set(USE_LTO_DEFAULT false)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,10485760")
if(NOT BUILD_64)
add_definitions(-DWINVER=0x0501 -D_WIN32_WINNT=0x0501)
endif()
endif()
set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" CMAKE_FLAGS -DCMAKE_C_STANDARD=11)
if(STATIC_ASSERT_RES)
set(STATIC_ASSERT_FLAG "")
else()
set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
endif()
try_compile(STATIC_ASSERT_CPP_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.cpp" CMAKE_FLAGS -DCMAKE_CXX_STANDARD=11)
if(STATIC_ASSERT_CPP_RES)
set(STATIC_ASSERT_CPP_FLAG "")
else()
set(STATIC_ASSERT_CPP_FLAG "-Dstatic_assert=_Static_assert")
endif()
monero_enable_coverage()
# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
# is fixed in the code (Issue #847), force compiler to be conservative.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
# if those don't work for your compiler, single it out where appropriate
if(CMAKE_BUILD_TYPE STREQUAL "Release" AND NOT OPENBSD)
set(C_SECURITY_FLAGS "${C_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
set(CXX_SECURITY_FLAGS "${CXX_SECURITY_FLAGS} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1")
endif()
# warnings
add_c_flag_if_supported(-Wformat C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-Wformat-security C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Wformat-security CXX_SECURITY_FLAGS)
# -fstack-protector
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fstack-protector C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector CXX_SECURITY_FLAGS)
add_c_flag_if_supported(-fstack-protector-strong C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-protector-strong CXX_SECURITY_FLAGS)
endif()
# New in GCC 8.2
if (NOT OPENBSD AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1)))
add_c_flag_if_supported(-fcf-protection=full C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fcf-protection=full CXX_SECURITY_FLAGS)
endif()
if (NOT WIN32 AND NOT OPENBSD)
add_c_flag_if_supported(-fstack-clash-protection C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-fstack-clash-protection CXX_SECURITY_FLAGS)
endif()
# Removed in GCC 9.1 (or before ?), but still accepted, so spams the output
if (NOT (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1))
add_c_flag_if_supported(-mmitigate-rop C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-mmitigate-rop CXX_SECURITY_FLAGS)
endif()
# linker
if (NOT SANITIZE AND NOT OSSFUZZ AND NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (CMAKE_C_COMPILER_VERSION VERSION_LESS 9.1 OR NOT STATIC))))
# PIE executables randomly crash at startup with ASAN
# Windows binaries die on startup with PIE when compiled with GCC <9.x
# Windows dynamically-linked binaries die on startup with PIE regardless of GCC version
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
# Clang does not support -pie flag
add_linker_flag_if_supported("-Wl,-pie" LD_SECURITY_FLAGS)
else()
add_linker_flag_if_supported("-pie" LD_SECURITY_FLAGS)
endif()
endif()
add_linker_flag_if_supported(-Wl,-z,relro LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,now LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,-z,noexecstack noexecstack_SUPPORTED)
if (noexecstack_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecstack")
endif()
add_linker_flag_if_supported(-Wl,-z,noexecheap noexecheap_SUPPORTED)
if (noexecheap_SUPPORTED)
set(LD_SECURITY_FLAGS "${LD_SECURITY_FLAGS} -Wl,-z,noexecheap")
endif()
if(BACKCOMPAT)
add_linker_flag_if_supported(-Wl,--wrap=__divmoddi4 LD_BACKCOMPAT_FLAGS)
add_linker_flag_if_supported(-Wl,--wrap=glob LD_BACKCOMPAT_FLAGS)
message(STATUS "Using Lib C back compat flags: ${LD_BACKCOMPAT_FLAGS}")
endif()
# some windows linker bits
if (WIN32)
add_linker_flag_if_supported(-Wl,--dynamicbase LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--nxcompat LD_SECURITY_FLAGS)
add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS)
endif()
# Warnings, that when ignored are so severe, that they can segfault or even UB any application.
# Treat them as errors.
add_c_flag_if_supported( -Werror=switch C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=switch CXX_SECURITY_FLAGS)
add_c_flag_if_supported( -Werror=return-type C_SECURITY_FLAGS)
add_cxx_flag_if_supported(-Werror=return-type CXX_SECURITY_FLAGS)
message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}")
message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}")
message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${PIC_FLAG} ${C_SECURITY_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_CPP_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${PIC_FLAG} ${CXX_SECURITY_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LD_SECURITY_FLAGS} ${LD_BACKCOMPAT_FLAGS}")
# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
# is fixed in the code (Issue #847), force compiler to be conservative.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
if(ARM)
message(STATUS "Setting FPU Flags for ARM Processors")
#NB NEON hardware does not fully implement the IEEE 754 standard for floating-point arithmetic
#Need custom assembly code to take full advantage of NEON SIMD
#Cortex-A5/9 -mfpu=neon-fp16
#Cortex-A7/15 -mfpu=neon-vfpv4
#Cortex-A8 -mfpu=neon
#ARMv8 -FP and SIMD on by default for all ARM8v-A series, NO -mfpu setting needed
#For custom -mtune, processor IDs for ARMv8-A series:
#0xd04 - Cortex-A35
#0xd07 - Cortex-A57
#0xd08 - Cortex-A72
#0xd03 - Cortex-A73
if(NOT ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp3-d16 CXX_ACCEPTS_VFP3_D16)
CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp4 CXX_ACCEPTS_VFP4)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=hard CXX_ACCEPTS_MFLOAT_HARD)
CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=softfp CXX_ACCEPTS_MFLOAT_SOFTFP)
endif()
if(ARM8)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-843419 CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
endif()
if(ARM6)
message(STATUS "Selecting VFP for ARMv6")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp")
if(DEPENDS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -marm")
endif()
endif(ARM6)
if(ARM7)
if(CXX_ACCEPTS_VFP3_D16 AND NOT CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP3 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp3-d16")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp3-d16")
endif()
if(CXX_ACCEPTS_VFP4)
message(STATUS "Selecting VFP4 for ARMv7")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp4")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp4")
endif()
if(CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Hardware ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard")
endif()
if(CXX_ACCEPTS_MFLOAT_SOFTFP AND NOT CXX_ACCEPTS_MFLOAT_HARD)
message(STATUS "Setting Software ABI for Floating Point")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=softfp")
endif()
endif(ARM7)
if(ARM8)
if(CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
message(STATUS "Enabling Cortex-A53 workaround 835769")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
endif()
if(CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
message(STATUS "Enabling Cortex-A53 workaround 843419")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-843419")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-843419")
endif()
endif(ARM8)
endif(ARM)
# random crash on startup when asan is on if pie is enabled
if(NOT SANITIZE AND ANDROID AND NOT BUILD_GUI_DEPS STREQUAL "ON" OR IOS)
#From Android 5: "only position independent executables (PIE) are supported"
message(STATUS "Enabling PIE executable")
set(PIC_FLAG "")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIE")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} -fPIE -pie")
endif()