diff options
Diffstat (limited to 'absl/copts/configure_copts.bzl')
| -rw-r--r-- | absl/copts/configure_copts.bzl | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/absl/copts/configure_copts.bzl b/absl/copts/configure_copts.bzl index 0015931762a4..8c4efe77c21a 100644 --- a/absl/copts/configure_copts.bzl +++ b/absl/copts/configure_copts.bzl @@ -16,6 +16,10 @@ load( "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({ @@ -46,3 +50,40 @@ 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}, + ) |