cmake: Client examples as individual projects

The client example projects now use Wakaama as a direct dependency. They
have also been split into three different projects (udp, tinydtls and
raw_block1). The CI and integration tests were adjusted for the new
project.

.github/workflows/build.yaml

@@ -38,7 +38,7 @@ jobs:
 
     strategy:
       matrix:
-        example: ["bootstrap_server", "client", "lightclient", "server"]
+        example: ["bootstrap_server", "client/udp", "client/tinydtls", "client/raw_block1", "lightclient", "server"]
 
     steps:
     - name: Checkout code including full history and submodules

.github/workflows/build_and_test.yaml

@@ -41,7 +41,7 @@ jobs:
 
     - name: Build examples for integration tests
       run: |
-        for example in "server" "bootstrap_server"
+        for example in "server" "bootstrap_server" "client/udp"
         do
           echo "Building example ${example}"
           tools/ci/run_ci.sh \

README.md

@@ -198,11 +198,11 @@ Options:
 
 ### Test client example
 
- * ``cmake -S examples/client -B build-client -DWAKAAMA_MODE_CLIENT=ON``
- * ``cmake --build build-client``
+ * ``cmake -S examples/client/udp -B build-client-udp``
+ * ``cmake --build build-client-udp``
  * ``./build-client/lwm2mclient [Options]``
 
-Next to lwm2mclient a DTLS enabled variant named lwm2mclient_tinydtls gets built.
+Next to lwm2mclient there are also examples with DTLS enabled and with raw block1 transfer enabled.
 
 The lwm2mclient features nine LWM2M objects:
  - Security Object (id: 0)

examples/CMakeLists.txt

@@ -2,5 +2,3 @@ cmake_minimum_required(VERSION 3.21)
 
 # Our examples are designed for POSIX systems
 add_compile_definitions(_POSIX_C_SOURCE=200809)
-
-add_subdirectory(client)