From f856e9865c82135074efd26270861b40e3578e7f Mon Sep 17 00:00:00 2001
From: Benitoite <kd6kxr@gmail.com>
Date: Sun, 9 Feb 2020 04:47:13 -0800
Subject: [PATCH] CMakeLists.txt: download submodules if needed

Download git submodules if the CMakeLists.txt files for the configparser or cppgtfs directories are not present.
---
 CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fbaf775..86c68e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,14 @@ else()
 	set(VERSION_GIT_FULL "${VERSION_GIT}-${VERSION_GIT_IS_DIRTY}")
 endif()
 
+# Download submodules if needed
+
+if(NOT EXISTS ${CMAKE_SOURCE_DIR}/src/configparser/CMakeLists.txt OR NOT EXISTS ${CMAKE_SOURCE_DIR}/src/cppgtfs/CMakeLists.txt)
+        execute_process(
+                COMMAND git submodule update --init --recursive
+        )
+endif()
+
 add_subdirectory(src)
 
 # tests