From 974e22d5d6f99f12d779ae4ec90719136f48061f Mon Sep 17 00:00:00 2001
From: Enrico Seiler <enrico.seiler@hotmail.de>
Date: Mon, 21 Aug 2023 10:46:01 +0200
Subject: [PATCH] [INFRA] Allow setting the submodule directory

---
 cmake/configuration.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/configuration.cmake b/cmake/configuration.cmake
index df6a9e11..62cef8be 100644
--- a/cmake/configuration.cmake
+++ b/cmake/configuration.cmake
@@ -38,7 +38,11 @@ endmacro ()
 # Add submodules
 # ----------------------------------------------------------------------------
 
-file (GLOB submodules ${HIBF_SOURCE_DIR}/submodules/*/include ${HIBF_SOURCE_DIR}/submodules/simde/simde)
+set (HIBF_SUBMODULES_DIR
+     "${HIBF_SOURCE_DIR}"
+     CACHE STRING "Directory containing submodules.")
+file (GLOB submodules ${HIBF_SUBMODULES_DIR}/submodules/*/include ${HIBF_SUBMODULES_DIR}/submodules/simde/simde
+      ${HIBF_SUBMODULES_DIR}/simde/simde)
 foreach (submodule ${submodules})
     if (IS_DIRECTORY ${submodule})
         hibf_config_print ("  …adding submodule include: ${submodule}")