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[CMake] [MinGW] Enable use of LLVM_USE_SANITIZER in a MinGW environment 

Currently using LLVM_USE_SANITIZER with a MinGW target leads to a fatal
configuration error due to an unsupported platform. MinGW targets on
clang however implement a few sanitizers, currently ASAN and UBSAN.

This patch enables LLVM_USE_SANITIZER in a MinGW environment as well.

Differential Revision: https://reviews.llvm.org/D95750
This commit is contained in:
Markus Böck 2021-02-08 23:04:04 +02:00 committed by Martin Storsjö
parent ec41ed5b1b
commit 99dfcfd14c
1 changed files with 15 additions and 0 deletions
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15
llvm/cmake/modules/HandleLLVMOptions.cmake
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@ -793,6 +793,21 @@ if(LLVM_USE_SANITIZER)
else()
message(FATAL_ERROR "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}")
endif()
elseif(MINGW)
if (LLVM_USE_SANITIZER STREQUAL "Address")
append_common_sanitizer_flags()
append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
elseif (LLVM_USE_SANITIZER STREQUAL "Undefined")
append_common_sanitizer_flags()
append("${LLVM_UBSAN_FLAGS}" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
elseif (LLVM_USE_SANITIZER STREQUAL "Address;Undefined" OR
LLVM_USE_SANITIZER STREQUAL "Undefined;Address")
append_common_sanitizer_flags()
append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append("${LLVM_UBSAN_FLAGS}" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
else()
message(FATAL_ERROR "This sanitizer not yet supported in a MinGW environment: ${LLVM_USE_SANITIZER}")
endif()
elseif(MSVC)
if (LLVM_USE_SANITIZER STREQUAL "Address")
append_common_sanitizer_flags()