pw_sys_io: Move sys_io's build arg to a .gni file
Change-Id: I1a6e7aed6c5720c60d1c224558c2913fe4d648a5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/27940
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Reviewed-by: Armando Montanez <amontanez@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Wyatt Hepler <hepler@google.com>
diff --git a/pw_sys_io/BUILD.gn b/pw_sys_io/BUILD.gn
index bdff7eb..652bbc7 100644
--- a/pw_sys_io/BUILD.gn
+++ b/pw_sys_io/BUILD.gn
@@ -17,11 +17,7 @@
import("$dir_pw_build/facade.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
-
-declare_args() {
- # Backend for the pw_sys_io module.
- pw_sys_io_BACKEND = ""
-}
+import("backend.gni")
config("default_config") {
include_dirs = [ "public" ]
diff --git a/pw_sys_io/backend.gni b/pw_sys_io/backend.gni
new file mode 100644
index 0000000..d9f1993
--- /dev/null
+++ b/pw_sys_io/backend.gni
@@ -0,0 +1,18 @@
+# Copyright 2020 The Pigweed Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+declare_args() {
+ # Backend for the pw_sys_io facade.
+ pw_sys_io_BACKEND = ""
+}
diff --git a/targets/arduino/target_toolchains.gni b/targets/arduino/target_toolchains.gni
index e06725b..e7cad07 100644
--- a/targets/arduino/target_toolchains.gni
+++ b/targets/arduino/target_toolchains.gni
@@ -14,6 +14,7 @@
import("//build_overrides/pigweed.gni")
+import("$dir_pw_sys_io/backend.gni")
import("$dir_pw_toolchain/arm_gcc/toolchains.gni")
declare_args() {
diff --git a/targets/host/target_toolchains.gni b/targets/host/target_toolchains.gni
index e3dd05d..2a77cc9 100644
--- a/targets/host/target_toolchains.gni
+++ b/targets/host/target_toolchains.gni
@@ -18,6 +18,7 @@
import("$dir_pw_protobuf_compiler/proto.gni")
import("$dir_pw_rpc/system_server/backend.gni")
import("$dir_pw_sync/backend.gni")
+import("$dir_pw_sys_io/backend.gni")
import("$dir_pw_third_party/nanopb/nanopb.gni")
import("$dir_pw_toolchain/host_clang/toolchains.gni")
import("$dir_pw_toolchain/host_gcc/toolchains.gni")
diff --git a/targets/lm3s6965evb-qemu/target_toolchains.gni b/targets/lm3s6965evb-qemu/target_toolchains.gni
index be322ab..4494fde 100644
--- a/targets/lm3s6965evb-qemu/target_toolchains.gni
+++ b/targets/lm3s6965evb-qemu/target_toolchains.gni
@@ -14,6 +14,7 @@
import("//build_overrides/pigweed.gni")
+import("$dir_pw_sys_io/backend.gni")
import("$dir_pw_toolchain/arm_gcc/toolchains.gni")
_test_runner_script = "py/lm3s6965evb_qemu_utils/unit_test_runner.py"
diff --git a/targets/stm32f429i-disc1/target_toolchains.gni b/targets/stm32f429i-disc1/target_toolchains.gni
index 4125ead..9a4a41f 100644
--- a/targets/stm32f429i-disc1/target_toolchains.gni
+++ b/targets/stm32f429i-disc1/target_toolchains.gni
@@ -15,6 +15,7 @@
import("//build_overrides/pigweed.gni")
import("$dir_pw_rpc/system_server/backend.gni")
+import("$dir_pw_sys_io/backend.gni")
import("$dir_pw_toolchain/arm_gcc/toolchains.gni")
declare_args() {
