# Incremental build bug? Changing project option default isn't registering on incremental builds.

**URL:** https://discourse.cmake.org/t/incremental-build-bug-changing-project-option-default-isnt-registering-on-incremental-builds/695
**Category:** Usage
**Tags:** os:linux, os:windows
**Created:** [February 24, 2020, 7:44pm UTC](https://discourse.cmake.org/t/incremental-build-bug-changing-project-option-default-isnt-registering-on-incremental-builds/695 "2020-02-24T19:44:37Z")
**Posts on this page:** 2
**Page:** 2

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### Author: ![ben.boeckel](https://discourse.cmake.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.cmake.org/u/ben.boeckel)
#### Post date: [March 30, 2020, 11:26am UTC](https://discourse.cmake.org/t/incremental-build-bug-changing-project-option-default-isnt-registering-on-incremental-builds/695/21 "2020-03-30T11:26:40Z")

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It would need more discussion than my gut feeling that it is not sufficient. There will be considerable work to do on the UI programs as well to convey what’s going on here. Please open an issue with the proposal (I suspect properties will be how it is actually implemented, so my code is still relevant, but there may be sugar for it).

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### Author: ![YMba9g8j9CJp0wLoQf5y](https://discourse.cmake.org/user_avatar/discourse.cmake.org/ymba9g8j9cjp0wloqf5y/32/1244_2.png) [@YMba9g8j9CJp0wLoQf5y](https://discourse.cmake.org/u/YMba9g8j9CJp0wLoQf5y)
#### Post date: [April 12, 2020, 5:07am UTC](https://discourse.cmake.org/t/incremental-build-bug-changing-project-option-default-isnt-registering-on-incremental-builds/695/22 "2020-04-12T05:07:59Z")

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Here is a link to the issue:

[https://gitlab.kitware.com/cmake/cmake/-/issues/20569](https://gitlab.kitware.com/cmake/cmake/-/issues/20569)

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