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CMakeLists.txt
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# The following only applies to changes made to this file as part of YugaByte development.
#
# Portions Copyright (c) YugaByte, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
# in compliance with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed under the License
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
# or implied. See the License for the specific language governing permissions and limitations
# under the License.
#
# Portions Copyright (c) YugaByte, Inc.
# Require cmake that includes FindICU module (https://cmake.org/cmake/help/v3.7/release/3.7.html)
cmake_minimum_required(VERSION 3.7.0)
# =================================================================================================
# Functions
# =================================================================================================
function(CHECK_YB_COMPILER_PATH COMPILER_PATH)
if(NOT "${COMPILER_PATH}" MATCHES "/compiler-wrappers/(cc|c[+][+])$" AND
NOT "${CMAKE_COMMAND}" MATCHES "/[.]?(CLion|clion)")
message(
SEND_ERROR
"Invalid compiler path: '${COMPILER_PATH}'. Expected to end with one of: "
"/compiler-wrappers/{cc,c++}. The only exception is for builds invoked from CLion, but "
"CMAKE_COMMAND ('${CMAKE_COMMAND}') does not contain a substring '/[.]CLion' or '/[.]clion' "
"(feel free to tweak the pattern in the top-level CMakeLists.txt if it has to be updated "
"for the most recent version of CLion).")
endif()
endfunction()
# Determine the number of CPUs to be used so we can call make on existing Makefiles (e.g. RocksDB)
# with the right level of parallelism. Snippet taken from https://blog.kitware.com/how-many-ya-got/
function(DETECT_NUMBER_OF_PROCESSORS)
if(NOT DEFINED PROCESSOR_COUNT)
# Unknown:
set(PROCESSOR_COUNT 0)
# Linux:
set(cpuinfo_file "/proc/cpuinfo")
if(EXISTS "${cpuinfo_file}")
file(STRINGS "${cpuinfo_file}" procs REGEX "^processor.: [0-9]+$")
list(LENGTH procs PROCESSOR_COUNT)
endif()
# Mac:
if(APPLE)
execute_process(COMMAND /usr/sbin/sysctl -n hw.ncpu OUTPUT_VARIABLE PROCESSOR_COUNT)
# Strip trailing newline (otherwise it may get into the generated Makefile).
string(STRIP "${PROCESSOR_COUNT}" PROCESSOR_COUNT)
endif()
# Windows:
if(WIN32)
set(PROCESSOR_COUNT "$ENV{NUMBER_OF_PROCESSORS}")
endif()
endif()
if (NOT DEFINED PROCESSOR_COUNT OR "${PROCESSOR_COUNT}" STREQUAL "")
message(FATAL_ERROR "Could not determine the number of logical CPUs")
endif()
message("Detected the number of logical CPUs: ${PROCESSOR_COUNT}")
set(PROCESSOR_COUNT "${PROCESSOR_COUNT}" PARENT_SCOPE)
endfunction()
# Prevent builds from the top-level source directory. This ensures that build output is well
# isolated from the source tree.
function(ENFORCE_OUT_OF_SOURCE_BUILD)
if("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
message(FATAL_ERROR
"YugaByte may not be built from the top-level source directory. Create a new "
"directory and run cmake from there, passing the path to the top-level "
"source directory as the last argument. "
"To override this, rerun CMake with -DYB_ALLOW_IN_SOURCE_BUILD=0. "
"Also, delete 'CMakeCache.txt' and 'CMakeFiles' from the top-level source "
"directory, otherwise future builds will not work.")
endif()
endfunction()
function(DETECT_BREW)
# Detect Linuxbrew. The logic needs to be consistent with the detect_linuxbrew function in
# common-build-env.sh.
set(USING_LINUXBREW FALSE)
set(USING_CUSTOM_HOMEBREW FALSE)
if(APPLE)
set(CUSTOM_HOMEBREW_DIR "$ENV{YB_CUSTOM_HOMEBREW_DIR}")
if("${CUSTOM_HOMEBREW_DIR}" STREQUAL "")
set(CUSTOM_HOMEBREW_DIR "$ENV{HOME}/.linuxbrew-yb-build")
endif()
if(EXISTS "${CUSTOM_HOMEBREW_DIR}/bin" AND
EXISTS "${CUSTOM_HOMEBREW_DIR}/lib")
message("Custom Homebrew installation found at ${CUSTOM_HOMEBREW_DIR}")
set(USING_CUSTOM_HOMEBREW TRUE)
else()
message("Not using custom Homebrew: no valid Homebewr installation found at "
"${CUSTOM_HOMEBREW_DIR}")
endif()
else()
set(LINUXBREW_DIR "$ENV{YB_LINUXBREW_DIR}")
if("${LINUXBREW_DIR}" STREQUAL "")
set(LINUXBREW_DIR "$ENV{HOME}/.linuxbrew-yb-build")
endif()
if(EXISTS "${LINUXBREW_DIR}/bin" AND
EXISTS "${LINUXBREW_DIR}/lib")
message("Linuxbrew found at ${LINUXBREW_DIR}")
set(USING_LINUXBREW TRUE)
else()
message("Not using Linuxbrew: no valid Linuxbrew installation found at "
"${LINUXBREW_DIR}")
endif()
endif()
if(NOT USING_LINUXBREW)
set(LINUXBREW_DIR "/tmp/not-using-linuxbrew")
endif()
if(NOT USING_CUSTOM_HOMEBREW)
set(CUSTOM_HOMEBREW_DIR "/tmp/not-using-custom-homebrew")
endif()
set(USING_LINUXBREW "${USING_LINUXBREW}" PARENT_SCOPE)
set(LINUXBREW_DIR "${LINUXBREW_DIR}" PARENT_SCOPE)
set(LINUXBREW_LIB_DIR "${LINUXBREW_DIR}/lib" PARENT_SCOPE)
set(USING_CUSTOM_HOMEBREW "${USING_CUSTOM_HOMEBREW}" PARENT_SCOPE)
set(CUSTOM_HOMEBREW_DIR "${CUSTOM_HOMEBREW_DIR}" PARENT_SCOPE)
set(CUSTOM_HOMEBREW_LIB_DIR "${CUSTOM_HOMEBREW_DIR}/lib" PARENT_SCOPE)
endfunction()
# Ensures that the YB_COMPILER_TYPE environment variable matches the auto-detected compiler family.
# Also this sets the convienience variables IS_GCC and IS_CLANG.
function(INIT_COMPILER_TYPE)
get_filename_component(BUILD_ROOT_BASENAME "${CMAKE_CURRENT_BINARY_DIR}" NAME)
if ("$ENV{YB_COMPILER_TYPE}" STREQUAL "")
# TODO: deduplicate this.
string(REGEX MATCH "^.*-zapcc-.*$" RE_MATCH_RESULT "${BUILD_ROOT_BASENAME}")
if (NOT "${RE_MATCH_RESULT}" STREQUAL "")
set(ENV{YB_COMPILER_TYPE} "zapcc")
else()
string(REGEX MATCH "^.*-gcc-.*$" RE_MATCH_RESULT "${BUILD_ROOT_BASENAME}")
if (NOT "${RE_MATCH_RESULT}" STREQUAL "")
set(ENV{YB_COMPILER_TYPE} "gcc")
else()
string(REGEX MATCH "^.*-clang-.*$" RE_MATCH_RESULT "${BUILD_ROOT_BASENAME}")
if (NOT "${RE_MATCH_RESULT}" STREQUAL "")
set(ENV{YB_COMPILER_TYPE} "clang")
endif()
endif()
endif()
endif()
message("YB_COMPILER_TYPE env var: $ENV{YB_COMPILER_TYPE}")
endfunction()
# Makes sure that we are using a supported compiler family.
function(VALIDATE_COMPILER_TYPE)
set(USING_SANITIZERS FALSE PARENT_SCOPE)
if ("${YB_USE_ASAN}" OR "${YB_USE_TSAN}" OR "${YB_USE_UBSAN}")
if (NOT "$ENV{YB_COMPILER_TYPE}" STREQUAL "" AND
NOT "$ENV{YB_COMPILER_TYPE}" STREQUAL "clang")
message(FATAL_ERROR
"YB_COMPILER_TYPE is set to '$ENV{YB_COMPILER_TYPE}', but it must be 'clang' for "
"ASAN/TSAN/UBSAN builds. "
"YB_USE_ASAN=${YB_USE_ASAN}, "
"YB_USE_TSAN=${YB_USE_TSAN}, "
"YB_USE_UBSAN=${YB_USE_UBSAN}")
endif()
set(ENV{YB_COMPILER_TYPE} "clang")
set(USING_SANITIZERS TRUE PARENT_SCOPE)
endif()
if ("$ENV{YB_COMPILER_TYPE}" STREQUAL "")
set(ENV{YB_COMPILER_TYPE} "${COMPILER_FAMILY}")
endif()
if ("$ENV{YB_COMPILER_TYPE}" STREQUAL "zapcc")
if (NOT "${COMPILER_FAMILY}" STREQUAL "clang")
message(FATAL_ERROR
"Compiler type is zapcc but the compiler family is '${COMPILER_FAMILY}' "
"(expected to be clang)")
endif()
elseif (NOT "$ENV{YB_COMPILER_TYPE}" STREQUAL "${COMPILER_FAMILY}")
message(FATAL_ERROR
"YB_COMPILER_TYPE environment variable ($ENV{YB_COMPILER_TYPE}) does not match the "
"compiler family detected by CMake (${COMPILER_FAMILY}")
endif()
if (NOT "${COMPILER_FAMILY}" STREQUAL "gcc" AND
NOT "${COMPILER_FAMILY}" STREQUAL "clang")
message(FATAL_ERROR "Unknown compiler family: ${COMPILER_FAMILY} (expected 'gcc' or 'clang').")
endif()
set(IS_CLANG FALSE PARENT_SCOPE)
if ("${COMPILER_FAMILY}" STREQUAL "clang")
set(IS_CLANG TRUE PARENT_SCOPE)
endif()
set(IS_GCC FALSE PARENT_SCOPE)
if ("${COMPILER_FAMILY}" STREQUAL "gcc")
set(IS_GCC TRUE PARENT_SCOPE)
endif()
endfunction()
# Functions for adding compiler/linker flags ------------------------------------------------------
# Linker flags applied to both executables and shared libraries. We append this both to
# CMAKE_EXE_LINKER_FLAGS and CMAKE_SHARED_LINKER_FLAGS after we finish making changes to this.
# These flags apply to both YB and RocksDB parts of the codebase.
function(ADD_LINKER_FLAGS FLAGS)
message("Adding to linker flags: ${FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}" PARENT_SCOPE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}" PARENT_SCOPE)
endfunction()
function(ADD_GLOBAL_RPATH_ENTRY RPATH_ENTRY)
if (RPATH_ENTRY STREQUAL "")
message(FATAL_ERROR "Trying to add an empty rpath entry.")
endif()
message("Adding a global rpath entry: ${RPATH_ENTRY}")
set(FLAGS "-Wl,-rpath,${RPATH_ENTRY}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}" PARENT_SCOPE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}" PARENT_SCOPE)
endfunction()
# CXX_YB_COMMON_FLAGS are flags that are common across the 'src/yb' portion of the codebase (but do
# not apply to the 'src/rocksdb' part). "Common" in the name refers to the fact that they are common
# across different build types.
#
# Compiler flags that are common across debug/release builds:
# -msse4.2: Enable sse4.2 compiler intrinsics.
# -Wall: Enable all warnings.
# -Wno-sign-compare: suppress warnings for comparison between signed and unsigned integers
# -Wno-deprecated: some of the gutil code includes old things like ext/hash_set, ignore that
# -pthread: enable multithreaded malloc
# -fno-strict-aliasing
# Assume programs do not follow strict aliasing rules. GCC cannot always verify whether strict
# aliasing rules are indeed followed due to fundamental limitations in escape analysis, which
# can result in subtle bad code generation. This has a small perf hit but worth it to avoid
# hard to debug crashes.
function(ADD_CXX_FLAGS FLAGS)
message("Adding C++ flags: ${FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}" PARENT_SCOPE)
endfunction()
ADD_CXX_FLAGS("-Werror")
ADD_CXX_FLAGS("-fno-strict-aliasing -msse4.2 -Wall -Wno-sign-compare -Wno-deprecated")
ADD_CXX_FLAGS("-Winvalid-pch")
ADD_CXX_FLAGS("-pthread -DBOOST_BIND_NO_PLACEHOLDERS")
ADD_LINKER_FLAGS("-pthread")
if (NOT APPLE)
ADD_CXX_FLAGS("-DBOOST_UUID_RANDOM_PROVIDER_FORCE_POSIX")
endif()
ADD_CXX_FLAGS("-DROCKSDB_PLATFORM_POSIX -DROCKSDB_USING_THREAD_STATUS=0")
ADD_CXX_FLAGS("-DBOOST_ERROR_CODE_HEADER_ONLY")
function(YB_INCLUDE_EXTENSIONS)
file(RELATIVE_PATH CUR_REL_LIST_FILE "${YB_SRC_ROOT}" "${CMAKE_CURRENT_LIST_FILE}")
get_filename_component(CUR_REL_LIST_NAME_NO_EXT "${CUR_REL_LIST_FILE}" NAME_WE)
get_filename_component(CUR_REL_LIST_DIR "${CUR_REL_LIST_FILE}" DIRECTORY)
set(YB_MATCHING_ENTERPRISE_DIR "${YB_SRC_ROOT}/ent/${CUR_REL_LIST_DIR}" PARENT_SCOPE)
set(YB_MATCHING_ENTERPRISE_DIR "${YB_SRC_ROOT}/ent/${CUR_REL_LIST_DIR}")
set(INCLUDED_PATH "${YB_MATCHING_ENTERPRISE_DIR}/${CUR_REL_LIST_NAME_NO_EXT}-include.txt")
message("Including '${INCLUDED_PATH}' into '${CMAKE_CURRENT_LIST_FILE}'")
include("${INCLUDED_PATH}")
endfunction()
set(YB_NUM_TESTS "0" CACHE INTERNAL "Number of tests" FORCE)
set(YB_NUM_INCLUDED_TESTS "0" CACHE INTERNAL "Number of included tests" FORCE)
set(YB_NUM_EXECUTABLES "0" CACHE INTERNAL "Number of executables" FORCE)
set(YB_NUM_INCLUDED_EXECUTABLES "0" CACHE INTERNAL "Number of included executables" FORCE)
set(YB_ALL_DEPS "" CACHE INTERNAL "All dependencies" FORCE)
# This is used to let the add_executable wrapper know if we're adding a test.
set(YB_ADDING_TEST_EXECUTABLE "FALSE" CACHE INTERNAL "" FORCE)
function(yb_remember_dependency target)
# We use \\n instead of a real newline as this is stored in the CMake cache, and some versions
# of CMake can't parse their own cache in case some values have newlines.
set(YB_ALL_DEPS "${YB_ALL_DEPS}\\n${target}: ${ARGN}" CACHE INTERNAL "All dependencies" FORCE)
endfunction()
# Wrap add_dependencies so that we can capture dependencies for external processing. We use this
# when determining what tests to run for a particular set of changes.
function(add_dependencies target)
if (TARGET "${target}" OR NOT ${YB_FILTERING_TARGETS})
yb_remember_dependency(${target} ${ARGN})
_add_dependencies(${target} ${ARGN})
endif()
endfunction()
function(target_link_libraries target)
if (TARGET "${target}" OR NOT ${YB_FILTERING_TARGETS})
yb_remember_dependency(${target} ${ARGN})
_target_link_libraries(${target} ${ARGN})
endif()
endfunction()
# We override add_executable to ensure that whenever any executable is built, the latest symlink is
# re-created, and also to filter the set of executables if -DYB_EXECUTABLE_FILTER_RE is specified.
# This filtering is useful to keep CLion responsive when only working on a subset of code including
# e.g. yb-master / yb-tserver and some tests.
function(add_executable name)
if (NOT ${YB_ADDING_TEST_EXECUTABLE})
# Count non-test executables.
math(EXPR NEW_NUM_EXECUTABLES "${YB_NUM_EXECUTABLES} + 1")
set(YB_NUM_EXECUTABLES "${NEW_NUM_EXECUTABLES}" CACHE INTERNAL "Number of executables" FORCE)
endif()
if (NOT "${YB_EXECUTABLE_FILTER_RE}" STREQUAL "" AND
NOT ${YB_ADDING_TEST_EXECUTABLE} AND
NOT "${name}" STREQUAL "bfql_codegen" AND
NOT "${name}" STREQUAL "bfpg_codegen" AND
NOT "${name}" STREQUAL "run-with-timeout" AND
NOT "${name}" STREQUAL "protoc-gen-insertions" AND
NOT "${name}" STREQUAL "protoc-gen-yrpc")
# Only do this filtering for non-test executables. Tests can be filtered separately using
# YB_TEST_FILTER_RE.
string(REGEX MATCH "${YB_EXECUTABLE_FILTER_RE}" EXECUTABLE_FILTER_MATCH_RESULT "${name}")
if ("${EXECUTABLE_FILTER_MATCH_RESULT}" STREQUAL "")
return()
endif()
message("Executable matched the filter: ${name}")
endif()
if (NOT ${YB_ADDING_TEST_EXECUTABLE})
math(EXPR NEW_NUM_INCLUDED_EXECUTABLES "${YB_NUM_INCLUDED_EXECUTABLES} + 1")
set(YB_NUM_INCLUDED_EXECUTABLES "${NEW_NUM_INCLUDED_EXECUTABLES}" CACHE INTERNAL
"Number of included executables" FORCE)
endif()
# Call through to the original add_executable function.
_add_executable("${name}" ${ARGN})
if (NOT "$ENV{YB_DISABLE_LATEST_SYMLINK}" STREQUAL "1")
add_dependencies(${name} latest_symlink)
endif()
endfunction()
macro(YB_SETUP_CLANG BUILD_TYPE)
ADD_CXX_FLAGS("-stdlib=libc++")
# Disables using the precompiled template specializations for std::string, shared_ptr, etc
# so that the annotations in the header actually take effect.
ADD_CXX_FLAGS("-D_GLIBCXX_EXTERN_TEMPLATE=0")
set(LIBCXX_DIR "${YB_THIRDPARTY_DIR}/installed/${BUILD_TYPE}/libcxx")
set(LIBCXX_INCLUDE_DIR "${LIBCXX_DIR}/include/c++/v1")
ADD_GLOBAL_RPATH_ENTRY("${LIBCXX_DIR}/lib")
# This needs to appear before adding third-party dependencies that have their headers in the
# Linuxbrew include directory, because otherwise we'll pick up the standard library headers from
# the Linuxbrew include directory too.
include_directories(SYSTEM "${LIBCXX_INCLUDE_DIR}")
ADD_CXX_FLAGS("-nostdinc++")
ADD_LINKER_FLAGS("-L${LIBCXX_DIR}/lib")
# Strictly speaking, TSAN doesn't require dynamic linking. But it does require all code to be
# position independent, and the easiest way to guarantee that is via dynamic linking (not all 3rd
# party archives are compiled with -fPIC e.g. boost).
if("${YB_LINK}" STREQUAL "a")
message("Using dynamic linking for ${BUILD_TYPE}")
set(YB_LINK "d")
elseif("${YB_LINK}" STREQUAL "s")
message(FATAL_ERROR "Cannot use ${BUILD_TYPE} with static linking")
endif()
endmacro()
macro(YB_SETUP_SANITIZER SANITIZER)
if(NOT (("${COMPILER_FAMILY}" STREQUAL "clang")))
message(FATAL_ERROR "Cannot use ${SANITIZER} without clang")
endif()
string(TOLOWER "${SANITIZER}" LOWER_SANITIZER)
message("Using ${SANITIZER}-instrumented libc++")
YB_SETUP_CLANG("${LOWER_SANITIZER}")
endmacro()
function(SHOW_FOUND_BOOST_DETAILS BOOST_LIBRARY_TYPE)
message("Results of finding Boost ${BOOST_LIBRARY_TYPE} libraries:")
message(" Boost_FOUND: ${Boost_FOUND}")
message(" Boost_INCLUDE_DIRS: ${Boost_INCLUDE_DIRS}")
message(" Boost_LIBRARY_DIRS: ${Boost_LIBRARY_DIRS}")
message(" Boost_LIBRARIES: ${Boost_LIBRARIES}")
message(" Boost_SYSTEM_FOUND: ${Boost_SYSTEM_FOUND}")
message(" Boost_SYSTEM_LIBRARY: ${Boost_SYSTEM_LIBRARY}")
message(" Boost_THREAD_FOUND: ${Boost_THREAD_FOUND}")
message(" Boost_THREAD_LIBRARY: ${Boost_THREAD_LIBRARY}")
message(" Boost_VERSION: ${Boost_VERSION}")
message(" Boost_LIB_VERSION: ${Boost_LIB_VERSION}")
message(" Boost_MAJOR_VERSION: ${Boost_MAJOR_VERSION}")
message(" Boost_MINOR_VERSION: ${Boost_MINOR_VERSION}")
message(" Boost_SUBMINOR_VERSION: ${Boost_SUBMINOR_VERSION}")
message(" Boost_LIB_DIAGNOSTIC_DEFINITIONS: ${Boost_LIB_DIAGNOSTIC_DEFINITIONS}")
endfunction()
# ------------------------------------------------------------------------------------------------
# Main build
get_filename_component(YB_BUILD_ROOT_BASENAME "${CMAKE_CURRENT_BINARY_DIR}" NAME)
string(REPLACE "-" ";" YB_BUILD_ROOT_BASENAME_COMPONENTS ${YB_BUILD_ROOT_BASENAME})
list(GET YB_BUILD_ROOT_BASENAME_COMPONENTS 0 YB_BUILD_TYPE)
message("YB_BUILD_TYPE: ${YB_BUILD_TYPE}")
# CMAKE_LINK_DEPENDS_NO_SHARED prevents prevent re-linking dependents of a shared library when it
# is re-linked. Enabling the optimized behavior by default, and allowing to customize it with the
# YB_CMAKE_LINK_DEPENDS_NO_SHARED environment variable.
if (NOT "$ENV{YB_CMAKE_LINK_DEPENDS_NO_SHARED}" STREQUAL "")
message(
"Setting CMAKE_LINK_DEPENDS_NO_SHARED to '$ENV{YB_CMAKE_LINK_DEPENDS_NO_SHARED}' "
"based on the YB_CMAKE_LINK_DEPENDS_NO_SHARED environment variable.")
set(CMAKE_LINK_DEPENDS_NO_SHARED $ENV{YB_CMAKE_LINK_DEPENDS_NO_SHARED})
else()
set(CMAKE_LINK_DEPENDS_NO_SHARED 1)
endif()
set(YB_FILTERING_TARGETS FALSE)
if (NOT "${YB_TEST_FILTER_RE}" STREQUAL "" OR NOT "${YB_EXECUTABLE_FILTER_RE}" STREQUAL "")
set(YB_FILTERING_TARGETS TRUE)
endif()
set(YB_SRC_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
message("YB_SRC_ROOT: ${YB_SRC_ROOT}")
set(YB_THIRDPARTY_DIR "$ENV{YB_THIRDPARTY_DIR}")
if("${YB_THIRDPARTY_DIR}" STREQUAL "")
set(YB_THIRDPARTY_DIR "${YB_SRC_ROOT}/thirdparty")
endif()
message("YB_THIRDPARTY_DIR: ${YB_THIRDPARTY_DIR}")
set(YB_BUILD_ROOT "${CMAKE_CURRENT_BINARY_DIR}")
set(ENV{YB_BUILD_ROOT} "${YB_BUILD_ROOT}")
get_filename_component(YB_BUILD_ROOT_PARENT "${YB_BUILD_ROOT}" DIRECTORY)
message("YB_BUILD_ROOT: ${YB_BUILD_ROOT}")
DETECT_NUMBER_OF_PROCESSORS()
# Detect the shared library suffix on this platform
set(YB_STATIC_LIBRARY_SUFFIX ".a")
if(APPLE)
set(YB_SHARED_LIBRARY_SUFFIX ".dylib")
else()
set(YB_SHARED_LIBRARY_SUFFIX ".so")
endif()
message("Using shared library suffix '${YB_SHARED_LIBRARY_SUFFIX}'.")
message("CMAKE_C_COMPILER=${CMAKE_C_COMPILER}")
CHECK_YB_COMPILER_PATH(${CMAKE_C_COMPILER})
message("CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}")
CHECK_YB_COMPILER_PATH(${CMAKE_CXX_COMPILER})
set(BUILD_SUPPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/build-support)
# Provide a 'latest' symlink to this build directory if the "blessed" multi-build layout is
# detected:
#
# build/
# build/<first build directory>
# build/<second build directory>
# ...
set(LATEST_BUILD_SYMLINK_PATH "${YB_BUILD_ROOT_PARENT}/latest")
if (NOT "$ENV{YB_DISABLE_LATEST_SYMLINK}" STREQUAL "1")
message("LATEST SYMLINK PATH: ${LATEST_BUILD_SYMLINK_PATH}")
if ("${CMAKE_CURRENT_BINARY_DIR}" STREQUAL "${LATEST_BUILD_SYMLINK_PATH}")
message(FATAL_ERROR "Should not run cmake inside the build/latest symlink. "
"First change directories into the destination of the symlink.")
endif()
# This option is needed in addition to -sf, while linking, to force the link to occur on
# directories. Unfortunately, Linux & MacOS differ on the option name.
if (NOT APPLE)
set(MORE_ARGS "-T")
else()
set(MORE_ARGS "-h")
endif()
add_custom_target(latest_symlink ALL
"${BUILD_SUPPORT_DIR}/create_latest_symlink.sh"
"${CMAKE_CURRENT_BINARY_DIR}"
"${LATEST_BUILD_SYMLINK_PATH}"
COMMENT "Recreating the 'latest' symlink at '${LATEST_BUILD_SYMLINK_PATH}'")
endif()
add_custom_target(dummy_target ALL
cat /dev/null
COMMENT "Dummy target for dependency resolution testing")
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake_modules")
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake_standard_modules")
include(CMakeParseArguments)
# Allow "make install" to not depend on all targets.
#
# Must be declared in the top-level CMakeLists.txt.
set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)
# Also allow specifying -DNO_REBUILD_THIRDPARTY, because CLion does not always pass user-specified
# environment variables correctly.
if ("${YB_NO_REBUILD_THIRDPARTY}" STREQUAL "1")
set(ENV{NO_REBUILD_THIRDPARTY} "1")
endif()
INIT_COMPILER_TYPE()
# This helps find the right third-party build directory.
if (YB_USE_TSAN)
set(THIRDPARTY_INSTRUMENTATION_TYPE "tsan")
elseif (YB_USE_ASAN)
set(THIRDPARTY_INSTRUMENTATION_TYPE "asan")
elseif ("$ENV{YB_COMPILER_TYPE}" STREQUAL "clang") # Cannot use IS_CLANG before building 3rd party
set(THIRDPARTY_INSTRUMENTATION_TYPE "clang_uninstrumented")
else()
set(THIRDPARTY_INSTRUMENTATION_TYPE "uninstrumented")
endif()
# Make sure thirdparty stuff is up-to-date.
if ("$ENV{NO_REBUILD_THIRDPARTY}" STREQUAL "")
set(BUILD_THIRDPARTY_ARGS --build-type ${THIRDPARTY_INSTRUMENTATION_TYPE})
message("Invoking build_thirdparty.sh with these arguments: ${BUILD_THIRDPARTY_ARGS}")
execute_process(
COMMAND ${YB_THIRDPARTY_DIR}/build_thirdparty.sh ${BUILD_THIRDPARTY_ARGS}
RESULT_VARIABLE THIRDPARTY_SCRIPT_RESULT)
if (NOT (${THIRDPARTY_SCRIPT_RESULT} EQUAL 0))
message(FATAL_ERROR "Thirdparty was built unsuccessfully, terminating.")
endif()
else()
message("The NO_REBUILD_THIRDPARTY environment variable is non-empty, skipping the third-party"
"build")
endif()
# Generate a Clang compile_commands.json "compilation database" file for use
# with various development tools, such as Vim's YouCompleteMe plugin.
# See http://clang.llvm.org/docs/JSONCompilationDatabase.html
if ("$ENV{CMAKE_EXPORT_COMPILE_COMMANDS}" STREQUAL "1" OR
"$ENV{YB_RUN_AFFECTED_TESTS_ONLY}" STREQUAL "1")
set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
endif()
# -------------------------------------------------------------------------------------------------
# Build type (debug, release, fastdebug, etc.)
# -------------------------------------------------------------------------------------------------
# If no build build type is specified, default to debug builds
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Debug)
endif(NOT CMAKE_BUILD_TYPE)
string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
# Alias RELEASE as RELWITHDEBINFO and MINSIZEREL. These are common CMake
# release type names and this provides compatibility with the CLion IDE.
if ("${CMAKE_BUILD_TYPE}" STREQUAL "RELWITHDEBINFO" OR "${CMAKE_BUILD_TYPE}" STREQUAL "MINSIZEREL")
set(CMAKE_BUILD_TYPE RELEASE)
endif()
############################################################
# Compiler type (gcc, clang, etc.)
############################################################
# Determine compiler version. This will set COMPILER_FAMILY.
include(CompilerInfo)
message("Using COMPILER_FAMILY=${COMPILER_FAMILY}")
# We can only use IS_CLANG after calling VALIDATE_COMPILER_TYPE.
VALIDATE_COMPILER_TYPE()
if (NOT APPLE)
# To enable 16-byte atomics support we should specify appropriate architecture.
ADD_CXX_FLAGS("-march=ivybridge")
ADD_CXX_FLAGS("-mcx16")
endif()
# Include compiler type and version in the compiler command line so that binaries built by different
# versions of the compiler will have different keys in ccache.
ADD_CXX_FLAGS("-DYB_COMPILER_TYPE=$ENV{YB_COMPILER_TYPE}")
ADD_CXX_FLAGS("-DYB_COMPILER_VERSION=${COMPILER_VERSION}")
ADD_CXX_FLAGS("-DROCKSDB_LIB_IO_POSIX")
ADD_CXX_FLAGS("-DBZIP2")
ADD_CXX_FLAGS("-DSNAPPY")
ADD_CXX_FLAGS("-DZLIB")
if ($ENV{YB_COMPILER_TYPE} STREQUAL "zapcc")
ADD_CXX_FLAGS("-DYB_ZAPCC")
endif()
############################################################
# Compiler flags
############################################################
if(NOT APPLE)
# The following flags are required to not assume the presence of too many CPU features so that the
# code built can run on many platforms. For example, support building on c4.xlarge in AWS (dev
# servers) and running on c3.xlarge (flash-based cluster machines). There are a couple more flags
# (-mno-abm and -mno-movbe) that are not recognized by some clang versions we are using, so they
# are being added in the gcc-specific section below. We have also found that these flags don't
# work on Mac OS X, so we're not using them there.
ADD_CXX_FLAGS("-mno-avx -mno-bmi -mno-bmi2 -mno-fma")
endif()
# We want access to the PRI* print format macros.
ADD_CXX_FLAGS("-D__STDC_FORMAT_MACROS")
# Do not warn about uses of deprecated declarations. RocksDB has a few instances of those.
ADD_CXX_FLAGS("-Wno-deprecated-declarations")
ADD_CXX_FLAGS("-DGFLAGS=gflags")
# Don't allow virtual classes with non-virtual destructors.
ADD_CXX_FLAGS("-Wnon-virtual-dtor")
# Flags common to gcc and clang.
ADD_CXX_FLAGS("-Werror=enum-compare")
ADD_CXX_FLAGS("-Werror=reorder")
ADD_CXX_FLAGS("-Werror=switch")
ADD_CXX_FLAGS("-Werror=return-type")
ADD_CXX_FLAGS("-Werror=non-virtual-dtor")
if(IS_CLANG)
ADD_CXX_FLAGS("-Werror=string-plus-int")
ADD_CXX_FLAGS("-Werror=return-stack-address")
ADD_CXX_FLAGS("-Werror=implicit-fallthrough")
# Remove this check when all Clang builds will use libc++.
if("${USING_SANITIZERS}" OR APPLE)
ADD_CXX_FLAGS("-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS")
ADD_CXX_FLAGS("-Wthread-safety-analysis")
endif()
if("$ENV{YB_ENABLE_STATIC_ANALYZER}" STREQUAL "1")
if(APPLE)
message("YB_ENABLE_STATIC_ANALYZER is set to 1, but we are not running the static analyzer"
" on macOS yet")
else()
message("YB_ENABLE_STATIC_ANALYZER is set to 1, enabling Clang static analyzer")
include(yb_clang_analyzer)
message("clang_analyzer_flags=${clang_analyzer_flags}")
ADD_CXX_FLAGS("${clang_analyzer_flags}")
endif()
else()
message("YB_ENABLE_STATIC_ANALYZER is not set to 1, not enabling Clang static analyzer")
endif()
# The actual static analysis is turned on using the --analyze flag.
endif()
DETECT_BREW()
if(USING_LINUXBREW AND IS_CLANG)
# We only need these when building using clang. If we use Linuxbrew's gcc, it should set the
# equivalent of these options automatically.
ADD_LINKER_FLAGS("-Wl,--dynamic-linker=${LINUXBREW_LIB_DIR}/ld.so")
ADD_LINKER_FLAGS("--gcc-toolchain=${LINUXBREW_DIR}")
endif()
if(IS_GCC)
# For now code relies on fact that all libraries will be linked to binary (for using FLAGS_*)
# This flag is enabled implicitly on centos but not on ubuntu
# TODO: Subtitute it with '-as-needed' instead to avoid linking with unused library (issue #1495)
# for reducing pocess start time
ADD_LINKER_FLAGS("-Wl,-no-as-needed")
endif()
if(USING_LINUXBREW)
# This is needed for finding correct versions of Flex, Bison, and other tools.
set(CMAKE_PREFIX_PATH "${LINUXBREW_DIR}" ${CMAKE_PREFIX_PATH})
endif()
if(USING_CUSTOM_HOMEBREW)
set(CMAKE_PREFIX_PATH "${CUSTOM_HOMEBREW_DIR}" ${CMAKE_PREFIX_PATH})
endif()
# For both RocksDB and YugaByte code, we need to set the OS flag on Mac. Some code in RocksDB also
# distinguishes further into BSD vs everything else, but we probably do not care further.
if(APPLE)
ADD_CXX_FLAGS("-DOS_MACOSX")
elseif(NOT "${USING_SANITIZERS}")
message("Specifying linker flags to not allow any undefined symbols")
ADD_LINKER_FLAGS("-Wl,--no-undefined -Wl,--no-allow-shlib-undefined")
else()
message("Not specifying linker flags to not allow any undefined symbols: this is ASAN/TSAN")
endif()
# Explicitly disable the new gcc5 ABI. Until clang supports abi tags [1], any
# generated code (which always uses clang) must be built against the old ABI.
# (Note: we are not using any LLVM codegen in YugaByte as of 08/2016).
# There's no recourse for using both ABIs in the same process; gcc's advice [2]
# is to build everything against the old ABI.
#
# 1. https://llvm.org/bugs/show_bug.cgi?id=23529
# 2. https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html
ADD_CXX_FLAGS(-D_GLIBCXX_USE_CXX11_ABI=0)
# We don't want to use any stubs; that's exclusively for builds using our
# exported client headers).
ADD_CXX_FLAGS(-DYB_HEADERS_NO_STUBS=1)
# compiler flags for different build types (run 'cmake -DCMAKE_BUILD_TYPE=<type> .')
# For all builds:
# For CMAKE_BUILD_TYPE=Debug
# -ggdb: Enable gdb debugging
# -O1: Enable minimum optimization
# -fno-omit-frame-pointer
# use frame pointers to allow simple stack frame walking for backtraces.
# For CMAKE_BUILD_TYPE=FastDebug
# Same as DEBUG (TODO: remove fastdebug build type, use debug instead)
# For CMAKE_BUILD_TYPE=Release
# -O3: Enable all compiler optimizations
# -g: Enable symbols for profiler tools (TODO: remove for shipping)
# -DNDEBUG: Turn off dchecks/asserts/debug only code.
# -fno-omit-frame-pointer
# use frame pointers to allow simple stack frame walking for backtraces.
# This has a small perf hit but worth it for the ability to profile in production
# For profile guided optimization (PGO) builds, in addition to the flags for release builds:
# 1. Build first with CMAKE_BUILD_TYPE_PROFILE_GEN:
# -fprofile-generate: Indicates compiler should insert profile guided optimization events
# 2. Run the benchmarks (generates *.gcda profiling data).
# 3. Build again with CMAKE_BUILD_TYPE_PROFILE_BUILD
# -fprofile-use: Compiler will use the profile outputs for optimizations
set(CXX_FLAGS_DEBUG "-ggdb -O1 -fno-omit-frame-pointer")
set(CXX_FLAGS_FASTDEBUG ${CXX_FLAGS_DEBUG})
set(CXX_FLAGS_RELEASE "-O3 -g -DNDEBUG -fno-omit-frame-pointer")
# Nullify CMake's predefined flags since we are handling different build types on our own.
# Without this change CMake will add flags from these variables and
# optimization level will be changed because in case of multiple -O flags gcc uses the last one.
set(CMAKE_CXX_FLAGS_DEBUG "")
set(CMAKE_CXX_FLAGS_RELEASE "")
if (NOT "${YB_USE_LTO}" STREQUAL "")
set(CXX_FLAGS_RELEASE "${CXX_FLAGS_RELEASE} flto -fno-use-linker-plugin")
endif()
set(CXX_FLAGS_PROFILE_GEN "${CXX_FLAGS_RELEASE} -fprofile-generate")
set(CXX_FLAGS_PROFILE_BUILD "${CXX_FLAGS_RELEASE} -fprofile-use")
set(CLANG_GCC_TOOLCHAIN "")
if(IS_CLANG AND NOT APPLE AND USING_LINUXBREW)
set(CLANG_GCC_TOOLCHAIN "${LINUXBREW_DIR}")
endif()
# Set compile flags based on the build type.
message("Configured for ${CMAKE_BUILD_TYPE} build "
"(set with cmake -DCMAKE_BUILD_TYPE={release,debug,...})")
if ("${CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_DEBUG}")
if(NOT APPLE AND EXISTS "/usr/bin/ld.gold")
if ("$ENV{YB_NO_LD_GOLD}")
message("YB_NO_LD_GOLD is defined, not using ld.gold")
else()
message("Not using ld.gold to stay compatible with Linuxbrew-based gcc toolchain")
if(FALSE)
set(LD_GOLD_FLAGS "-fuse-ld=gold")
# TODO: should we also add this to CMAKE_SHARED_LINKER_FLAGS?
message("Adding flags in front of CMAKE_EXE_LINKER_FLAGS to use ld.gold: ${LD_GOLD_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${LD_GOLD_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
endif()
endif()
endif()
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "FASTDEBUG")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_FASTDEBUG}")
# We specify RocksDB debug level that corresponds to the -O1 optimization level, the same as
# the rest of YB code in the "fastdebug" mode (used for ASAN/TSAN).
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_RELEASE}")
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "PROFILE_GEN")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_PROFILE_GEN}")
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "PROFILE_BUILD")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_PROFILE_BUILD}")
else()
message(FATAL_ERROR "Unknown build type: ${CMAKE_BUILD_TYPE}")
endif ()
if (IS_CLANG)
# Using Clang with ccache causes a bunch of spurious warnings that are
# purportedly fixed in the next version of ccache. See the following for details:
#
# http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html
# http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
# Clang generates ambiguous member template warnings when calling the ev++ api.
ADD_CXX_FLAGS("-Wno-ambiguous-member-template")
# Emit warnings (that we then treat as errors in compiler-wrapper.sh) on unannotated fallthrough
# in switch statements. This applies to both YB and RocksDB parts of the code.
ADD_CXX_FLAGS("-Wimplicit-fallthrough")
# Silence the "unused argument" warning.
ADD_CXX_FLAGS("-Qunused-arguments")
# Only hardcode -fcolor-diagnostics if stderr is opened on a terminal. Otherwise
# the color codes show up as noisy artifacts.
#
# This test is imperfect because 'cmake' and 'make' can be run independently
# (with different terminal options), and we're testing during the former.
execute_process(COMMAND test -t 2 RESULT_VARIABLE YB_IS_TTY)
if ((${YB_IS_TTY} EQUAL 0) AND (NOT ("$ENV{TERM}" STREQUAL "dumb")))
message("Running in a controlling terminal")
ADD_CXX_FLAGS("-fcolor-diagnostics")
else()
message("Running without a controlling terminal or in a dumb terminal")
endif()
elseif("${COMPILER_FAMILY}" STREQUAL "gcc")
# Blacklist gcc versions known to generate broken optimized code.
#
# See KUDU-1030 for more details.
if ("${COMPILER_VERSION}" MATCHES "^4.[67]")
message(FATAL_ERROR "Building with gcc version ${COMPILER_VERSION} is "
"forbidden as it is known to produce broken code in release mode. "
"Upgrade gcc, or build with clang from the thirdparty directory.")
endif()
# These flags are not understood by some versions of clang we are using.
ADD_CXX_FLAGS("-mno-abm -mno-movbe")
else()
message(FATAL_ERROR "Unknown compiler family: ${COMPILER_FAMILY}")
endif()
set(YB_PREFIX_COMMON "${YB_THIRDPARTY_DIR}/installed/common")
# Flag to enable thread sanitizer (clang or gcc 4.8)
if (${YB_USE_TSAN})
YB_SETUP_SANITIZER("TSAN")
ADD_CXX_FLAGS("-fsanitize=thread")
# Enables dynamic_annotations.h to actually generate code
ADD_CXX_FLAGS("-DDYNAMIC_ANNOTATIONS_ENABLED")
# changes atomicops to use the tsan implementations
ADD_CXX_FLAGS("-DTHREAD_SANITIZER")
# Compile and link against the thirdparty TSAN instrumented libstdcxx.
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread")
elseif (${YB_USE_ASAN})
YB_SETUP_SANITIZER("ASAN")
ADD_CXX_FLAGS("-fsanitize=address")
ADD_CXX_FLAGS("-DADDRESS_SANITIZER")
# Compile and link against the thirdparty ASAN instrumented libstdcxx.
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
elseif (USING_LINUXBREW AND IS_CLANG)
YB_SETUP_CLANG("clang_uninstrumented")
endif()
if (USING_LINUXBREW)
include_directories(SYSTEM ${LINUXBREW_DIR}/include)
endif()
if (NOT IS_CLANG)
ADD_LINKER_FLAGS("-latomic")
endif()
if (NOT "$ENV{YB_LINK}" STREQUAL "" AND NOT "$ENV{YB_LINK}" STREQUAL "${YB_LINK}")
if (YB_LINK)
message(FATAL_ERROR "Conflicting values of YB_LINK CMake variable (\"${YB_LINK}\") and "
"environment variable (\"$ENV{YB_LINK}\").")
endif()
message("YB_LINK is not set as a CMake variable, using the YB_LINK environment variable: "
"\"$ENV{YB_LINK}\".")
set(YB_LINK "$ENV{YB_LINK}")
endif()
# Sanity check linking option.
if (NOT YB_LINK)
message("YB_LINK not specified, determining linking type automatically")
set(YB_LINK "a")
elseif(NOT ("${YB_LINK}" MATCHES "^[a-z]+$" AND (
"auto" MATCHES "^${YB_LINK}" OR
"dynamic" MATCHES "^${YB_LINK}" OR
"static" MATCHES "^${YB_LINK}"
)))
message(FATAL_ERROR "Unknown value \"${YB_LINK}\" for YB_LINK, must be auto|dynamic|static")
else()
message("YB_LINK explicitly specified as \"${YB_LINK}\".")
# Remove all but the first letter.
string(SUBSTRING "${YB_LINK}" 0 1 YB_LINK)
endif()
# Clang does not support using ASAN and TSAN simultaneously.
if ("${YB_USE_ASAN}" AND "${YB_USE_TSAN}")
message(SEND_ERROR "Can only enable one of ASAN or TSAN at a time")
endif()
# Flag to enable clang undefined behavior sanitizer
# We explicitly don't enable all of the sanitizer flags:
# - disable 'vptr' because it currently crashes somewhere in boost::intrusive::list code
# - disable 'alignment' because unaligned access is really OK on Nehalem and we do it
# all over the place.
if (${YB_USE_UBSAN})
if(NOT (("${COMPILER_FAMILY}" STREQUAL "clang") OR
("${COMPILER_FAMILY}" STREQUAL "gcc" AND "${COMPILER_VERSION}" VERSION_GREATER "4.9")))
message(SEND_ERROR "Cannot use UBSAN without clang or gcc >= 4.9")
endif()
set(CXX_NO_SANITIZE_FLAG "alignment")
if(NOT APPLE)
set(CXX_NO_SANITIZE_FLAG "${CXX_NO_SANITIZE_FLAG},vptr")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
endif()
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -fno-sanitize-recover=all -fno-sanitize=${CXX_NO_SANITIZE_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize-recover=float-cast-overflow")
endif ()
if ("${YB_USE_UBSAN}" OR "${YB_USE_ASAN}" OR "${YB_USE_TSAN}")
# GCC 4.8 and 4.9 (latest as of this writing) don't allow you to specify a
# sanitizer blacklist.
if("${COMPILER_FAMILY}" STREQUAL "clang")
# Require clang 3.4 or newer; clang 3.3 has issues with TSAN and pthread
# symbol interception.
if("${COMPILER_VERSION}" VERSION_LESS "3.4")
message(SEND_ERROR "Must use clang 3.4 or newer to run a sanitizer build."
" Try using clang from thirdparty/")
endif()
ADD_CXX_FLAGS("-fsanitize-blacklist=${BUILD_SUPPORT_DIR}/sanitize-blacklist.txt")
else()
message(WARNING "GCC does not support specifying a sanitizer blacklist. Known sanitizer "
"check failures will not be suppressed.")
endif()
endif()
# Code coverage
if ("${YB_GENERATE_COVERAGE}")
if("${CMAKE_CXX_COMPILER}" MATCHES ".*clang.*")
# There appears to be some bugs in clang 3.3 which cause code coverage
# to have link errors, not locating the llvm_gcda_* symbols.
# This should be fixed in llvm 3.4 with http://llvm.org/viewvc/llvm-project?view=revision&revision=184666
message(SEND_ERROR "Cannot currently generate coverage with clang")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage -DCOVERAGE_BUILD")
# For coverage to work properly, we need to use static linkage. Otherwise,
# __gcov_flush() doesn't properly flush coverage from every module.
# See http://stackoverflow.com/questions/28164543/using-gcov-flush-within-a-library-doesnt-force-the-other-modules-to-yield-gc
if("${YB_LINK}" STREQUAL "a")
message("Using static linking for coverage build")
set(YB_LINK "s")
elseif("${YB_LINK}" STREQUAL "d")
message(SEND_ERROR "Cannot use coverage with static linking")
endif()
endif()
if (YB_INSTRUMENT_FUNCTIONS)
# We parse this special-case preprocessor definition flag in compiler-wrapper and add
# -finstrument-functions if input files match this pattern. Another consequence of passing this
# to the compiler wrapper through the command line is that changing this causes all files to be
# recompiled, which is necessary in the common case to ensure proper instrumentation or lack
# thereof.
#
# Need to escape parentheses and pipe in the regex.
# add_cxx_flags("-DYB_INSTRUMENT_FUNCTIONS_REL_PATH_RE=src/\\(yb\\|postgres\\)/")
add_cxx_flags("-DYB_INSTRUMENT_FUNCTIONS_REL_PATH_RE=^postgres_build/")
# Some functions in PostgreSQL are detected as not returning anything in this mode.
add_cxx_flags("-Wno-error=return-type")
endif()
# If we still don't know what kind of linking to perform, choose based on
# build type (developers like fast builds).
if ("${YB_LINK}" STREQUAL "a")
if ("${CMAKE_BUILD_TYPE}" STREQUAL "DEBUG" OR
"${CMAKE_BUILD_TYPE}" STREQUAL "FASTDEBUG" OR
"${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
# We use dynamic builds by default even in the release mode.
message("Using dynamic linking for ${CMAKE_BUILD_TYPE} builds")
set(YB_LINK "d")
else()
message("Using static linking for ${CMAKE_BUILD_TYPE} builds")
set(YB_LINK "s")
endif()
endif()
# Are we using the gold linker? It doesn't work with dynamic linking as
# weak symbols aren't properly overridden, causing tcmalloc to be omitted.
# Let's flag this as an error in RELEASE builds (we shouldn't release a
# product like this).
#
# See https://sourceware.org/bugzilla/show_bug.cgi?id=16979 for details.
#
# The gold linker is only for ELF binaries, which OSX doesn't use. We can
# just skip.
if (NOT APPLE)