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foundationdb/cmake/ConfigureCompiler.cmake

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CMake
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include(CompilerChecks)
env_set(USE_GPERFTOOLS OFF BOOL "Use gperfools for profiling")
env_set(USE_DTRACE ON BOOL "Enable dtrace probes on supported platforms")
env_set(USE_VALGRIND OFF BOOL "Compile for valgrind usage")
env_set(USE_VALGRIND_FOR_CTEST ${USE_VALGRIND} BOOL "Use valgrind for ctest")
env_set(ALLOC_INSTRUMENTATION OFF BOOL "Instrument alloc")
env_set(USE_ASAN OFF BOOL "Compile with address sanitizer")
env_set(USE_GCOV OFF BOOL "Compile with gcov instrumentation")
env_set(USE_MSAN OFF BOOL "Compile with memory sanitizer. To avoid false positives you need to dynamically link to a msan-instrumented libc++ and libc++abi, which you must compile separately. See https://github.com/google/sanitizers/wiki/MemorySanitizerLibcxxHowTo#instrumented-libc.")
env_set(USE_TSAN OFF BOOL "Compile with thread sanitizer. It is recommended to dynamically link to a tsan-instrumented libc++ and libc++abi, which you can compile separately.")
env_set(USE_UBSAN OFF BOOL "Compile with undefined behavior sanitizer")
env_set(FDB_RELEASE_CANDIDATE OFF BOOL "This is a building of a release candidate")
env_set(FDB_RELEASE OFF BOOL "This is a building of a final release")
env_set(USE_CCACHE OFF BOOL "Use ccache for compilation if available")
env_set(RELATIVE_DEBUG_PATHS OFF BOOL "Use relative file paths in debug info")
env_set(USE_WERROR OFF BOOL "Compile with -Werror. Recommended for local development and CI.")
default_linker(_use_ld)
env_set(USE_LD "${_use_ld}" STRING
"The linker to use for building: can be LD (system default and same as DEFAULT), BFD, GOLD, or LLD - will be LLD for Clang if available, DEFAULT otherwise")
use_libcxx(_use_libcxx)
env_set(USE_LIBCXX "${_use_libcxx}" BOOL "Use libc++")
static_link_libcxx(_static_link_libcxx)
env_set(STATIC_LINK_LIBCXX "${_static_link_libcxx}" BOOL "Statically link libstdcpp/libc++")
env_set(TRACE_PC_GUARD_INSTRUMENTATION_LIB "" STRING "Path to a library containing an implementation for __sanitizer_cov_trace_pc_guard. See https://clang.llvm.org/docs/SanitizerCoverage.html for more info.")
env_set(PROFILE_INSTR_GENERATE OFF BOOL "If set, build FDB as an instrumentation build to generate profiles")
env_set(PROFILE_INSTR_USE "" STRING "If set, build FDB with profile")
env_set(FULL_DEBUG_SYMBOLS OFF BOOL "Generate full debug symbols")
env_set(ENABLE_LONG_RUNNING_TESTS OFF BOOL "Add a long running tests package")
set(is_swift_compile "$<COMPILE_LANGUAGE:Swift>")
set(is_cxx_compile "$<OR:$<COMPILE_LANGUAGE:CXX>,$<COMPILE_LANGUAGE:C>>")
set(is_swift_link "$<LINK_LANGUAGE:Swift>")
set(is_cxx_link "$<OR:$<LINK_LANGUAGE:CXX>,$<LINK_LANGUAGE:C>>")
set(USE_SANITIZER OFF)
if(USE_ASAN OR USE_VALGRIND OR USE_MSAN OR USE_TSAN OR USE_UBSAN)
set(USE_SANITIZER ON)
endif()
set(jemalloc_default ON)
# We don't want to use jemalloc on Windows
# Nor on FreeBSD, where jemalloc is the default system allocator
if(USE_SANITIZER OR WIN32 OR (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") OR APPLE)
set(jemalloc_default OFF)
endif()
env_set(USE_JEMALLOC ${jemalloc_default} BOOL "Link with jemalloc")
env_set(USE_CUSTOM_JEMALLOC OFF BOOL "Manually download and build jemalloc")
if(USE_LIBCXX AND STATIC_LINK_LIBCXX AND NOT USE_LD STREQUAL "LLD")
message(FATAL_ERROR "Unsupported configuration: STATIC_LINK_LIBCXX with libc++ only works if USE_LD=LLD")
endif()
if(STATIC_LINK_LIBCXX AND USE_TSAN)
message(FATAL_ERROR "Unsupported configuration: STATIC_LINK_LIBCXX doesn't work with tsan")
endif()
if(STATIC_LINK_LIBCXX AND USE_MSAN)
message(FATAL_ERROR "Unsupported configuration: STATIC_LINK_LIBCXX doesn't work with msan")
endif()
set(rel_debug_paths OFF)
if(RELATIVE_DEBUG_PATHS)
set(rel_debug_paths ON)
endif()
if(USE_GPERFTOOLS)
find_package(Gperftools REQUIRED)
endif()
add_compile_options(-DCMAKE_BUILD)
add_compile_definitions(BOOST_ERROR_CODE_HEADER_ONLY BOOST_SYSTEM_NO_DEPRECATED)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if(WIN32)
add_definitions(-DBOOST_USE_WINDOWS_H)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-D_ITERATOR_DEBUG_LEVEL=0)
add_definitions(-DNOGDI) # WinGDI.h defines macro ERROR
add_definitions(-D_USE_MATH_DEFINES) # Math constants
endif()
if(APPLE)
# Remove this after boost 1.81 or above is used
add_definitions(-D_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
endif()
if (USE_CCACHE)
find_program(CCACHE_PROGRAM "ccache" REQUIRED)
set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
endif()
include(CheckFunctionExists)
set(CMAKE_REQUIRED_INCLUDES stdlib.h malloc.h)
set(CMAKE_REQUIRED_LIBRARIES c)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
if(NOT OPEN_FOR_IDE)
add_compile_definitions(NO_INTELLISENSE)
endif()
if(NOT WIN32)
include(CheckIncludeFile)
CHECK_INCLUDE_FILE("stdatomic.h" HAS_C11_ATOMICS)
if (NOT HAS_C11_ATOMICS)
message(FATAL_ERROR "C compiler does not support c11 atomics")
endif()
endif()
if(WIN32)
# see: https://docs.microsoft.com/en-us/windows/desktop/WinProg/using-the-windows-headers
# this sets the windows target version to Windows Server 2003
set(WINDOWS_TARGET 0x0502)
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
# TODO: This doesn't seem to be good style, but I couldn't find a better way so far
string(REGEX REPLACE "/W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
endif()
add_compile_options(/W0 /EHsc /bigobj $<$<CONFIG:Release>:/Zi> /MP /FC /Gm-)
add_compile_definitions(NOMINMAX)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
else()
set(GCC NO)
set(CLANG NO)
set(ICX NO)
# CMAKE_CXX_COMPILER_ID is set to Clang even if CMAKE_CXX_COMPILER points to ICPX, so we have to check the compiler too.
if (${CMAKE_CXX_COMPILER} MATCHES ".*icpx")
set(ICX YES)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
set(CLANG YES)
else()
# This is not a very good test. However, as we do not really support many architectures
# this is good enough for now
set(GCC YES)
endif()
# check linker flags.
if (USE_LD STREQUAL "DEFAULT")
set(USE_LD "LD")
else()
if ((NOT (USE_LD STREQUAL "LD")) AND (NOT (USE_LD STREQUAL "GOLD")) AND (NOT (USE_LD STREQUAL "LLD")) AND (NOT (USE_LD STREQUAL "BFD")))
message (FATAL_ERROR "USE_LD must be set to DEFAULT, LD, BFD, GOLD, or LLD!")
endif()
endif()
# if USE_LD=LD, then we don't do anything, defaulting to whatever system
# linker is available (e.g. binutils doesn't normally exist on macOS, so this
# implies the default xcode linker, and other distros may choose others by
# default).
if(USE_LD STREQUAL "BFD")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=bfd -Wl,--disable-new-dtags")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=bfd -Wl,--disable-new-dtags")
endif()
if(USE_LD STREQUAL "GOLD")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold -Wl,--disable-new-dtags")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold -Wl,--disable-new-dtags")
endif()
if(USE_LD STREQUAL "LLD")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld -Wl,--disable-new-dtags")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld -Wl,--disable-new-dtags")
endif()
if(rel_debug_paths)
add_compile_options(
"$<${is_cxx_compile}:-fdebug-prefix-map=${CMAKE_SOURCE_DIR}=.>"
"$<${is_cxx_compile}:-fdebug-prefix-map=${CMAKE_BINARY_DIR}=.>"
)
endif()
set(SANITIZER_COMPILE_OPTIONS)
set(SANITIZER_LINK_OPTIONS)
add_compile_options("$<${is_cxx_compile}:-fno-omit-frame-pointer>")
if(CLANG)
# The default DWARF 5 format does not play nicely with GNU Binutils 2.39 and earlier, resulting
# in tools like addr2line omitting line numbers. We can consider removing this once we are able
# to use a version that has a fix.
add_compile_options("$<${is_cxx_compile}:-gdwarf-4>")
endif()
if(FDB_RELEASE OR FULL_DEBUG_SYMBOLS OR CMAKE_BUILD_TYPE STREQUAL "Debug")
# Configure with FULL_DEBUG_SYMBOLS=ON to generate all symbols for debugging with gdb
# Also generating full debug symbols in release builds. CPack will strip them out
# and create a debuginfo rpm
add_compile_options("$<${is_cxx_compile}:-ggdb>")
else()
# Generating minimal debug symbols by default. They are sufficient for testing purposes
add_compile_options("$<${is_cxx_compile}:-ggdb1>")
endif()
if(CLANG)
# The default DWARF 5 format does not play nicely with GNU Binutils 2.39 and earlier, resulting
# in tools like addr2line omitting line numbers. We can consider removing this once we are able
# to use a version that has a fix.
add_compile_options("$<${is_cxx_compile}:-gdwarf-4>")
endif()
if(NOT FDB_RELEASE)
# Enable compression of the debug sections. This reduces the size of the binaries several times.
# We do not enable it release builds, because CPack fails to generate debuginfo packages when
# compression is enabled
add_compile_options("$<${is_cxx_compile}:-gz>")
add_link_options("$<${is_cxx_compile}:-gz>")
endif()
if(TRACE_PC_GUARD_INSTRUMENTATION_LIB)
add_compile_options($<${is_cxx_compile}:-fsanitize-coverage=trace-pc-guard>)
link_libraries("$<${is_cxx_link}:${TRACE_PC_GUARD_INSTRUMENTATION_LIB}>")
list(APPEND BOOST_CXX_OPTIONS -fsanitize-coverage=trace-pc-guard)
list(APPEND BOOST_LINK_OPTIONS ${TRACE_PC_GUARD_INSTRUMENTATION_LIB})
endif()
if(USE_ASAN)
list(APPEND SANITIZER_COMPILE_OPTIONS
-fsanitize=address
-DADDRESS_SANITIZER
-DBOOST_USE_ASAN
-DBOOST_USE_UCONTEXT)
list(APPEND SANITIZER_LINK_OPTIONS -fsanitize=address)
list(APPEND BOOST_CXX_OPTIONS
-fsanitize=address
-DADDRESS_SANITIZER
-DBOOST_USE_ASAN
-DBOOST_USE_UCONTEXT
)
list(APPEND BOOST_LINK_OPTIONS -fsanitize=address)
endif()
if(USE_MSAN)
if(NOT CLANG)
message(FATAL_ERROR "Unsupported configuration: USE_MSAN only works with Clang")
endif()
list(APPEND SANITIZER_COMPILE_OPTIONS
-fsanitize=memory
-fsanitize-memory-track-origins=2
-DBOOST_USE_UCONTEXT)
list(APPEND SANITIZER_LINK_OPTIONS -fsanitize=memory)
list(APPEND BOOST_CXX_OPTIONS
-fsanitize=memory
-fsanitize-memory-track-origins=2
-DBOOST_USE_UCONTEXT
)
list(APPEND BOOST_LINK_OPTIONS -fsanitize=memory)
endif()
if(USE_GCOV)
add_compile_options($<${is_cxx_compile}:--coverage>)
add_link_options($<${is_cxx_link}:--coverage>)
list(APPEND BOOST_CXX_OPTIONS --coverage)
list(APPEND BOOST_LINK_OPTIONS --coverage)
endif()
if(USE_UBSAN)
list(APPEND SANITIZER_COMPILE_OPTIONS
$<${is_cxx_compile}:-fsanitize=undefined>
# TODO(atn34) Re-enable -fsanitize=alignment once https://github.com/apple/foundationdb/issues/1434 is resolved
$<${is_cxx_compile}:-fno-sanitize=alignment>
# https://github.com/apple/foundationdb/issues/7955
$<${is_cxx_compile}:-fno-sanitize=function>
$<${is_cxx_compile}:-DBOOST_USE_UCONTEXT>)
list(APPEND SANITIZER_LINK_OPTIONS $<${is_cxx_link}:-fsanitize=undefined>)
list(APPEND BOOST_COMPILER_FLAGS
-fsanitize=undefined
# TODO(atn34) Re-enable -fsanitize=alignment once https://github.com/apple/foundationdb/issues/1434 is resolved
-fno-sanitize=alignment
# https://github.com/apple/foundationdb/issues/7955
-fno-sanitize=function
-DBOOST_USE_UCONTEXT
)
list(APPEND BOOST_LINK_OPTIONS -fsanitize=undefined)
endif()
if(USE_TSAN)
list(APPEND SANITIZER_COMPILE_OPTIONS
$<${is_cxx_compile}:-fsanitize=thread>
$<${is_cxx_compile}:-DBOOST_USE_UCONTEXT>
)
list(APPEND SANITIZER_LINK_OPTIONS $<${is_cxx_link}:-fsanitize=thread>)
list(APPEND BOOST_CXX_OPTIONS
-fsanitize=thread
-DBOOST_USE_UCONTEXT
)
list(APPEND BOOST_LINK_OPTIONS -fsanitize=thread)
endif()
if(USE_VALGRIND)
list(APPEND SANITIZER_COMPILE_OPTIONS $<${is_cxx_compile}:-DBOOST_USE_VALGRIND>)
list(APPEND BOOST_CXX_OPTIONS -DBOOST_USE_VALGRIND)
endif()
if(SANITIZER_COMPILE_OPTIONS)
add_compile_options(${SANITIZER_COMPILE_OPTIONS})
endif()
if(SANITIZER_LINK_OPTIONS)
add_link_options(${SANITIZER_LINK_OPTIONS})
endif()
if(PORTABLE_BINARY)
message(STATUS "Create a more portable binary")
set(CMAKE_MODULE_LINKER_FLAGS "-static-libstdc++ -static-libgcc ${CMAKE_MODULE_LINKER_FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS "-static-libstdc++ -static-libgcc ${CMAKE_SHARED_LINKER_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "-static-libstdc++ -static-libgcc ${CMAKE_EXE_LINKER_FLAGS}")
endif()
if(STATIC_LINK_LIBCXX)
if (NOT USE_LIBCXX AND NOT APPLE)
add_link_options($<${is_cxx_link}:-static-libstdc++>
$<${is_cxx_link}:-static-libgcc>
)
endif()
endif()
# # Instruction sets we require to be supported by the CPU
# TODO(atn34) Re-enable once https://github.com/apple/foundationdb/issues/1434 is resolved
# Some of the following instructions have alignment requirements, so it seems
# prudent to disable them until we properly align memory.
# add_compile_options(
# -maes
# -mmmx
# -mavx
# -msse4.2)
# Tentatively re-enabling vector instructions
set(USE_AVX512F OFF CACHE BOOL "Enable AVX 512F instructions")
if (USE_AVX512F)
if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^x86")
add_compile_options($<${is_cxx_compile}:-mavx512f>)
elseif(USE_VALGRIND)
message(STATUS "USE_VALGRIND=ON make USE_AVX OFF to satisfy valgrind analysis requirement")
set(USE_AVX512F OFF)
else()
message(STATUS "USE_AVX512F is supported on x86 or x86_64 only")
set(USE_AVX512F OFF)
endif()
endif()
set(USE_AVX ON CACHE BOOL "Enable AVX instructions")
if (USE_AVX)
if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^x86")
add_compile_options($<${is_cxx_compile}:-mavx>)
elseif(USE_VALGRIND)
message(STATUS "USE_VALGRIND=ON make USE_AVX OFF to satisfy valgrind analysis requirement")
set(USE_AVX OFF)
else()
message(STATUS "USE_AVX is supported on x86 or x86_64 only")
set(USE_AVX OFF)
endif()
endif()
# Intentionally using builtin memcpy. G++ does a good job on small memcpy's when the size is known at runtime.
# If the size is not known, then it falls back on the memcpy that's available at runtime (rte_memcpy, as of this
# writing; see flow.cpp).
#
# The downside of the builtin memcpy is that it's slower at large copies, so if we spend a lot of time on large
# copies of sizes that are known at compile time, this might not be a win. See the output of performance/memcpy
# for more information.
#add_compile_options(-fno-builtin-memcpy)
if (USE_LIBCXX)
# Make sure that libc++ can be found be the platform's loader, so that thing's like cmake's "try_run" work.
find_library(LIBCXX_SO_PATH c++ /usr/local/lib)
if (LIBCXX_SO_PATH)
get_filename_component(LIBCXX_SO_DIR ${LIBCXX_SO_PATH} DIRECTORY)
if (APPLE)
set(ENV{DYLD_LIBRARY_PATH} "$ENV{DYLD_LIBRARY_PATH}:${LIBCXX_SO_DIR}")
else()
# NOT APPLE
set(ENV{LD_LIBRARY_PATH} "$ENV{LD_LIBRARY_PATH}:${LIBCXX_SO_DIR}")
if (STATIC_LINK_LIBCXX)
add_link_options(
$<${is_cxx_link}:-static-libgcc>
$<${is_cxx_link}:-nostdlib++>
$<${is_cxx_link}:-Wl,-Bstatic>
$<${is_cxx_link}:-lc++>
$<${is_cxx_link}:-lc++abi>
$<${is_cxx_link}:-Wl,-Bdynamic>
)
add_link_options($<${is_swift_link}:-static-stdlib>)
endif()
add_link_options(
$<${is_cxx_link}:-stdlib=libc++>
"$<${is_cxx_link}:-Wl,-build-id=sha1>"
)
endif()
endif()
endif()
if (CLANG OR ICX)
if (APPLE OR USE_LIBCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
if (NOT APPLE)
if (STATIC_LINK_LIBCXX)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -nostdlib++ -Wl,-Bstatic -lc++ -lc++abi -Wl,-Bdynamic")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libgcc -nostdlib++ -Wl,-Bstatic -lc++ -lc++abi -Wl,-Bdynamic")
endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -Wl,-build-id=sha1")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++ -Wl,-build-id=sha1")
endif()
endif()
if (NOT APPLE AND NOT USE_LIBCXX)
message(STATUS "Linking libatomic")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -latomic")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -latomic")
endif()
if (OPEN_FOR_IDE)
add_compile_options($<${is_cxx_compile}:-Wno-unknown-attributes>)
endif()
add_compile_options(
$<${is_cxx_compile}:-Wall>
$<${is_cxx_compile}:-Wextra>
$<${is_cxx_compile}:-Wredundant-move>
$<${is_cxx_compile}:-Wpessimizing-move>
$<${is_cxx_compile}:-Woverloaded-virtual>
$<${is_cxx_compile}:-Wshift-sign-overflow>
# Here's the current set of warnings we need to explicitly disable to compile warning-free with clang 11
$<${is_cxx_compile}:-Wno-sign-compare>
$<${is_cxx_compile}:-Wno-undefined-var-template>
$<${is_cxx_compile}:-Wno-unknown-warning-option>
$<${is_cxx_compile}:-Wno-unused-parameter>
$<${is_cxx_compile}:-Wno-constant-logical-operand>
# These need to be disabled for FDB's RocksDB storage server implementation
$<${is_cxx_compile}:-Wno-deprecated-copy>
$<${is_cxx_compile}:-Wno-delete-non-abstract-non-virtual-dtor>
$<${is_cxx_compile}:-Wno-range-loop-construct>
$<${is_cxx_compile}:-Wno-reorder-ctor>
# Needed for clang 13 (todo: Update above logic so that it figures out when to pass in -static-libstdc++ and when it will be ignored)
# When you remove this, you might need to move it back to the USE_CCACHE stanza. It was (only) there before I moved it here.
$<${is_cxx_compile}:-Wno-unused-command-line-argument>
# Disable C++ 20 warning for ambiguous operator.
$<${is_cxx_compile}:-Wno-ambiguous-reversed-operator>
)
# These need to be disabled for FDB's RocksDB storage server implementation
add_compile_options(
$<${is_cxx_compile}:-Wno-deprecated-copy>
$<${is_cxx_compile}:-Wno-delete-non-abstract-non-virtual-dtor>
$<${is_cxx_compile}:-Wno-range-loop-construct>
$<${is_cxx_compile}:-Wno-reorder-ctor>
$<${is_cxx_compile}:-Wno-unused-function>
)
# Needed for clang 13 (todo: Update above logic so that it figures out when to pass in -static-libstdc++ and when it will be ignored)
# When you remove this, you might need to move it back to the USE_CCACHE stanza. It was (only) there before I moved it here.
add_compile_options(
$<${is_cxx_compile}:-Wno-unused-command-line-argument>
$<${is_cxx_compile}:-Wno-unused-private-field>
$<${is_cxx_compile}:-Wno-nullability-completeness>
$<${is_cxx_compile}:-Wno-macro-redefined>
)
if (USE_CCACHE)
add_compile_options(
$<${is_cxx_compile}:-Wno-register>
)
endif()
if (PROFILE_INSTR_GENERATE)
add_compile_options($<${is_cxx_compile}:-fprofile-instr-generate>)
add_link_options($<${is_cxx_link}:-fprofile-instr-generate>)
endif()
if (NOT (PROFILE_INSTR_USE STREQUAL ""))
if (PROFILE_INSTR_GENERATE)
message(FATAL_ERROR "Can't set both PROFILE_INSTR_GENERATE and PROFILE_INSTR_USE")
endif()
add_compile_options(
$<${is_cxx_compile}:-Wno-error=profile-instr-out-of-date>
$<${is_cxx_compile}:-Wno-error=profile-instr-unprofiled>
)
add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-fprofile-instr-use=${PROFILE_INSTR_USE}>)
add_link_options($<$<OR$<LINK_LANGUAGE:C>,$<LINK_LANGUAGE:CXX>>:-fprofile-instr-use=${PROFILE_INSTR_USE}>)
endif()
endif()
if (USE_WERROR)
add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:-Werror>)
endif()
if (GCC)
add_compile_options(-Wno-pragmas)
# Otherwise `state [[maybe_unused]] int x;` will issue a warning.
# https://stackoverflow.com/questions/50646334/maybe-unused-on-member-variable-gcc-warns-incorrectly-that-attribute-is
add_compile_options(-Wno-attributes)
endif()
add_compile_options(
$<${is_cxx_compile}:-Wno-error=format>
$<${is_cxx_compile}:-Wunused-variable>
$<${is_cxx_compile}:-Wno-deprecated>
$<${is_cxx_compile}:-fvisibility=hidden>
$<${is_cxx_compile}:-Wreturn-type>
$<${is_cxx_compile}:-fPIC>
)
if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^x86" AND NOT CLANG AND NOT ICX)
add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-Wclass-memaccess>)
endif()
if (GPERFTOOLS_FOUND AND GCC)
add_compile_options(
$<${is_cxx_compile}:-fno-builtin-malloc>
$<${is_cxx_compile}:-fno-builtin-calloc>
$<${is_cxx_compile}:-fno-builtin-realloc>
$<${is_cxx_compile}:-fno-builtin-free>
)
endif()
if (ICX)
find_library(CXX_LIB NAMES c++ PATHS "/usr/local/lib" REQUIRED)
find_library(CXX_ABI_LIB NAMES c++abi PATHS "/usr/local/lib" REQUIRED)
add_compile_options($<${is_cxx_compile}:-ffp-contract=on>)
# No libc++ and libc++abi in Intel LIBRARY_PATH
link_libraries(${CXX_LIB} ${CXX_ABI_LIB})
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
# Graviton2 or later
# https://github.com/aws/aws-graviton-gettting-started
add_compile_options($<${is_cxx_compile}:-march=armv8.2-a+crc+simd>)
endif()
if (CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
add_compile_options(
$<${is_cxx_compile}:-m64>
$<${is_cxx_compile}:-mcpu=power9>
$<${is_cxx_compile}:-mtune=power9>
$<${is_cxx_compile}:-DNO_WARN_X86_INTRINSICS>
)
endif()
# Check whether we can use dtrace probes
include(CheckSymbolExists)
check_symbol_exists(DTRACE_PROBE sys/sdt.h SUPPORT_DTRACE)
check_symbol_exists(aligned_alloc stdlib.h HAS_ALIGNED_ALLOC)
message(STATUS "Has aligned_alloc: ${HAS_ALIGNED_ALLOC}")
if((SUPPORT_DTRACE) AND (USE_DTRACE))
set(DTRACE_PROBES 1)
message(STATUS "DTrace probes installed")
endif()
set(USE_LTO OFF CACHE BOOL "Do link time optimization")
if (USE_LTO)
if (CLANG)
set(CLANG_LTO_STRATEGY "Thin" CACHE STRING "LLVM LTO strategy (Thin, or Full)")
if (CLANG_LTO_STRATEGY STREQUAL "Full")
add_compile_options($<$<CONFIG:Release>:-flto=full>)
else()
add_compile_options($<$<CONFIG:Release>:-flto=thin>)
endif()
set(CMAKE_RANLIB "llvm-ranlib")
set(CMAKE_AR "llvm-ar")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
add_compile_options($<$<CONFIG:Release>:-flto>)
set(CMAKE_AR "gcc-ar")
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH true)
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_FINISH true)
endif()
endif()
endif()
#####################################
## Setup the Swift compiler options.
#####################################
if (WITH_SWIFT)
set(SwiftOptions "")
# Let Swift know where to find the external GCC toolchain if such toolchain is used.
if (CMAKE_Swift_COMPILER_EXTERNAL_TOOLCHAIN)
# FIXME: adopt driver flag once it lands:
# https://github.com/apple/swift-driver/pull/1307.
set(SwiftOptions "${SwiftOptions} -Xcc --gcc-toolchain=${CMAKE_Swift_COMPILER_EXTERNAL_TOOLCHAIN}")
set(SwiftOptions "${SwiftOptions} -Xclang-linker --gcc-toolchain=${CMAKE_Swift_COMPILER_EXTERNAL_TOOLCHAIN}")
endif()
# Set the module cache path.
set(SWIFT_MODULE_CACHE_PATH ${CMAKE_BINARY_DIR}/module-cache)
set(SwiftOptions "${SwiftOptions} -module-cache-path ${SWIFT_MODULE_CACHE_PATH}")
# Enable Swift <-> C++ interoperability.
set(SwiftOptions "${SwiftOptions} -cxx-interoperability-mode=swift-5.9")
set(SwiftOptions "${SwiftOptions} -Xcc -DWITH_SWIFT")
# Suppress noisy C++ warnings from Swift.
set(SwiftOptions "${SwiftOptions} -Xcc -Wno-deprecated -Xcc -Wno-undefined-var-template")
# Suppress rapidjson noisy GCC pragma diagnostics.
set(SwiftOptions "${SwiftOptions} -Xcc -Wno-unknown-warning-option")
if (FOUNDATIONDB_CROSS_COMPILING)
# Cross-compilation options.
# For some reason we need to specify -sdk explicitly to pass config-time
# cmake checks, even though Swift does tend to pass it by itself for the
# actual compilation.
string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} TripleArch)
set(SwiftOptions "${SwiftOptions} -target ${TripleArch}-unknown-linux-gnu -sdk ${CMAKE_SYSROOT} -resource-dir ${CMAKE_SYSROOT}/usr/lib/swift")
if (CMAKE_LINKER)
set(SwiftOptions "${SwiftOptions} -use-ld=${CMAKE_LINKER}")
endif()
# C++ files need path to swift resources to find C++ interoperability
# Swift builtin headers.
add_compile_options($<${is_cxx_compile}:-I${CMAKE_SYSROOT}/usr/lib/swift>)
endif()
set(CMAKE_Swift_FLAGS "${SwiftOptions}" CACHE STRING "" FORCE)
if (FOUNDATIONDB_CROSS_COMPILING)
# For cross-compilation: make sure the Stdlib .swiftmodule files are available.
include(SwiftCrossCompileForceModuleRebuild)
swift_force_import_rebuild_of_stdlib()
endif()
# Verify that Swift can import C++ standard library.
include(CompilerChecks)
check_swift_source_compiles("import CxxStdlib" CanImportCxxStdlibIntoSwift)
if (NOT CanImportCxxStdlibIntoSwift)
message(FATAL_ERROR "Swift compiler: can not import C++ standard library into Swift; did you forget to set 'CMAKE_Swift_COMPILER_EXTERNAL_TOOLCHAIN'?")
endif()
endif()
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