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Add Darwin+Arm64 toolchain support

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This just sets up the toolchain and allows Darwin+Arm64 to be specified
as a HostCross target. These variants will not be exported to Make, or
be installed on a Soong-only build. A future CL will add support for
universal binaries using these variants.

This config is a bit stranger than the regular 64/32 multilib, as it's
two primary 64-bit configs. And on a Darwin/X86 machine, the Arm64
versions are HostCross (doesn't work on the current machines), while a
Darwin/Arm64 machine, either version works (if Rosetta is installed).

Bug: 203607969
Change-Id: Iacaed77d267773672da027cd74917e33fb1c1e94
This commit is contained in:
Dan Willemsen
2021-10-19 00:22:06 -07:00
parent 1caea35278
commit 8528f4ec5e
7 changed files with 98 additions and 15 deletions
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2
bazel/configurability.go
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@@ -39,6 +39,7 @@ const (
osArchAndroidArm64 = "android_arm64"
osArchAndroidX86 = "android_x86"
osArchAndroidX86_64 = "android_x86_64"
osArchDarwinArm64 = "darwin_arm64"
osArchDarwinX86_64 = "darwin_x86_64"
osArchLinuxX86 = "linux_glibc_x86"
osArchLinuxX86_64 = "linux_glibc_x86_64"
@@ -96,6 +97,7 @@ var (
osArchAndroidArm64: "//build/bazel/platforms/os_arch:android_arm64",
osArchAndroidX86: "//build/bazel/platforms/os_arch:android_x86",
osArchAndroidX86_64: "//build/bazel/platforms/os_arch:android_x86_64",
osArchDarwinArm64: "//build/bazel/platforms/os_arch:darwin_arm64",
osArchDarwinX86_64: "//build/bazel/platforms/os_arch:darwin_x86_64",
osArchLinuxX86: "//build/bazel/platforms/os_arch:linux_glibc_x86",
osArchLinuxX86_64: "//build/bazel/platforms/os_arch:linux_glibc_x86_64",