option (LLVM_BUILD_EXTERNAL_COMPILER_RT
"Build compiler-rt as an external project." OFF)
-option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" OFF)
-option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" OFF)
-option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ON)
+option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
+option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_LINK_LLVM_DYLIB})
+option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" ${LLVM_LINK_LLVM_DYLIB})
+set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT ON)
+if (LLVM_LINK_LLVM_DYLIB)
+ set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT OFF)
+endif()
+option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ${LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT})
if(LLVM_DISABLE_LLVM_DYLIB_ATEXIT)
set(DISABLE_LLVM_DYLIB_ATEXIT 1)
endif()