move Bazel version header generation to shared build structure (#75332)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/75332

ghstack-source-id: 154678044

Test Plan: Rely on OSS CI.

Reviewed By: malfet

Differential Revision: D35434229

fbshipit-source-id: 7cdd33fa32d0c485f44477e414c24c9bc4b74963
(cherry picked from commit 60285c613e8703c52f36f0bf1178e35c04574ffa)

BUILD.bazel

@@ -1617,14 +1617,6 @@ cc_library(
 )
 
 # torch
-genrule(
-    name = "version_h",
-    srcs = ["torch/csrc/api/include/torch/version.h.in", "version.txt"],
-    outs = ["torch/csrc/api/include/torch/version.h"],
-    cmd = "$(location //tools/setup_helpers:gen_version_header) --template-path $(location torch/csrc/api/include/torch/version.h.in) --version-path $(location version.txt) --output-path $@",
-    tools = ['//tools/setup_helpers:gen_version_header'],
-)
-
 py_binary(
     name = "stringify_file",
     srcs = ["torch/csrc/jit/codegen/cuda/tools/stringify_file.py"],

build.bzl

@@ -10,6 +10,7 @@ def define_targets(rules):
         tags = [
             "supermodule:android/default/pytorch",
             "supermodule:ios/default/public.pytorch",
+            "xplat",
         ],
         visibility = ["//visibility:public"],
         deps = [
@@ -19,3 +20,16 @@ def define_targets(rules):
             "//third_party/miniz-2.0.8:miniz",
         ],
     )
+
+    rules.genrule(
+        name = "version_h",
+        srcs = [
+            ":torch/csrc/api/include/torch/version.h.in",
+            ":version.txt",
+        ],
+        outs = ["torch/csrc/api/include/torch/version.h"],
+        cmd = "$(location //tools/setup_helpers:gen_version_header) " +
+              "--template-path $(location :torch/csrc/api/include/torch/version.h.in) " +
+              "--version-path $(location :version.txt) --output-path $@ ",
+        tools = ["//tools/setup_helpers:gen_version_header"],
+    )

tools/bazel.bzl

@@ -19,6 +19,7 @@ rules = struct(
     cc_test = cc_test,
     cmake_configure_file = cmake_configure_file,
     filegroup = native.filegroup,
+    genrule = native.genrule,
     glob = native.glob,
     if_cuda = if_cuda,
     py_binary = native.py_binary,