Merge pull request #1639 from tonytheodore/disable-cmake-registry

cmake wrapper: disable package registry

src/mxe-conf.mk

@@ -31,6 +31,7 @@ define $(PKG)_BUILD
      echo 'set(BUILD_SHARED $(CMAKE_SHARED_BOOL) CACHE BOOL "BUILD_SHARED" FORCE)'; \
      echo 'set(BUILD_STATIC $(CMAKE_STATIC_BOOL) CACHE BOOL "BUILD_STATIC" FORCE)'; \
      echo 'set(LIBTYPE $(if $(BUILD_SHARED),SHARED,STATIC))'; \
+     echo 'set(CMAKE_EXPORT_NO_PACKAGE_REGISTRY ON)'; \
      echo 'set(CMAKE_PREFIX_PATH $(PREFIX)/$(TARGET))'; \
      echo 'set(CMAKE_FIND_ROOT_PATH $(PREFIX)/$(TARGET))'; \
      echo 'set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)'; \