From 174e02ae3e377e1cfc36a620a078d8046b0887c1 Mon Sep 17 00:00:00 2001
From: Ning Ren <ningr@google.com>
Date: Mon, 20 Nov 2017 15:24:21 -0800
Subject: Packs contents of WORKSPACE into a bzl function, so that it can be
 resued by other projects, and simplifies cares build.

---
 third_party/cares/BUILD                   |  9 +++++
 third_party/cares/cares.BUILD             | 38 ++++++++-------------
 third_party/cares/cares_local_files.BUILD | 57 -------------------------------
 3 files changed, 23 insertions(+), 81 deletions(-)
 create mode 100644 third_party/cares/BUILD
 delete mode 100644 third_party/cares/cares_local_files.BUILD

(limited to 'third_party/cares')

diff --git a/third_party/cares/BUILD b/third_party/cares/BUILD
new file mode 100644
index 0000000000..ad27d93c0f
--- /dev/null
+++ b/third_party/cares/BUILD
@@ -0,0 +1,9 @@
+exports_files([
+    "ares_build.h",
+    "cares.BUILD",
+    "config_android/ares_config.h",
+    "config_darwin/ares_config.h",
+    "config_freebsd/ares_config.h",
+    "config_linux/ares_config.h",
+    "config_openbsd/ares_config.h",
+])
diff --git a/third_party/cares/cares.BUILD b/third_party/cares/cares.BUILD
index 85ca506ab0..3ac02875e6 100644
--- a/third_party/cares/cares.BUILD
+++ b/third_party/cares/cares.BUILD
@@ -35,33 +35,27 @@ config_setting(
 )
 
 genrule(
-    name = "ares_build",
-    srcs = ["@cares_local_files//:ares_build_h"],
+    name = "ares_build_h",
+    srcs = ["@com_github_grpc_grpc//third_party/cares:ares_build.h"],
     outs = ["ares_build.h"],
-    cmd = "cat $(location @cares_local_files//:ares_build_h) > $@",
+    cmd = "cat $< > $@",
 )
 
-# cc_library(
-#     name = "ares_build_h",
-#     hdrs = ["ares_build.h"],
-#     data = [":ares_build"],
-#     includes = ["."],
-# )
-
 genrule(
-    name = "ares_config",
-    srcs = ["@cares_local_files//:ares_config_h"],
+    name = "ares_config_h",
+    srcs = select({
+        ":ios_x86_64": ["@com_github_grpc_grpc//third_party/cares:config_darwin/ares_config.h"],
+        ":ios_armv7": ["@com_github_grpc_grpc//third_party/cares:config_darwin/ares_config.h"],
+        ":ios_armv7s": ["@com_github_grpc_grpc//third_party/cares:config_darwin/ares_config.h"],
+        ":ios_arm64": ["@com_github_grpc_grpc//third_party/cares:config_darwin/ares_config.h"],
+        ":darwin": ["@com_github_grpc_grpc//third_party/cares:config_darwin/ares_config.h"],
+        ":android": ["@com_github_grpc_grpc//third_party/cares:config_android/ares_config.h"],
+        "//conditions:default": ["@com_github_grpc_grpc//third_party/cares:config_linux/ares_config.h"],
+    }),
     outs = ["ares_config.h"],
-    cmd = "cat $(location @cares_local_files//:ares_config_h) > $@",
+    cmd = "cat $< > $@",
 )
 
-# cc_library(
-#     name = "ares_config_h",
-#     hdrs = ["ares_config.h"],
-#     data = [":ares_config"],
-#     includes = ["."],
-# )
-
 cc_library(
     name = "ares",
     srcs = [
@@ -147,10 +141,6 @@ cc_library(
         "-DNOMINMAX",
         "-DHAVE_CONFIG_H",
     ],
-    data = [
-        ":ares_build",
-        ":ares_config",
-    ],
     includes = ["."],
     linkstatic = 1,
     visibility = [
diff --git a/third_party/cares/cares_local_files.BUILD b/third_party/cares/cares_local_files.BUILD
deleted file mode 100644
index fe59447beb..0000000000
--- a/third_party/cares/cares_local_files.BUILD
+++ /dev/null
@@ -1,57 +0,0 @@
-package(
-    default_visibility = ["//visibility:public"],
-)
-
-config_setting(
-    name = "darwin",
-    values = {"cpu": "darwin"},
-)
-
-# Android is not officially supported through C++.
-# This just helps with the build for now.
-config_setting(
-    name = "android",
-    values = {
-        "crosstool_top": "//external:android/crosstool",
-    },
-)
-
-# iOS is not officially supported through C++.
-# This just helps with the build for now.
-config_setting(
-    name = "ios_x86_64",
-    values = {"cpu": "ios_x86_64"},
-)
-
-config_setting(
-    name = "ios_armv7",
-    values = {"cpu": "ios_armv7"},
-)
-
-config_setting(
-    name = "ios_armv7s",
-    values = {"cpu": "ios_armv7s"},
-)
-
-config_setting(
-    name = "ios_arm64",
-    values = {"cpu": "ios_arm64"},
-)
-
-filegroup(
-    name = "ares_build_h",
-    srcs = ["ares_build.h"],
-)
-
-filegroup(
-    name = "ares_config_h",
-    srcs = select({
-        ":ios_x86_64": ["config_darwin/ares_config.h"],
-        ":ios_armv7": ["config_darwin/ares_config.h"],
-        ":ios_armv7s": ["config_darwin/ares_config.h"],
-        ":ios_arm64": ["config_darwin/ares_config.h"],
-        ":darwin": ["config_darwin/ares_config.h"],
-        ":android": ["config_android/ares_config.h"],
-        "//conditions:default": ["config_linux/ares_config.h"],
-    }),
-)
-- 
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