Revert dep flags

Author: hamphet

libunwind/CMakeLists.txt

@@ -233,10 +233,10 @@ set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 add_compile_flags_if_supported(-funwind-tables)
 set(CMAKE_TRY_COMPILE_TARGET_TYPE ${_previous_CMAKE_TRY_COMPILE_TARGET_TYPE})
 
-# if (LIBUNWIND_USES_ARM_EHABI AND NOT CXX_SUPPORTS_FUNWIND_TABLES_FLAG)
-#   message(SEND_ERROR "The -funwind-tables flag must be supported "
-#                      "because this target uses ARM Exception Handling ABI")
-# endif()
+if (LIBUNWIND_USES_ARM_EHABI AND NOT CXX_SUPPORTS_FUNWIND_TABLES_FLAG)
+  message(SEND_ERROR "The -funwind-tables flag must be supported "
+                     "because this target uses ARM Exception Handling ABI")
+endif()
 
 add_cxx_compile_flags_if_supported(-fno-exceptions)
 add_cxx_compile_flags_if_supported(-fno-rtti)

libunwind/src/CMakeLists.txt

@@ -96,14 +96,14 @@ add_link_flags_if(CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG --unwindlib=none)
 # MINGW_LIBRARIES is defined in config-ix.cmake
 add_library_flags_if(MINGW "${MINGW_LIBRARIES}")
 
-# if (LIBUNWIND_ENABLE_SHARED AND
-#     NOT (CXX_SUPPORTS_FNO_EXCEPTIONS_FLAG AND
-#          CXX_SUPPORTS_FUNWIND_TABLES_FLAG))
-#   message(FATAL_ERROR
-#           "Compiler doesn't support generation of unwind tables if exception "
-#           "support is disabled.  Building libunwind DSO with runtime dependency "
-#           "on C++ ABI library is not supported.")
-# endif()
+if (LIBUNWIND_ENABLE_SHARED AND
+    NOT (CXX_SUPPORTS_FNO_EXCEPTIONS_FLAG AND
+         CXX_SUPPORTS_FUNWIND_TABLES_FLAG))
+  message(FATAL_ERROR
+          "Compiler doesn't support generation of unwind tables if exception "
+          "support is disabled.  Building libunwind DSO with runtime dependency "
+          "on C++ ABI library is not supported.")
+endif()
 
 if (APPLE)
   add_compile_flags("-U__STRICT_ANSI__")