build: utilize PROJECT_IS_TOP_LEVEL variable

threeal · Jun 19, 2024 · 1b2bf70 · 1b2bf70
1 parent fbd7601
commit 1b2bf70
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.19)
+cmake_minimum_required(VERSION 3.21)
 
 project(
   MyMkdir
@@ -8,13 +8,9 @@ project(
   LANGUAGES NONE
 )
 
-if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-  set(SUBPROJECT TRUE)
-endif()
-
 include(cmake/MkdirRecursive.cmake)
 
-if(NOT SUBPROJECT)
+if(PROJECT_IS_TOP_LEVEL)
   if(BUILD_TESTING)
     enable_testing()
     add_subdirectory(test)