package/ci: code coverage on AppVeyor MinGW.

doc/building.dox

@@ -861,14 +861,17 @@ building your projects for Android.
 In `package/ci/` there is a `travis.yml` file with Linux GCC 4.7, macOS, Linux
 desktop GLES2/GLES3, iOS GLES2/GLES3, Emscripten WebGL1/WebGL2, Android
 GLES2/GLES3, AddressSanitizer and ThreadSanitizer configuration. Online at
-https://travis-ci.org/mosra/magnum. The builds have code coverage reports
-available online at https://codecov.io/gh/mosra/magnum.
+https://travis-ci.org/mosra/magnum.
 
 @subsection building-ci-appveyor AppVeyor
 
 In `package/ci/` there is an `appveyor.yml` file with Windows desktop MSVC,
 MinGW, Windows desktop GLES2/GLES3 and Windows RT GLES2/GLES3 configuration.
 Online at https://ci.appveyor.com/project/mosra/magnum.
-*/
 
+@subsection building-ci-coverage Codecov.io
+
+Linux, Linux GLES, macOS and Windows MinGW builds contribute to a combined code
+coverage report, available online at https://codecov.io/gh/mosra/magnum.
+*/
 }

package/ci/appveyor-desktop-mingw.bat

@@ -7,7 +7,8 @@ git clone --depth 1 git://github.com/mosra/corrade.git || exit /b
 cd corrade || exit /b
 mkdir build && cd build || exit /b
 cmake .. ^
-    -DCMAKE_BUILD_TYPE=Release ^
+    -DCMAKE_CXX_FLAGS="--coverage" ^
+    -DCMAKE_BUILD_TYPE=Debug ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
     -DWITH_INTERCONNECT=OFF ^
     -G Ninja || exit /b
@@ -18,7 +19,8 @@ cd .. && cd ..
 rem Build
 mkdir build && cd build || exit /b
 cmake .. ^
-    -DCMAKE_BUILD_TYPE=Release ^
+    -DCMAKE_CXX_FLAGS="--coverage" ^
+    -DCMAKE_BUILD_TYPE=Debug ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
     -DCMAKE_PREFIX_PATH="%APPVEYOR_BUILD_FOLDER%/SDL;%APPVEYOR_BUILD_FOLDER%/openal" ^
     -DWITH_AUDIO=ON ^
@@ -45,3 +47,8 @@ cmake --build . --target install || exit /b
 
 rem Test
 ctest -V -E GLTest || exit /b
+
+rem Coverage upload
+set PATH=C:\msys64\usr\bin;%PATH%
+bash %APPVEYOR_BUILD_FOLDER%\package\ci\appveyor-lcov.sh || exit /b
+codecov -f coverage.info -X gcov

package/ci/appveyor-lcov.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -ev
+
+pacman -Sy --noconfirm mingw-w64-x86_64-perl
+
+# mingw lcov package is empty, so download and use it manually
+# https://github.com/appveyor/ci/issues/1628
+wget https://github.com/linux-test-project/lcov/archive/v1.13.tar.gz
+tar -xzf v1.13.tar.gz
+
+# Keep in sync with PKBUILD-coverage, please
+lcov-1.13/bin/lcov --gcov-tool /c/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/gcov --directory . --capture --output-file coverage.info > /dev/null
+lcov-1.13/bin/lcov --gcov-tool /c/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/gcov --extract coverage.info "*/src/Magnum*/*" --output-file coverage.info > /dev/null
+lcov-1.13/bin/lcov --gcov-tool /c/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/gcov --remove coverage.info "*/src/MagnumExternal/*" --output-file coverage.info > /dev/null
+lcov-1.13/bin/lcov --gcov-tool /c/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/gcov --remove coverage.info "*/Test/*" --output-file coverage.info > /dev/null
+lcov-1.13/bin/lcov --gcov-tool /c/mingw-w64/x86_64-7.2.0-posix-seh-rt_v5-rev1/mingw64/bin/gcov --remove coverage.info "*/build/src/*" --output-file coverage.info > /dev/null

package/ci/appveyor.yml

@@ -59,6 +59,7 @@ notifications:
 install:
 - cinst ninja
 - set PATH=C:/tools/ninja;%PATH%
+- IF "%TARGET%" == "desktop" IF "%COMPILER%" == "mingw" pip install codecov
 
 # OpenAL
 - IF NOT "%TARGET%" == "rt" IF NOT EXIST %APPVEYOR_BUILD_FOLDER%\openal-soft-1.17.2-bin.zip appveyor DownloadFile http://kcat.strangesoft.net/openal-binaries/openal-soft-1.17.2-bin.zip