chore: update LIBCONTROLLER_VERSION handling from conan to cmake

conanfile.py

@@ -49,6 +49,10 @@ class WebotsControllerConan(ConanFile):
         tc = CMakeToolchain(self)
         # tc.variables["BUILD_SHARED_LIBS"] = bool(self.options.shared)
         tc.variables["WEBOTS_CONTROLLER_NO_PLUGINS"] = bool(self.options.no_plugins)
+        libcontroller_version = str(self.version)
+        if libcontroller_version.startswith("r"):
+            libcontroller_version = f"R{libcontroller_version[1:]}"
+        tc.variables["LIBCONTROLLER_VERSION"] = libcontroller_version
         tc.generate()
 
     def build(self):

src/controller/c/CMakeLists.txt

@@ -154,8 +154,8 @@ target_include_directories(
   PRIVATE ${WEBOTS_STB_DIR} ${CMAKE_CURRENT_SOURCE_DIR}
           ${WEBOTS_CONTROLLER_MSVC_SOURCE_DIR})
 
-target_compile_definitions(webots_controller
-                           PRIVATE LIBCONTROLLER_VERSION="R2025a")
+target_compile_definitions(
+  webots_controller PRIVATE LIBCONTROLLER_VERSION="${LIBCONTROLLER_VERSION}")
 if(WEBOTS_CONTROLLER_NO_PLUGINS)
   target_compile_definitions(webots_controller
                              PUBLIC WEBOTS_CONTROLLER_NO_PLUGINS=1)

test_package/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.21)
+cmake_minimum_required(VERSION 3.23)
 project(test_package C CXX)
 
 find_package(webots-controller REQUIRED CONFIG)