Build examples from CMake rather than executable

.github/workflows/macos.yml

@@ -48,12 +48,14 @@ jobs:
       run: cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local/Cellar/${PACKAGE}/HEAD
     - run: make
       working-directory: build
-    - run: make test
-      working-directory: build
-      env:
-        CTEST_OUTPUT_ON_FAILURE: 1
+    # Run make install before make test so that the package will be available to
+    # build examples as part of the test
     - name: make install
       working-directory: build
       run: |
         make install;
         brew link ${PACKAGE};
+    - run: make test
+      working-directory: build
+      env:
+        CTEST_OUTPUT_ON_FAILURE: 1

CMakeLists.txt

@@ -144,7 +144,6 @@ gz_configure_build(QUIT_IF_BUILD_ERRORS
 #============================================================================
 gz_create_packages()
 
-
 #============================================================================
 # Create documentation
 #============================================================================
@@ -157,3 +156,13 @@ gz_create_docs(
   TAGFILES
     "${GZ-MATH_DOXYGEN_TAGFILE} = ${GZ-MATH_API_URL}"
   )
+
+#============================================================================
+# Build examples
+#============================================================================
+if (BUILD_TESTING)
+  gz_build_examples(
+    SOURCE_DIR ${PROJECT_SOURCE_DIR}/examples
+    BINARY_DIR ${PROJECT_BINARY_DIR}/examples
+  )
+endif()

examples/CMakeLists.txt

@@ -1,4 +1,6 @@
-cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+
+project(gz-common-examples)
 
 # Find the gz-common library
 find_package(gz-common5 QUIET REQUIRED COMPONENTS events profiler)