[libunwind][cmake] Add an option to enable/disable tests

Reviewed By: ldionne, compnerd

Differential Revision: https://reviews.llvm.org/D96342

diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt
index 05131bd..1407000 100644 (file)
--- a/libunwind/CMakeLists.txt
+++ b/libunwind/CMakeLists.txt
@@ -63,6 +63,7 @@ option(LIBUNWIND_ENABLE_THREADS "Build libunwind with threading support." ON)
 option(LIBUNWIND_WEAK_PTHREAD_LIB "Use weak references to refer to pthread functions." OFF)
 option(LIBUNWIND_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
 option(LIBUNWIND_INCLUDE_DOCS "Build the libunwind documentation." ${LLVM_INCLUDE_DOCS})
+option(LIBUNWIND_INCLUDE_TESTS "Build the libunwind tests." ${LLVM_INCLUDE_TESTS})
 option(LIBUNWIND_IS_BAREMETAL "Build libunwind for baremetal targets." OFF)
 option(LIBUNWIND_USE_FRAME_HEADER_CACHE "Cache frame headers for unwinding. Requires locking dl_iterate_phdr." OFF)
 option(LIBUNWIND_REMEMBER_HEAP_ALLOC "Use heap instead of the stack for .cfi_remember_state." OFF)
@@ -344,6 +345,6 @@ if (LIBUNWIND_INCLUDE_DOCS)
   add_subdirectory(docs)
 endif()
 
-if (EXISTS ${LLVM_CMAKE_PATH})
+if (LIBUNWIND_INCLUDE_TESTS AND EXISTS ${LLVM_CMAKE_PATH})
   add_subdirectory(test)
 endif()