From ef47bbfbae575f56d743ed0831a1901fa9d9224b Mon Sep 17 00:00:00 2001
From: James Foster <git@jgfoster.net>
Date: Sun, 4 Apr 2021 13:37:46 -0700
Subject: [PATCH] Fix problem with warnings for platforms.

---
 CHANGELOG.md                                 |  1 +
 SampleProjects/TestSomething/.arduino-ci.yml | 15 +++++++++++++++
 lib/arduino_ci/cpp_library.rb                |  2 +-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cac76ad..3f83ce96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 
 ### Changed
+- Fix copy/paste error to allow additional warnings for a platform
 
 ### Deprecated
 
diff --git a/SampleProjects/TestSomething/.arduino-ci.yml b/SampleProjects/TestSomething/.arduino-ci.yml
index f9890177..109fa0f3 100644
--- a/SampleProjects/TestSomething/.arduino-ci.yml
+++ b/SampleProjects/TestSomething/.arduino-ci.yml
@@ -1,3 +1,18 @@
+platforms:
+  uno:
+    board: arduino:avr:uno
+    package: arduino:avr
+    gcc:
+      features:
+      defines:
+        - __AVR__
+        - __AVR_ATmega328P__
+        - ARDUINO_ARCH_AVR
+        - ARDUINO_AVR_UNO
+      warnings:
+        - no-unknown-attributes
+      flags:
+
 unittest:
   platforms:
     - uno
diff --git a/lib/arduino_ci/cpp_library.rb b/lib/arduino_ci/cpp_library.rb
index 4ad7307f..f3e4a7a4 100644
--- a/lib/arduino_ci/cpp_library.rb
+++ b/lib/arduino_ci/cpp_library.rb
@@ -443,7 +443,7 @@ def feature_args(ci_gcc_config)
     def warning_args(ci_gcc_config)
       return [] if ci_gcc_config[:warnings].nil?
 
-      ci_gcc_config[:features].map { |w| "-W#{w}" }
+      ci_gcc_config[:warnings].map { |w| "-W#{w}" }
     end
 
     # GCC command line arguments for defines (e.g. -Dhave_something)