Align version with zenoh-c (eclipse-zenoh#438)

As per eclipse-zenoh/zenoh-c#466, align how we
configure zenoh CMake based projects version.

CMakeLists.txt

@@ -13,7 +13,34 @@
 #
 cmake_minimum_required(VERSION 3.13)
 
-project(zenohpico VERSION 0.11.0.0 LANGUAGES C)
+file(READ ${CMAKE_CURRENT_SOURCE_DIR}/version.txt version)
+
+project(zenohpico VERSION ${version} LANGUAGES C)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+include(helpers)
+
+# Configure header file to define the project version
+set(ZENOH_PICO ${PROJECT_VERSION})
+set(ZENOH_PICO_MAJOR ${PROJECT_VERSION_MAJOR})
+set(ZENOH_PICO_MINOR ${PROJECT_VERSION_MINOR})
+set(ZENOH_PICO_PATCH ${PROJECT_VERSION_PATCH})
+set(ZENOH_PICO_TWEAK ${PROJECT_VERSION_TWEAK})
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/include/zenoh-pico.h.in
+  ${CMAKE_CURRENT_SOURCE_DIR}/include/zenoh-pico.h
+  @ONLY
+)
+set(project_version "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
+if(NOT DEFINED PROJECT_VERSION_TWEAK)
+	set(project_version "${project_version}")
+elseif(PROJECT_VERSION_TWEAK EQUAL 0)
+	set(project_version "${project_version}-dev")
+elseif(PROJECT_VERSION_TWEAK GREATER 1)
+	set(project_version "${project_version}-pre.${PROJECT_VERSION_TWEAK}")
+endif()
+status_print(project_version)
+
 
 include(CMakePackageConfigHelpers)
 include(GNUInstallDirs)