From 39113c12046b7ed39e96e2146d87b024f604f1ca Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Tue, 7 Nov 2023 10:49:28 +0100
Subject: [PATCH] [cmake] Enable address and undef. beh. sanitizer for tfel.

---
 scripts/cmake/DependenciesExternalProject.cmake | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/scripts/cmake/DependenciesExternalProject.cmake b/scripts/cmake/DependenciesExternalProject.cmake
index df4942d2676..bdae2ce746d 100644
--- a/scripts/cmake/DependenciesExternalProject.cmake
+++ b/scripts/cmake/DependenciesExternalProject.cmake
@@ -80,6 +80,22 @@ if(OGS_USE_MFRONT)
                     "TFEL Python bindings disabled as Boosts Python library was not found."
             )
         endif()
+
+        if(ENABLE_ASAN)
+            list(APPEND _sanitize_flags -fsanitize=address)
+        endif()
+        if(ENABLE_UBSAN)
+            list(APPEND _sanitize_flags -fsanitize=undefined)
+        endif()
+        if(DEFINED _sanitize_flags)
+            list(JOIN _sanitize_flags " " _sanitize_flags_string)
+            foreach(var CXX EXE_LINKER SHARED_LINKER MODULE_LINKER)
+                list(APPEND _tfel_cmake_args
+                     "-DCMAKE_${var}_FLAGS_INIT=${_sanitize_flags_string}"
+                )
+            endforeach()
+        endif()
+
         BuildExternalProject(
             TFEL ${_tfel_source}
             CMAKE_ARGS "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"