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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_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_haswell": 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",
"haswell",
"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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