Add project version printing

Author: rodiazet

test/t8n/CMakeLists.txt

@@ -9,3 +9,9 @@ add_executable(evmone-t8n)
 target_link_libraries(evmone-t8n PRIVATE evmone::statetestutils nlohmann_json::nlohmann_json)
 target_link_libraries(evmone-t8n PRIVATE evmc::evmc evmone)
 target_sources(evmone-t8n PRIVATE t8n.cpp)
+
+# Provide the project version to selected source files.
+set_source_files_properties(
+        t8n.cpp
+        PROPERTIES COMPILE_DEFINITIONS PROJECT_VERSION="${PROJECT_VERSION}"
+)

test/t8n/t8n.cpp

@@ -47,7 +47,7 @@ int main(int argc, const char* argv[])
 
         if (arg == "-v")
         {
-            std::cout << "evmone dev\n";  // FIXME: Return proper version.
+            std::cout << "evmone-t8n " << PROJECT_VERSION << std::endl;
             return 0;
         }
         if (arg == "--state.fork" && ++i < argc)