From 59a90cc650a8323ab37dc1129558fe1f179f720c Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Thu, 1 Jul 2021 15:52:19 +0200
Subject: [PATCH] [cmake] Prefer system tfel before local tfel.

---
 scripts/cmake/Dependencies.cmake | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/cmake/Dependencies.cmake b/scripts/cmake/Dependencies.cmake
index 203cb21c3f5..3fcaecd4cf4 100644
--- a/scripts/cmake/Dependencies.cmake
+++ b/scripts/cmake/Dependencies.cmake
@@ -1,13 +1,14 @@
 include(BuildExternalProject)
 
 if(OGS_USE_MFRONT)
-    if(NOT _MFRONT_TFEL_FOUND)
+    find_program(MFRONT mfront)
+    if(NOT MFRONT)
         BuildExternalProject(
             TFEL GIT_REPOSITORY https://github.com/thelfer/tfel.git GIT_TAG
             rliv-${ogs.minimum_version.tfel-rliv}
         )
+        set(ENV{TFELHOME} ${PROJECT_BINARY_DIR}/external/build_TFEL)
     endif()
-    set(ENV{TFELHOME} ${PROJECT_BINARY_DIR}/external/build_TFEL)
     list(APPEND CMAKE_INSTALL_RPATH $ENV{TFELHOME}/${CMAKE_INSTALL_LIBDIR})
 endif()
 
-- 
GitLab