attempt fixing ci

Author: sourcehawk

.github/workflows/test.yml

@@ -17,6 +17,10 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y cmake build-essential libgtest-dev lcov
+          cd /usr/src/googletest
+          sudo cmake .
+          sudo make
+          sudo make install
 
       - name: Configure & build (with coverage)
         run: cmake -S . -B build \
@@ -34,13 +38,7 @@ jobs:
         run: ctest --test-dir build --output-on-failure
 
       - name: Capture coverage
-        run: |
-          cd build
-          # TODO: remove
-          find . -name '*.gcda'
-          lcov -d . -c -o coverage.info
-          # move the report back up so the next steps can find it
-          mv coverage.info ..
+        run: lcov -d build -c -o coverage.info
 
       - name: Filter coverage
         run: lcov -r coverage.info '/usr/*' '*/test/*' -o coverage.filtered.info

CMakeLists.txt

@@ -3,12 +3,10 @@ project(capancdt_proximity_sensor_lib LANGUAGES CXX)
 
 option(ENABLE_COVERAGE "Enable coverage reporting" OFF)
 if(ENABLE_COVERAGE)
-message(STATUS "Building with coverage support")
-# GCC/Clang coverage instrumentation
-set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS}        --coverage -O0 -g")
-set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS}          --coverage -O0 -g")
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
-set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --coverage")
+  message(STATUS "Building with coverage instrumentation")
+  # apply to *all* subsequent targets
+  add_compile_options(--coverage -O0 -g)
+  add_link_options(--coverage)
 endif()
 
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)

README.md

@@ -188,6 +188,15 @@ Install GTest and lcov for testing. On ubuntu you can do this with:
 sudo apt-get install libgtest-dev lcov
 ```
 
+You may need to build GTest:
+
+```bash
+cd /usr/src/googletest
+sudo cmake .
+sudo make
+sudo cp *.a /usr/lib
+```
+
 Build the project:
 
 ```bash