From bed14e60c2e0e72306a691571918d930612afa75 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Wed, 20 Jan 2021 23:36:13 +0300
Subject: [PATCH] mdbx-cmake: add `-fsanitize-undefined-trap-on-error` to
 compile flags and `ENABLE_UBSAN` to `config.h`.

Change-Id: Ic18c0d59ccf32f9783a44de456893fbc8a0a7d32
---
 cmake/compiler.cmake | 2 +-
 src/config.h.in      | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/compiler.cmake b/cmake/compiler.cmake
index 4fc94fe3..22324a64 100644
--- a/cmake/compiler.cmake
+++ b/cmake/compiler.cmake
@@ -653,7 +653,7 @@ macro(setup_compile_flags)
   endif()
 
   if(ENABLE_UBSAN)
-    add_compile_flags("C;CXX" "-fsanitize=undefined")
+    add_compile_flags("C;CXX" "-fsanitize=undefined" "-fsanitize-undefined-trap-on-error")
   endif()
 
   if(ENABLE_GCOV)
diff --git a/src/config.h.in b/src/config.h.in
index 4fdddfd9..bb3eea07 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -9,6 +9,7 @@
 #cmakedefine ENABLE_GPROF
 #cmakedefine ENABLE_GCOV
 #cmakedefine ENABLE_ASAN
+#cmakedefine ENABLE_UBSAN
 #cmakedefine MDBX_FORCE_ASSERTIONS
 
 /* Common */