# Missing 'libboost\_date\_time-vc120-mt-s-1\_58.lib' when using asio

**URL:** <https://discourse.libcinder.org/t/missing-libboost-date-time-vc120-mt-s-1-58-lib-when-using-asio/812>\
**Category:** Using Cinder\
**Created:** [August 8, 2017, 5:13pm UTC](https://discourse.libcinder.org/t/missing-libboost-date-time-vc120-mt-s-1-58-lib-when-using-asio/812 "2017-08-08T17:13:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Craigson](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.libcinder.org/craigson/32/43_2.png) [@Craigson](https://discourse.libcinder.org/u/Craigson)\
**Post date:** [August 8, 2017, 5:13pm UTC](https://discourse.libcinder.org/t/missing-libboost-date-time-vc120-mt-s-1-58-lib-when-using-asio/812/1 "2017-08-08T17:13:40Z")

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Hi All,

I’m trying to implement a threadpool using ASIO. I know Cinder is moving away from dependencies on boost, but I’m getting a linker error that libboost\_date\_time-vc120-mt-s-1\_58.lib when including \<asio/asio.hpp\>

Any thoughts?

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**Author:** ![ryanbartley](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.libcinder.org/ryanbartley/32/5_2.png) [@ryanbartley](https://discourse.libcinder.org/u/ryanbartley)\
**Post date:** [August 8, 2017, 5:39pm UTC](https://discourse.libcinder.org/t/missing-libboost-date-time-vc120-mt-s-1-58-lib-when-using-asio/812/2 "2017-08-08T17:39:22Z")

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Put #define ASIO\_STANDALONE before the include.

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**Author:** ![Craigson](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.libcinder.org/craigson/32/43_2.png) [@Craigson](https://discourse.libcinder.org/u/Craigson)\
**Post date:** [August 8, 2017, 6:00pm UTC](https://discourse.libcinder.org/t/missing-libboost-date-time-vc120-mt-s-1-58-lib-when-using-asio/812/3 "2017-08-08T18:00:32Z")

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That fixed it! Thanks @ryanbartley