Internal change

PiperOrigin-RevId: 547735699

mediapipe/BUILD

@@ -68,30 +68,108 @@ config_setting(
     visibility = ["//visibility:public"],
 )
 
-# Note: this cannot just match "apple_platform_type": "macos" because that option
+# Generic MacOS.
-# defaults to "macos" even when building on Linux!
+config_setting(
-alias(
     name = "macos",
-    actual = select({
+    constraint_values = [
-        ":macos_i386": ":macos_i386",
+        "@platforms//os:macos",
-        ":macos_x86_64": ":macos_x86_64",
+    ],
-        ":macos_arm64": ":macos_arm64",
-        "//conditions:default": ":macos_i386",  # Arbitrarily chosen from above.
-    }),
     visibility = ["//visibility:public"],
 )
 
-# Note: this also matches on crosstool_top so that it does not produce ambiguous
+# MacOS x86 64-bit.
-# selectors when used together with "android".
+config_setting(
+    name = "macos_x86_64",
+    constraint_values = [
+        "@platforms//os:macos",
+        "@platforms//cpu:x86_64",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# MacOS ARM64.
+config_setting(
+    name = "macos_arm64",
+    constraint_values = [
+        "@platforms//os:macos",
+        "@platforms//cpu:arm64",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# Generic iOS.
 config_setting(
     name = "ios",
-    values = {
+    constraint_values = [
-        "crosstool_top": "@bazel_tools//tools/cpp:toolchain",
+        "@platforms//os:ios",
-        "apple_platform_type": "ios",
+    ],
-    },
     visibility = ["//visibility:public"],
 )
 
+# iOS device ARM32.
+config_setting(
+    name = "ios_armv7",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:arm",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# iOS device ARM64.
+config_setting(
+    name = "ios_arm64",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:arm64",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# iOS device ARM64E.
+config_setting(
+    name = "ios_arm64e",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:arm64e",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# iOS simulator x86 32-bit.
+config_setting(
+    name = "ios_i386",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:x86_32",
+        "@build_bazel_apple_support//constraints:simulator",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# iOS simulator x86 64-bit.
+config_setting(
+    name = "ios_x86_64",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:x86_64",
+        "@build_bazel_apple_support//constraints:simulator",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# iOS simulator ARM64.
+config_setting(
+    name = "ios_sim_arm64",
+    constraint_values = [
+        "@platforms//os:ios",
+        "@platforms//cpu:arm64",
+        "@build_bazel_apple_support//constraints:simulator",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# Generic Apple.
 alias(
     name = "apple",
     actual = select({
@@ -102,49 +180,6 @@ alias(
     visibility = ["//visibility:public"],
 )
 
-config_setting(
-    name = "macos_i386",
-    values = {
-        "apple_platform_type": "macos",
-        "cpu": "darwin",
-    },
-    visibility = ["//visibility:public"],
-)
-
-config_setting(
-    name = "macos_x86_64",
-    values = {
-        "apple_platform_type": "macos",
-        "cpu": "darwin_x86_64",
-    },
-    visibility = ["//visibility:public"],
-)
-
-config_setting(
-    name = "macos_arm64",
-    values = {
-        "apple_platform_type": "macos",
-        "cpu": "darwin_arm64",
-    },
-    visibility = ["//visibility:public"],
-)
-
-[
-    config_setting(
-        name = arch,
-        values = {"cpu": arch},
-        visibility = ["//visibility:public"],
-    )
-    for arch in [
-        "ios_i386",
-        "ios_x86_64",
-        "ios_armv7",
-        "ios_arm64",
-        "ios_arm64e",
-        "ios_sim_arm64",
-    ]
-]
-
 config_setting(
     name = "windows",
     values = {"cpu": "x64_windows"},

platform_mappings

@@ -0,0 +1,64 @@
+# This file allows automatically mapping flags such as '--cpu' to the more
+# modern Bazel platforms (https://bazel.build/concepts/platforms).
+
+# In particular, Bazel platforms lack support for Apple for now if no such
+# mapping is put into place. It's inspired from:
+# https://github.com/bazelbuild/rules_apple/issues/1764
+
+platforms:
+  @build_bazel_apple_support//platforms:macos_x86_64
+    --cpu=darwin_x86_64
+
+  @build_bazel_apple_support//platforms:macos_arm64
+    --cpu=darwin_arm64
+
+  @build_bazel_apple_support//platforms:ios_i386
+    --cpu=ios_i386
+
+  @build_bazel_apple_support//platforms:ios_x86_64
+    --cpu=ios_x86_64
+
+  @build_bazel_apple_support//platforms:ios_sim_arm64
+    --cpu=ios_sim_arm64
+
+  @build_bazel_apple_support//platforms:ios_armv7
+    --cpu=ios_armv7
+
+  @build_bazel_apple_support//platforms:ios_arm64
+    --cpu=ios_arm64
+
+  @build_bazel_apple_support//platforms:ios_arm64e
+    --cpu=ios_arm64e
+
+flags:
+  --cpu=darwin_x86_64
+  --apple_platform_type=macos
+    @build_bazel_apple_support//platforms:macos_x86_64
+
+  --cpu=darwin_arm64
+  --apple_platform_type=macos
+    @build_bazel_apple_support//platforms:macos_arm64
+
+  --cpu=ios_i386
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_i386
+
+  --cpu=ios_x86_64
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_x86_64
+
+  --cpu=ios_sim_arm64
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_sim_arm64
+
+  --cpu=ios_armv7
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_armv7
+
+  --cpu=ios_arm64
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_arm64
+
+  --cpu=ios_arm64e
+  --apple_platform_type=ios
+    @build_bazel_apple_support//platforms:ios_arm64e