[build] Collect code coverage from macOS builds

Collect coverage from development builds and add a nightly build
to collect metrics.

circle.yml

@@ -152,8 +152,9 @@ workflows:
           target_is_macos: true
           requires:
             - macos-xcode11-release
-          config_params: '-G Ninja -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_BUILD_TYPE=Debug'
+          config_params: '-G Ninja -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_BUILD_TYPE=Debug -DMBGL_WITH_COVERAGE=ON'
           style_tests: true
+          upload_coverage: true
       - build-template:
           name: ios-xcode11-release
           executor_name: macos-11_3_1
@@ -176,6 +177,15 @@ workflows:
           config_params: '-G Ninja -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER=gcc-8 -DCMAKE_CXX_COMPILER=g++-8 -DCMAKE_BUILD_TYPE=Debug -DMBGL_WITH_COVERAGE=ON'
           style_tests: true
           upload_coverage: true
+      - build-template:
+          name: macos-xcode11-debug-coverage-nightly
+          executor_name: macos-11_1_0
+          target_is_macos: true
+          requires:
+            - linux-gcc8-debug-coverage-nightly
+          config_params: '-G Ninja -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_BUILD_TYPE=Debug -DMBGL_WITH_COVERAGE=ON'
+          style_tests: true
+          upload_coverage: true
           publish_coverage: true
 
 #

metrics/macos-xcode11-debug-coverage-nightly-style.json

@@ -0,0 +1 @@
+macos-xcode11-debug-style.json