diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index b50100f4d63ad..d5c924ca1a2c8 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -13,7 +13,7 @@ include(CheckCXXCompilerFlag) include(CheckSymbolExists) include(CMakeDependentOption) -if(CMAKE_LINKER MATCHES "lld-link" OR (WIN32 AND LLVM_USE_LINKER STREQUAL "lld") OR LLVM_ENABLE_LLD) +if(CMAKE_LINKER MATCHES "lld-link" OR (MSVC AND (LLVM_USE_LINKER STREQUAL "lld" OR LLVM_ENABLE_LLD))) set(LINKER_IS_LLD_LINK TRUE) else() set(LINKER_IS_LLD_LINK FALSE) @@ -941,7 +941,7 @@ if (LLVM_BUILD_INSTRUMENTED AND LLVM_BUILD_INSTRUMENTED_COVERAGE) message(FATAL_ERROR "LLVM_BUILD_INSTRUMENTED and LLVM_BUILD_INSTRUMENTED_COVERAGE cannot both be specified") endif() -if(LLVM_ENABLE_LTO AND LLVM_ON_WIN32 AND NOT LINKER_IS_LLD_LINK) +if(LLVM_ENABLE_LTO AND LLVM_ON_WIN32 AND NOT LINKER_IS_LLD_LINK AND NOT MINGW) message(FATAL_ERROR "When compiling for Windows, LLVM_ENABLE_LTO requires using lld as the linker (point CMAKE_LINKER at lld-link.exe)") endif() if(uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") @@ -956,7 +956,7 @@ if(uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") if(APPLE) append("-Wl,-cache_path_lto,${PROJECT_BINARY_DIR}/lto.cache" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) - elseif(UNIX AND LLVM_USE_LINKER STREQUAL "lld") + elseif((UNIX OR MINGW) AND LLVM_USE_LINKER STREQUAL "lld") append("-Wl,--thinlto-cache-dir=${PROJECT_BINARY_DIR}/lto.cache" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) elseif(LLVM_USE_LINKER STREQUAL "gold")