From 1410df2e180fb32193f9d937d8fc77c855409797 Mon Sep 17 00:00:00 2001
From: Alfi Maulana <alfi.maulana.f@gmail.com>
Date: Sun, 8 Jan 2023 11:47:14 +0700
Subject: [PATCH] add option in test configuration to output `hello_world.txt`

---
 test/CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 71bf957..135aa7f 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,3 +1,13 @@
 cmake_minimum_required(VERSION 3.0)
 project(test)
+
+option(BUILD_TXT "build hello world txt file" OFF)
+
 add_executable(hello_world hello_world.cpp)
+
+if(BUILD_TXT)
+  add_custom_target(
+    hello_world_txt ALL
+    COMMAND echo "Hello world!" >> ${CMAKE_CURRENT_BINARY_DIR}/hello_world.txt
+  )
+endif()