tvl-depot/absl/copts.bzl
Abseil Team b05b79538f Changes imported from Abseil "staging" branch:
- 33cefac68ed8720bd7468e59b8fd9a13d7b7a8bf Fix example in comment of absl::Condition. by Abseil Team <absl-team@google.com>
  - 2c95e2895d6bf36b712c0b72cf2a42cbe5442a70 Internal change by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 33cefac68ed8720bd7468e59b8fd9a13d7b7a8bf
Change-Id: I34c1a4976c019a548dc94a2a9cf471243fcb623c
2017-11-16 10:59:22 -05:00

133 lines
3.8 KiB
Python

"""absl specific copts.
Flags specified here must not impact ABI. Code compiled with and without these
opts will be linked together, and in some cases headers compiled with and
without these options will be part of the same program.
"""
GCC_FLAGS = [
"-Wall",
"-Wextra",
"-Wcast-qual",
"-Wconversion-null",
"-Wmissing-declarations",
"-Wno-sign-compare",
"-Woverlength-strings",
"-Wpointer-arith",
"-Wunused-local-typedefs",
"-Wunused-result",
"-Wvarargs",
"-Wvla", # variable-length array
"-Wwrite-strings",
]
GCC_TEST_FLAGS = [
"-Wno-conversion-null",
"-Wno-missing-declarations",
"-Wno-sign-compare",
"-Wno-unused-function",
"-Wno-unused-parameter",
"-Wno-unused-private-field",
]
LLVM_FLAGS = [
"-Wall",
"-Wextra",
"-Weverything",
"-Wno-c++98-compat-pedantic",
"-Wno-comma",
"-Wno-conversion",
"-Wno-covered-switch-default",
"-Wno-deprecated",
"-Wno-disabled-macro-expansion",
"-Wno-documentation",
"-Wno-documentation-unknown-command",
"-Wno-double-promotion",
"-Wno-exit-time-destructors",
"-Wno-extra-semi",
"-Wno-float-conversion",
"-Wno-float-equal",
"-Wno-format-nonliteral",
"-Wno-gcc-compat",
"-Wno-global-constructors",
"-Wno-nested-anon-types",
"-Wno-non-modular-include-in-module",
"-Wno-old-style-cast",
"-Wno-packed",
"-Wno-padded",
"-Wno-range-loop-analysis",
"-Wno-reserved-id-macro",
"-Wno-shorten-64-to-32",
"-Wno-sign-conversion",
"-Wno-switch-enum",
"-Wno-thread-safety-negative",
"-Wno-undef",
"-Wno-unknown-warning-option",
"-Wno-unreachable-code",
"-Wno-unused-macros",
"-Wno-weak-vtables",
# flags below are also controlled by -Wconversion which is disabled
"-Wbitfield-enum-conversion",
"-Wbool-conversion",
"-Wconstant-conversion",
"-Wenum-conversion",
"-Wint-conversion",
"-Wliteral-conversion",
"-Wnon-literal-null-conversion",
"-Wnull-conversion",
"-Wobjc-literal-conversion",
"-Wstring-conversion",
]
LLVM_TEST_FLAGS = [
"-Wno-c99-extensions",
"-Wno-missing-noreturn",
"-Wno-missing-prototypes",
"-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",
]
MSVC_FLAGS = [
"/W3",
"/WX",
"/wd4005", # macro-redifinition
"/wd4068", # unknown pragma
"/wd4244", # conversion from 'type1' to 'type2', possible loss of data
"/wd4267", # conversion from 'size_t' to 'type', possible loss of data
"/wd4800", # forcing value to bool 'true' or 'false' (performance warning)
"/DWIN32_LEAN_AND_MEAN", # Don't bloat namespace with incompatible winsock versions.
]
MSVC_TEST_FLAGS = [
"/wd4018", # signed/unsigned mismatch
"/wd4101", # unreferenced local variable
"/wd4503", # decorated name length exceeded, name was truncated
]
# /Wall with msvc includes unhelpful warnings such as C4711, C4710, ...
ABSL_DEFAULT_COPTS = select({
"//absl:windows": MSVC_FLAGS,
"//absl:llvm_compiler": LLVM_FLAGS,
"//conditions:default": 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": MSVC_TEST_FLAGS,
"//absl:llvm_compiler": LLVM_TEST_FLAGS,
"//conditions:default": GCC_TEST_FLAGS,
})
ABSL_EXCEPTIONS_FLAG = select({
"//absl:windows": ["/U_HAS_EXCEPTIONS", "/D_HAS_EXCEPTIONS=1", "/EHsc"],
"//conditions:default": ["-fexceptions"],
})