Move protection

.github/workflows/ci.yml

@@ -65,6 +65,13 @@ jobs:
           cmake --build . --target tests --config Release
           ctest -C Release --output-on-failure -E "(unit_z_api_alignment_test|build_z_build_static)"
 
+      - name: Build cmake tests with C++ compiler to make sure that C API is C++ compatible
+        shell: bash
+        run: |
+          cd build
+          cmake .. -DZENOHC_LIB_STATIC=TRUE -DCMAKE_BUILD_TYPE=Debug -DZENOHC_BUILD_TESTS_WITH_CXX=TRUE
+          cmake --build . --target tests --config Debug
+
       - name: Run cmake tests with zenoh-c as static library
         shell: bash
         run: |

CMakeLists.txt

@@ -7,7 +7,7 @@ project(
 	VERSION ${version}
 	DESCRIPTION "The C bindings for Zenoh"
 	HOMEPAGE_URL "https://github.com/eclipse-zenoh/zenoh-c"
-	LANGUAGES C
+	LANGUAGES C CXX
 )
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
@@ -30,6 +30,7 @@ declare_cache_var_true_if_vscode(ZENOHC_BUILD_IN_SOURCE_TREE "Do build inside so
 declare_cache_var(ZENOHC_BUILD_WITH_LOGGER_AUTOINIT TRUE BOOL "Enable logger-autoinit zenoh-c feature")
 declare_cache_var(ZENOHC_BUILD_WITH_SHARED_MEMORY FALSE BOOL "Enable shared-memory zenoh-c feature")
 declare_cache_var(ZENOHC_BUILD_WITH_UNSTABLE_API TRUE BOOL "Enable unstable API feature")
+declare_cache_var(ZENOHC_BUILD_TESTS_WITH_CXX FALSE BOOL "Use C++ compiler for building tests to check API's C++ compatibility")
 declare_cache_var(ZENOHC_CUSTOM_TARGET "" STRING "Rust target for cross compilation, 'aarch64-unknown-linux-gnu' for example")
 declare_cache_var(ZENOHC_CARGO_CHANNEL "" STRING "Cargo channel parameter. Should be '+stable', '+nightly' or empty value")
 declare_cache_var(ZENOHC_CARGO_FLAGS "" STRING "Additional cargo flags")