Fix boost

Signed-off-by: Juan Cruz Viotti <[email protected]>
sourcemeta · Jan 27, 2025 · fbc14d6 · fbc14d6
1 parent 3bb20e5
commit fbc14d6
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/cmake/FindBoostRegex.cmake b/cmake/FindBoostRegex.cmake
@@ -124,6 +124,12 @@ if(NOT BoostRegex_FOUND)
 
   target_compile_definitions(boost_regex INTERFACE BOOST_REGEX_STANDALONE)
 
+  # Boost Regex doesn't pass the LLVM Undefined Behavior sanitizer otherwise
+  # vendor/boost-regex/include/boost/regex/v5/cpp_regex_traits.hpp:1022:60:
+  # runtime error: implicit conversion from type 'unsigned char' of value 128
+  # (8-bit, unsigned) to type 'char' changed the value to -128 (8-bit, signed)
+  target_compile_options(boost_regex INTERFACE -fno-sanitize=implicit-signed-integer-truncation)
+
   add_library(Boost::regex ALIAS boost_regex)
 
   target_include_directories(boost_regex INTERFACE