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-rw-r--r--CMakeLists.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 256d74c4e..5b1591e8a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -205,6 +205,12 @@ elseif(MSVC)
llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Z[i7I]" "/Z7")
endif()
+if(LLVM_ENABLE_MODULES)
+ # Sanitizers cannot be built with -fmodules. The interceptors intentionally
+ # don't include system headers, which is incompatible with modules.
+ list(APPEND SANITIZER_COMMON_CFLAGS -fno-modules)
+endif()
+
# Turn off several warnings.
append_list_if(COMPILER_RT_HAS_WGNU_FLAG -Wno-gnu SANITIZER_COMMON_CFLAGS)
append_list_if(COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG -Wno-variadic-macros SANITIZER_COMMON_CFLAGS)