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-rw-r--r--CMakeLists.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca28adf..ba76fa7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,25 @@ set( CMAKE_CXX_STANDARD 17 )
aux_source_directory(./src/ SRC_LIST)
add_executable(${PROJECT_NAME} ${SRC_LIST})
+find_package(Git QUIET)
+if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+# Update submodules as needed
+ option(GIT_SUBMODULE "Check submodules during build" ON)
+ if(GIT_SUBMODULE)
+ message(STATUS "Submodule update")
+ execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ RESULT_VARIABLE GIT_SUBMOD_RESULT)
+ if(NOT GIT_SUBMOD_RESULT EQUAL "0")
+ message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
+ endif()
+ endif()
+endif()
+
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/external/SFML/CMakeLists.txt")
+ message(FATAL_ERROR "The submodules were not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
+endif()
+
add_subdirectory(external/SFML)
target_include_directories(${PROJECT_NAME} PUBLIC external/SFML/include)
target_link_directories(${PROJECT_NAME} PUBLIC external/SFML/lib)