cae3317964
With clangformat9 the AfterCaseLabel is introduced. And this defaults to false, but our code is formatted implicitly with this set to true. PRs to Verona and Snmalloc are being formatted with clangformat9, and this is causing complexity. Let's move forward to clangformat9 in CI.
250 lines
8.8 KiB
CMake
250 lines
8.8 KiB
CMake
cmake_minimum_required(VERSION 3.8)
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project(snmalloc C CXX)
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option(USE_SNMALLOC_STATS "Track allocation stats" OFF)
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option(SNMALLOC_CI_BUILD "Disable features not sensible for CI" OFF)
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option(USE_MEASURE "Measure performance with histograms" OFF)
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option(EXPOSE_EXTERNAL_PAGEMAP "Expose the global pagemap" OFF)
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option(EXPOSE_EXTERNAL_RESERVE "Expose an interface to reserve memory using the default memory provider" OFF)
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option(SNMALLOC_RUST_SUPPORT "Build static library for rust" OFF)
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set(CACHE_FRIENDLY_OFFSET OFF CACHE STRING "Base offset to place linked-list nodes.")
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if ((CMAKE_BUILD_TYPE STREQUAL "Release") AND (NOT SNMALLOC_CI_BUILD))
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option(USE_POSIX_COMMIT_CHECKS "Instrument Posix PAL to check for access to unused blocks of memory." Off)
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else ()
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option(USE_POSIX_COMMIT_CHECKS "Instrument Posix PAL to check for access to unused blocks of memory." On)
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endif ()
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# Provide as macro so other projects can reuse
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macro(warnings_high)
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if(MSVC)
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# Force to always compile with W4
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if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
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endif()
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add_compile_options(/WX /wd4127 /wd4324 /wd4201)
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else()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-Wsign-conversion)
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endif ()
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add_compile_options(-Wall -Wextra -Werror -Wundef)
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endif()
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endmacro()
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macro(clangformat_targets)
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# The clang-format tool is installed under a variety of different names. Try
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# to find a sensible one. Only look for versions 9 explicitly - we don't
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# know whether our clang-format file will work with newer versions of the
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# tool. It does not work with older versions as AfterCaseLabel is not supported
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# in earlier versions.
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find_program(CLANG_FORMAT NAMES
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clang-format-9
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clang-format)
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# If we've found a clang-format tool, generate a target for it, otherwise emit
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# a warning.
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if (${CLANG_FORMAT} STREQUAL "CLANG_FORMAT-NOTFOUND")
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message(WARNING "Not generating clangformat target, no clang-format tool found")
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else ()
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message(STATUS "Generating clangformat target using ${CLANG_FORMAT}")
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file(GLOB_RECURSE ALL_SOURCE_FILES *.cc *.h *.hh)
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add_custom_target(
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clangformat
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COMMAND ${CLANG_FORMAT}
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-i
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${ALL_SOURCE_FILES})
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endif()
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endmacro()
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# The main target for snmalloc
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add_library(snmalloc_lib INTERFACE)
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target_include_directories(snmalloc_lib INTERFACE src/)
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if(NOT MSVC)
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find_package(Threads REQUIRED COMPONENTS snmalloc_lib)
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target_link_libraries(snmalloc_lib INTERFACE ${CMAKE_THREAD_LIBS_INIT})
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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target_link_libraries(snmalloc_lib INTERFACE atomic)
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endif()
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if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
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target_compile_options(snmalloc_lib INTERFACE -mcx16)
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elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
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target_compile_options(snmalloc_lib INTERFACE -mcx16)
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elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
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target_compile_options(snmalloc_lib INTERFACE -mcx16)
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# XXX elseif ARM?
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endif()
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endif()
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if (WIN32)
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set(WIN8COMPAT FALSE CACHE BOOL "Avoid Windows 10 APIs")
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if (WIN8COMPAT)
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target_compile_definitions(snmalloc_lib INTERFACE -DWINVER=0x0603)
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message(STATUS "snmalloc: Avoiding Windows 10 APIs")
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else()
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message(STATUS "snmalloc: Using Windows 10 APIs")
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# VirtualAlloc2 is exposed by mincore.lib, not Kernel32.lib (as the
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# documentation says)
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target_link_libraries(snmalloc_lib INTERFACE mincore)
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endif()
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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target_compile_options(snmalloc_lib INTERFACE -mcx16)
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endif ()
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# Have to set this globally, as can't be set on an interface target.
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set(CMAKE_CXX_STANDARD 17)
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if(USE_SNMALLOC_STATS)
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target_compile_definitions(snmalloc_lib INTERFACE -DUSE_SNMALLOC_STATS)
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endif()
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if(USE_MEASURE)
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target_compile_definitions(snmalloc_lib INTERFACE -DUSE_MEASURE)
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endif()
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if(SNMALLOC_CI_BUILD)
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target_compile_definitions(snmalloc_lib INTERFACE -DSNMALLOC_CI_BUILD)
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endif()
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if(CACHE_FRIENDLY_OFFSET)
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target_compile_definitions(snmalloc_lib INTERFACE -DCACHE_FRIENDLY_OFFSET=${CACHE_FRIENDLY_OFFSET})
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endif()
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if(USE_POSIX_COMMIT_CHECKS)
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target_compile_definitions(snmalloc_lib INTERFACE -DUSE_POSIX_COMMIT_CHECKS)
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endif()
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# To build with just the header library target define SNMALLOC_ONLY_HEADER_LIBRARY
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# in containing Cmake file.
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if(NOT DEFINED SNMALLOC_ONLY_HEADER_LIBRARY)
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warnings_high()
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if(MSVC)
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /DEBUG")
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else()
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add_compile_options(-fno-exceptions -fno-rtti -g -ftls-model=initial-exec -fomit-frame-pointer)
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if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
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add_compile_options(-march=native)
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elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
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add_compile_options(-march=native)
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# XXX elseif ARM?
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endif()
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endif()
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macro(subdirlist result curdir)
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file(GLOB children LIST_DIRECTORIES true RELATIVE ${curdir} ${curdir}/*)
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set(dirlist "")
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foreach(child ${children})
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if(IS_DIRECTORY ${curdir}/${child})
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list(APPEND dirlist ${child})
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endif()
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endforeach()
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set(${result} ${dirlist})
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endmacro()
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macro(add_shim name type)
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add_library(${name} ${type} ${ARGN})
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target_link_libraries(${name} snmalloc_lib)
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if(NOT MSVC)
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target_compile_definitions(${name} PRIVATE "SNMALLOC_EXPORT=__attribute__((visibility(\"default\")))")
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endif()
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set_target_properties(${name} PROPERTIES CXX_VISIBILITY_PRESET hidden)
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if(EXPOSE_EXTERNAL_PAGEMAP)
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if(MSVC)
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target_compile_definitions(${name} PRIVATE /DSNMALLOC_EXPOSE_PAGEMAP)
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else()
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target_compile_definitions(${name} PRIVATE -DSNMALLOC_EXPOSE_PAGEMAP)
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endif()
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endif()
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if(EXPOSE_EXTERNAL_RESERVE)
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if(MSVC)
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target_compile_definitions(${name} PRIVATE /DSNMALLOC_EXPOSE_RESERVE)
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else()
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target_compile_definitions(${name} PRIVATE -DSNMALLOC_EXPOSE_RESERVE)
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endif()
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endif()
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# Ensure that we do not link against C++ stdlib when compiling shims.
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if(NOT MSVC)
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set_target_properties(${name} PROPERTIES LINKER_LANGUAGE C)
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endif()
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endmacro()
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if(NOT WIN32)
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set(SHARED_FILES src/override/new.cc src/override/malloc.cc)
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add_shim(snmallocshim SHARED ${SHARED_FILES})
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add_shim(snmallocshim-1mib SHARED ${SHARED_FILES})
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target_compile_definitions(snmallocshim-1mib PRIVATE IS_ADDRESS_SPACE_CONSTRAINED)
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endif()
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if(SNMALLOC_RUST_SUPPORT)
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add_shim(snmallocshim-rust STATIC src/override/rust.cc)
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add_shim(snmallocshim-1mib-rust STATIC src/override/rust.cc)
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target_compile_definitions(snmallocshim-1mib-rust PRIVATE IS_ADDRESS_SPACE_CONSTRAINED)
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endif()
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enable_testing()
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set(TESTDIR ${CMAKE_CURRENT_SOURCE_DIR}/src/test)
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subdirlist(TEST_CATEGORIES ${TESTDIR})
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list(REVERSE TEST_CATEGORIES)
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foreach(TEST_CATEGORY ${TEST_CATEGORIES})
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subdirlist(TESTS ${TESTDIR}/${TEST_CATEGORY})
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foreach(TEST ${TESTS})
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foreach(SUPER_SLAB_SIZE 1;16)
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unset(SRC)
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aux_source_directory(${TESTDIR}/${TEST_CATEGORY}/${TEST} SRC)
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set(TESTNAME "${TEST_CATEGORY}-${TEST}-${SUPER_SLAB_SIZE}")
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add_executable(${TESTNAME} ${SRC})
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if (${SUPER_SLAB_SIZE} EQUAL 1)
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target_compile_definitions(${TESTNAME} PRIVATE IS_ADDRESS_SPACE_CONSTRAINED)
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endif()
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target_link_libraries(${TESTNAME} snmalloc_lib)
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if (${TEST} MATCHES "release-.*")
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message(STATUS "Adding test: ${TESTNAME} only for release configs")
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add_test(NAME ${TESTNAME} COMMAND ${TESTNAME} CONFIGURATIONS "Release")
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else()
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message(STATUS "Adding test: ${TESTNAME}")
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add_test(${TESTNAME} ${TESTNAME})
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endif()
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if (${TEST_CATEGORY} MATCHES "perf")
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message(STATUS "Single threaded test: ${TESTNAME}")
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set_tests_properties(${TESTNAME} PROPERTIES PROCESSORS 4)
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endif()
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if(WIN32)
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# On Windows these tests use a lot of memory as it doesn't support
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# lazy commit.
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if (${TEST} MATCHES "two_alloc_types")
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message(STATUS "Single threaded test: ${TESTNAME}")
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set_tests_properties(${TESTNAME} PROPERTIES PROCESSORS 4)
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endif()
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if (${TEST} MATCHES "fixed_region")
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message(STATUS "Single threaded test: ${TESTNAME}")
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set_tests_properties(${TESTNAME} PROPERTIES PROCESSORS 4)
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endif()
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if (${TEST} MATCHES "memory")
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message(STATUS "Single threaded test: ${TESTNAME}")
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set_tests_properties(${TESTNAME} PROPERTIES PROCESSORS 4)
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endif()
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endif()
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if (${TEST_CATEGORY} MATCHES "func")
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target_compile_definitions(${TESTNAME} PRIVATE -DUSE_SNMALLOC_STATS)
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endif ()
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endforeach()
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endforeach()
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endforeach()
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clangformat_targets()
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endif()
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