Add version system

WatchfulEye/CMakeLists.txt

@@ -8,3 +8,8 @@ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /entry:mainCRTStartup")
 if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     set_property(TARGET WatchfulEye PROPERTY WIN32_EXECUTABLE FALSE)
 endif()
+
+find_package(Git)
+execute_process(COMMAND ${GIT_EXECUTABLE} describe OUTPUT_VARIABLE APPVERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+configure_file(src/version.h.in version.h)
+target_include_directories(WatchfulEye PUBLIC "${PROJECT_BINARY_DIR}/WatchfulEye")

WatchfulEye/src/main.cpp

@@ -1,8 +1,10 @@
 // Watchful Eye main file
 #include <iostream>
 
+#include "version.h"
+
 int main(int argc, char* argv[]) {
-    std::cout << "Watchful Eye\n";
+    std::cout << "Watchful Eye " APPVERSION "\n";
 
     std::cin.get();
     return EXIT_SUCCESS;

WatchfulEye/src/version.h.in

@@ -0,0 +1,2 @@
+// Version configured header file
+#define APPVERSION "@APPVERSION@"