From 9d484de82a0c5de6cf9161f626fbe650ca0eb532 Mon Sep 17 00:00:00 2001
From: Bjarne von Horn <vh@igh.de>
Date: Sat, 1 Jan 2022 23:41:23 +0100
Subject: [PATCH 1/2] Fix cmake config module

---
 lib/Makefile.am                                           | 8 ++++----
 lib/{EtherCATConfig.cmake.in => ethercat-config.cmake.in} | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)
 rename lib/{EtherCATConfig.cmake.in => ethercat-config.cmake.in} (90%)

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 4d9879ed..330c1e34 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -75,11 +75,11 @@ libethercat_la_LDFLAGS = -version-info 2:0:1
 
 pkgconfig_DATA = libethercat.pc
 
-cmakedir = $(libdir)/cmake
+cmakedir = $(libdir)/cmake/ethercat
 
-cmake_DATA = EtherCATConfig.cmake
+cmake_DATA = ethercat-config.cmake
 
-EXTRA_DIST = EtherCATConfig.cmake.in
+EXTRA_DIST = ethercat-config.cmake.in
 
 CLEANFILES = $(cmake_DATA)
 
@@ -110,5 +110,5 @@ endif
 
 # we need to replace the variables manually, because autotools does not expand them.
 
-EtherCATConfig.cmake: $(srcdir)/EtherCATConfig.cmake.in Makefile
+ethercat-config.cmake: $(srcdir)/ethercat-config.cmake.in Makefile
 	$(SED) -e 's,%libdir%,$(libdir),' -e 's,%includedir%,$(includedir),' $< > $@
diff --git a/lib/EtherCATConfig.cmake.in b/lib/ethercat-config.cmake.in
similarity index 90%
rename from lib/EtherCATConfig.cmake.in
rename to lib/ethercat-config.cmake.in
index a803ac0c..e516f5a8 100644
--- a/lib/EtherCATConfig.cmake.in
+++ b/lib/ethercat-config.cmake.in
@@ -29,7 +29,7 @@
 
 
 find_library(EtherCAT_LIBRARY
-    NAMES EtherCAT
+    NAMES ethercat
     PATHS %libdir%
 )
 
@@ -40,9 +40,9 @@ find_path(EtherCAT_INCLUDE_DIR
 
 mark_as_advanced(EtherCAT_LIBRARY EtherCAT_INCLUDE_DIR)
 
-if(NOT TARGET EtherLab::EtherCAT)
-    add_library(EtherLab::EtherCAT SHARED IMPORTED)
-    set_target_properties(EtherLab::EtherCAT PROPERTIES
+if(NOT TARGET EtherLab::ethercat)
+    add_library(EtherLab::ethercat SHARED IMPORTED)
+    set_target_properties(EtherLab::ethercat PROPERTIES
         INTERFACE_INCLUDE_DIRECTORIES "${EtherCAT_INCLUDE_DIR}"
         IMPORTED_LOCATION "${EtherCAT_LIBRARY}"
     )

From 7e4aba9a6d8768a665ab96a2e45e3048c04ba196 Mon Sep 17 00:00:00 2001
From: Bjarne von Horn <vh@igh.de>
Date: Tue, 22 Feb 2022 23:28:42 +0100
Subject: [PATCH 2/2] build user example with cmake and test it

---
 .gitignore                   |  3 ++-
 .gitlab-ci.yml               | 13 +++++++++++++
 examples/user/CMakeLists.txt | 10 ++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 examples/user/CMakeLists.txt

diff --git a/.gitignore b/.gitignore
index 3b085f26..914e5e2f 100644
--- a/.gitignore
+++ b/.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
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e271a62e..3386d4e5 100644
--- a/.gitlab-ci.yml
+++ b/.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:
diff --git a/examples/user/CMakeLists.txt b/examples/user/CMakeLists.txt
new file mode 100644
index 00000000..2b112add
--- /dev/null
+++ b/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)