build user example with cmake and test it

.gitignore

@@ -32,7 +32,8 @@ configure
 ethercat.spec
 examples/dc_user/ec_dc_user_example
 examples/user/ec_user_example
-lib/EtherCATConfig.cmake
+examples/user/build/
+lib/*.cmake
 lib/libethercat.la
 lib/libethercat.pc
 libtool

.gitlab-ci.yml

@@ -10,6 +10,19 @@ build:
         - make -j8 all modules
         - make DISTCHECK_CONFIGURE_FLAGS="--with-linux-dir=/usr/src/linux-obj/$(uname -i)/default" distcheck
 
+test cmake:
+    stage: test
+
+    script:
+        - ./bootstrap
+        - ./configure --prefix=/tmp/ethercat_test_dir --disable-kernel
+        - make -j8 install
+        - cd examples/user
+        - mkdir build && cd build
+        - cmake -DCMAKE_PREFIX_PATH=/tmp/ethercat_test_dir -DCMAKE_BUILD_TYPE=Release ..
+        - make
+        - ldd userexample
+
 pages:
     stage: deploy
     rules:

examples/user/CMakeLists.txt

@@ -0,0 +1,10 @@
+project(EtherCatUserExample C)
+cmake_minimum_required(VERSION 3.2)
+
+find_package(EtherCAT REQUIRED)
+
+add_executable(userexample
+    main.c
+)
+
+target_link_libraries(userexample PUBLIC EtherLab::ethercat)