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envoy_internal.bzl
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# DO NOT LOAD THIS FILE. Targets from this file should be considered private
# and not used outside of the @envoy//bazel package.
load(":envoy_select.bzl", "envoy_select_enable_http3", "envoy_select_google_grpc", "envoy_select_hot_restart")
# Compute the final copts based on various options.
def envoy_copts(repository, test = False):
posix_options = [
"-Wall",
"-Wextra",
"-Werror",
"-Wnon-virtual-dtor",
"-Woverloaded-virtual",
"-Wold-style-cast",
"-Wformat",
"-Wformat-security",
"-Wvla",
"-Wno-deprecated-declarations",
]
# Windows options for cleanest service compilation;
# General MSVC C++ options for Envoy current expectations.
# Target windows.h for all Windows 10 (0x0A) API prototypes (ntohll etc)
# (See https://msdn.microsoft.com/en-us/library/windows/desktop/aa383745(v=vs.85).aspx )
# Optimize Windows headers by dropping GUI-oriented features from compilation
msvc_options = [
"-WX",
"-Zc:__cplusplus",
"-DWIN32",
"-D_WIN32_WINNT=0x0A00", # _WIN32_WINNT_WIN10
"-DNTDDI_VERSION=0x0A000005", # NTDDI_WIN10_RS4
"-DWIN32_LEAN_AND_MEAN",
"-DNOUSER",
"-DNOMCX",
"-DNOIME",
"-DNOCRYPT",
# Ignore unguarded gcc pragmas in quiche (unrecognized by MSVC)
"-wd4068",
# Silence incorrect MSVC compiler warnings when converting between std::optional
# data types (while conversions between primitive types are producing no error)
"-wd4244",
# Allow inline functions to be undefined
"-wd4506",
]
return select({
repository + "//bazel:windows_x86_64": msvc_options,
"//conditions:default": posix_options,
}) + select({
# Simplify the amount of symbolic debug info for test binaries, since
# debugging info detailing some 1600 test binaries would be wasteful.
# targets listed in order from generic to increasing specificity.
# Bazel adds an implicit -DNDEBUG for opt targets.
repository + "//bazel:opt_build": [] if test else ["-ggdb3", "-gsplit-dwarf"],
repository + "//bazel:fastbuild_build": [],
repository + "//bazel:dbg_build": ["-ggdb3", "-gsplit-dwarf"],
repository + "//bazel:windows_opt_build": [] if test else ["-Z7"],
repository + "//bazel:windows_fastbuild_build": [],
repository + "//bazel:windows_dbg_build": [],
repository + "//bazel:clang_cl_opt_build": [] if test else ["-Z7", "-fstandalone-debug"],
repository + "//bazel:clang_cl_fastbuild_build": ["-fno-standalone-debug"],
repository + "//bazel:clang_cl_dbg_build": ["-fstandalone-debug"],
}) + select({
# Toggle expected features and warnings by compiler
repository + "//bazel:clang_build": [
"-fno-limit-debug-info",
"-Wgnu-conditional-omitted-operand",
"-Wc++2a-extensions",
"-Wrange-loop-analysis",
],
repository + "//bazel:gcc_build": ["-Wno-maybe-uninitialized"],
# Allow 'nodiscard' function results values to be discarded for test code only
# TODO(envoyproxy/windows-dev): Replace /Zc:preprocessor with /experimental:preprocessor
# for msvc versions between 15.8 through 16.4.x. see
# https://docs.microsoft.com/en-us/cpp/build/reference/zc-preprocessor
repository + "//bazel:windows_x86_64": ["-wd4834", "-Zc:preprocessor", "-Wv:19.4"] if test else ["-Zc:preprocessor", "-Wv:19.4"],
repository + "//bazel:clang_cl_build": ["-Wno-unused-result"] if test else [],
"//conditions:default": [],
}) + select({
repository + "//bazel:no_debug_info": ["-g0"],
"//conditions:default": [],
}) + select({
repository + "//bazel:disable_tcmalloc": ["-DABSL_MALLOC_HOOK_MMAP_DISABLE"],
repository + "//bazel:disable_tcmalloc_on_linux_x86_64": ["-DABSL_MALLOC_HOOK_MMAP_DISABLE"],
repository + "//bazel:disable_tcmalloc_on_linux_aarch64": ["-DABSL_MALLOC_HOOK_MMAP_DISABLE"],
repository + "//bazel:gperftools_tcmalloc": ["-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:gperftools_tcmalloc_on_linux_x86_64": ["-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:gperftools_tcmalloc_on_linux_aarch64": ["-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:debug_tcmalloc": ["-DENVOY_MEMORY_DEBUG_ENABLED=1", "-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:debug_tcmalloc_on_linux_x86_64": ["-DENVOY_MEMORY_DEBUG_ENABLED=1", "-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:debug_tcmalloc_on_linux_aarch64": ["-DENVOY_MEMORY_DEBUG_ENABLED=1", "-DGPERFTOOLS_TCMALLOC"],
repository + "//bazel:linux_x86_64": ["-DTCMALLOC"],
repository + "//bazel:linux_aarch64": ["-DTCMALLOC"],
"//conditions:default": ["-DGPERFTOOLS_TCMALLOC"],
}) + select({
repository + "//bazel:disable_signal_trace": [],
"//conditions:default": ["-DENVOY_HANDLE_SIGNALS"],
}) + select({
repository + "//bazel:disable_object_dump_on_signal_trace": [],
"//conditions:default": ["-DENVOY_OBJECT_TRACE_ON_DUMP"],
}) + select({
repository + "//bazel:disable_deprecated_features": ["-DENVOY_DISABLE_DEPRECATED_FEATURES"],
"//conditions:default": [],
}) + select({
repository + "//bazel:enable_log_debug_assert_in_release": ["-DENVOY_LOG_DEBUG_ASSERT_IN_RELEASE"],
"//conditions:default": [],
}) + select({
repository + "//bazel:enable_log_fast_debug_assert_in_release": ["-DENVOY_LOG_FAST_DEBUG_ASSERT_IN_RELEASE"],
"//conditions:default": [],
}) + select({
repository + "//bazel:disable_known_issue_asserts": ["-DENVOY_DISABLE_KNOWN_ISSUE_ASSERTS"],
"//conditions:default": [],
}) + select({
# APPLE_USE_RFC_3542 is needed to support IPV6_PKTINFO in MAC OS.
repository + "//bazel:apple": ["-D__APPLE_USE_RFC_3542"],
"//conditions:default": [],
}) + envoy_select_hot_restart(["-DENVOY_HOT_RESTART"], repository) + \
envoy_select_enable_http3(["-DENVOY_ENABLE_QUIC"], repository) + \
_envoy_select_perf_annotation(["-DENVOY_PERF_ANNOTATION"]) + \
envoy_select_google_grpc(["-DENVOY_GOOGLE_GRPC"], repository) + \
_envoy_select_path_normalization_by_default(["-DENVOY_NORMALIZE_PATH_BY_DEFAULT"], repository)
# References to Envoy external dependencies should be wrapped with this function.
def envoy_external_dep_path(dep):
return "//external:%s" % dep
def envoy_linkstatic():
return select({
"@envoy//bazel:dynamic_link_tests": 0,
"//conditions:default": 1,
})
def envoy_select_force_libcpp(if_libcpp, default = None):
return select({
"@envoy//bazel:force_libcpp": if_libcpp,
"@envoy//bazel:apple": [],
"@envoy//bazel:windows_x86_64": [],
"//conditions:default": default or [],
})
def envoy_stdlib_deps():
return select({
"@envoy//bazel:asan_build": ["@envoy//bazel:dynamic_stdlib"],
"@envoy//bazel:msan_build": ["@envoy//bazel:dynamic_stdlib"],
"@envoy//bazel:tsan_build": ["@envoy//bazel:dynamic_stdlib"],
"//conditions:default": ["@envoy//bazel:static_stdlib"],
})
# Dependencies on tcmalloc_and_profiler should be wrapped with this function.
def tcmalloc_external_dep(repository):
return select({
repository + "//bazel:disable_tcmalloc": None,
repository + "//bazel:disable_tcmalloc_on_linux_x86_64": None,
repository + "//bazel:disable_tcmalloc_on_linux_aarch64": None,
repository + "//bazel:debug_tcmalloc": envoy_external_dep_path("gperftools"),
repository + "//bazel:debug_tcmalloc_on_linux_x86_64": envoy_external_dep_path("gperftools"),
repository + "//bazel:debug_tcmalloc_on_linux_aarch64": envoy_external_dep_path("gperftools"),
repository + "//bazel:gperftools_tcmalloc": envoy_external_dep_path("gperftools"),
repository + "//bazel:gperftools_tcmalloc_on_linux_x86_64": envoy_external_dep_path("gperftools"),
repository + "//bazel:gperftools_tcmalloc_on_linux_aarch64": envoy_external_dep_path("gperftools"),
repository + "//bazel:linux_x86_64": envoy_external_dep_path("tcmalloc"),
repository + "//bazel:linux_aarch64": envoy_external_dep_path("tcmalloc"),
"//conditions:default": envoy_external_dep_path("gperftools"),
})
# Select the given values if default path normalization is on in the current build.
def _envoy_select_path_normalization_by_default(xs, repository = ""):
return select({
repository + "//bazel:enable_path_normalization_by_default": xs,
"//conditions:default": [],
})
def _envoy_select_perf_annotation(xs):
return select({
"@envoy//bazel:enable_perf_annotation": xs,
"//conditions:default": [],
})