Unbound is now a submodule. Adapt depends for this.

Fix builds for native linux and windows

The architecture flag was set incorrectly.
It needs to be set only when compiling arm6.

CMakeLists.txt

@@ -487,7 +487,7 @@ if(MSVC)
   include_directories(SYSTEM src/platform/msc)
 else()
   include(TestCXXAcceptsFlag)
-  if (NOT DEPENDS)
+  if (NOT ARM6)
     set(ARCH native CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
   endif()
   message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")

contrib/depends/toolchain.cmake.in

@@ -65,8 +65,6 @@ else()
   SET(CMAKE_CXX_COMPILER @CXX@)
 endif()
 
-set(ARCH @arch@)
-
 if(ARCH STREQUAL "arm")
   set(ARCH "armv6zk")
   set(ARMID "armv6zk")