Added VERSION string

Author: yangosoft

examples/shared_memory/src/main.cpp

@@ -1,4 +1,6 @@
 
+#include <cpputils2/cpputils2.hpp>
+
 #ifdef _WIN32
 #include <cpputils2/win/shm/shm.hpp>
 #else
@@ -13,6 +15,7 @@ const std::string file_name("test_shm");
 
 int main(int argc, char **argv)
 {
+  SPDLOG_INFO("cpputils2 version {}", CppUtils2::VERSION);
   SPDLOG_INFO("Test shared memory");
 
   CppUtils2::Shm shm(file_name);

src/CMakeLists.txt

@@ -15,8 +15,11 @@ set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
 # find_package(common REQUIRED)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/cpputils2/cpputils2.hpp.in ${CMAKE_CURRENT_SOURCE_DIR}/include/cpputils2/cpputils2.hpp)
+
 
 set(SOURCES_AND_HEADERS 
+    include/cpputils2/cpputils2.hpp
     include/cpputils2/common/types.hpp
     include/cpputils2/trigger/trigger.hpp
     include/cpputils2/file/file.hpp

src/include/cpputils2/cpputils2.hpp.in

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "cpputils2/common/types.hpp"
+
+#include <cstdint>
+#include <string>
+
+#define CPPUTILS2_VERSION "${CMAKE_PROJECT_VERSION}"
+
+namespace CppUtils2
+{
+    const std::string VERSION{CPPUTILS2_VERSION};
+}