misc(builder): conditionally include add_kernels_install_targets only on windows

Author: mfuntowicz

build2cmake/src/templates/cuda/torch-extension.cmake

@@ -13,8 +13,13 @@ if( NOT MSVC)
     target_link_options({{ ops_name }} PRIVATE -static-libstdc++)
 endif()
 
+{% if platform == 'windows' %}
+# These methods below should be included from preamble.cmake on windows platform.
+
 # Add kernels_install target for huggingface/kernels library layout
 add_kernels_install_target({{ ops_name }} "{{ name }}" "${BUILD_VARIANT_NAME}")
 
 # Add local_install target for local development with get_local_kernel()
 add_local_install_target({{ ops_name }} "{{ name }}" "${BUILD_VARIANT_NAME}")
+
+{% endif %}