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Add 'third_party/abseil_cpp/' from commit '768eb2ca28'

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git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54be
git-subtree-split: 768eb2ca28
This commit is contained in:
Vincent Ambo 2020-05-20 02:32:24 +01:00
commit fc8dc48020
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67
third_party/abseil_cpp/absl/copts/AbseilConfigureCopts.cmake vendored Normal file
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# See absl/copts/copts.py and absl/copts/generate_copts.py
include(GENERATED_AbseilCopts)
set(ABSL_LSAN_LINKOPTS "")
set(ABSL_HAVE_LSAN OFF)
set(ABSL_DEFAULT_LINKOPTS "")
if (BUILD_SHARED_LIBS AND MSVC)
set(ABSL_BUILD_DLL TRUE)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
else()
set(ABSL_BUILD_DLL FALSE)
endif()
if("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64|amd64|AMD64")
if (MSVC)
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
else()
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
endif()
elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm.*|aarch64")
if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
elseif("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM32_FLAGS}")
else()
message(WARNING "Value of CMAKE_SIZEOF_VOID_P (${CMAKE_SIZEOF_VOID_P}) is not supported.")
endif()
else()
message(WARNING "Value of CMAKE_SYSTEM_PROCESSOR (${CMAKE_SYSTEM_PROCESSOR}) is unknown and cannot be used to set ABSL_RANDOM_RANDEN_COPTS")
set(ABSL_RANDOM_RANDEN_COPTS "")
endif()
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_GCC_FLAGS};${ABSL_GCC_TEST_FLAGS}")
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
# MATCHES so we get both Clang and AppleClang
if(MSVC)
# clang-cl is half MSVC, half LLVM
set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_FLAGS};${ABSL_CLANG_CL_TEST_FLAGS}")
set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
else()
set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_LLVM_FLAGS};${ABSL_LLVM_TEST_FLAGS}")
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# AppleClang doesn't have lsan
# https://developer.apple.com/documentation/code_diagnostics
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
set(ABSL_LSAN_LINKOPTS "-fsanitize=leak")
set(ABSL_HAVE_LSAN ON)
endif()
endif()
endif()
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(ABSL_DEFAULT_COPTS "${ABSL_MSVC_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_MSVC_FLAGS};${ABSL_MSVC_TEST_FLAGS}")
set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
else()
message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
set(ABSL_DEFAULT_COPTS "")
set(ABSL_TEST_COPTS "")
endif()
set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")

213
third_party/abseil_cpp/absl/copts/GENERATED_AbseilCopts.cmake vendored Normal file
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# GENERATED! DO NOT MANUALLY EDIT THIS FILE.
#
# (1) Edit absl/copts/copts.py.
# (2) Run `python <path_to_absl>/copts/generate_copts.py`.
list(APPEND ABSL_CLANG_CL_FLAGS
"/W3"
"-Wno-c++98-compat-pedantic"
"-Wno-conversion"
"-Wno-covered-switch-default"
"-Wno-deprecated"
"-Wno-disabled-macro-expansion"
"-Wno-double-promotion"
"-Wno-comma"
"-Wno-extra-semi"
"-Wno-extra-semi-stmt"
"-Wno-packed"
"-Wno-padded"
"-Wno-sign-compare"
"-Wno-float-conversion"
"-Wno-float-equal"
"-Wno-format-nonliteral"
"-Wno-gcc-compat"
"-Wno-global-constructors"
"-Wno-exit-time-destructors"
"-Wno-non-modular-include-in-module"
"-Wno-old-style-cast"
"-Wno-range-loop-analysis"
"-Wno-reserved-id-macro"
"-Wno-shorten-64-to-32"
"-Wno-switch-enum"
"-Wno-thread-safety-negative"
"-Wno-unknown-warning-option"
"-Wno-unreachable-code"
"-Wno-unused-macros"
"-Wno-weak-vtables"
"-Wno-zero-as-null-pointer-constant"
"-Wbitfield-enum-conversion"
"-Wbool-conversion"
"-Wconstant-conversion"
"-Wenum-conversion"
"-Wint-conversion"
"-Wliteral-conversion"
"-Wnon-literal-null-conversion"
"-Wnull-conversion"
"-Wobjc-literal-conversion"
"-Wno-sign-conversion"
"-Wstring-conversion"
"/DNOMINMAX"
"/DWIN32_LEAN_AND_MEAN"
"/D_CRT_SECURE_NO_WARNINGS"
"/D_SCL_SECURE_NO_WARNINGS"
"/D_ENABLE_EXTENDED_ALIGNED_STORAGE"
)
list(APPEND ABSL_CLANG_CL_TEST_FLAGS
"-Wno-c99-extensions"
"-Wno-deprecated-declarations"
"-Wno-missing-noreturn"
"-Wno-missing-prototypes"
"-Wno-missing-variable-declarations"
"-Wno-null-conversion"
"-Wno-shadow"
"-Wno-shift-sign-overflow"
"-Wno-sign-compare"
"-Wno-unused-function"
"-Wno-unused-member-function"
"-Wno-unused-parameter"
"-Wno-unused-private-field"
"-Wno-unused-template"
"-Wno-used-but-marked-unused"
"-Wno-zero-as-null-pointer-constant"
"-Wno-gnu-zero-variadic-macro-arguments"
)
list(APPEND ABSL_GCC_FLAGS
"-Wall"
"-Wextra"
"-Wcast-qual"
"-Wconversion-null"
"-Wmissing-declarations"
"-Woverlength-strings"
"-Wpointer-arith"
"-Wunused-local-typedefs"
"-Wunused-result"
"-Wvarargs"
"-Wvla"
"-Wwrite-strings"
"-Wno-missing-field-initializers"
"-Wno-sign-compare"
)
list(APPEND ABSL_GCC_TEST_FLAGS
"-Wno-conversion-null"
"-Wno-deprecated-declarations"
"-Wno-missing-declarations"
"-Wno-sign-compare"
"-Wno-unused-function"
"-Wno-unused-parameter"
"-Wno-unused-private-field"
)
list(APPEND ABSL_LLVM_FLAGS
"-Wall"
"-Wextra"
"-Weverything"
"-Wno-c++98-compat-pedantic"
"-Wno-conversion"
"-Wno-covered-switch-default"
"-Wno-deprecated"
"-Wno-disabled-macro-expansion"
"-Wno-double-promotion"
"-Wno-comma"
"-Wno-extra-semi"
"-Wno-extra-semi-stmt"
"-Wno-packed"
"-Wno-padded"
"-Wno-sign-compare"
"-Wno-float-conversion"
"-Wno-float-equal"
"-Wno-format-nonliteral"
"-Wno-gcc-compat"
"-Wno-global-constructors"
"-Wno-exit-time-destructors"
"-Wno-non-modular-include-in-module"
"-Wno-old-style-cast"
"-Wno-range-loop-analysis"
"-Wno-reserved-id-macro"
"-Wno-shorten-64-to-32"
"-Wno-switch-enum"
"-Wno-thread-safety-negative"
"-Wno-unknown-warning-option"
"-Wno-unreachable-code"
"-Wno-unused-macros"
"-Wno-weak-vtables"
"-Wno-zero-as-null-pointer-constant"
"-Wbitfield-enum-conversion"
"-Wbool-conversion"
"-Wconstant-conversion"
"-Wenum-conversion"
"-Wint-conversion"
"-Wliteral-conversion"
"-Wnon-literal-null-conversion"
"-Wnull-conversion"
"-Wobjc-literal-conversion"
"-Wno-sign-conversion"
"-Wstring-conversion"
)
list(APPEND ABSL_LLVM_TEST_FLAGS
"-Wno-c99-extensions"
"-Wno-deprecated-declarations"
"-Wno-missing-noreturn"
"-Wno-missing-prototypes"
"-Wno-missing-variable-declarations"
"-Wno-null-conversion"
"-Wno-shadow"
"-Wno-shift-sign-overflow"
"-Wno-sign-compare"
"-Wno-unused-function"
"-Wno-unused-member-function"
"-Wno-unused-parameter"
"-Wno-unused-private-field"
"-Wno-unused-template"
"-Wno-used-but-marked-unused"
"-Wno-zero-as-null-pointer-constant"
"-Wno-gnu-zero-variadic-macro-arguments"
)
list(APPEND ABSL_MSVC_FLAGS
"/W3"
"/DNOMINMAX"
"/DWIN32_LEAN_AND_MEAN"
"/D_CRT_SECURE_NO_WARNINGS"
"/D_SCL_SECURE_NO_WARNINGS"
"/D_ENABLE_EXTENDED_ALIGNED_STORAGE"
"/bigobj"
"/wd4005"
"/wd4068"
"/wd4180"
"/wd4244"
"/wd4267"
"/wd4503"
"/wd4800"
)
list(APPEND ABSL_MSVC_LINKOPTS
"-ignore:4221"
)
list(APPEND ABSL_MSVC_TEST_FLAGS
"/wd4018"
"/wd4101"
"/wd4503"
"/wd4996"
"/DNOMINMAX"
)
list(APPEND ABSL_RANDOM_HWAES_ARM32_FLAGS
"-mfpu=neon"
)
list(APPEND ABSL_RANDOM_HWAES_ARM64_FLAGS
"-march=armv8-a+crypto"
)
list(APPEND ABSL_RANDOM_HWAES_MSVC_X64_FLAGS
)
list(APPEND ABSL_RANDOM_HWAES_X64_FLAGS
"-maes"
"-msse4.1"
)

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third_party/abseil_cpp/absl/copts/GENERATED_copts.bzl vendored Normal file
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"""GENERATED! DO NOT MANUALLY EDIT THIS FILE.
(1) Edit absl/copts/copts.py.
(2) Run `python <path_to_absl>/copts/generate_copts.py`.
"""
ABSL_CLANG_CL_FLAGS = [
"/W3",
"-Wno-c++98-compat-pedantic",
"-Wno-conversion",
"-Wno-covered-switch-default",
"-Wno-deprecated",
"-Wno-disabled-macro-expansion",
"-Wno-double-promotion",
"-Wno-comma",
"-Wno-extra-semi",
"-Wno-extra-semi-stmt",
"-Wno-packed",
"-Wno-padded",
"-Wno-sign-compare",
"-Wno-float-conversion",
"-Wno-float-equal",
"-Wno-format-nonliteral",
"-Wno-gcc-compat",
"-Wno-global-constructors",
"-Wno-exit-time-destructors",
"-Wno-non-modular-include-in-module",
"-Wno-old-style-cast",
"-Wno-range-loop-analysis",
"-Wno-reserved-id-macro",
"-Wno-shorten-64-to-32",
"-Wno-switch-enum",
"-Wno-thread-safety-negative",
"-Wno-unknown-warning-option",
"-Wno-unreachable-code",
"-Wno-unused-macros",
"-Wno-weak-vtables",
"-Wno-zero-as-null-pointer-constant",
"-Wbitfield-enum-conversion",
"-Wbool-conversion",
"-Wconstant-conversion",
"-Wenum-conversion",
"-Wint-conversion",
"-Wliteral-conversion",
"-Wnon-literal-null-conversion",
"-Wnull-conversion",
"-Wobjc-literal-conversion",
"-Wno-sign-conversion",
"-Wstring-conversion",
"/DNOMINMAX",
"/DWIN32_LEAN_AND_MEAN",
"/D_CRT_SECURE_NO_WARNINGS",
"/D_SCL_SECURE_NO_WARNINGS",
"/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
]
ABSL_CLANG_CL_TEST_FLAGS = [
"-Wno-c99-extensions",
"-Wno-deprecated-declarations",
"-Wno-missing-noreturn",
"-Wno-missing-prototypes",
"-Wno-missing-variable-declarations",
"-Wno-null-conversion",
"-Wno-shadow",
"-Wno-shift-sign-overflow",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-member-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
"-Wno-unused-template",
"-Wno-used-but-marked-unused",
"-Wno-zero-as-null-pointer-constant",
"-Wno-gnu-zero-variadic-macro-arguments",
]
ABSL_GCC_FLAGS = [
"-Wall",
"-Wextra",
"-Wcast-qual",
"-Wconversion-null",
"-Wmissing-declarations",
"-Woverlength-strings",
"-Wpointer-arith",
"-Wunused-local-typedefs",
"-Wunused-result",
"-Wvarargs",
"-Wvla",
"-Wwrite-strings",
"-Wno-missing-field-initializers",
"-Wno-sign-compare",
]
ABSL_GCC_TEST_FLAGS = [
"-Wno-conversion-null",
"-Wno-deprecated-declarations",
"-Wno-missing-declarations",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
]
ABSL_LLVM_FLAGS = [
"-Wall",
"-Wextra",
"-Weverything",
"-Wno-c++98-compat-pedantic",
"-Wno-conversion",
"-Wno-covered-switch-default",
"-Wno-deprecated",
"-Wno-disabled-macro-expansion",
"-Wno-double-promotion",
"-Wno-comma",
"-Wno-extra-semi",
"-Wno-extra-semi-stmt",
"-Wno-packed",
"-Wno-padded",
"-Wno-sign-compare",
"-Wno-float-conversion",
"-Wno-float-equal",
"-Wno-format-nonliteral",
"-Wno-gcc-compat",
"-Wno-global-constructors",
"-Wno-exit-time-destructors",
"-Wno-non-modular-include-in-module",
"-Wno-old-style-cast",
"-Wno-range-loop-analysis",
"-Wno-reserved-id-macro",
"-Wno-shorten-64-to-32",
"-Wno-switch-enum",
"-Wno-thread-safety-negative",
"-Wno-unknown-warning-option",
"-Wno-unreachable-code",
"-Wno-unused-macros",
"-Wno-weak-vtables",
"-Wno-zero-as-null-pointer-constant",
"-Wbitfield-enum-conversion",
"-Wbool-conversion",
"-Wconstant-conversion",
"-Wenum-conversion",
"-Wint-conversion",
"-Wliteral-conversion",
"-Wnon-literal-null-conversion",
"-Wnull-conversion",
"-Wobjc-literal-conversion",
"-Wno-sign-conversion",
"-Wstring-conversion",
]
ABSL_LLVM_TEST_FLAGS = [
"-Wno-c99-extensions",
"-Wno-deprecated-declarations",
"-Wno-missing-noreturn",
"-Wno-missing-prototypes",
"-Wno-missing-variable-declarations",
"-Wno-null-conversion",
"-Wno-shadow",
"-Wno-shift-sign-overflow",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-member-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
"-Wno-unused-template",
"-Wno-used-but-marked-unused",
"-Wno-zero-as-null-pointer-constant",
"-Wno-gnu-zero-variadic-macro-arguments",
]
ABSL_MSVC_FLAGS = [
"/W3",
"/DNOMINMAX",
"/DWIN32_LEAN_AND_MEAN",
"/D_CRT_SECURE_NO_WARNINGS",
"/D_SCL_SECURE_NO_WARNINGS",
"/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
"/bigobj",
"/wd4005",
"/wd4068",
"/wd4180",
"/wd4244",
"/wd4267",
"/wd4503",
"/wd4800",
]
ABSL_MSVC_LINKOPTS = [
"-ignore:4221",
]
ABSL_MSVC_TEST_FLAGS = [
"/wd4018",
"/wd4101",
"/wd4503",
"/wd4996",
"/DNOMINMAX",
]
ABSL_RANDOM_HWAES_ARM32_FLAGS = [
"-mfpu=neon",
]
ABSL_RANDOM_HWAES_ARM64_FLAGS = [
"-march=armv8-a+crypto",
]
ABSL_RANDOM_HWAES_MSVC_X64_FLAGS = [
]
ABSL_RANDOM_HWAES_X64_FLAGS = [
"-maes",
"-msse4.1",
]

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third_party/abseil_cpp/absl/copts/configure_copts.bzl vendored Normal file
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"""absl specific copts.
This file simply selects the correct options from the generated files. To
change Abseil copts, edit absl/copts/copts.py
"""
load(
"//absl:copts/GENERATED_copts.bzl",
"ABSL_CLANG_CL_FLAGS",
"ABSL_CLANG_CL_TEST_FLAGS",
"ABSL_GCC_FLAGS",
"ABSL_GCC_TEST_FLAGS",
"ABSL_LLVM_FLAGS",
"ABSL_LLVM_TEST_FLAGS",
"ABSL_MSVC_FLAGS",
"ABSL_MSVC_LINKOPTS",
"ABSL_MSVC_TEST_FLAGS",
"ABSL_RANDOM_HWAES_ARM32_FLAGS",
"ABSL_RANDOM_HWAES_ARM64_FLAGS",
"ABSL_RANDOM_HWAES_MSVC_X64_FLAGS",
"ABSL_RANDOM_HWAES_X64_FLAGS",
)
ABSL_DEFAULT_COPTS = select({
"//absl:windows": ABSL_MSVC_FLAGS,
"//absl:llvm_compiler": ABSL_LLVM_FLAGS,
"//conditions:default": ABSL_GCC_FLAGS,
})
# in absence of modules (--compiler=gcc or -c opt), cc_tests leak their copts
# to their (included header) dependencies and fail to build outside absl
ABSL_TEST_COPTS = ABSL_DEFAULT_COPTS + select({
"//absl:windows": ABSL_MSVC_TEST_FLAGS,
"//absl:llvm_compiler": ABSL_LLVM_TEST_FLAGS,
"//conditions:default": ABSL_GCC_TEST_FLAGS,
})
ABSL_DEFAULT_LINKOPTS = select({
"//absl:windows": ABSL_MSVC_LINKOPTS,
"//conditions:default": [],
})
# ABSL_RANDOM_RANDEN_COPTS blaze copts flags which are required by each
# environment to build an accelerated RandenHwAes library.
ABSL_RANDOM_RANDEN_COPTS = select({
# APPLE
":cpu_darwin_x86_64": ABSL_RANDOM_HWAES_X64_FLAGS,
":cpu_darwin": ABSL_RANDOM_HWAES_X64_FLAGS,
":cpu_x64_windows_msvc": ABSL_RANDOM_HWAES_MSVC_X64_FLAGS,
":cpu_x64_windows": ABSL_RANDOM_HWAES_MSVC_X64_FLAGS,
":cpu_k8": ABSL_RANDOM_HWAES_X64_FLAGS,
":cpu_ppc": ["-mcrypto"],
# Supported by default or unsupported.
"//conditions:default": [],
})
# absl_random_randen_copts_init:
# Initialize the config targets based on cpu, os, etc. used to select
# the required values for ABSL_RANDOM_RANDEN_COPTS
def absl_random_randen_copts_init():
"""Initialize the config_settings used by ABSL_RANDOM_RANDEN_COPTS."""
# CPU configs.
# These configs have consistent flags to enable HWAES intsructions.
cpu_configs = [
"ppc",
"k8",
"darwin_x86_64",
"darwin",
"x64_windows_msvc",
"x64_windows",
]
for cpu in cpu_configs:
native.config_setting(
name = "cpu_%s" % cpu,
values = {"cpu": cpu},
)

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third_party/abseil_cpp/absl/copts/copts.py vendored Normal file
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"""Abseil compiler options.
This is the source of truth for Abseil compiler options. To modify Abseil
compilation options:
(1) Edit the appropriate list in this file based on the platform the flag is
needed on.
(2) Run `<path_to_absl>/copts/generate_copts.py`.
The generated copts are consumed by configure_copts.bzl and
AbseilConfigureCopts.cmake.
"""
# /Wall with msvc includes unhelpful warnings such as C4711, C4710, ...
MSVC_BIG_WARNING_FLAGS = [
"/W3",
]
LLVM_BIG_WARNING_FLAGS = [
"-Wall",
"-Wextra",
"-Weverything",
]
# Docs on single flags is preceded by a comment.
# Docs on groups of flags is preceded by ###.
LLVM_DISABLE_WARNINGS_FLAGS = [
# Abseil does not support C++98
"-Wno-c++98-compat-pedantic",
# Turns off all implicit conversion warnings. Most are re-enabled below.
"-Wno-conversion",
"-Wno-covered-switch-default",
"-Wno-deprecated",
"-Wno-disabled-macro-expansion",
"-Wno-double-promotion",
###
# Turned off as they include valid C++ code.
"-Wno-comma",
"-Wno-extra-semi",
"-Wno-extra-semi-stmt",
"-Wno-packed",
"-Wno-padded",
###
# Google style does not use unsigned integers, though STL containers
# have unsigned types.
"-Wno-sign-compare",
###
"-Wno-float-conversion",
"-Wno-float-equal",
"-Wno-format-nonliteral",
# Too aggressive: warns on Clang extensions enclosed in Clang-only
# compilation paths.
"-Wno-gcc-compat",
###
# Some internal globals are necessary. Don't do this at home.
"-Wno-global-constructors",
"-Wno-exit-time-destructors",
###
"-Wno-non-modular-include-in-module",
"-Wno-old-style-cast",
# Warns on preferred usage of non-POD types such as string_view
"-Wno-range-loop-analysis",
"-Wno-reserved-id-macro",
"-Wno-shorten-64-to-32",
"-Wno-switch-enum",
"-Wno-thread-safety-negative",
"-Wno-unknown-warning-option",
"-Wno-unreachable-code",
# Causes warnings on include guards
"-Wno-unused-macros",
"-Wno-weak-vtables",
# Causes warnings on usage of types/compare.h comparison operators.
"-Wno-zero-as-null-pointer-constant",
###
# Implicit conversion warnings turned off by -Wno-conversion
# which are re-enabled below.
"-Wbitfield-enum-conversion",
"-Wbool-conversion",
"-Wconstant-conversion",
"-Wenum-conversion",
"-Wint-conversion",
"-Wliteral-conversion",
"-Wnon-literal-null-conversion",
"-Wnull-conversion",
"-Wobjc-literal-conversion",
"-Wno-sign-conversion",
"-Wstring-conversion",
]
LLVM_TEST_DISABLE_WARNINGS_FLAGS = [
"-Wno-c99-extensions",
"-Wno-deprecated-declarations",
"-Wno-missing-noreturn",
"-Wno-missing-prototypes",
"-Wno-missing-variable-declarations",
"-Wno-null-conversion",
"-Wno-shadow",
"-Wno-shift-sign-overflow",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-member-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
"-Wno-unused-template",
"-Wno-used-but-marked-unused",
"-Wno-zero-as-null-pointer-constant",
# gtest depends on this GNU extension being offered.
"-Wno-gnu-zero-variadic-macro-arguments",
]
MSVC_DEFINES = [
"/DNOMINMAX", # Don't define min and max macros (windows.h)
# Don't bloat namespace with incompatible winsock versions.
"/DWIN32_LEAN_AND_MEAN",
# Don't warn about usage of insecure C functions.
"/D_CRT_SECURE_NO_WARNINGS",
"/D_SCL_SECURE_NO_WARNINGS",
# Introduced in VS 2017 15.8, allow overaligned types in aligned_storage
"/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
]
COPT_VARS = {
"ABSL_GCC_FLAGS": [
"-Wall",
"-Wextra",
"-Wcast-qual",
"-Wconversion-null",
"-Wmissing-declarations",
"-Woverlength-strings",
"-Wpointer-arith",
"-Wunused-local-typedefs",
"-Wunused-result",
"-Wvarargs",
"-Wvla", # variable-length array
"-Wwrite-strings",
# gcc-4.x has spurious missing field initializer warnings.
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36750
# Remove when gcc-4.x is no longer supported.
"-Wno-missing-field-initializers",
# Google style does not use unsigned integers, though STL containers
# have unsigned types.
"-Wno-sign-compare",
],
"ABSL_GCC_TEST_FLAGS": [
"-Wno-conversion-null",
"-Wno-deprecated-declarations",
"-Wno-missing-declarations",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
],
"ABSL_LLVM_FLAGS":
LLVM_BIG_WARNING_FLAGS + LLVM_DISABLE_WARNINGS_FLAGS,
"ABSL_LLVM_TEST_FLAGS":
LLVM_TEST_DISABLE_WARNINGS_FLAGS,
"ABSL_CLANG_CL_FLAGS":
(MSVC_BIG_WARNING_FLAGS + LLVM_DISABLE_WARNINGS_FLAGS + MSVC_DEFINES),
"ABSL_CLANG_CL_TEST_FLAGS":
LLVM_TEST_DISABLE_WARNINGS_FLAGS,
"ABSL_MSVC_FLAGS":
MSVC_BIG_WARNING_FLAGS + MSVC_DEFINES + [
# Increase the number of sections available in object files
"/bigobj",
"/wd4005", # macro-redefinition
"/wd4068", # unknown pragma
# qualifier applied to function type has no meaning; ignored
"/wd4180",
# conversion from 'type1' to 'type2', possible loss of data
"/wd4244",
# conversion from 'size_t' to 'type', possible loss of data
"/wd4267",
# The decorated name was longer than the compiler limit
"/wd4503",
# forcing value to bool 'true' or 'false' (performance warning)
"/wd4800",
],
"ABSL_MSVC_TEST_FLAGS": [
"/wd4018", # signed/unsigned mismatch
"/wd4101", # unreferenced local variable
"/wd4503", # decorated name length exceeded, name was truncated
"/wd4996", # use of deprecated symbol
"/DNOMINMAX", # disable the min() and max() macros from <windows.h>
],
"ABSL_MSVC_LINKOPTS": [
# Object file doesn't export any previously undefined symbols
"-ignore:4221",
],
# "HWAES" is an abbreviation for "hardware AES" (AES - Advanced Encryption
# Standard). These flags are used for detecting whether or not the target
# architecture has hardware support for AES instructions which can be used
# to improve performance of some random bit generators.
"ABSL_RANDOM_HWAES_ARM64_FLAGS": ["-march=armv8-a+crypto"],
"ABSL_RANDOM_HWAES_ARM32_FLAGS": ["-mfpu=neon"],
"ABSL_RANDOM_HWAES_X64_FLAGS": [
"-maes",
"-msse4.1",
],
"ABSL_RANDOM_HWAES_MSVC_X64_FLAGS": [],
}

109
third_party/abseil_cpp/absl/copts/generate_copts.py vendored Executable file
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@ -0,0 +1,109 @@
#!/usr/bin/python
"""Generate Abseil compile compile option configs.
Usage: <path_to_absl>/copts/generate_copts.py
The configs are generated from copts.py.
"""
from os import path
import sys
from copts import COPT_VARS
# Helper functions
def file_header_lines():
return [
"GENERATED! DO NOT MANUALLY EDIT THIS FILE.", "",
"(1) Edit absl/copts/copts.py.",
"(2) Run `python <path_to_absl>/copts/generate_copts.py`."
]
def flatten(*lists):
return [item for sublist in lists for item in sublist]
def relative_filename(filename):
return path.join(path.dirname(__file__), filename)
# Style classes. These contain all the syntactic styling needed to generate a
# copt file for different build tools.
class CMakeStyle(object):
"""Style object for CMake copts file."""
def separator(self):
return ""
def list_introducer(self, name):
return "list(APPEND " + name
def list_closer(self):
return ")\n"
def docstring(self):
return "\n".join((("# " + line).strip() for line in file_header_lines()))
def filename(self):
return "GENERATED_AbseilCopts.cmake"
class StarlarkStyle(object):
"""Style object for Starlark copts file."""
def separator(self):
return ","
def list_introducer(self, name):
return name + " = ["
def list_closer(self):
return "]\n"
def docstring(self):
docstring_quotes = "\"\"\""
return docstring_quotes + "\n".join(
flatten(file_header_lines(), [docstring_quotes]))
def filename(self):
return "GENERATED_copts.bzl"
def copt_list(name, arg_list, style):
"""Copt file generation."""
make_line = lambda s: " \"" + s + "\"" + style.separator()
external_str_list = [make_line(s) for s in arg_list]
return "\n".join(
flatten(
[style.list_introducer(name)],
external_str_list,
[style.list_closer()]))
def generate_copt_file(style):
"""Creates a generated copt file using the given style object.
Args:
style: either StarlarkStyle() or CMakeStyle()
"""
with open(relative_filename(style.filename()), "w") as f:
f.write(style.docstring())
f.write("\n")
for var_name, arg_list in sorted(COPT_VARS.items()):
f.write("\n")
f.write(copt_list(var_name, arg_list, style))
def main(argv):
if len(argv) > 1:
raise RuntimeError("generate_copts needs no command line args")
generate_copt_file(StarlarkStyle())
generate_copt_file(CMakeStyle())
if __name__ == "__main__":
main(sys.argv)