# 'use-of-uninitialized-value' warning with '-check all' option of 'ifx'

**URL:** <https://fortran-lang.discourse.group/t/use-of-uninitialized-value-warning-with-check-all-option-of-ifx/6823>\
**Category:** Uncategorized\
**Created:** [November 19, 2023, 8:12am UTC](https://fortran-lang.discourse.group/t/use-of-uninitialized-value-warning-with-check-all-option-of-ifx/6823 "2023-11-19T08:12:45Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Ali](https://yyz2.discourse-cdn.com/free1/user_avatar/fortran-lang.discourse.group/ali/32/751_2.png) [@Ali](https://fortran-lang.discourse.group/u/Ali)\
**Post date:** [November 19, 2023, 5:03pm UTC](https://fortran-lang.discourse.group/t/use-of-uninitialized-value-warning-with-check-all-option-of-ifx/6823/4 "2023-11-19T17:03:33Z")

</div>

> [@Arjen](#):
>
> The output you show looks like a report from valgrind.

Yes, indeed. It seems that ifx makes use of Valgrind.

> [@alirezagh76](#):
>
> it is better to disable “uninit”

Using `-check nouninit` can now be considered.

I hope that this issue will be resolved in the near future because it’s causing problems when using fpm with a debug profile. Perhaps it would be better to include this flag for ifx in the debug profile of fpm at this moment.

---

_[View the full topic](https://fortran-lang.discourse.group/t/use-of-uninitialized-value-warning-with-check-all-option-of-ifx/6823)._