From b30ddee2aa9ce1654986dfb0ff6d0e664ab6f59e Mon Sep 17 00:00:00 2001
From: scentini <rosica@google.com>
Date: Tue, 28 Aug 2018 14:07:55 +0200
Subject: use flag_values = {"@bazel_tools//tools/cpp:compiler": "x"} for
 compiler config_settings

---
 BUILD | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/BUILD b/BUILD
index 25c41a42..58d7a82b 100644
--- a/BUILD
+++ b/BUILD
@@ -52,10 +52,9 @@ COPTS = select({
     ],
 })
 
-config_setting(
-    name = "msvc",
-    values = { "compiler": "msvc-cl" },
-)
+load(":compiler_config_setting.bzl", "create_compiler_config_setting")
+
+create_compiler_config_setting(name = "msvc", value = "msvc-cl")
 
 config_setting(
     name = "android",
-- 
cgit v1.2.3


From 664f9277b52dd7a68fa4769dc1df4ea9e061267a Mon Sep 17 00:00:00 2001
From: scentini <rosica.dejanovska@gmail.com>
Date: Tue, 28 Aug 2018 14:10:46 +0200
Subject: Create compiler_config_setting.bzl

---
 compiler_config_setting.bzl | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 compiler_config_setting.bzl

diff --git a/compiler_config_setting.bzl b/compiler_config_setting.bzl
new file mode 100644
index 00000000..5e52a652
--- /dev/null
+++ b/compiler_config_setting.bzl
@@ -0,0 +1,21 @@
+"""Creates config_setting that allows selecting based on 'compiler' value."""
+
+def create_compiler_config_setting(name, value):
+    # The "do_not_use_tools_cpp_compiler_present" attribute exists to
+    # distinguish between older versions of Bazel that do not support
+    # "@bazel_tools//tools/cpp:compiler" flag_value, and newer ones that do.
+    # In the future, the only way to select on the compiler will be through
+    # flag_values{"@bazel_tools//tools/cpp:compiler"} and the else branch can
+    # be removed.
+    if hasattr(cc_common, "do_not_use_tools_cpp_compiler_present"):
+        native.config_setting(
+            name = name,
+            flag_values = {
+                "@bazel_tools//tools/cpp:compiler": value,
+            },
+        )
+    else:
+        native.config_setting(
+            name = name,
+            values = {"compiler": value},
+        )
-- 
cgit v1.2.3